Re: 答复: 答复: 答复: 答复: How to build openjdk mobile project android platform successfully and how does the mobile project adapt to bionic C ?

[Magnus Ihse Bursie]

On 2018-08-30 02:38, zhangfan (AZ) wrote:
> Hi,
>
> I use parameters as the guide indicates:
>
> $HOME/jdk9mobile/android-ndk-r10b/build/tools/make-standalone-toolchain.sh \
> --arch=arm \
> --platform=android-19 \
> --install-dir=$HOME/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain
>
>
> And there's no ucontext.h in the sysroot (/home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/sysroot).

So that's the reason it does not compile. I don't have any deep 
knowledge about the android toolchain, but my guess is that either your 
toolchain installation is broken, or you are using a too old toolchain.

Can you try using the same toolchain as Gary, which apparently has a 
ucontext.h?

/Magnus

>
>
>
>
> -----邮件原件-----
> 发件人: Gary Adams [mailto:gary.adams at oracle.com]
> 发送时间: 2018年8月29日 19:53
> 收件人: Magnus Ihse Bursie <magnus.ihse.bursie at oracle.com>; zhangfan (AZ) <zhangfan147 at huawei.com>
> 抄送: Johan Vos <johan.vos at gluonhq.com>; yuanxiang (F) <yuanxiang4 at huawei.com>; xieshengzhen <xieshengzhen at huawei.com>; xietuo <xietuo at huawei.com>; dingbin (C) <dingbin5 at huawei.com>; mobile-dev at openjdk.java.net
> 主题: Re: 答复: 答复: 答复: How to build openjdk mobile project android platform successfully and how does the mobile project adapt to bionic C ?
>
> When you generated the stand alone android toolchain what parameter did
> you give for "--api".
> I see from my local scripts we were using "--api 19" for 32 bit platforms.
> e.g.  android-ndk-13b/platforms/android-19/arch-x86/usr/include/ucontext.h
>
>
> On 8/29/18, 7:37 AM, Magnus Ihse Bursie wrote:
>> Is there indeed an ucontext.h in the sysroot
>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/sysroot?
>>
>> /Magnus
>>
>> On 2018-08-28 11:15, zhangfan (AZ) wrote:
>>> Hi,
>>>
>>> configure.log
>>> #####################################################################################################
>>>
>>> configure: Configuration created at Tue Aug 28 15:44:23 CST 2018.
>>> configure: configure script generated at timestamp 1498218636.
>>> checking for basename... /usr/bin/basename
>>> checking for bash... /bin/bash
>>> checking for cat... /bin/cat
>>> checking for chmod... /bin/chmod
>>> checking for cmp... /usr/bin/cmp
>>> checking for comm... /usr/bin/comm
>>> checking for cp... /bin/cp
>>> checking for cut... /usr/bin/cut
>>> checking for date... /bin/date
>>> checking for gdiff... no
>>> checking for diff... /usr/bin/diff
>>> checking for dirname... /usr/bin/dirname
>>> checking for echo... /bin/echo
>>> checking for expr... /usr/bin/expr
>>> checking for file... /usr/bin/file
>>> checking for find... /usr/bin/find
>>> checking for head... /usr/bin/head
>>> checking for gunzip... /bin/gunzip
>>> checking for pigz... /usr/bin/pigz
>>> checking for ln... /bin/ln
>>> checking for ls... /bin/ls
>>> checking for mkdir... /bin/mkdir
>>> checking for mktemp... /bin/mktemp
>>> checking for mv... /bin/mv
>>> checking for nawk... /usr/bin/nawk
>>> checking for printf... /usr/bin/printf
>>> checking for rm... /bin/rm
>>> checking for rmdir... /bin/rmdir
>>> checking for sh... /bin/sh
>>> checking for sort... /usr/bin/sort
>>> checking for tail... /usr/bin/tail
>>> checking for gtar... no
>>> checking for tar... /bin/tar
>>> checking for tee... /usr/bin/tee
>>> checking for touch... /bin/touch
>>> checking for tr... /usr/bin/tr
>>> checking for uname... /bin/uname
>>> checking for uniq... /usr/bin/uniq
>>> checking for wc... /usr/bin/wc
>>> checking for which... /bin/which
>>> checking for xargs... /usr/bin/xargs
>>> checking for gawk... gawk
>>> checking for grep that handles long lines and -e... /bin/grep
>>> checking for egrep... /bin/grep -E
>>> checking for fgrep... /bin/grep -F
>>> checking for a sed that does not truncate output... /bin/sed
>>> checking for cygpath... no
>>> checking for greadlink... no
>>> checking for readlink... /bin/readlink
>>> checking for df... /bin/df
>>> checking for cpio... /bin/cpio
>>> checking for nice... /usr/bin/nice
>>> checking for pandoc... no
>>> checking build system type... x86_64-unknown-linux-gnu
>>> checking host system type... arm-linux-androideabi
>>> checking target system type... arm-linux-androideabi
>>> checking openjdk-build os-cpu... linux-x86_64
>>> checking openjdk-target os-cpu... android-arm
>>> checking compilation type... cross
>>> checking for top-level directory...
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9
>>> checking if custom source is suppressed (openjdk-only)... no
>>> checking which variant of the JDK to build... normal
>>> checking which debug level to use... release
>>> checking which variants of the JVM to build... zero
>>> checking for devkit... Android ARM in
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain
>>> checking for sysroot...
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/sysroot
>>> checking for toolchain path...
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin
>>> checking for extra path...
>>> checking where to store configuration... in default location
>>> checking what configuration name to use...
>>> android-arm-normal-zero-release
>>> checking for apt-get... apt-get
>>> checking for gmake... no
>>> checking for make... /usr/bin/make
>>> configure: Testing potential make at /usr/bin/make, found using make
>>> in PATH
>>> configure: Using GNU make at /usr/bin/make (version: GNU Make 4.1)
>>> checking if make --output-sync is supported... yes
>>> checking for output-sync value... none
>>> checking if find supports -delete... yes
>>> checking what type of tar was found... gnu
>>> checking that grep (/bin/grep) -Fx handles empty lines in the pattern
>>> list correctly... yes
>>> checking for unzip... /usr/bin/unzip
>>> checking for zip... /usr/bin/zip
>>> checking for ldd... /usr/bin/ldd
>>> checking for otool... no
>>> checking for greadelf... no
>>> checking for readelf... /usr/bin/readelf
>>> checking for dot... /usr/bin/dot
>>> checking for hg... /usr/bin/hg
>>> checking for stat... /usr/bin/stat
>>> checking for time... /usr/bin/time
>>> checking for dtrace... no
>>> checking for gpatch... no
>>> checking for patch... /usr/bin/patch
>>> checking bash version... 4.3.48
>>> checking if bash supports pipefail... yes
>>> checking if bash supports errexit (-e)... yes
>>> checking for arm-linux-androideabi-pkg-config... no
>>> checking for pkg-config... /usr/bin/pkg-config
>>> configure: WARNING: using cross tools not prefixed with host triplet
>>> checking pkg-config is at least version 0.9.0... yes
>>> checking headless only... yes
>>> checking for graphviz dot... yes
>>> checking for pandoc... no, cannot generate full docs
>>> checking full docs... no, missing dependencies
>>> checking if packaged modules are kept... yes (default)
>>> checking for version string... 9-internal+0-adhoc.zhangfan.mobile-jdk9
>>> configure: Found potential Boot JDK using JAVA_HOME
>>> configure: Potential Boot JDK found at
>>> /home/zhangfan/tools/openjdk-builds/jdk1.8.0_192/bin did not contain
>>> bin/java; ignoring
>>> checking for javac...
>>> /home/zhangfan/tools/openjdk-builds/jdk1.8.0_192/bin/javac
>>> checking for java...
>>> /home/zhangfan/tools/openjdk-builds/jdk1.8.0_192/bin/java
>>> configure: Found potential Boot JDK using java(c) in PATH
>>> checking for Boot JDK...
>>> /home/zhangfan/tools/openjdk-builds/jdk1.8.0_192
>>> checking Boot JDK version... java version "1.8.0_192-ea" Java(TM) SE
>>> Runtime Environment (build 1.8.0_192-ea-b04) Java HotSpot(TM) 64-Bit
>>> Server VM (build 25.192-b04, mixed mode)
>>> checking for java in Boot JDK... ok
>>> checking for javac in Boot JDK... ok
>>> checking for javah in Boot JDK... ok
>>> checking for jar in Boot JDK... ok
>>> checking for jarsigner in Boot JDK... ok
>>> checking if Boot JDK supports modules... no
>>> checking if Boot JDK is 32 or 64 bits... 64
>>> checking for Build JDK... yes, will build it for the host platform
>>> configure: Using default toolchain gcc (GNU Compiler Collection)
>>> checking for arm-linux-androideabi-gcc... no
>>> checking for gcc...
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin/gcc
>>> checking resolved symbolic links for CC...
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/bin/arm-linux-androideabi-gcc
>>> configure: Using gcc C compiler version 4.6 [gcc (GCC) 4.6 20120106
>>> (prerelease)]
>>> checking for
>>> arm-linux-androideabi-/home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin/gcc...
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin/gcc
>>>
>>> checking whether the C compiler works... yes
>>> checking for C compiler default output file name... a.out
>>> checking for suffix of executables...
>>> checking whether we are cross compiling... yes
>>> checking for suffix of object files... o
>>> checking whether we are using the GNU C compiler... yes
>>> checking whether
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin/gcc
>>> accepts -g... yes
>>> checking for
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin/gcc
>>> option to accept ISO C89... none needed
>>> checking for arm-linux-androideabi-g++... no
>>> checking for g++...
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin/g++
>>> checking resolved symbolic links for CXX...
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/bin/arm-linux-androideabi-g++
>>> configure: Using gcc C++ compiler version 4.6 [g++ (GCC) 4.6 20120106
>>> (prerelease)]
>>> checking whether we are using the GNU C++ compiler... yes
>>> checking whether
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin/g++
>>> accepts -g... yes
>>> checking how to run the C preprocessor...
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin/gcc
>>> -E
>>> checking how to run the C++ preprocessor...
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin/g++
>>> -E
>>> checking for arm-linux-androideabi-ar... arm-linux-androideabi-ar
>>> configure: Rewriting AR to
>>> "/home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/bin/arm-linux-androideabi-ar"
>>> checking for arm-linux-androideabi-strip... arm-linux-androideabi-strip
>>> configure: Rewriting STRIP to
>>> "/home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/bin/arm-linux-androideabi-strip"
>>> checking for arm-linux-androideabi-nm... arm-linux-androideabi-nm
>>> configure: Rewriting NM to
>>> "/home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/bin/arm-linux-androideabi-nm"
>>> checking for arm-linux-androideabi-gobjcopy... no
>>> checking for arm-linux-androideabi-objcopy...
>>> arm-linux-androideabi-objcopy
>>> configure: Rewriting OBJCOPY to
>>> "/home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/bin/arm-linux-androideabi-objcopy"
>>> checking for arm-linux-androideabi-gobjdump... no
>>> checking for arm-linux-androideabi-objdump...
>>> arm-linux-androideabi-objdump
>>> configure: Rewriting OBJDUMP to
>>> "/home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/bin/arm-linux-androideabi-objdump"
>>> checking for cl... no
>>> checking for cc... /usr/bin/cc
>>> checking for cl... no
>>> checking for CC... no
>>> checking for g++... /usr/bin/g++
>>> checking for nm... /usr/bin/nm
>>> checking for ar... /usr/bin/ar
>>> checking for objcopy... /usr/bin/objcopy
>>> checking for strip... /usr/bin/strip
>>> configure: Using gcc BuildC compiler version 5.4.0 [cc (Ubuntu
>>> 5.4.0-6ubuntu1~16.04.5) 5.4.0 20160609]
>>> configure: Using gcc BuildC++ compiler version 5.4.0 [g++ (Ubuntu
>>> 5.4.0-6ubuntu1~16.04.5) 5.4.0 20160609]
>>> checking if the C compiler supports "-Og"... no
>>> checking if the C++ compiler supports "-Og"... no
>>> checking if both compilers support "-Og"... no
>>> checking if linker supports "-Wl,-z,relro"... yes
>>> checking if linker supports "-Wl,-z,now"... yes
>>> checking for jtreg... no
>>> checking for jtreg test harness... no, not found
>>> checking if @file is supported by gcc... yes
>>> checking for ANSI C header files... yes
>>> checking for sys/types.h... yes
>>> checking for sys/stat.h... yes
>>> checking for stdlib.h... yes
>>> checking for string.h... yes
>>> checking for memory.h... yes
>>> checking for strings.h... yes
>>> checking for inttypes.h... yes
>>> checking for stdint.h... yes
>>> checking for unistd.h... yes
>>> checking stdio.h usability... yes
>>> checking stdio.h presence... yes
>>> checking for stdio.h... yes
>>> checking size of int *... 4
>>> checking for target address size... 32 bits
>>> checking whether byte ordering is bigendian... no
>>> checking if the C++ compiler supports "-std=gnu++98 -Werror"... yes
>>> checking if the C++ compiler supports "-std=gnu++98 -Werror"... yes
>>> checking if the C compiler supports "-m32"... no
>>> checking if the C++ compiler supports "-m32"... no
>>> checking if both compilers support "-m32"... no
>>> checking if native warnings are errors... no
>>> checking if the C compiler supports
>>> "-Wno-this-is-a-warning-that-do-not-exist"... yes
>>> checking if the C++ compiler supports
>>> "-Wno-this-is-a-warning-that-do-not-exist"... yes
>>> checking if both compilers support
>>> "-Wno-this-is-a-warning-that-do-not-exist"... yes
>>> checking if the C compiler supports
>>> "-Wno-this-is-a-warning-that-do-not-exist"... no
>>> checking if the C++ compiler supports
>>> "-Wno-this-is-a-warning-that-do-not-exist"... no
>>> checking if both compilers support
>>> "-Wno-this-is-a-warning-that-do-not-exist"... no
>>> checking what type of native debug symbols to use... zipped
>>> checking for dtrace tool... not found, cannot build dtrace
>>> checking sys/sdt.h usability... no
>>> checking sys/sdt.h presence... no
>>> checking for sys/sdt.h... no
>>> checking if dtrace should be built... no, missing dependencies
>>> checking if Hotspot gtest unit tests should be built... yes
>>> checking if static link of stdc++ is possible... yes
>>> checking how to link with libstdc++... static
>>> checking for cups headers... yes
>>> configure: Found freetype include files at
>>> /home/zhangfan/code/dev/jdk9mobile/freetype-2.6.2/build_android-arm/include/freetype2
>>> using --with-freetype
>>> checking for freetype includes...
>>> /home/zhangfan/code/dev/jdk9mobile/freetype-2.6.2/build_android-arm/include/freetype2
>>> checking for freetype libraries...
>>> /home/zhangfan/code/dev/jdk9mobile/freetype-2.6.2/build_android-arm/lib
>>> checking if we can compile and link with freetype... yes
>>> checking if we should bundle freetype... yes
>>> checking if libffi works... yes
>>> checking if libffi should be bundled... no
>>> checking for which libjpeg to use... bundled
>>> checking for which giflib to use... bundled
>>> checking for which libpng to use... bundled
>>> checking for compress in -lz... yes
>>> checking for which zlib to use... system
>>> checking for which lcms to use... bundled
>>> checking for cos in -lm... yes
>>> checking for dlopen in -ldl... yes
>>> checking if jdk.internal.vm.compiler should be built... no
>>> checking if aot should be enabled... no
>>> checking if elliptic curve crypto implementation is present... yes
>>> checking if jtreg failure handler should be built... no, missing jtreg
>>> checking if the CDS classlist generation should be enabled... no
>>> checking for number of cores... 144
>>> checking for memory size... 515824 MB
>>> checking for appropriate number of jobs to run in parallel... 144
>>> checking flags for boot jdk java command ...  -Duser.language=en
>>> -Duser.country=US
>>> checking flags for boot jdk java command for big workloads...
>>> -Xms64M -Xmx1600M -XX:ThreadStackSize=1536
>>> checking flags for bootcycle boot jdk java command for big
>>> workloads... -Xms64M -Xmx1024M -XX:ThreadStackSize=768
>>> checking flags for boot jdk java command for small workloads...
>>> -XX:+UseSerialGC -Xms32M -Xmx512M -XX:TieredStopAtLevel=1
>>> checking whether to use sjavac... no
>>> checking whether to use javac server... yes
>>> checking If precompiled header is enabled... yes
>>> checking that precompiled headers work... yes
>>> checking is ccache enabled... no
>>> checking if build directory is on local disk... yes
>>> checking JVM features for JVM variant 'zero'... all-gcs cds fprof
>>> jni-check jvmti management nmt services vm-structs zero
>>> configure: creating
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/configure-support/config.status
>>> config.status: creating
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/spec.gmk
>>> config.status: creating
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/bootcycle-spec.gmk
>>> config.status: creating
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/buildjdk-spec.gmk
>>> config.status: creating
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/compare.sh
>>> config.status: creating
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/Makefile
>>>
>>> ====================================================
>>> A new configuration has been successfully created in
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release
>>>
>>> using configure arguments '--enable-option-checking=fatal
>>> --build=x86_64-unknown-linux-gnu --host=arm-linux-androideabi
>>> --target=arm-linux-androideabi --disable-warnings-as-errors
>>> --enable-headless-only --with-jdk-variant=normal
>>> --with-jvm-variants=zero
>>> --with-libffi-include=/home/zhangfan/code/dev/jdk9mobile/libffi-3.2.1/build_android-arm/include
>>> --with-libffi-lib=/home/zhangfan/code/dev/jdk9mobile/libffi-3.2.1/build_android-arm/lib
>>> --with-cups-include=/home/zhangfan/code/dev/jdk9mobile
>>> --with-devkit=/home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain
>>> --with-debug-level=release
>>> --with-freetype-lib=/home/zhangfan/code/dev/jdk9mobile/freetype-2.6.2/build_android-arm/lib
>>> --with-freetype-include=/home/zhangfan/code/dev/jdk9mobile/freetype-2.6.2/build_android-arm/include/freetype2'.
>>>
>>>
>>> Configuration summary:
>>> * Debug level:    release
>>> * HS debug level: product
>>> * JDK variant:    normal
>>> * JVM variants:   zero
>>> * OpenJDK target: OS: android, CPU architecture: arm, address length: 32
>>> * Version string: 9-internal+0-adhoc.zhangfan.mobile-jdk9 (9-internal)
>>>
>>> Tools summary:
>>> * Boot JDK:       java version "1.8.0_192-ea" Java(TM) SE Runtime
>>> Environment (build 1.8.0_192-ea-b04) Java HotSpot(TM) 64-Bit Server
>>> VM (build 25.192-b04, mixed mode)  (at
>>> /home/zhangfan/tools/openjdk-builds/jdk1.8.0_192)
>>> * Toolchain:      gcc (GNU Compiler Collection)
>>> * C Compiler:     Version 4.6 (at
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin/gcc)
>>> * C++ Compiler:   Version 4.6 (at
>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolchains/android-arm-toolchain/arm-linux-androideabi/bin/g++)
>>>
>>> Build performance summary:
>>> * Cores to use:   144
>>> * Memory limit:   515824 MB
>>>
>>> The following warnings were produced. Repeated here for convenience:
>>> WARNING: using cross tools not prefixed with host triplet
>>> #####################################################################################################
>>>
>>>
>>>
>>> build.log
>>> #####################################################################################################
>>>
>>> Building target 'jre-image' in configuration
>>> 'android-arm-normal-zero-release'
>>> Compiling 8 files for BUILD_TOOLS_LANGTOOLS
>>> Compiling 2 files for BUILD_JVMTI_TOOLS
>>> Creating support/modules_libs/java.base/libjsig.so from 1 file(s)
>>> Compiling 19 properties into resource bundles for jdk.javadoc
>>> Compiling 7 properties into resource bundles for jdk.jshell
>>> Compiling 12 properties into resource bundles for jdk.jdeps
>>> Parsing 1 properties into enum-like class for jdk.compiler
>>> Compiling 17 properties into resource bundles for jdk.compiler
>>> Compiling 117 files for BUILD_INTERIM_java.compiler
>>> Creating support/modules_libs/java.base/server/libjvm.so from 547
>>> file(s)
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/parallel/asPSYoungGen.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/interpreter/abstractInterpreter.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/cpu/zero/vm/abstractInterpreter_zero.cpp:26:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/shared/ageTable.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/parallel/adjoiningVirtualSpaces.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/shared/allocTracer.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/compiler/abstractCompiler.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/allocation.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/allocation.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/cms/allocationStats.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> make[3]: *** Waiting for unfinished jobs....
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/interpreter/bytecodeHistogram.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/adjoiningVirtualSpaces.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/adjoiningVirtualSpaces.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/basicLock.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/classfile/classLoaderData.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/classfile/moduleEntry.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/classfile/vmSymbols.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp:26:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/shared/blockOffsetTable.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/interpreter/bytecode.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/serial/cSpaceCounters.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/allocTracer.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/allocTracer.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/classfile/bytecodeAssembler.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/asPSYoungGen.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/asPSYoungGen.o'
>>> failed
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/binaryTreeDictionary.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/interpreter/bytecodes.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/abstractCompiler.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/abstractCompiler.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/abstractInterpreter_zero.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/abstractInterpreter_zero.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/advancedThresholdPolicy.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/advancedThresholdPolicy.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/basicLock.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/basicLock.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/cms/adaptiveFreeList.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/classfile/altHashing.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/os/linux/vm/attachListener_linux.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/interpreter/bytecodeTracer.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/asPSOldGen.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/asPSOldGen.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/cpu/zero/vm/bytecodeInterpreter_zero.cpp:26:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/parallel/adjoiningGenerations.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/blockOffsetTable.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/blockOffsetTable.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/parallel/asPSOldGen.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecode.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecode.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/shared/adaptiveSizePolicy.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/interpreter/bytecodeStream.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/advancedThresholdPolicy.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeAssembler.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeAssembler.o'
>>> failed
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/arguments.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/arguments_ext.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/shared/ageTableTracer.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/services/attachListener.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/annotations.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeInterpreter_zero.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeInterpreter_zero.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/altHashing.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/altHashing.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeHistogram.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/adjoiningGenerations.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeInterpreter.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/abstractInterpreter.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/assembler.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodes.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/adaptiveSizePolicy.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ageTable.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/adaptiveFreeList.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ageTableTracer.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeStream.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/arguments.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cSpaceCounters.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciConstantPoolCache.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/annotations.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/allocationStats.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciArray.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/attachListener.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/attachListener_linux.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeTracer.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/barrierSet.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bitMap.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciInstanceKlass.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cardTableExtension.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/arguments_ext.o'
>>> failed
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciArray.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeHistogram.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/adjoiningGenerations.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeInterpreter.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/abstractInterpreter.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/shared/barrierSet.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciInstanceKlass.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/assembler.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodes.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciConstantPoolCache.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/adaptiveSizePolicy.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ageTable.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/bitMap.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/adaptiveFreeList.lib/CompileJvm.gmk:214:
>>> recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/binaryTreeDictionary.o'
>>> failed
>>> o] Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ageTableTracer.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeStream.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/arguments.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/parallel/cardTableExtension.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cSpaceCounters.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciConstantPoolCache.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/annotations.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/accessFlags.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/allocationStats.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciArray.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/attachListener.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/attachListener_linux.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/shared/cardTableModRefBS.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeTracer.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/classfile/classLoaderData.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/classfile/moduleEntry.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/classfile/vmSymbols.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp:26,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/gensrc/jvmtifiles/bytecodeInterpreterWithChecks.cpp:3:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/barrierSet.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciCallSite.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/biasedLocking.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciField.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bitMap.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciInstanceKlass.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciInstance.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cardTableExtension.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/arguments_ext.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciKlass.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciMemberName.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/binaryTreeDictionary.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/cpu/zero/vm/assembler_zero.cpp:26:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/shared/cardTableRS.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/accessFlags.o'
>>> failed
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciFlags.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/accessFlags.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciCallSite.o'
>>> failed
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciEnv.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciCallSite.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciExceptionHandler.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/shared/cardGeneration.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/gc/shared/cardTableModRefBSForCTRS.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciField.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciField.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciMethodBlocks.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/biasedLocking.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/biasedLocking.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciInstance.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciInstance.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/arrayKlass.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciKlass.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciKlass.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciConstant.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cardTableRS.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cardTableRS.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciMemberName.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciMemberName.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciFlags.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciFlags.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciEnv.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciEnv.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/assembler_zero.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/assembler_zero.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciArrayKlass.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciExceptionHandler.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciExceptionHandler.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cardGeneration.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cardGeneration.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciBaseObject.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cardTableModRefBSForCTRS.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cardTableModRefBSForCTRS.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeInterpreterWithChecks.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/bytecodeInterpreterWithChecks.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciMethodBlocks.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciMethodBlocks.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cardTableModRefBS.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/cardTableModRefBS.o'
>>> failed
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/arrayKlass.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/arrayKlass.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciConstant.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciConstant.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciArrayKlass.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciArrayKlass.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciMethod.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciBaseObject.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciBaseObject.o]
>>> Error 1
>>> In file included from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions.hpp:33:0,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/debug.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/globals.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/allocation.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/iterator.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/oops/oop.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/runtime/handles.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/memory/universe.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/code/oopRecorder.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/codeBuffer.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/asm/assembler.hpp:28,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/precompiled/precompiled.hpp:29,
>>>                    from
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/ci/ciMetadata.cpp:25:
>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp:79:22:
>>> fatal error: ucontext.h: No such file or directory
>>> compilation terminated.
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciMethod.o'
>>> failed
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciMethod.o]
>>> Error 1
>>> make[3]: ***
>>> [/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciMetadata.o]
>>> Error 1
>>> lib/CompileJvm.gmk:214: recipe for target
>>> '/home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/build/android-arm-normal-zero-release/hotspot/variant-zero/libjvm/objs/ciMetadata.o'
>>> failed
>>> make[2]: *** [hotspot-zero-libs] Error 1
>>> make/Main.gmk:263: recipe for target 'hotspot-zero-libs' failed
>>> make[2]: *** Waiting for unfinished jobs....
>>> Compiling 396 files for BUILD_INTERIM_jdk.compiler
>>> Compiling 61 files for BUILD_INTERIM_jdk.jdeps
>>> Compiling 457 files for BUILD_INTERIM_jdk.javadoc
>>> Note: Some input files use or override a deprecated API.
>>> Note: Recompile with -Xlint:deprecation for details.
>>>
>>> ERROR: Build failed for target 'jre-image' in configuration
>>> 'android-arm-normal-zero-release' (exit code 2)
>>> ----- Build times -------
>>> Start 2018-08-28 15:45:30
>>> End   2018-08-28 15:45:46
>>>
>>> 00:00:16 TOTAL
>>> -------------------------
>>>
>>> #####################################################################################################
>>>
>>>
>>>
>>>
>>>
>>>
>>> -----邮件原件-----
>>> 发件人: Magnus Ihse Bursie [mailto:magnus.ihse.bursie at oracle.com]
>>> 发送时间: 2018年8月28日 17:11
>>> 收件人: zhangfan (AZ) <zhangfan147 at huawei.com>; Johan Vos
>>> <johan.vos at gluonhq.com>
>>> 抄送: xieshengzhen <xieshengzhen at huawei.com>; dingbin (C)
>>> <dingbin5 at huawei.com>; yuanxiang (F) <yuanxiang4 at huawei.com>;
>>> mobile-dev at openjdk.java.net; xietuo <xietuo at huawei.com>
>>> 主题: Re: 答复: 答复: How to build openjdk mobile project android
>>> platform successfully and how does the mobile project adapt to bionic
>>> C ?
>>>
>>> On 2018-08-28 09:44, zhangfan (AZ) wrote:
>>>> Hi,
>>>>
>>>> Attachments are my configure and build’s logs and outputs.
>>>> Please help figure out how to build the mobile project successfully.
>>> Unfortunately, attachments are stripped by the mailing list server. :-(
>>>
>>> Please include them inline in the text, or put them on an extern site.
>>>
>>> /Magnus
>>>> 发件人: Johan Vos [mailto:johan.vos at gluonhq.com]
>>>> 发送时间: 2018年8月28日 15:20
>>>> 收件人: zhangfan (AZ) <zhangfan147 at huawei.com>
>>>> 抄送: gary.adams at oracle.com; mobile-dev at openjdk.java.net; xietuo
>>>> <xietuo at huawei.com>
>>>> 主题: Re: 答复: How to build openjdk mobile project android platform
>>>> successfully and how does the mobile project adapt to bionic C ?
>>>>
>>>> Hi,
>>>>
>>>> Configuration and build logs are always helpful.
>>>>
>>>> - Johan
>>>>
>>>> On Tue, Aug 28, 2018 at 4:04 AM zhangfan (AZ)
>>>> <zhangfan147 at huawei.com<mailto:zhangfan147 at huawei.com>> wrote:
>>>> Hi,
>>>>
>>>> I tried using a newer toolchian (android-ndk-13b) and also adding
>>>> back the code as you guided, but still failed.
>>>> I think could you help provide your steps and configurations that
>>>> can build the mobile project android platform successfully ?
>>>> Or need I attach the full configuration and build logs ?
>>>> Thanks!
>>>>
>>>>
>>>>
>>>>
>>>> -----邮件原件-----
>>>> 发件人: gary.adams at oracle.com<mailto:gary.adams at oracle.com>
>>>> [mailto:gary.adams at oracle.com<mailto:gary.adams at oracle.com>]
>>>> 发送时间: 2018年8月25日 19:32
>>>> 收件人: zhangfan (AZ)
>>>> <zhangfan147 at huawei.com<mailto:zhangfan147 at huawei.com>>;
>>>> mobile-dev at openjdk.java.net<mailto:mobile-dev at openjdk.java.net>
>>>> 抄送: xietuo <xietuo at huawei.com<mailto:xietuo at huawei.com>>
>>>> 主题: Re: 答复: How to build openjdk mobile project android platform
>>>> successfully and how does the mobile project adapt to bionic C ?
>>>>
>>>> It looks like there was an update in the toolchain and the
>>>> workaround was removed in perfMemory_linux.cpp when andoid-arm
>>>> support was included in the mobile repos.
>>>>
>>>>       http://hg.openjdk.java.net/mobile/jdk9/hotspot/rev/647ec6c17c56
>>>>
>>>> You could try adding back the code that was removed, or move up to a
>>>> newer toolchain. e.g android-ndk-13b was the last toolchain we used
>>>>
>>>> On 8/25/18 6:57 AM,
>>>> gary.adams at oracle.com<mailto:gary.adams at oracle.com> wrote:
>>>>> The android compiler will set the __ANDROID__ build flag.
>>>>> The __ANDROID__ workarounds are in the mobile repos.
>>>>>
>>>>>    From the  LOG=debug output can you provide the command line used to
>>>>> compile the file that is failing.
>>>>>
>>>>> I'm not sure you have the right sources or toolchain setup.
>>>>>
>>>>> On 8/25/18 2:15 AM, zhangfan (AZ) wrote:
>>>>>> Hi,
>>>>>>
>>>>>> Thank you for your quick response.
>>>>>> I tried the "make jre-image" command and failed in the same way.
>>>>>> Do I need to enable the "__ANDROID__" manually? Because the build
>>>>>> errors occur due to the use of the lacking functions the bionic
>>>>>> doesn't provide.
>>>>>>
>>>>>>
>>>>>> -----邮件原件-----
>>>>>> 发件人: mobile-dev
>>>>>> [mailto:mobile-dev-bounces at openjdk.java.net<mailto:mobile-dev-bounce
>>>>>> s at openjdk.java.net>] 代表
>>>>>> gary.adams at oracle.com<mailto:gary.adams at oracle.com>
>>>>>> 发送时间: 2018年8月24日 18:45
>>>>>> 收件人: guoge (A) <guoge1 at huawei.com<mailto:guoge1 at huawei.com>>;
>>>>>> mobile-dev at openjdk.java.net<mailto:mobile-dev at openjdk.java.net>
>>>>>> 抄送: xietuo <xietuo at huawei.com<mailto:xietuo at huawei.com>>
>>>>>> 主题: Re: How to build openjdk mobile project android platform
>>>>>> successfully and how does the mobile project adapt to bionic C ?
>>>>>>
>>>>>> Only the java runtime libraries were ported to run in the Android
>>>>>> app environment.
>>>>>> You can not build a full jdk image.
>>>>>>
>>>>>> The mobile repos already has the needed "#if defined(__ANDROID__)
>>>>>> ..."
>>>>>> directives with alternate implementations for missing bionic
>>>>>> functions.
>>>>>>
>>>>>> To debug build errors it helps to add "LOG=debug" to your make
>>>>>> command line.
>>>>>> The error may be in the creation of a local build-jdk image prior to
>>>>>> the building of the target platform jre libraries.
>>>>>>
>>>>>> On 8/24/18 4:13 AM, guoge (A) wrote:
>>>>>>> Hi mobile-dev,
>>>>>>>
>>>>>>>                      I want to build an android openjdk from the
>>>>>>> mobile
>>>>>>> project.(http://hg.openjdk.java.net/mobile/jdk9/)
>>>>>>>                      I followed the
>>>>>>> guide(http://openjdk.java.net/projects/mobile/android.html) but
>>>>>>> failed in the "make images" phase.
>>>>>>>                      I tried two versions of NDK
>>>>>>> toolchains(android-ndk32-r10b-linux-x86_64 and
>>>>>>> android-ndk-r10e-linux-x86_64) and the followings are the configure
>>>>>>> and make images command outputs, could you help figure out why the
>>>>>>> project can't be built successfully?
>>>>>>>
>>>>>>>                      In addition, could you tell me how the mobile
>>>>>>> project adapts to the bionic C when bionic C lacks some functions
>>>>>>> the openjdk needs(such as ucontext.h, getpwuid_r etc.)?
>>>>>>>
>>>>>>>                      Thanks.
>>>>>>>
>>>>>>>
>>>>>>> android-ndk-r10b
>>>>>>> -------------------------------------------------------------------
>>>>>>> -
>>>>>>> -- 
>>>>>>> ----
>>>>>>> configure:
>>>>>>> Configuration summary:
>>>>>>> * Debug level:    release
>>>>>>> * HS debug level: product
>>>>>>> * JDK variant:    normal
>>>>>>> * JVM variants:   zero
>>>>>>> * OpenJDK target: OS: android, CPU architecture: arm, address
>>>>>>> length:
>>>>>>> 32
>>>>>>> * Version string: 9-internal+0-adhoc.zhangfan.mobile-jdk9
>>>>>>> (9-internal)
>>>>>>>
>>>>>>> Tools summary:
>>>>>>> * Boot JDK:       java version "1.8.0_192-ea" Java(TM) SE Runtime
>>>>>>> Environment (build 1.8.0_192-ea-b04) Java HotSpot(TM) 64-Bit Server
>>>>>>> VM (build 25.192-b04, mixed mode)  (at
>>>>>>> /home/zhangfan/tools/openjdk-builds/jdk1.8.0_192)
>>>>>>> * Toolchain:      gcc (GNU Compiler Collection)
>>>>>>> * C Compiler:     Version 4.6 (at
>>>>>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolc
>>>>>>> h
>>>>>>> ains/android-arm-toolchain/bin/arm-linux-androideabi-gcc)
>>>>>>> * C++ Compiler:   Version 4.6 (at
>>>>>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10b/generated-toolc
>>>>>>> h
>>>>>>> ains/android-arm-toolchain/bin/arm-linux-androideabi-g++)
>>>>>>>
>>>>>>> make images:
>>>>>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/share/vm
>>>>>>> /
>>>>>>> ut
>>>>>>> ilities/globalDefinitions_gcc.hpp:79:22: fatal error: ucontext.h:
>>>>>>> No such file or directory compilation terminated.
>>>>>>>
>>>>>>>
>>>>>>> android-ndk-r10e
>>>>>>> -------------------------------------------------------------------
>>>>>>> -
>>>>>>> -- 
>>>>>>> ----
>>>>>>> configure:
>>>>>>> Configuration summary:
>>>>>>> * Debug level:    release
>>>>>>> * HS debug level: product
>>>>>>> * JDK variant:    normal
>>>>>>> * JVM variants:   zero
>>>>>>> * OpenJDK target: OS: android, CPU architecture: arm, address
>>>>>>> length:
>>>>>>> 32
>>>>>>> * Version string: 9-internal+0-adhoc.zhangfan.mobile-jdk9
>>>>>>> (9-internal)
>>>>>>>
>>>>>>> Tools summary:
>>>>>>> * Boot JDK:       java version "1.8.0_192-ea" Java(TM) SE Runtime
>>>>>>> Environment (build 1.8.0_192-ea-b04) Java HotSpot(TM) 64-Bit Server
>>>>>>> VM (build 25.192-b04, mixed mode)  (at
>>>>>>> /home/zhangfan/tools/openjdk-builds/jdk1.8.0_192)
>>>>>>> * Toolchain:      gcc (GNU Compiler Collection)
>>>>>>> * C Compiler:     Version 4.8 (at
>>>>>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10e/generated-toolc
>>>>>>> h
>>>>>>> ains/android-arm-toolchain/bin/arm-linux-androideabi-gcc)
>>>>>>> * C++ Compiler:   Version 4.8 (at
>>>>>>> /home/zhangfan/code/dev/jdk9mobile/android-ndk-r10e/generated-toolc
>>>>>>> h
>>>>>>> ains/android-arm-toolchain/bin/arm-linux-androideabi-g++)
>>>>>>>
>>>>>>> make images:
>>>>>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/os/linux/vm/perfMemory_linux.cpp:
>>>>>>>
>>>>>>> In function 'char* get_user_name(uid_t)':
>>>>>>> /home/zhangfan/code/dev/jdk9mobile/mobile-jdk9/hotspot/src/os/linux/vm/perfMemory_linux.cpp:458:66:
>>>>>>>
>>>>>>> error: 'getpwuid_r' was not declared in this scope
>>>>>>>         int result = getpwuid_r(uid, &pwent, pwbuf, (size_t)bufsize,
>>>>>>> &p);
>>>>>>>
>>>>>>> Best Regards,
>>>>>>> Guoge