Link error building jdk9/jdk9

[Simon Nash]

On 22/12/2016 17:38, Bob Vandette wrote:
>> On Dec 22, 2016, at 12:09 PM, Simon Nash <simon at cjnash.com> wrote:
>>
>> On 22/12/2016 16:21, Bob Vandette wrote:
>>>> On Dec 22, 2016, at 11:02 AM, Simon Nash <simon at cjnash.com> wrote:
>>>>
>>>> On 22/12/2016 14:58, Bob Vandette wrote:
>>>>> I tried cross compiling with 2 different 4.7.2 GCC versions and had issues with the older one but it appears you
>>>>> are running an even newer version than I am.
>>>>> Works
>>>>> gcc-linaro-arm-linux-gnueabihf-raspbian-2012.09-20120921_linux
>>>>> gcc version 4.7.2 20120910 (prerelease) (crosstool-NG linaro-1.13.1-2012.09-20120921 - Linaro GCC 2012.09)
>>>>> Fails
>>>>> gcc-linaro-arm-linux-gnueabihf-2012.07-20120720_linux
>>>>> gcc version 4.7.2 20120701 (prerelease) (crosstool-NG linaro-1.13.1-2012.07-20120720 - Linaro GCC 2012.07)
>>>>> Here’s my failure when I use the 2012.07 version:
>>>>> /java/embedded/buildtools/gcc/linux/arm/gcc-linaro-arm-linux-gnueabihf-2012.07-20120720_linux/bin/../lib/gcc/arm-linux-gnueabihf/4.7.2/../../../../arm-linux-gnueabihf/bin/ld: /java/embedded/buildtools/gcc/linux/arm/gcc-linaro-arm-linux-gnueabihf-2012.07-20120720_linux/arm-linux-gnueabihf/libc/usr/lib/arm-linux-gnueabihf/libm.a(mpa.o): relocation R_ARM_THM_MOVW_ABS_NC against `a local symbol' can not be used when making a shared object; recompile with -fPIC
>>>>> /java/embedded/buildtools/gcc/linux/arm/gcc-linaro-arm-linux-gnueabihf-2012.07-20120720_linux/arm-linux-gnueabihf/libc/usr/lib/arm-linux-gnueabihf/libm.a: could not read symbols: Bad value
>>>>> collect2: error: ld returned 1 exit status
>>>>> make[3]: *** [/export/users/bobv/jdk9dev-open/build/b00/linux-arm/support/modules_libs/java.base/server/libjvm.so] Error 1
>>>>> Bob.
>>>>>
>>>> Thanks for this.  The cross-compiler part is working OK for me.  It is the buildjdk
>>>> part with the system toolchain that is failing.  It was not failing with jdk9-arm3264,
>>>> so I presume there is some difference between that and jdk9/jdk9.
>>>>
>>>> Your link command is at least producing error messages.  It is the absence of any
>>>> messages for my link error that is puzzling me.
>>>>
>>>> I will try again with jdk9-arm3264 to confirm whether this is still working with
>>>> my setup.  It would not be easy for me to update my system toolchain to a later
>>>> level, so I would prefer to make this work with 4.8.4 if possible.
>>> You can try to do a "make LOG=debug images" to see if you get more output or
>>> to isolate the complete ld command.
>>> I’m not really setup to do a native ARM build.  If I get a chance, I’ll try to
>>> get a 4.8.4 toolchain and see if I can successfully build.
>>> Bob.
>> I am not doing a native ARM build.  I am cross-compiling on Ubuntu x64 14.04 using
>> the configure command that I posted earlier.  The cross-compile to ARM is working
>> but the build also creates something called buildjdk that is a native x64 version.
>> For this, it uses the system 4.8.4 x64 toolchain that comes with Ubuntu 14.04.
>> It is this x64 link of the buildjdk version of libjvm.so that is failing.
> 
> Ok.  In that case, you can try to download a newer version of the x64 gcc toolchain and
> pass this option to configure which will make the JDK build use this version.
> 
>     --with-build-devkit=/your/toolchains/gcc4.9.2
> 
> Bob.
> 
Updating the toolchain to 4.9 has solved the problem.  Many thanks.

Simon

>> Simon
>>
>>>> Simon
>>>>
>>>>>> On Dec 21, 2016, at 6:22 PM, Simon Nash <simon at cjnash.com> wrote:
>>>>>>
>>>>>> I am trying to build jdk9/jdk9 using the configuration that I have been using to
>>>>>> build jdk9-arm3264.  Here is my configure command:
>>>>>>
>>>>>> bash ./configure --with-jdk-variant=normal --with-jvm-variants=server --with-abi-profile=arm-vfp-hflt --with-conf-name=hardfp \
>>>>>> --with-debug-level=release --disable-warnings-as-errors --openjdk-target=arm-linux-gnueabihf \
>>>>>> --with-tools-dir=/sd1/linaro/gcc-linaro-arm-linux-gnueabihf-4.7-2012.11-20121123_linux/bin \
>>>>>> --with-sys-root=/sd1/linaro/gcc-linaro-arm-linux-gnueabihf-4.7-2012.11-20121123_linux/arm-linux-gnueabihf/libc \
>>>>>> --with-cups=/sd1/armhf/cups --with-freetype=/sd1/armhf/freetype2 --with-alsa=/sd1/armhf/alsa \
>>>>>> --x-includes=/sd1/armhf/X11/include --x-libraries=/sd1/armhf/X11/lib --disable-freetype-bundling --with-boot-jdk=/sd1/java/jdk1.8.0_25 \
>>>>>> CC=arm-linux-gnueabihf-gcc CXX=arm-linux-gnueabihf-g++ CPP=arm-linux-gnueabihf-cpp CXXCPP=arm-linux-gnueabihf-cpp \
>>>>>> LIBS="-Wl,-rpath-link /sd1/armhf/freetype2/lib -Wl,-rpath-link /sd1/armhf/X11/lib"
>>>>>>
>>>>>> The cross-compile has worked OK but there is a a link error building the native libjvm.so
>>>>>> in buildjdk with no error message to say what is wrong.  Here is the link command and the
>>>>>> output I am getting:
>>>>>>
>>>>>> nash at angels:/sd1/jdk9$ /usr/bin/g++ -Wl,-V -Wl,-z,defs -Wl,-z,noexecstack -Wl,-O1 -Wl,-z,relro -static-libstdc++ -static-libgcc -shared -Wl,-version-script=/sd1/jdk9/build/hardfp/buildjdk/hotspot/variant-server/libjvm/mapfile -Wl,-soname=libjvm.so -o /sd1/jdk9/build/hardfp/buildjdk/support/modules_libs/java.base/server/libjvm.so @/sd1/jdk9/build/hardfp/buildjdk/hotspot/variant-server/libjvm/objs/_BUILD_LIBJVM_objectfilenames.txt -lm -ldl -lpthread
>>>>>> collect2: error: ld returned 1 exit status
>>>>>>
>>>>>> Here is my native g++ version:
>>>>>>
>>>>>> nash at angels:/sd1/jdk9$ g++ --version
>>>>>> g++ (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4
>>>>>>
>>>>>> Could there be some incompatibility or bug in this fairly old level of g++?
>>>>>>
>>>>>> Simon
> 
>