Cross compiling Openjdk 8 for ARM, can't locate compiler

[David Holmes]

Ignore this part. :)

David

On 18/04/2017 12:24 PM, David Holmes wrote:
> On 18/04/2017 12:19 PM, David Holmes wrote:
>> On 13/04/2017 11:44 PM, Stuart Monteith wrote:
>>> Hello Bruno,
>>>    I've not tried cross-compiling Java, so I don't have anything that
>>> will help you. Your best chance for help is on the aarch32-port-dev
>>> mailing list.
>>
>> Folks there may be able to help but really this is an issue with
>> building Zero for ARM on JDK 8. Note than unlike JDK 9 there is no
>> OpenJDK ARM port in JDK 8.
>
> And Zero doesn't use cross-compiling.
>
> David
>
>> Cheers,
>> David
>>
>>> BR,
>>>    Stuart
>>>
>>>
>>> On 29 March 2017 at 21:23, Bruno Kremel <bruno.kremel at gmail.com> wrote:
>>>> Hi All,
>>>>
>>>> As I was not able to compile OpenJDK 9 (there is disscussion in other
>>>> mailing list). I tried to compile OpenJDK 8 precisely changeset
>>>> 152-b02.
>>>>
>>>> I configure this way:
>>>>
>>>> ./configure --with-jvm-interpreter=cpp \
>>>> --with-jvm-variants=zero --enable-openjdk-only \
>>>> --with-freetype-include=~/linux/buildroot-openjdk8/output/host/usr/arm-buildroot-linux-gnueabi/sysroot/usr/include/freetype2\
>>>>
>>>>
>>>> --with-freetype-lib=~/linux/buildroot-openjdk8/output/host/usr/arm-buildroot-linux-gnueabi/sysroot/usr/lib\
>>>>
>>>>
>>>> --with-freetype=~/linux/buildroot-openjdk8/output/host/usr/arm-buildroot-linux-gnueabi/sysroot/usr/\
>>>>
>>>>
>>>> --with-debug-level=release
>>>> --openjdk-target=arm-buildroot-linux-gnueabi \
>>>> --with-sys-root=~/linux/buildroot-openjdk8/output/host/usr/arm-buildroot-linux-gnueabi/sysroot\
>>>>
>>>>
>>>> --with-tools-dir=~/linux/buildroot-openjdk8/output/host \
>>>> --disable-freetype-bundling --enable-unlimited-crypto
>>>> --disable-headful\
>>>> OBJCOPY=~/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-objcopy
>>>>
>>>>
>>>> STRIP=~/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-strip
>>>>
>>>>
>>>> CPP_FLAGS=-lstdc++ CXX_FLAGS=-lstdc++
>>>> CPP=~/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-cpp\
>>>>
>>>>
>>>> CXX=~/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-g++\
>>>>
>>>>
>>>> CC=~/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc\
>>>>
>>>> LD=~/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc\
>>>>
>>>> BUILD_CPP=~/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-cpp\
>>>>
>>>>
>>>> BUILD_CXX=~/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-g++\
>>>>
>>>>
>>>> BUILD_CC=~/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc\
>>>>
>>>>
>>>> BUILD_LD=~/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc
>>>>
>>>>
>>>>
>>>> The configure script seems to have some bug that it can't locate the
>>>> compiler properly:
>>>>
>>>> ...
>>>> checking for cl...
>>>> /home/bruno/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc
>>>>
>>>>
>>>> configure: Resolving BUILD_CC (as
>>>> /home/bruno/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc)
>>>>
>>>> faile
>>>> d, using
>>>> /home/bruno/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc
>>>>
>>>> directly.
>>>> checking for cl...
>>>> /home/bruno/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-g++
>>>>
>>>>
>>>> configure: Resolving BUILD_CXX (as
>>>> /home/bruno/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-g++)
>>>>
>>>> fail
>>>> ed, using
>>>> /home/bruno/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-g++
>>>>
>>>> directly.
>>>> checking for ld...
>>>> /home/bruno/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc
>>>>
>>>>
>>>> configure: Resolving BUILD_LD (as
>>>> /home/bruno/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc)
>>>>
>>>> faile
>>>> d, using
>>>> /home/bruno/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc
>>>>
>>>> directly.
>>>> checking for
>>>> /home/bruno/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc...
>>>>
>>>> no
>>>> checking for
>>>> /home/bruno/linux/buildroot-openjdk8/output/host/usr/bin/arm-linux-gnueabi-gcc...
>>>>
>>>> no
>>>> configure: error: Could not find a C compiler. You might be able to
>>>> fix this by running 'sudo apt-get install build-ess
>>>> ential'.
>>>> configure exiting with result code 1
>>>> ...
>>>>
>>>> Those files that it claims "no" do exist and they are indeed a GCC
>>>> crosscompiler.
>>>> The same parameters work for OpenJDK 9 (it does find the compiler).
>>>>
>>>> How can I resolve this issue?
>>>>
>>>> Thanks
>>>> Bruno Kremel
>>>>