It is mandatory when you need to croscompile for ARM on 32 bit system where
CXX and LINK are already pointing to the ARM compiler. So making the right
32bit clang executable for CXX(host) is mandatory - at least for those who
lost faith not being able to compile for ARM on the 32 bit linux.
On Friday, March 13, 2015 at 10:41:00 AM UTC+1, Jakob Kummerow wrote:
>
> make ia32.release GYPFLAGS=-Dclang=0 should be enough to fall back to the
> system toolchain. (Maybe we should expose that as a Makefile option... but
> then it's rarely needed.)
>
> On Fri, Mar 13, 2015 at 9:40 AM, Jochen Eisinger <joc...@chromium.org
> <javascript:>> wrote:
>
>> The clang binary included with v8 is a 64bit binary.
>>
>> If you want to compile on a 32bit host, you have to provide your own
>> compiler (by specifying CC, CXX, CPP, and LINK variables to make)
>>
>> best
>> -jochen
>>
>> On Thu, Mar 12, 2015 at 2:04 PM David Xanatos <xanato...@gmail.com
>> <javascript:>> wrote:
>>
>>> i have problems building the v8 engine on ubuntu x86
>>>
>>> i get strange errors
>>>
>>> david@ubuntu:~/test/v8$ make ia32.release library=shared
>>> PYTHONPATH="/home/david/test/v8/tools/generate_shim_headers:/home/david/test/v8/build::/home/david/test/v8/build/gyp/pylib:"
>>>
>>> \
>>> GYP_GENERATORS=make \
>>> build/gyp/gyp --generator-output="out" build/all.gyp \
>>> -Ibuild/standalone.gypi --depth=. \
>>> -Dv8_target_arch=ia32 \
>>> \
>>> \
>>> -S.ia32.release -Dcomponent=shared_library
>>> -Dv8_enable_backtrace=1 -Darm_fpu=default -Darm_float_abi=default
>>> make[1]: Entering directory `/home/david/test/v8/out'
>>> CC(target)
>>> /home/david/test/v8/out/ia32.release/obj.target/icudata/third_party/icu/linux/icudtl_dat.o
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 1:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: @8:
>>> not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 1:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang:
>>> cannot open j
>>>
>>>
>>>
>>> q��zi� d� v��GX.� 0@ y 2 0*p!: No such file
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 2:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: B� �
>>> : not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 1:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: ELF :
>>> not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 1:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: �:
>>> not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 2:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: Q !
>>> �MQ�k�P@��PD @2�� ��@� : not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 3:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: @ !
>>> �@$��� : not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 1:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: � :
>>> not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 1:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: �� �
>>> �@: not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 3:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: � :
>>> not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 8:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: : not
>>> found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 9:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: A@� R
>>> � : not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: 1:
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang: �� :
>>> not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang:
>>> 11: /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang:
>>> @D�E�� a � L @ @�
>>> n : not found
>>> /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang:
>>> 12: /home/david/test/v8/third_party/llvm-build/Release+Asserts/bin/clang:
>>> Syntax error: "(" unexpected
>>> make[1]: ***
>>> [/home/david/test/v8/out/ia32.release/obj.target/icudata/third_party/icu/linux/icudtl_dat.o]
>>>
>>> Error 2
>>> make[1]: Leaving directory `/home/david/test/v8/out'
>>> make: *** [ia32.release] Error 2
>>> david@ubuntu:~/test/v8$
>>>
>>>
>>>
>>> on ubuntu x64 all works as it should
>>>
>>> whats wrong here?
>>>
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