[llvm-dev] Problem with Polly build

[Eugene Zelenko via llvm-dev]

Hi, Michael!

Current code builds well.

I'm very sorry for causing troubles. I forgot to uncomment Polly
update (I did so after build started to fail) in my script. So r301734
fixed my problem.

Eugene.

On Thu, May 4, 2017 at 1:35 AM, Michael Kruse <llvmdev at meinersbur.de> wrote:
> 2017-05-02 0:50 GMT+02:00 Eugene Zelenko via llvm-dev <llvm-dev at lists.llvm.org>:
>> On Mon, May 1, 2017 at 3:27 PM, Michael Kruse <llvmdev at meinersbur.de> wrote:
>>> 2017-05-01 20:16 GMT+02:00 Eugene Zelenko via llvm-dev
>>> <llvm-dev at lists.llvm.org>:
>>>> Hi, Hongbin!
>>>>
>>>> On Mon, May 1, 2017 at 11:06 AM, Hongbin Zheng <etherzhhb at gmail.com> wrote:
>>>>> Hi Eugene,
>>>>>
>>>>> It is strange, I also do a clean build with CMake+make with r301734 and it
>>>>> is ok. Could you provide more details?
>>>>>
>>>>> Thanks
>>>>> Hongbin
>>>>
>>>> My CMake parameters:
>>>>
>>>> ${CMake}                        \
>>>>     -DCMAKE_BUILD_TYPE="Release"            \
>>>>     -DCMAKE_INSTALL_PREFIX:PATH=${InstallDir}    \
>>>>     -DCMAKE_C_COMPILER=${GCCDir}/bin/gcc        \
>>>>     -DCMAKE_C_FLAGS="-m64"                \
>>>>     -DCMAKE_CXX_COMPILER=${GCCDir}/bin/g++        \
>>>>     -DCMAKE_CXX_FLAGS="-m64"            \
>>>>     -DPYTHON_EXECUTABLE=${PythonDir}/bin/python    \
>>>>     -DLLVM_INSTALL_TOOLCHAIN_ONLY=ON        \
>>>>     -DLLVM_LIBDIR_SUFFIX=64                \
>>>>     -DLLVM_TARGETS_TO_BUILD="X86"            \
>>>>     ${LLVMSourceDir}
>>>>
>>>> I build LLVM, Clang, Clang extra tools, Compiler-RT and Polly together.
>>>
>>> I tried this configuration (I have lld, lldb, libcxx etc in my source
>>> tree as well). Neither "make LLVMPolly -j8" nor "make Polly -j8"
>>> resulted in an error on a clean build.
>>>
>>> Can you try "make intrinsics_gen" before building anything else? The
>>> should generate the missing "llvm/IR/Attributes.gen".
>>>
>>> You could also try "-DLLVM_POLLY_LINK_INTO_TOOLS=OFF".
>>>
>>> Michael
>>
>> Yes, my build proceeded after make intrinsics_gen.
>>
>> But originally I run make -j 4 for entire source tree (clean build),
>> not particular Polly target. In such proper solution is that Polly
>> should depend on intrinsics_gen.
>
> I try to diagnose the problem because I cannot reproduce it. I also
> tried "make -j4" (that is: make all -j4) on a clean build dir which
> built successfully.
>
> Polly does depend on intrinsics_gen. The dependency is added by the
> following line in polly/lib/CMakeLists.txt
>
> if (TARGET intrinsics_gen)
>   # Check if we are building as part of an LLVM build
>   add_dependencies(PollyCore intrinsics_gen)
> endif()
>
> The artifacts Polly and LLVMPolly depend on PollyCore. If you want to
> help to diagnose the problem, you could add a "message()" command to
> see whether the add_dependencies above is executed. It would also be
> interesting whether "make Polly -j4","make LLVMPolly -j4" and "make
> opt -j4" works for you on a clean build.
>
> Could it also be one of the other projects not properly depending on
> intrinsics_gen?
>
> Michael