The GCC version is incompatible with building OneFlow MLIR

[terryzhao127]

Current GCC version: 7.3.0

The command to reproduce:

# After installing the conda activate
cmake .. -C ../cmake/caches/cn/fast/mlir-cuda-75.cmake

The output:

loading initial cache file ../cmake/caches/cn/fast/mlir-cuda-75.cmake
-- CMAKE_BUILD_TYPE: RelWithDebInfo
-- The C compiler identification is GNU 7.3.0
-- The CXX compiler identification is GNU 7.3.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - failed
-- Check for working C compiler: /home/guikarist/.miniconda3/envs/oneflow-dev-gcc7-v2/bin/x86_64-conda_cos6-linux-gnu-cc
-- Check for working C compiler: /home/guikarist/.miniconda3/envs/oneflow-dev-gcc7-v2/bin/x86_64-conda_cos6-linux-gnu-cc - broken
CMake Error at /home/guikarist/.miniconda3/envs/oneflow-dev-gcc7-v2/share/cmake-3.18/Modules/CMakeTestCCompiler.cmake:66 (message):
  The C compiler

    "/home/guikarist/.miniconda3/envs/oneflow-dev-gcc7-v2/bin/x86_64-conda_cos6-linux-gnu-cc"

  is not able to compile a simple test program.

  It fails with the following output:

    Change Dir: /home/guikarist/projects/oneflow/build/CMakeFiles/CMakeTmp
    
    Run Build Command(s):/home/guikarist/.miniconda3/envs/oneflow-dev-gcc7-v2/bin/ninja cmTC_fa944 && [1/2] Building C object CMakeFiles/cmTC_fa944.dir/testCCompiler.c.o
    [2/2] Linking C executable cmTC_fa944
    FAILED: cmTC_fa944 
    : && /home/guikarist/.miniconda3/envs/oneflow-dev-gcc7-v2/bin/x86_64-conda_cos6-linux-gnu-cc -march=nocona -mtune=haswell -ftree-vectorize -fPIC -fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe -isystem /home/guikarist/.miniconda3/envs/oneflow-dev-gcc7-v2/include -fuse-ld=lld -Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now -Wl,--disable-new-dtags -Wl,--gc-sections -Wl,-rpath,/home/guikarist/.miniconda3/envs/oneflow-dev-gcc7-v2/lib -Wl,-rpath-link,/home/guikarist/.miniconda3/envs/oneflow-dev-gcc7-v2/lib -L/home/guikarist/.miniconda3/envs/oneflow-dev-gcc7-v2/lib CMakeFiles/cmTC_fa944.dir/testCCompiler.c.o -o cmTC_fa944   && :
    x86_64-conda_cos6-linux-gnu-cc: error: unrecognized command line option '-fuse-ld=lld'; did you mean '-fuse-ld=bfd'?
    ninja: build stopped: subcommand failed.
    
    

  

  CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
  CMakeLists.txt:62 (project)


-- Configuring incomplete, errors occurred!
See also "/home/guikarist/projects/oneflow/build/CMakeFiles/CMakeOutput.log".
See also "/home/guikarist/projects/oneflow/build/CMakeFiles/CMakeError.log".

Maybe we should specify a newer version for installing gcc.