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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2020/03/03 22:51:01 UTC
[GitHub] [incubator-mxnet] leezu commented on a change in pull request
#17751: Fix MKL static link & default to static link on unix
leezu commented on a change in pull request #17751: Fix MKL static link & default to static link on unix
URL: https://github.com/apache/incubator-mxnet/pull/17751#discussion_r387342850
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File path: CMakeLists.txt
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@@ -442,8 +440,11 @@ if(USE_OPENMP)
if(OPENMP_FOUND)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
- set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
- set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
+ if(NOT BLAS STREQUAL "MKL")
+ # Linker flags for Intel OMP are already set in case MKL is used. Only set if not MKL
+ set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
+ set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
+ endif()
Review comment:
FYI @cjolivier01, based on this, clang won't add omp.
```
ubuntu@ip-172-31-24-41:~/mxnet/build$ ldd libmxnet.so | grep omp
libiomp5.so => /usr/local/lib/libiomp5.so (0x00007f982da3d000)
```
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