diff options
Diffstat (limited to 'tensorflow/contrib/cmake/CMakeLists.txt')
| -rw-r--r-- | tensorflow/contrib/cmake/CMakeLists.txt | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tensorflow/contrib/cmake/CMakeLists.txt b/tensorflow/contrib/cmake/CMakeLists.txt index 691c87457c..5ac9ec5681 100644 --- a/tensorflow/contrib/cmake/CMakeLists.txt +++ b/tensorflow/contrib/cmake/CMakeLists.txt @@ -27,6 +27,7 @@ option(tensorflow_BUILD_ALL_KERNELS "Build all OpKernels" ON) option(tensorflow_BUILD_CONTRIB_KERNELS "Build OpKernels from tensorflow/contrib/..." ON) option(tensorflow_BUILD_CC_TESTS "Build cc unit tests " OFF) option(tensorflow_BUILD_PYTHON_TESTS "Build python unit tests " OFF) +option(tensorflow_OPTIMIZE_FOR_NATIVE_ARCH "Enable compiler optimizations for the native processor architecture (if available)" ON) if (NOT WIN32) # Threads: defines CMAKE_THREAD_LIBS_INIT and adds -pthread compile option @@ -67,7 +68,15 @@ if(WIN32) endif() if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") - set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-fno-exceptions -std=c++11") + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions -std=c++11") +endif() + +if (tensorflow_OPTIMIZE_FOR_NATIVE_ARCH) + include(CheckCXXCompilerFlag) + CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_OPT_ARCH_NATIVE_SUPPORTED) + if (COMPILER_OPT_ARCH_NATIVE_SUPPORTED) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native") + endif() endif() # External dependencies |