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如何在cmake項目中將openmp標誌傳遞給NVCC? 這個項目的我的CMakeLists.txt看起來像這樣,但編譯失敗,並顯示「未定義的對omp_get_wtime的引用」消息。在Cmake項目中指定openmp CUDA標誌
cmake_minimum_required (VERSION 2.8.2)
set (CMAKE_MODULE_PATH
"${CMAKE_SOURCE_DIR}/cmake"
${CMAKE_MODULE_PATH}
)
find_package (CUDA 4.0 REQUIRED)
if(OPENMP_FOUND)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS}
${OpenMP_EXE_LINKER_FLAGS}") endif()
set (CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/bin)
set (CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/lib)
set (CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_SOURCE_DIR}/lib)
if(UNIX)
add_definitions(-DUNIX)
endif(UNIX)
add_subdirectory(xor)
CUDA_BUILD_CLEAN_TARGET()
當你調用它時,你希望nvcc傳遞給主編譯器的任何選項必須通過-Xcompiler選項。所以對於gcc,-Xcompiler =「 - fopenmp」將打開OpenMP編譯。你如何讓CMake做到這一點,我不知道 – talonmies 2012-02-16 16:06:18
我剛剛發現,將find_package(OpenMP)添加到前面的腳本中的確有竅門。雖然比我簡單。 – fbielejec 2012-02-16 16:11:30
我建議把這些答案放在答案中而不是評論中。 – harrism 2012-02-17 06:47:07