58 lines
1.7 KiB
CMake
58 lines
1.7 KiB
CMake
#.rst:
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#
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# Enables OpenMP support.
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#
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# Variables used::
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#
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# ENABLE_OPENMP
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# OPENMP_FOUND
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#
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# Variables modified (provided the corresponding language is enabled)::
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#
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# CMAKE_Fortran_FLAGS
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# CMAKE_C_FLAGS
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# CMAKE_CXX_FLAGS
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#
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# autocmake.yml configuration::
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#
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# docopt: "--omp Enable OpenMP parallelization [default: False]."
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# define: "'-DENABLE_OPENMP={0}'.format(arguments['--omp'])"
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option(ENABLE_OPENMP "Enable OpenMP parallelization" OFF)
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if(ENABLE_OPENMP)
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if(DEFINED CMAKE_Fortran_COMPILER_ID)
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# we do this in a pedestrian way because the Fortran support is relatively recent
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if(CMAKE_Fortran_COMPILER_ID MATCHES GNU)
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set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fopenmp")
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endif()
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if(CMAKE_Fortran_COMPILER_ID MATCHES Intel)
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set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -openmp")
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endif()
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if(CMAKE_Fortran_COMPILER_ID MATCHES PGI)
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set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -mp")
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endif()
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if(CMAKE_Fortran_COMPILER_ID MATCHES XL)
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set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -qsmp")
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endif()
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if(CMAKE_Fortran_COMPILER_ID MATCHES Cray)
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# do nothing in this case
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endif()
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set(OPENMP_FOUND TRUE)
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endif()
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if(NOT OPENMP_FOUND)
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find_package(OpenMP)
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endif()
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if(OPENMP_FOUND)
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add_definitions(-DHAVE_OPENMP)
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if(DEFINED CMAKE_C_COMPILER_ID)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
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endif()
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if(DEFINED CMAKE_CXX_COMPILER_ID)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
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endif()
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endif()
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endif()
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