55 lines
1.7 KiB
CMake
55 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.cfg configuration::
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#
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# docopt: --omp Enable OpenMP parallelization [default: False].
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# define: '-DENABLE_OPENMP=%s' % arguments['--omp']
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option(ENABLE_OPENMP "Enable OpenMP parallelization" OFF)
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if(ENABLE_OPENMP)
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find_package(OpenMP)
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if(OPENMP_FOUND)
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if(DEFINED CMAKE_Fortran_COMPILER_ID)
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# the following works with recent CMake (added Aug 2014)
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# set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} ${OpenMP_Fortran_FLAGS}")
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# therefore we use a pedestrian approach:
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if(CMAKE_Fortran_COMPILER_ID MATCHES GNU)
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set(CMAKE_Fortran_FLAGS "${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 "${CMAKE_Fortran_FLAGS} -qsmp")
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endif()
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if(CMAKE_Fortran_COMPILER_ID MATCHES Cray)
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# do nothing in this case
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endif()
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endif()
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if(DEFINED CMAKE_C_COMPILER_ID)
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set(CMAKE_C_FLAGS "${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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