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set Fortran OMP flags only if OpenMP_Fortran_FLAGS are not set; fixes #177

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also fix Intel Fortran OMP depending on the version of the compiler
thanks to Lori A. Burns for the changeset
This commit is contained in:
Radovan Bast 2016-08-24 08:12:55 +02:00
parent 08d0a6837b
commit 8ba73f5a1d
1 changed files with 30 additions and 19 deletions
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49
modules/omp.cmake
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@ -21,25 +21,6 @@
option(ENABLE_OPENMP "Enable OpenMP parallelization" OFF)
if(ENABLE_OPENMP)
if(DEFINED CMAKE_Fortran_COMPILER_ID)
# we do this in a pedestrian way because the Fortran support is relatively recent
if(CMAKE_Fortran_COMPILER_ID MATCHES GNU)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fopenmp")
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES Intel)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -openmp")
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES PGI)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -mp")
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES XL)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -qsmp")
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES Cray)
# do nothing in this case
endif()
set(OPENMP_FOUND TRUE)
endif()
if(NOT OPENMP_FOUND)
find_package(OpenMP)
@ -53,5 +34,35 @@ if(ENABLE_OPENMP)
if(DEFINED CMAKE_CXX_COMPILER_ID)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
endif()
if(DEFINED CMAKE_Fortran_COMPILER_ID)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} ${OpenMP_Fortran_FLAGS}")
endif()
endif()
if(DEFINED CMAKE_Fortran_COMPILER_ID AND NOT DEFINED OpenMP_Fortran_FLAGS)
# we do this in a pedestrian way because the Fortran support is relatively recent
if(CMAKE_Fortran_COMPILER_ID MATCHES GNU)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fopenmp")
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES Intel)
if(WIN32)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Qopenmp")
elseif(CMAKE_Fortran_COMPILER_ID STREQUAL "Intel" AND
"${CMAKE_Fortran_COMPILER_VERSION}" VERSION_LESS "15.0.0.20140528")
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -openmp")
else()
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -qopenmp")
endif()
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES PGI)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -mp")
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES XL)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -qsmp")
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES Cray)
# do nothing in this case
endif()
set(OPENMP_FOUND TRUE)
endif()
endif()