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augment clang preset so that it switches the fortran standard for flang

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flang (the one officially included in clang) currently only supports f2018
This commit is contained in:
Axel Kohlmeyer
2022-09-10 02:48:16 -04:00
parent f04e727d9f
commit 8030fc09e3
2 changed files with 11 additions and 4 deletions
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13
cmake/presets/clang.cmake
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@ -3,6 +3,13 @@
# prefer flang over gfortran, if available
find_program(CLANG_FORTRAN NAMES flang gfortran f95)
set(ENV{OMPI_FC} ${CLANG_FORTRAN})
get_filename_component(_tmp_fc ${CLANG_FORTRAN} NAME)
if (_tmp_fc STREQUAL "flang")
set(FC_STD_VERSION "-std=f2018")
set(BUILD_MPI OFF)
else()
set(FC_STD_VERSION "-std=f2003")
endif()
set(CMAKE_CXX_COMPILER "clang++" CACHE STRING "" FORCE)
set(CMAKE_C_COMPILER "clang" CACHE STRING "" FORCE)
@ -10,9 +17,9 @@ set(CMAKE_Fortran_COMPILER ${CLANG_FORTRAN} CACHE STRING "" FORCE)
set(CMAKE_CXX_FLAGS_DEBUG "-Wall -Wextra -g" CACHE STRING "" FORCE)
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-Wall -Wextra -g -O2 -DNDEBUG" CACHE STRING "" FORCE)
set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "" FORCE)
set(CMAKE_Fortran_FLAGS_DEBUG "-Wall -Wextra -g -std=f2003" CACHE STRING "" FORCE)
set(CMAKE_Fortran_FLAGS_RELWITHDEBINFO "-Wall -Wextra -g -O2 -DNDEBUG -std=f2003" CACHE STRING "" FORCE)
set(CMAKE_Fortran_FLAGS_RELEASE "-O3 -DNDEBUG -std=f2003" CACHE STRING "" FORCE)
set(CMAKE_Fortran_FLAGS_DEBUG "-Wall -Wextra -g ${FC_STD_VERSION}" CACHE STRING "" FORCE)
set(CMAKE_Fortran_FLAGS_RELWITHDEBINFO "-Wall -Wextra -g -O2 -DNDEBUG ${FC_STD_VERSION}" CACHE STRING "" FORCE)
set(CMAKE_Fortran_FLAGS_RELEASE "-O3 -DNDEBUG ${FC_STD_VERSION}" CACHE STRING "" FORCE)
set(CMAKE_C_FLAGS_DEBUG "-Wall -Wextra -g" CACHE STRING "" FORCE)
set(CMAKE_C_FLAGS_RELWITHDEBINFO "-Wall -Wextra -g -O2 -DNDEBUG" CACHE STRING "" FORCE)
set(CMAKE_C_FLAGS_RELEASE "-O3 -DNDEBUG" CACHE STRING "" FORCE)