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# (C) Copyright 2020- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation
# nor does it submit to any jurisdiction.
if( CMAKE_Fortran_COMPILER_ID MATCHES "XL" )
ecbuild_add_fortran_flags("-qextname -qnobindcextname")
elseif( CMAKE_Fortran_COMPILER_ID MATCHES "GNU" )
# gfortran 10 has become stricter with argument matching
if( NOT CMAKE_Fortran_COMPILER_VERSION VERSION_LESS 10 )
ecbuild_add_fortran_flags("-fallow-argument-mismatch")
endif()
elseif( CMAKE_Fortran_COMPILER_ID MATCHES "NVHPC" )
ecbuild_add_fortran_flags("-Mlarge_arrays")
# should really be part of configuration, or ecbuild default?
ecbuild_add_fortran_flags("-traceback" BUILD DEBUG )
ecbuild_add_fortran_flags("-fast" BUILD RELEASE )
ecbuild_add_fortran_flags("-gopt -fast" BUILD RELWITHDEBINFO )
elseif( CMAKE_Fortran_COMPILER_ID MATCHES "Cray" )
ecbuild_add_fortran_flags("-hnomessage=878") # A module named ... has already been directly or indirectly use associated into this scope
ecbuild_add_fortran_flags("-hnomessage=867") # Module ... has no public objects declared in the module, therefore nothing can be use associated from the module.
ecbuild_add_fortran_flags("-M7256") # An OpenMP parallel construct in a target region is limited to a single thread.
elseif( CMAKE_Fortran_COMPILER_ID MATCHES "IntelLLVM" )
ecbuild_add_fortran_flags("-march=core-avx2 -no-fma" BUILD BIT)
ecbuild_add_fortran_flags("-fp-model precise -fp-speculation=safe")
elseif( CMAKE_Fortran_COMPILER_ID MATCHES "Intel" )
ecbuild_add_fortran_flags("-march=core-avx2 -no-fma" BUILD BIT)
ecbuild_add_fortran_flags("-fast-transcendentals -fp-model precise -fp-speculation=safe")
endif()
if( NOT DEFINED ECTRANS_HAVE_CONTIGUOUS_ISSUE )
if( CMAKE_Fortran_COMPILER_ID MATCHES "Intel" )
if( CMAKE_Fortran_COMPILER_VERSION VERSION_LESS_EQUAL 19)
set( ECTRANS_HAVE_CONTIGUOUS_ISSUE True )
endif()
elseif( CMAKE_Fortran_COMPILER_ID MATCHES "GNU" )
# GCC versions 9.2, 11.2, 12.2, 13.3, 14.2 are all known to have an issue with `contiguous`
# Logic below is defensive and assumes future versions of gcc are likely to also have the issue
if( CMAKE_Fortran_COMPILER_VERSION VERSION_GREATER_EQUAL 9 )
set( ECTRANS_HAVE_CONTIGUOUS_ISSUE True )
endif()
endif()
endif()
macro( ectrans_add_compile_options )
set( options NOFAIL )
set( single_value_args FLAGS)
set( multi_value_args SOURCES )
cmake_parse_arguments( _PAR "${options}" "${single_value_args}" "${multi_value_args}" ${_FIRST_ARG} ${ARGN} )
if(_PAR_UNPARSED_ARGUMENTS)
ecbuild_critical("Unknown keywords given to ectrans_add_compile_flags(): \"${_PAR_UNPARSED_ARGUMENTS}\"")
endif()
if(NOT _PAR_SOURCES)
ecbuild_critical("SOURCES keyword missing to ectrans_add_compile_flags()")
endif()
if(NOT _PAR_FLAGS)
ecbuild_critical("FLAGS keyword missing to ectrans_add_compile_flags()")
endif()
foreach( _file ${_PAR_SOURCES} )
ecbuild_warn("Adding custom compile flags for file ${_file} : [${_PAR_FLAGS}]")
if( NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${_file} AND NOT _PAR_NOFAIL)
ecbuild_error("${_file} does not exist")
endif()
set_source_files_properties( ${_file} PROPERTIES COMPILE_FLAGS "${_PAR_FLAGS}" )
endforeach()
endmacro()
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