autocmake/modules/fc.cmake
2015-06-10 15:25:24 +02:00

53 lines
1.4 KiB
CMake

#.rst:
#
# Adds Fortran support.
# Appends EXTRA_FCFLAGS to CMAKE_Fortran_FLAGS.
# If environment variable FCFLAGS is set, then the FCFLAGS are used
# and no other flags are used or appended.
#
# Variables used::
#
# EXTRA_FCFLAGS
#
# Variables defined::
#
# CMAKE_Fortran_MODULE_DIRECTORY (${PROJECT_BINARY_DIR}/include/fortran)
#
# Variables modified::
#
# CMAKE_Fortran_FLAGS
#
# Environment variables used::
#
# FCFLAGS
#
# Example autocmake.cfg entry::
#
# [fc]
# source: https://github.com/scisoft/autocmake/raw/master/modules/fc.cmake
# docopt: --fc=<FC> Fortran compiler [default: gfortran].
# --extra-fc-flags=<EXTRA_FCFLAGS> Extra Fortran compiler flags [default: ''].
# export: 'FC=%s' % arguments['--fc']
# define: '-DEXTRA_FCFLAGS="%s"' % arguments['--extra-fc-flags']
enable_language(Fortran)
set(CMAKE_Fortran_MODULE_DIRECTORY ${PROJECT_BINARY_DIR}/include/fortran)
if(NOT DEFINED CMAKE_Fortran_COMPILER_ID)
message(FATAL_ERROR "CMAKE_Fortran_COMPILER_ID variable is not defined!")
endif()
if(NOT CMAKE_Fortran_COMPILER_WORKS)
message(FATAL_ERROR "CMAKE_Fortran_COMPILER_WORKS is false!")
endif()
if(DEFINED EXTRA_FCFLAGS)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} ${EXTRA_FCFLAGS}")
endif()
if(DEFINED ENV{FCFLAGS})
message(STATUS "FCFLAGS is set to '$ENV{FCFLAGS}'.")
set(CMAKE_Fortran_FLAGS "$ENV{FCFLAGS}")
endif()