autocmake/modules/int64.cmake
2015-06-20 12:52:39 +02:00

34 lines
1.1 KiB
CMake

#.rst:
#
# Enables 64-bit integer support for Fortran projects.
#
# Variables modified (provided the corresponding language is enabled)::
#
# CMAKE_Fortran_FLAGS
#
# Example autocmake.cfg entry::
#
# [int64]
# source: https://github.com/scisoft/autocmake/raw/master/modules/int64.cmake
# docopt: --int64 Enable 64bit integers [default: False].
# define: '-DENABLE_64BIT_INTEGERS=%s' % arguments['--int64']
option(ENABLE_64BIT_INTEGERS "Enable 64-bit integers" OFF)
if(ENABLE_64BIT_INTEGERS)
if(DEFINED CMAKE_Fortran_COMPILER_ID)
if(CMAKE_Fortran_COMPILER_ID MATCHES GNU)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fdefault-integer-8")
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES Intel)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -i8")
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES PGI)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -i8")
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES XL)
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -qintsize=8 -q64")
endif()
endif()
endif()