#.rst:
#
# Enables static linking by appending corresponding compiler flags.
#
# Variables modified (provided the corresponding language is enabled)::
#
#   CMAKE_Fortran_FLAGS
#   CMAKE_C_FLAGS
#   CMAKE_CXX_FLAGS
#
# Example autocmake.cfg entry::
#
#   [static_linking]
#   source: https://github.com/scisoft/autocmake/raw/master/modules/static_linking.cmake
#   docopt: --static Enable static linking [default: False].
#   define: '-DENABLE_STATIC_LINKING=%s' % arguments['--static']

option(ENABLE_STATIC_LINKING "Enable static libraries linking" OFF)

if(ENABLE_STATIC_LINKING)
    if(DEFINED CMAKE_Fortran_COMPILER_ID)
        if(CMAKE_Fortran_COMPILER_ID MATCHES GNU)
            set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -static")
        endif()
        if(CMAKE_Fortran_COMPILER_ID MATCHES Intel)
            set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -static-libgcc -static-intel")
        endif()
        if(CMAKE_Fortran_COMPILER_ID MATCHES PGI)
            set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Bstatic")
        endif()
    endif()

    if(DEFINED CMAKE_C_COMPILER_ID)
        if(CMAKE_C_COMPILER_ID MATCHES GNU)
            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static -fpic")
        endif()
        if(CMAKE_C_COMPILER_ID MATCHES Clang)
            set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Bstatic -fpic")
        endif()
    endif()
endif()