fortran value library

CMakeLists.txt

project (fortran_value)
enable_language (Fortran)

set (CMAKE_Fortran_FLAGS_RELEASE "-f77rtl -O3")
set (CMAKE_Fortran_FLAGS_DEBUG   "-f77rtl")

add_compile_options(/MP)
add_compile_options(/extend_source:132)

add_compile_options($<$<CONFIG:Debug>:/libs:static>)
add_compile_options($<$<CONFIG:Debug>:/dbglibs>)
add_compile_options($<$<CONFIG:Debug>:/threads>)
add_compile_options($<$<CONFIG:Debug>:/Od>)

add_compile_options($<$<CONFIG:RelWithDebInfo>:/libs:static>)
add_compile_options($<$<CONFIG:RelWithDebInfo>:/threads>)
add_compile_options($<$<CONFIG:RelWithDebInfo>:/O2>)

add_compile_options($<$<CONFIG:Release>:/libs:static>)
add_compile_options($<$<CONFIG:Release>:/threads>)
add_compile_options($<$<CONFIG:Release>:/O2>)

set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)

add_library(${PROJECT_NAME} SHARED value.f)

VALUE.CMN

      REAL VALUE
      COMMON /LAUPFM/ VALUE

value.f

      REAL FUNCTION getValue()
!DEC$ ATTRIBUTES DLLEXPORT, c:: getValue
	IMPLICIT NONE
	INCLUDE 'VALUE.CMN'

      getValue = VALUE
	RETURN
      END FUNCTION getValue

      
	SUBROUTINE setValue(x)
!DEC$ ATTRIBUTES DLLEXPORT, c:: setValue
	IMPLICIT NONE 
	INCLUDE 'VALUE.CMN'

      REAL, INTENT(IN) :: x
    
      VALUE = x

      END SUBROUTINE setValue