diff options
Diffstat (limited to 'Modules/CheckFortranFunctionExists.cmake')
| -rw-r--r-- | Modules/CheckFortranFunctionExists.cmake | 61 |
1 files changed, 39 insertions, 22 deletions
diff --git a/Modules/CheckFortranFunctionExists.cmake b/Modules/CheckFortranFunctionExists.cmake index f3ced93d7..7ca205a6d 100644 --- a/Modules/CheckFortranFunctionExists.cmake +++ b/Modules/CheckFortranFunctionExists.cmake @@ -1,34 +1,50 @@ # Distributed under the OSI-approved BSD 3-Clause License. See accompanying # file Copyright.txt or https://cmake.org/licensing for details. -#.rst: -# CheckFortranFunctionExists -# -------------------------- -# -# macro which checks if the Fortran function exists -# -# CHECK_FORTRAN_FUNCTION_EXISTS(FUNCTION VARIABLE) -# -# :: -# -# FUNCTION - the name of the Fortran function -# VARIABLE - variable to store the result -# Will be created as an internal cache variable. -# -# -# -# The following variables may be set before calling this macro to modify -# the way the check is run: -# -# :: -# -# CMAKE_REQUIRED_LIBRARIES = list of libraries to link +#[=======================================================================[.rst: +CheckFortranFunctionExists +-------------------------- + +Check if a Fortran function exists. + +.. command:: CHECK_FORTRAN_FUNCTION_EXISTS + + .. code-block:: cmake + + CHECK_FORTRAN_FUNCTION_EXISTS(<function> <result>) + + where + + ``<function>`` + the name of the Fortran function + ``<result>`` + variable to store the result; will be created as an internal cache variable. + +The following variables may be set before calling this macro to modify +the way the check is run: + +``CMAKE_REQUIRED_LINK_OPTIONS`` + A :ref:`;-list <CMake Language Lists>` of options to add to the link + command (see :command:`try_compile` for further details). + +``CMAKE_REQUIRED_LIBRARIES`` + A :ref:`;-list <CMake Language Lists>` of libraries to add to the link + command. These can be the name of system libraries or they can be + :ref:`Imported Targets <Imported Targets>` (see :command:`try_compile` for + further details). +#]=======================================================================] include_guard(GLOBAL) macro(CHECK_FORTRAN_FUNCTION_EXISTS FUNCTION VARIABLE) if(NOT DEFINED ${VARIABLE}) message(STATUS "Looking for Fortran ${FUNCTION}") + if(CMAKE_REQUIRED_LINK_OPTIONS) + set(CHECK_FUNCTION_EXISTS_ADD_LINK_OPTIONS + LINK_OPTIONS ${CMAKE_REQUIRED_LINK_OPTIONS}) + else() + set(CHECK_FUNCTION_EXISTS_ADD_LINK_OPTIONS) + endif() if(CMAKE_REQUIRED_LIBRARIES) set(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES LINK_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}) @@ -47,6 +63,7 @@ macro(CHECK_FORTRAN_FUNCTION_EXISTS FUNCTION VARIABLE) try_compile(${VARIABLE} ${CMAKE_BINARY_DIR} ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f + ${CHECK_FUNCTION_EXISTS_ADD_LINK_OPTIONS} ${CHECK_FUNCTION_EXISTS_ADD_LIBRARIES} OUTPUT_VARIABLE OUTPUT ) |