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Diffstat (limited to 'Modules/CheckFortranSourceCompiles.cmake')
-rw-r--r-- | Modules/CheckFortranSourceCompiles.cmake | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/Modules/CheckFortranSourceCompiles.cmake b/Modules/CheckFortranSourceCompiles.cmake new file mode 100644 index 000000000..c42254cd9 --- /dev/null +++ b/Modules/CheckFortranSourceCompiles.cmake @@ -0,0 +1,106 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#.rst: +# CheckFortranSourceCompiles +# -------------------------- +# +# Check if given Fortran source compiles and links into an executable:: +# +# CHECK_Fortran_SOURCE_COMPILES(<code> <var> [FAIL_REGEX <fail-regex>] +# [SRC_EXT <ext>]) +# +# The arguments are: +# +# ``<code>`` +# Source code to try to compile. It must define a PROGRAM entry point. +# ``<var>`` +# Variable to store whether the source code compiled. +# Will be created as an internal cache variable. +# ``FAIL_REGEX <fail-regex>`` +# Fail if test output matches this regex. +# ``SRC_EXT <ext>`` +# Use source extension ``.<ext>`` instead of the default ``.F``. +# +# The following variables may be set before calling this macro to modify +# the way the check is run:: +# +# CMAKE_REQUIRED_FLAGS = string of compile command line flags +# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar) +# CMAKE_REQUIRED_INCLUDES = list of include directories +# CMAKE_REQUIRED_LIBRARIES = list of libraries to link +# CMAKE_REQUIRED_QUIET = execute quietly without messages + +macro(CHECK_Fortran_SOURCE_COMPILES SOURCE VAR) + if(NOT DEFINED "${VAR}") + set(_FAIL_REGEX) + set(_SRC_EXT) + set(_key) + foreach(arg ${ARGN}) + if("${arg}" MATCHES "^(FAIL_REGEX|SRC_EXT)$") + set(_key "${arg}") + elseif(_key) + list(APPEND _${_key} "${arg}") + else() + message(FATAL_ERROR "Unknown argument:\n ${arg}\n") + endif() + endforeach() + if(NOT _SRC_EXT) + set(_SRC_EXT F) + endif() + set(MACRO_CHECK_FUNCTION_DEFINITIONS + "-D${VAR} ${CMAKE_REQUIRED_FLAGS}") + if(CMAKE_REQUIRED_LIBRARIES) + set(CHECK_Fortran_SOURCE_COMPILES_ADD_LIBRARIES + LINK_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}) + else() + set(CHECK_Fortran_SOURCE_COMPILES_ADD_LIBRARIES) + endif() + if(CMAKE_REQUIRED_INCLUDES) + set(CHECK_Fortran_SOURCE_COMPILES_ADD_INCLUDES + "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") + else() + set(CHECK_Fortran_SOURCE_COMPILES_ADD_INCLUDES) + endif() + file(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.${_SRC_EXT}" + "${SOURCE}\n") + + if(NOT CMAKE_REQUIRED_QUIET) + message(STATUS "Performing Test ${VAR}") + endif() + try_compile(${VAR} + ${CMAKE_BINARY_DIR} + ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.${_SRC_EXT} + COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + ${CHECK_Fortran_SOURCE_COMPILES_ADD_LIBRARIES} + CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS} + "${CHECK_Fortran_SOURCE_COMPILES_ADD_INCLUDES}" + OUTPUT_VARIABLE OUTPUT) + + foreach(_regex ${_FAIL_REGEX}) + if("${OUTPUT}" MATCHES "${_regex}") + set(${VAR} 0) + endif() + endforeach() + + if(${VAR}) + set(${VAR} 1 CACHE INTERNAL "Test ${VAR}") + if(NOT CMAKE_REQUIRED_QUIET) + message(STATUS "Performing Test ${VAR} - Success") + endif() + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log + "Performing Fortran SOURCE FILE Test ${VAR} succeeded with the following output:\n" + "${OUTPUT}\n" + "Source file was:\n${SOURCE}\n") + else() + if(NOT CMAKE_REQUIRED_QUIET) + message(STATUS "Performing Test ${VAR} - Failed") + endif() + set(${VAR} "" CACHE INTERNAL "Test ${VAR}") + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + "Performing Fortran SOURCE FILE Test ${VAR} failed with the following output:\n" + "${OUTPUT}\n" + "Source file was:\n${SOURCE}\n") + endif() + endif() +endmacro() |