diff options
Diffstat (limited to 'Modules/CheckIncludeFile.cmake')
| -rw-r--r-- | Modules/CheckIncludeFile.cmake | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/Modules/CheckIncludeFile.cmake b/Modules/CheckIncludeFile.cmake index 87dac4f..d7b9481 100644 --- a/Modules/CheckIncludeFile.cmake +++ b/Modules/CheckIncludeFile.cmake @@ -9,7 +9,7 @@ Provides a macro to check if a header file can be included in ``C``. .. command:: CHECK_INCLUDE_FILE - :: + .. code-block:: cmake CHECK_INCLUDE_FILE(<include> <variable> [<flags>]) @@ -22,15 +22,19 @@ 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 + string of compile command line flags. ``CMAKE_REQUIRED_DEFINITIONS`` - list of macros to define (-DFOO=bar) + a :ref:`;-list <CMake Language Lists>` of macros to define (-DFOO=bar). ``CMAKE_REQUIRED_INCLUDES`` - list of include directories + a :ref:`;-list <CMake Language Lists>` of header search paths to pass to + the compiler. +``CMAKE_REQUIRED_LINK_OPTIONS`` + a :ref:`;-list <CMake Language Lists>` of options to add to the link command. ``CMAKE_REQUIRED_LIBRARIES`` - A list of libraries to link. See policy :policy:`CMP0075`. + a :ref:`;-list <CMake Language Lists>` of libraries to add to the link + command. See policy :policy:`CMP0075`. ``CMAKE_REQUIRED_QUIET`` - execute quietly without messages + execute quietly without messages. See the :module:`CheckIncludeFiles` module to check for multiple headers at once. See the :module:`CheckIncludeFileCXX` module to check for headers @@ -58,6 +62,11 @@ macro(CHECK_INCLUDE_FILE INCLUDE VARIABLE) string(APPEND CMAKE_C_FLAGS " ${ARGV2}") endif() + set(_CIF_LINK_OPTIONS) + if(CMAKE_REQUIRED_LINK_OPTIONS) + set(_CIF_LINK_OPTIONS LINK_OPTIONS ${CMAKE_REQUIRED_LINK_OPTIONS}) + endif() + set(_CIF_LINK_LIBRARIES "") if(CMAKE_REQUIRED_LIBRARIES) cmake_policy(GET CMP0075 _CIF_CMP0075 @@ -85,11 +94,13 @@ macro(CHECK_INCLUDE_FILE INCLUDE VARIABLE) ${CMAKE_BINARY_DIR} ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckIncludeFile.c COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + ${_CIF_LINK_OPTIONS} ${_CIF_LINK_LIBRARIES} CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_INCLUDE_FILE_FLAGS} "${CHECK_INCLUDE_FILE_C_INCLUDE_DIRS}" OUTPUT_VARIABLE OUTPUT) + unset(_CIF_LINK_OPTIONS) unset(_CIF_LINK_LIBRARIES) if(${ARGC} EQUAL 3) |