diff options
Diffstat (limited to 'Modules/CheckIncludeFiles.cmake')
| -rw-r--r-- | Modules/CheckIncludeFiles.cmake | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/Modules/CheckIncludeFiles.cmake b/Modules/CheckIncludeFiles.cmake index b303260..f52ab55 100644 --- a/Modules/CheckIncludeFiles.cmake +++ b/Modules/CheckIncludeFiles.cmake @@ -10,7 +10,7 @@ be included together. .. command:: CHECK_INCLUDE_FILES - :: + .. code-block:: cmake CHECK_INCLUDE_FILES("<includes>" <variable> [LANGUAGE <language>]) @@ -19,24 +19,28 @@ be included together. entry named ``<variable>``. Specify the ``<includes>`` argument as a :ref:`;-list <CMake Language Lists>` of header file names. -If LANGUAGE is set, the specified compiler will be used to perform the -check. Acceptable values are ``C`` and ``CXX``. If not set, the C compiler -will be used if enabled. If the C compiler is not enabled, the C++ -compiler will be used if enabled. + If ``LANGUAGE`` is set, the specified compiler will be used to perform the + check. Acceptable values are ``C`` and ``CXX``. If not set, the C compiler + will be used if enabled. If the C compiler is not enabled, the C++ + compiler will be used if enabled. 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 modules :module:`CheckIncludeFile` and :module:`CheckIncludeFileCXX` to check for a single header file in ``C`` or ``CXX`` languages. @@ -98,6 +102,11 @@ macro(CHECK_INCLUDE_FILES INCLUDE VARIABLE) set(_description "include file ${_INCLUDE}") 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 @@ -128,11 +137,13 @@ macro(CHECK_INCLUDE_FILES INCLUDE VARIABLE) ${CMAKE_BINARY_DIR} ${src} COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + ${_CIF_LINK_OPTIONS} ${_CIF_LINK_LIBRARIES} CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_INCLUDE_FILES_FLAGS} "${CHECK_INCLUDE_FILES_INCLUDE_DIRS}" OUTPUT_VARIABLE OUTPUT) + unset(_CIF_LINK_OPTIONS) unset(_CIF_LINK_LIBRARIES) if(${VARIABLE}) if(NOT CMAKE_REQUIRED_QUIET) |