diff options
Diffstat (limited to 'Modules/CheckIncludeFileCXX.cmake')
| -rw-r--r-- | Modules/CheckIncludeFileCXX.cmake | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Modules/CheckIncludeFileCXX.cmake b/Modules/CheckIncludeFileCXX.cmake index f165b48e0d..9d8eaac1e1 100644 --- a/Modules/CheckIncludeFileCXX.cmake +++ b/Modules/CheckIncludeFileCXX.cmake @@ -7,8 +7,20 @@ # An optional third argument is the CFlags to add to the compile line # or you can use CMAKE_REQUIRED_FLAGS. # +# 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 +# MACRO(CHECK_INCLUDE_FILE_CXX INCLUDE VARIABLE) IF("${VARIABLE}" MATCHES "^${VARIABLE}$") + IF(CMAKE_REQUIRED_INCLUDES) + SET(CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS "-DINCLUDE_DIRECTORIES=${CMAKE_REQUIRED_INCLUDES}") + ELSE(CMAKE_REQUIRED_INCLUDES) + SET(CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS) + ENDIF(CMAKE_REQUIRED_INCLUDES) SET(MACRO_CHECK_INCLUDE_FILE_FLAGS ${CMAKE_REQUIRED_FLAGS}) SET(CHECK_INCLUDE_FILE_VAR ${INCLUDE}) CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CheckIncludeFile.cxx.in @@ -22,8 +34,10 @@ MACRO(CHECK_INCLUDE_FILE_CXX INCLUDE VARIABLE) TRY_COMPILE(${VARIABLE} ${CMAKE_BINARY_DIR} ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckIncludeFile.cxx + COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_INCLUDE_FILE_FLAGS} + "${CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS}" OUTPUT_VARIABLE OUTPUT) IF(${ARGC} EQUAL 3) |