diff options
Diffstat (limited to 'Modules/CheckIncludeFileCXX.cmake')
| -rw-r--r-- | Modules/CheckIncludeFileCXX.cmake | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Modules/CheckIncludeFileCXX.cmake b/Modules/CheckIncludeFileCXX.cmake index 2ad5cf105b..0fe6a5c579 100644 --- a/Modules/CheckIncludeFileCXX.cmake +++ b/Modules/CheckIncludeFileCXX.cmake @@ -4,6 +4,7 @@ # CHECK_INCLUDE_FILE - macro which checks the include file exists. # INCLUDE - name of include file # VARIABLE - variable to return result +# OPTIONAL - a third argument can be extra flags which are passed to the compiler # MACRO(CHECK_INCLUDE_FILE_CXX INCLUDE VARIABLE) @@ -12,10 +13,20 @@ MACRO(CHECK_INCLUDE_FILE_CXX INCLUDE VARIABLE) SET(CHECK_INCLUDE_FILE_VAR ${INCLUDE}) CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CheckIncludeFile.cxx.in ${CMAKE_BINARY_DIR}/CMakeTmp/CheckIncludeFile.cxx IMMEDIATE) + IF(${ARGC} EQUAL 2) + SET(CMAKE_CXX_FLAGS_SAVE ${CMAKE_CXX_FLAGS}) + SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ARGV2}") + ENDIF(${ARGC} EQUAL 2) + TRY_COMPILE(${VARIABLE} ${CMAKE_BINARY_DIR} ${CMAKE_BINARY_DIR}/CMakeTmp/CheckIncludeFile.cxx OUTPUT_VARIABLE OUTPUT) + + IF(${ARGC} EQUAL 2) + SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS_SAVE}) + ENDIF(${ARGC} EQUAL 2) + IF(${VARIABLE}) MESSAGE(STATUS "Checking for CXX include file ${INCLUDE} -- found") SET(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}") |