diff options
Diffstat (limited to 'Modules/CheckIncludeFile.cmake')
| -rw-r--r-- | Modules/CheckIncludeFile.cmake | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/Modules/CheckIncludeFile.cmake b/Modules/CheckIncludeFile.cmake index 16fdb86..b4e0929 100644 --- a/Modules/CheckIncludeFile.cmake +++ b/Modules/CheckIncludeFile.cmake @@ -7,23 +7,25 @@ # MACRO(CHECK_INCLUDE_FILE INCLUDE VARIABLE) - SET(CHECK_INCLUDE_FILE_VAR ${INCLUDE}) - CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CheckIncludeFile.c.in - ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.c IMMEDIATE) - MESSAGE(STATUS "Looking for ${INCLUDE}") - TRY_COMPILE(${VARIABLE} - ${PROJECT_BINARY_DIR} - ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.c - OUTPUT_VARIABLE OUTPUT) - IF(${VARIABLE}) - MESSAGE(STATUS "Found ${INCLUDE}") - SET(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}") - ELSE(${VARIABLE}) - MESSAGE(STATUS "${INCLUDE} not found.") - SET(${VARIABLE} "" CACHE INTERNAL "Have include ${INCLUDE}") - WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log - "Determining if the include file ${INCLUDE} " - "exists failed with the following output:\n" - "${OUTPUT}\n" APPEND) - ENDIF(${VARIABLE}) + IF(NOT ${VARIABLE}) + SET(CHECK_INCLUDE_FILE_VAR ${INCLUDE}) + CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CheckIncludeFile.c.in + ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.c IMMEDIATE) + MESSAGE(STATUS "Looking for ${INCLUDE}") + TRY_COMPILE(${VARIABLE} + ${PROJECT_BINARY_DIR} + ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.c + OUTPUT_VARIABLE OUTPUT) + IF(${VARIABLE}) + MESSAGE(STATUS "Looking for ${INCLUDE} - found") + SET(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}") + ELSE(${VARIABLE}) + MESSAGE(STATUS "Looking for ${INCLUDE} - not found.") + SET(${VARIABLE} "" CACHE INTERNAL "Have include ${INCLUDE}") + WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log + "Determining if the include file ${INCLUDE} " + "exists failed with the following output:\n" + "${OUTPUT}\n" APPEND) + ENDIF(${VARIABLE}) + ENDIF(NOT ${VARIABLE}) ENDMACRO(CHECK_INCLUDE_FILE) |