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| author | Brad King <brad.king@kitware.com> | 2002-12-13 19:58:55 (GMT) |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2002-12-13 19:58:55 (GMT) |
| commit | 7e824e83a9c97234f23640188c590201eeffea5d (patch) | |
| tree | 6ead7ffa2b19307549baa6d5156153dbcc5deeaf /Modules/CheckIncludeFileCXX.cmake | |
| parent | 858c6c9a02bc2f0a8ab1a9a6f4ab7f3c353ef049 (diff) | |
| download | CMake-7e824e83a9c97234f23640188c590201eeffea5d.zip CMake-7e824e83a9c97234f23640188c590201eeffea5d.tar.gz CMake-7e824e83a9c97234f23640188c590201eeffea5d.tar.bz2 | |
ENH: Don't repeat check even if answer was no.
Diffstat (limited to 'Modules/CheckIncludeFileCXX.cmake')
| -rw-r--r-- | Modules/CheckIncludeFileCXX.cmake | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/Modules/CheckIncludeFileCXX.cmake b/Modules/CheckIncludeFileCXX.cmake index 265bbfc..5b2a77c 100644 --- a/Modules/CheckIncludeFileCXX.cmake +++ b/Modules/CheckIncludeFileCXX.cmake @@ -7,24 +7,26 @@ # MACRO(CHECK_INCLUDE_FILE_CXX INCLUDE VARIABLE) - MESSAGE(STATUS "Checking for CXX include file ${INCLUDE}") - SET(CHECK_INCLUDE_FILE_VAR ${INCLUDE}) - CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CheckIncludeFile.cxx.in - ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.cxx IMMEDIATE) - TRY_COMPILE(${VARIABLE} - ${PROJECT_BINARY_DIR} - ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.cxx - CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${CMAKE_ANSI_CXXFLAGS} - OUTPUT_VARIABLE OUTPUT) - IF(${VARIABLE}) - MESSAGE(STATUS "Checking for CXX include file ${INCLUDE} -- found") - SET(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}") - ELSE(${VARIABLE}) - MESSAGE(STATUS "Checking for CXX include file ${INCLUDE} -- not found") - SET(${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(${VARIABLE}) + IF("${VARIABLE}" MATCHES "^${VARIABLE}$") + MESSAGE(STATUS "Checking for CXX include file ${INCLUDE}") + SET(CHECK_INCLUDE_FILE_VAR ${INCLUDE}) + CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CheckIncludeFile.cxx.in + ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.cxx IMMEDIATE) + TRY_COMPILE(${VARIABLE} + ${PROJECT_BINARY_DIR} + ${PROJECT_BINARY_DIR}/CMakeTmp/CheckIncludeFile.cxx + CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${CMAKE_ANSI_CXXFLAGS} + OUTPUT_VARIABLE OUTPUT) + IF(${VARIABLE}) + MESSAGE(STATUS "Checking for CXX include file ${INCLUDE} -- found") + SET(${VARIABLE} 1 CACHE INTERNAL "Have include ${INCLUDE}") + ELSE(${VARIABLE}) + MESSAGE(STATUS "Checking for CXX include file ${INCLUDE} -- not found") + SET(${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(${VARIABLE}) + ENDIF("${VARIABLE}" MATCHES "^${VARIABLE}$") ENDMACRO(CHECK_INCLUDE_FILE_CXX) |