diff options
Diffstat (limited to 'Modules/CheckVariableExists.cmake')
-rw-r--r-- | Modules/CheckVariableExists.cmake | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/Modules/CheckVariableExists.cmake b/Modules/CheckVariableExists.cmake index 7d6c794..48e848b 100644 --- a/Modules/CheckVariableExists.cmake +++ b/Modules/CheckVariableExists.cmake @@ -26,41 +26,41 @@ # (To distribute this file outside of CMake, substitute the full # License text for the above reference.) -INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake") +include("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake") -MACRO(CHECK_VARIABLE_EXISTS VAR VARIABLE) - IF("${VARIABLE}" MATCHES "^${VARIABLE}$") - SET(MACRO_CHECK_VARIABLE_DEFINITIONS +macro(CHECK_VARIABLE_EXISTS VAR VARIABLE) + if("${VARIABLE}" MATCHES "^${VARIABLE}$") + set(MACRO_CHECK_VARIABLE_DEFINITIONS "-DCHECK_VARIABLE_EXISTS=${VAR} ${CMAKE_REQUIRED_FLAGS}") - MESSAGE(STATUS "Looking for ${VAR}") - IF(CMAKE_REQUIRED_LIBRARIES) + message(STATUS "Looking for ${VAR}") + if(CMAKE_REQUIRED_LIBRARIES) # this one translates potentially used imported library targets to their files on disk CMAKE_EXPAND_IMPORTED_TARGETS(_ADJUSTED_CMAKE_REQUIRED_LIBRARIES LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CONFIGURATION "${CMAKE_TRY_COMPILE_CONFIGURATION}") - SET(CHECK_VARIABLE_EXISTS_ADD_LIBRARIES + set(CHECK_VARIABLE_EXISTS_ADD_LIBRARIES "-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}") - ELSE(CMAKE_REQUIRED_LIBRARIES) - SET(CHECK_VARIABLE_EXISTS_ADD_LIBRARIES) - ENDIF(CMAKE_REQUIRED_LIBRARIES) - TRY_COMPILE(${VARIABLE} + else(CMAKE_REQUIRED_LIBRARIES) + set(CHECK_VARIABLE_EXISTS_ADD_LIBRARIES) + endif(CMAKE_REQUIRED_LIBRARIES) + try_compile(${VARIABLE} ${CMAKE_BINARY_DIR} ${CMAKE_ROOT}/Modules/CheckVariableExists.c COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_VARIABLE_DEFINITIONS} "${CHECK_VARIABLE_EXISTS_ADD_LIBRARIES}" OUTPUT_VARIABLE OUTPUT) - IF(${VARIABLE}) - SET(${VARIABLE} 1 CACHE INTERNAL "Have variable ${VAR}") - MESSAGE(STATUS "Looking for ${VAR} - found") - FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log + if(${VARIABLE}) + set(${VARIABLE} 1 CACHE INTERNAL "Have variable ${VAR}") + message(STATUS "Looking for ${VAR} - found") + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log "Determining if the variable ${VAR} exists passed with the following output:\n" "${OUTPUT}\n\n") - ELSE(${VARIABLE}) - SET(${VARIABLE} "" CACHE INTERNAL "Have variable ${VAR}") - MESSAGE(STATUS "Looking for ${VAR} - not found") - FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + else(${VARIABLE}) + set(${VARIABLE} "" CACHE INTERNAL "Have variable ${VAR}") + message(STATUS "Looking for ${VAR} - not found") + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "Determining if the variable ${VAR} exists failed with the following output:\n" "${OUTPUT}\n\n") - ENDIF(${VARIABLE}) - ENDIF("${VARIABLE}" MATCHES "^${VARIABLE}$") -ENDMACRO(CHECK_VARIABLE_EXISTS) + endif(${VARIABLE}) + endif("${VARIABLE}" MATCHES "^${VARIABLE}$") +endmacro(CHECK_VARIABLE_EXISTS) |