diff options
Diffstat (limited to 'Modules/CheckVariableExists.cmake')
| -rw-r--r-- | Modules/CheckVariableExists.cmake | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/Modules/CheckVariableExists.cmake b/Modules/CheckVariableExists.cmake index 9832891..7d6c794 100644 --- a/Modules/CheckVariableExists.cmake +++ b/Modules/CheckVariableExists.cmake @@ -1,6 +1,6 @@ # - Check if the variable exists. # CHECK_VARIABLE_EXISTS(VAR VARIABLE) -# +# # VAR - the name of the variable # VARIABLE - variable to store the result # @@ -26,14 +26,19 @@ # (To distribute this file outside of CMake, substitute the full # License text for the above reference.) +INCLUDE("${CMAKE_CURRENT_LIST_DIR}/CMakeExpandImportedTargets.cmake") + + MACRO(CHECK_VARIABLE_EXISTS VAR VARIABLE) IF("${VARIABLE}" MATCHES "^${VARIABLE}$") - SET(MACRO_CHECK_VARIABLE_DEFINITIONS + SET(MACRO_CHECK_VARIABLE_DEFINITIONS "-DCHECK_VARIABLE_EXISTS=${VAR} ${CMAKE_REQUIRED_FLAGS}") 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 - "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") + "-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}") ELSE(CMAKE_REQUIRED_LIBRARIES) SET(CHECK_VARIABLE_EXISTS_ADD_LIBRARIES) ENDIF(CMAKE_REQUIRED_LIBRARIES) @@ -47,13 +52,13 @@ MACRO(CHECK_VARIABLE_EXISTS VAR VARIABLE) 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 + 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 + 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}) |