diff options
Diffstat (limited to 'Modules/CheckVariableExists.cmake')
| -rw-r--r-- | Modules/CheckVariableExists.cmake | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Modules/CheckVariableExists.cmake b/Modules/CheckVariableExists.cmake index b6e3a78..9648964 100644 --- a/Modules/CheckVariableExists.cmake +++ b/Modules/CheckVariableExists.cmake @@ -8,15 +8,23 @@ MACRO(CHECK_VARIABLE_EXISTS VAR VARIABLE) IF("${VARIABLE}" MATCHES "^${VARIABLE}$") SET(MACRO_CHECK_VARIABLE_DEFINITIONS -DCHECK_VARIABLE_EXISTS=${VAR}) + MESSAGE(STATUS "Looking for ${VARIABLE}") + IF(CMAKE_REQUIRED_LIBRARIES) + SET(CHECK_VARIABLE_EXISTS_ADD_LIBRARIES + "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") + ENDIF(CMAKE_REQUIRED_LIBRARIES) TRY_COMPILE(${VARIABLE} ${CMAKE_BINARY_DIR} ${CMAKE_ROOT}/Modules/CheckVariableExists.c CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${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 ${VARIABLE} - found") ELSE(${VARIABLE}) SET(${VARIABLE} "" CACHE INTERNAL "Have variable ${VAR}") + MESSAGE(STATUS "Looking for ${VARIABLE} - not found") WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeError.log "Determining if the variable ${VAR} exists failed with the following output:\n" "${OUTPUT}\n" APPEND) |