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Add a way to add custom libraries to the mix. Also add status reporting

This commit is contained in:
Andy Cedilnik 2003-01-01 15:02:47 -05:00
parent 6d5c437045
commit 5e48ccac35
1 changed files with 8 additions and 0 deletions
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8
Modules/CheckVariableExists.cmake
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@ -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)