mirror of
https://github.com/reactos/CMake.git
synced 2024-11-24 03:59:58 +00:00
31 lines
1.2 KiB
CMake
31 lines
1.2 KiB
CMake
#
|
|
# Check if the function exists.
|
|
#
|
|
# CHECK_LIBRARY_EXISTS - macro which checks if the function exists
|
|
# FUNCTION - the name of the function
|
|
# VARIABLE - variable to store the result
|
|
#
|
|
|
|
MACRO(CHECK_LIBRARY_EXISTS LIBRARY FUNCTION LOCATION VARIABLE)
|
|
SET(MACRO_CHECK_LIBRARY_EXISTS_DEFINITION -DCHECK_FUNCTION_EXISTS=${FUNCTION})
|
|
MESSAGE("Lib: ${LIBRARY} FUN: ${FUNCTION} LOC: ${LOCATION} VAR: ${VARIABLE} ")
|
|
TRY_COMPILE(${VARIABLE}
|
|
${PROJECT_BINARY_DIR}
|
|
${CMAKE_ROOT}/Modules/CheckFunctionExists.c
|
|
CMAKE_FLAGS
|
|
-DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_LIBRARY_EXISTS_DEFINITION}
|
|
-DLINK_DIRECTORIES:STRING=${LOCATION}
|
|
-DLINK_LIBRARIES:STRING=${LIBRARY}
|
|
OUTPUT_VARIABLE OUTPUT)
|
|
|
|
IF(${VARIABLE})
|
|
SET(${VARIABLE} 1 CACHE INTERNAL "Have library ${LIBRARY}")
|
|
ELSE(${VARIABLE})
|
|
SET(${VARIABLE} "" CACHE INTERNAL "Have library ${LIBRARY}")
|
|
WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log
|
|
"Determining if the function ${FUNCTION} exists in the ${LIBRARY} "
|
|
"failed with the following output:\n"
|
|
"${OUTPUT}\n" APPEND)
|
|
ENDIF(${VARIABLE})
|
|
ENDMACRO(CHECK_LIBRARY_EXISTS)
|