summaryrefslogtreecommitdiff
path: root/Modules/CheckFunctionExists.cmake
diff options
context:
space:
mode:
Diffstat (limited to 'Modules/CheckFunctionExists.cmake')
-rw-r--r--Modules/CheckFunctionExists.cmake54
1 files changed, 27 insertions, 27 deletions
diff --git a/Modules/CheckFunctionExists.cmake b/Modules/CheckFunctionExists.cmake
index 8c469f0..3f952e0 100644
--- a/Modules/CheckFunctionExists.cmake
+++ b/Modules/CheckFunctionExists.cmake
@@ -27,29 +27,29 @@
# (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_FUNCTION_EXISTS FUNCTION VARIABLE)
- IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
- SET(MACRO_CHECK_FUNCTION_DEFINITIONS
+macro(CHECK_FUNCTION_EXISTS FUNCTION VARIABLE)
+ if("${VARIABLE}" MATCHES "^${VARIABLE}$")
+ set(MACRO_CHECK_FUNCTION_DEFINITIONS
"-DCHECK_FUNCTION_EXISTS=${FUNCTION} ${CMAKE_REQUIRED_FLAGS}")
- MESSAGE(STATUS "Looking for ${FUNCTION}")
- IF(CMAKE_REQUIRED_LIBRARIES)
+ message(STATUS "Looking for ${FUNCTION}")
+ 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_FUNCTION_EXISTS_ADD_LIBRARIES
+ set(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES
"-DLINK_LIBRARIES:STRING=${_ADJUSTED_CMAKE_REQUIRED_LIBRARIES}")
- ELSE(CMAKE_REQUIRED_LIBRARIES)
- SET(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES)
- ENDIF(CMAKE_REQUIRED_LIBRARIES)
- IF(CMAKE_REQUIRED_INCLUDES)
- SET(CHECK_FUNCTION_EXISTS_ADD_INCLUDES
+ else()
+ set(CHECK_FUNCTION_EXISTS_ADD_LIBRARIES)
+ endif()
+ if(CMAKE_REQUIRED_INCLUDES)
+ set(CHECK_FUNCTION_EXISTS_ADD_INCLUDES
"-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
- ELSE(CMAKE_REQUIRED_INCLUDES)
- SET(CHECK_FUNCTION_EXISTS_ADD_INCLUDES)
- ENDIF(CMAKE_REQUIRED_INCLUDES)
- TRY_COMPILE(${VARIABLE}
+ else()
+ set(CHECK_FUNCTION_EXISTS_ADD_INCLUDES)
+ endif()
+ try_compile(${VARIABLE}
${CMAKE_BINARY_DIR}
${CMAKE_ROOT}/Modules/CheckFunctionExists.c
COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
@@ -57,18 +57,18 @@ MACRO(CHECK_FUNCTION_EXISTS FUNCTION VARIABLE)
"${CHECK_FUNCTION_EXISTS_ADD_LIBRARIES}"
"${CHECK_FUNCTION_EXISTS_ADD_INCLUDES}"
OUTPUT_VARIABLE OUTPUT)
- IF(${VARIABLE})
- SET(${VARIABLE} 1 CACHE INTERNAL "Have function ${FUNCTION}")
- MESSAGE(STATUS "Looking for ${FUNCTION} - found")
- FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+ if(${VARIABLE})
+ set(${VARIABLE} 1 CACHE INTERNAL "Have function ${FUNCTION}")
+ message(STATUS "Looking for ${FUNCTION} - found")
+ file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the function ${FUNCTION} exists passed with the following output:\n"
"${OUTPUT}\n\n")
- ELSE(${VARIABLE})
- MESSAGE(STATUS "Looking for ${FUNCTION} - not found")
- SET(${VARIABLE} "" CACHE INTERNAL "Have function ${FUNCTION}")
- FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+ else()
+ message(STATUS "Looking for ${FUNCTION} - not found")
+ set(${VARIABLE} "" CACHE INTERNAL "Have function ${FUNCTION}")
+ file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining if the function ${FUNCTION} exists failed with the following output:\n"
"${OUTPUT}\n\n")
- ENDIF(${VARIABLE})
- ENDIF("${VARIABLE}" MATCHES "^${VARIABLE}$")
-ENDMACRO(CHECK_FUNCTION_EXISTS)
+ endif()
+ endif()
+endmacro()