diff options
-rw-r--r-- | modules/CheckCXXSourceCompiles.cmake | 104 |
1 files changed, 51 insertions, 53 deletions
diff --git a/modules/CheckCXXSourceCompiles.cmake b/modules/CheckCXXSourceCompiles.cmake index dc696d1f..43055dee 100644 --- a/modules/CheckCXXSourceCompiles.cmake +++ b/modules/CheckCXXSourceCompiles.cmake @@ -1,53 +1,51 @@ -# - Check if the source code provided in the SOURCE argument compiles. -# CHECK_CXX_SOURCE_COMPILES(SOURCE VAR) -# - macro which checks if the source code compiles\ -# SOURCE - source code to try to compile -# VAR - variable to store size if the type exists. -# Checks the following optional VARIABLES (not arguments) -# CMAKE_REQUIRED_LIBRARIES - Link to extra libraries -# CMAKE_REQUIRED_FLAGS - Extra flags to C compiler -# CMAKE_REQUIRED_INCLUDES - Extra include directories -# - -MACRO(CHECK_CXX_SOURCE_COMPILES SOURCE VAR) - IF("${VAR}" MATCHES "^${VAR}$") - SET(MACRO_CHECK_FUNCTION_DEFINITIONS - "-D${VAR} ${CMAKE_REQUIRED_FLAGS}") - IF(CMAKE_REQUIRED_LIBRARIES) - SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES - "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}") - ENDIF(CMAKE_REQUIRED_LIBRARIES) - IF(CMAKE_REQUIRED_INCLUDES) - SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES - "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}") - STRING(REGEX REPLACE ";" "\\\\;" CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES "${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}") - ENDIF(CMAKE_REQUIRED_INCLUDES) - FILE(WRITE "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/src.cxx" - "${SOURCE}") - - MESSAGE(STATUS "Performing Test ${VAR}") - TRY_COMPILE(${VAR} - ${CMAKE_BINARY_DIR} - ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/src.cxx - CMAKE_FLAGS - "${CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES}" - "${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}" - OUTPUT_VARIABLE OUTPUT) - IF(${VAR}) - SET(${VAR} 1 CACHE INTERNAL "Test ${FUNCTION}") - MESSAGE(STATUS "Performing Test ${VAR} - Success") - WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log - "Performing C++ SOURCE FILE Test ${VAR} succeded with the following output:\n" - "${OUTPUT}\n" - "Source file was:\n${SOURCE}\n" APPEND) - ELSE(${VAR}) - MESSAGE(STATUS "Performing Test ${VAR} - Failed") - SET(${VAR} "" CACHE INTERNAL "Test ${FUNCTION}") - WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log - "Performing C++ SOURCE FILE Test ${VAR} failed with the following output:\n" - "${OUTPUT}\n" - "Source file was:\n${SOURCE}\n" APPEND) - ENDIF(${VAR}) - ENDIF("${VAR}" MATCHES "^${VAR}$") -ENDMACRO(CHECK_CXX_SOURCE_COMPILES) - +# - Check if the source code provided in the SOURCE argument compiles.
+# CHECK_CXX_SOURCE_COMPILES(SOURCE VAR)
+# - macro which checks if the source code compiles\
+# SOURCE - source code to try to compile
+# VAR - variable to store size if the type exists.
+# Checks the following optional VARIABLES (not arguments)
+# CMAKE_REQUIRED_LIBRARIES - Link to extra libraries
+# CMAKE_REQUIRED_FLAGS - Extra flags to C compiler
+#
+
+MACRO(CHECK_CXX_SOURCE_COMPILES SOURCE VAR)
+ IF("${VAR}" MATCHES "^${VAR}$")
+ SET(MACRO_CHECK_FUNCTION_DEFINITIONS
+ "-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
+ IF(CMAKE_REQUIRED_LIBRARIES)
+ SET(CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES
+ "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
+ ENDIF(CMAKE_REQUIRED_LIBRARIES)
+ IF(CMAKE_REQUIRED_INCLUDES)
+ SET(CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES
+ "-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
+ ENDIF(CMAKE_REQUIRED_INCLUDES)
+ FILE(WRITE "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/src.cxx"
+ "${SOURCE}")
+
+ MESSAGE(STATUS "Performing Test ${VAR}")
+ TRY_COMPILE(${VAR}
+ ${CMAKE_BINARY_DIR}
+ ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/src.cxx
+ CMAKE_FLAGS
+ "${CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES}"
+ "${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}"
+ OUTPUT_VARIABLE OUTPUT)
+ IF(${VAR})
+ SET(${VAR} 1 CACHE INTERNAL "Test ${FUNCTION}")
+ MESSAGE(STATUS "Performing Test ${VAR} - Success")
+ WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
+ "Performing C++ SOURCE FILE Test ${VAR} succeded with the following output:\n"
+ "${OUTPUT}\n"
+ "Source file was:\n${SOURCE}\n" APPEND)
+ ELSE(${VAR})
+ MESSAGE(STATUS "Performing Test ${VAR} - Failed")
+ SET(${VAR} "" CACHE INTERNAL "Test ${FUNCTION}")
+ WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log
+ "Performing C++ SOURCE FILE Test ${VAR} failed with the following output:\n"
+ "${OUTPUT}\n"
+ "Source file was:\n${SOURCE}\n" APPEND)
+ ENDIF(${VAR})
+ ENDIF("${VAR}" MATCHES "^${VAR}$")
+ENDMACRO(CHECK_CXX_SOURCE_COMPILES)
+
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