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      1 # Sets extra compile flags for a target, depending on the compiler being used.
      2 # Currently, only GCC is supported.
      3 MACRO(WEBKIT_SET_EXTRA_COMPILER_FLAGS _target)
      4   IF ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
      5     GET_TARGET_PROPERTY(OLD_COMPILE_FLAGS ${_target} COMPILE_FLAGS)
      6     IF (${OLD_COMPILE_FLAGS} STREQUAL "OLD_COMPILE_FLAGS-NOTFOUND")
      7         SET(OLD_COMPILE_FLAGS "")
      8     ENDIF ()
      9 
     10     # Disable some optimizations on buggy compiler versions
     11     # GCC 4.5.1 does not implement -ftree-sra correctly
     12     EXEC_PROGRAM(${CMAKE_CXX_COMPILER} ARGS -dumpversion OUTPUT_VARIABLE COMPILER_VERSION)
     13     IF (${COMPILER_VERSION} STREQUAL "4.5.1")
     14         SET(OLD_COMPILE_FLAGS "${OLD_COMPILE_FLAGS} -fno-tree-sra")
     15     ENDIF ()
     16 
     17     IF (NOT SHARED_CORE)
     18         SET(OLD_COMPILE_FLAGS "-fPIC -fvisibility=hidden ${OLD_COMPILE_FLAGS}")
     19     ENDIF ()
     20 
     21     SET(OLD_COMPILE_FLAGS "-fno-exceptions -fno-strict-aliasing ${OLD_COMPILE_FLAGS}")
     22 
     23     # Enable warnings by default
     24     SET(OLD_COMPILE_FLAGS "-W -DANOTHER_BRICK_IN_THE -Wall -Wextra -Wcast-align -Wchar-subscripts -Wformat -Wformat-security -Wmissing-format-attribute -Wno-format-y2k -Wno-parentheses -Wno-unused-parameter -Wpointer-arith  -Wreturn-type -Wundef -Wwrite-strings ${OLD_COMPILE_FLAGS}")
     25 
     26     SET_TARGET_PROPERTIES (${_target} PROPERTIES
     27 	COMPILE_FLAGS "${OLD_COMPILE_FLAGS}")
     28 
     29     UNSET(OLD_COMPILE_FLAGS)
     30   ENDIF ()
     31 ENDMACRO()
     32 
     33 
     34 # Append the given flag to the target property.
     35 # Builds on top of GET_TARGET_PROPERTY() and SET_TARGET_PROPERTIES()
     36 MACRO (ADD_TARGET_PROPERTIES _target _property _flags)
     37   GET_TARGET_PROPERTY (_tmp ${_target} ${_property})
     38   IF (NOT _tmp)
     39     SET (_tmp "")
     40   ENDIF (NOT _tmp)
     41 
     42   FOREACH (f ${_flags})
     43     SET (_tmp "${_tmp} ${f}")
     44   ENDFOREACH (f ${_flags})
     45 
     46   SET_TARGET_PROPERTIES (${_target} PROPERTIES ${_property} ${_tmp})
     47   UNSET (_tmp)
     48 ENDMACRO (ADD_TARGET_PROPERTIES _target _property _flags)
     49 
     50 
     51 # Append the given dependencies to the source file
     52 MACRO(ADD_SOURCE_DEPENDENCIES _source _deps)
     53   GET_SOURCE_FILE_PROPERTY(_tmp ${_source} OBJECT_DEPENDS)
     54   IF (NOT _tmp)
     55     SET (_tmp "")
     56   ENDIF ()
     57 
     58   FOREACH (f ${_deps})
     59     LIST(APPEND _tmp "${f}")
     60   ENDFOREACH ()
     61 
     62   SET_SOURCE_FILES_PROPERTIES(${_source} PROPERTIES OBJECT_DEPENDS "${_tmp}")
     63   UNSET(_tmp)
     64 ENDMACRO()
     65 
     66 
     67 # Append the given dependencies to the source file
     68 # This one consider the given dependencies are in ${DERIVED_SOURCES_WEBCORE_DIR}
     69 # and prepends this to every member of dependencies list
     70 MACRO(ADD_SOURCE_WEBCORE_DERIVED_DEPENDENCIES _source _deps)
     71   SET(_tmp "")
     72   FOREACH (f ${_deps})
     73     LIST(APPEND _tmp "${DERIVED_SOURCES_WEBCORE_DIR}/${f}")
     74   ENDFOREACH ()
     75 
     76   ADD_SOURCE_DEPENDENCIES(${_source} ${_tmp})
     77   UNSET(_tmp)
     78 ENDMACRO()
     79 
     80