prepare to use patched check_type_size macro, this is the original cmake version

svn path=/trunk/KDE/kdelibs/; revision=509446

1 files changed, 52 insertions, 0 deletions

diff --git a/modules/CheckTypeSize.cmake b/modules/CheckTypeSize.cmake
new file mode 100755
index 00000000..35264956
--- /dev/null
+++ b/modules/CheckTypeSize.cmake
@@ -0,0 +1,52 @@
+# - Check sizeof a type

+#  CHECK_TYPE_SIZE(TYPE VARIABLE)

+# Check if the type exists and determine size of type.  if the type

+# exists, the size will be stored to the variable.

+#

+#  VARIABLE - variable to store size if the type exists.

+#  HAVE_${VARIABLE} - does the variable exists or not

+

+MACRO(CHECK_TYPE_SIZE TYPE VARIABLE)

+  SET(CMAKE_ALLOW_UNKNOWN_VARIABLE_READ_ACCESS 1)

+  IF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")

+    SET(CHECK_TYPE_SIZE_TYPE "${TYPE}")

+    SET(MACRO_CHECK_TYPE_SIZE_FLAGS 

+      "${CMAKE_REQUIRED_FLAGS}")

+    FOREACH(def HAVE_SYS_TYPES_H HAVE_STDINT_H HAVE_STDDEF_H)

+      IF("${def}")

+        SET(MACRO_CHECK_TYPE_SIZE_FLAGS 

+          "${MACRO_CHECK_TYPE_SIZE_FLAGS} -D${def}")

+      ENDIF("${def}")

+    ENDFOREACH(def)

+    SET(CHECK_TYPE_SIZE_PREINCLUDE)

+    SET(CHECK_TYPE_SIZE_PREMAIN)

+    FOREACH(def ${CMAKE_EXTRA_INCLUDE_FILES})

+      SET(CHECK_TYPE_SIZE_PREMAIN "${CHECK_TYPE_SIZE_PREMAIN}#include \"${def}\"\n")

+    ENDFOREACH(def)

+    CONFIGURE_FILE("${CMAKE_ROOT}/Modules/CheckTypeSize.c.in"

+      "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckTypeSize.c" IMMEDIATE @ONLY)

+    FILE(READ "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckTypeSize.c"

+      CHECK_TYPE_SIZE_FILE_CONTENT)

+    MESSAGE(STATUS "Check size of ${TYPE}")

+    IF(CMAKE_REQUIRED_LIBRARIES)

+      SET(CHECK_TYPE_SIZE_ADD_LIBRARIES 

+        "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")

+    ENDIF(CMAKE_REQUIRED_LIBRARIES)

+    TRY_RUN(${VARIABLE} HAVE_${VARIABLE}

+      ${CMAKE_BINARY_DIR}

+      "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckTypeSize.c"

+      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_TYPE_SIZE_FLAGS}

+      "${CHECK_TYPE_SIZE_ADD_LIBRARIES}"

+      OUTPUT_VARIABLE OUTPUT)

+    IF(HAVE_${VARIABLE})

+      MESSAGE(STATUS "Check size of ${TYPE} - done")

+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log 

+        "Determining size of ${TYPE} passed with the following output:\n${OUTPUT}\n\n")

+    ELSE(HAVE_${VARIABLE})

+      MESSAGE(STATUS "Check size of ${TYPE} - failed")

+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeError.log 

+        "Determining size of ${TYPE} failed with the following output:\n${OUTPUT}\nCheckTypeSize.c:\n${CHECK_TYPE_SIZE_FILE_CONTENT}\n\n")

+    ENDIF(HAVE_${VARIABLE})

+  ENDIF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")

+  SET(CMAKE_ALLOW_UNKNOWN_VARIABLE_READ_ACCESS )

+ENDMACRO(CHECK_TYPE_SIZE)