Fixed: Use STRING(TIMESTAMP ...) since CMake 2.8.11 to get build time

--HG--
branch : develop

code/CMakeModules/GetRevision.cmake

@@ -24,17 +24,21 @@ ELSE()
 ENDIF()
 
 MACRO(NOW RESULT)
-  IF (WIN32)
-    EXECUTE_PROCESS(COMMAND "wmic" "os" "get" "localdatetime" OUTPUT_VARIABLE DATETIME)
-    IF(NOT DATETIME MATCHES "ERROR")
-      STRING(REGEX REPLACE ".*\n([0-9][0-9][0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9]).*" "\\1-\\2-\\3 \\4:\\5:\\6" ${RESULT} "${DATETIME}")
-    ENDIF()
-  ELSEIF(UNIX)
-    EXECUTE_PROCESS(COMMAND "date" "+%Y-%m-%d %H:%M:%S" OUTPUT_VARIABLE DATETIME)
-    STRING(REGEX REPLACE "([0-9: -]+).*" "\\1" ${RESULT} "${DATETIME}")
+  IF(CMAKE_VERSION VERSION_GREATER "2.8.10")
+    STRING(TIMESTAMP ${RESULT} "%Y-%m-%d %H:%M:%S")
   ELSE()
-    MESSAGE(SEND_ERROR "date not implemented")
-    SET(${RESULT} "0000-00-00 00:00:00")
+    IF(WIN32)
+      EXECUTE_PROCESS(COMMAND "wmic" "os" "get" "localdatetime" OUTPUT_VARIABLE DATETIME)
+      IF(NOT DATETIME MATCHES "ERROR")
+        STRING(REGEX REPLACE ".*\n([0-9][0-9][0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9]).*" "\\1-\\2-\\3 \\4:\\5:\\6" ${RESULT} "${DATETIME}")
+      ENDIF()
+    ELSEIF(UNIX)
+      EXECUTE_PROCESS(COMMAND "date" "+%Y-%m-%d %H:%M:%S" OUTPUT_VARIABLE DATETIME)
+      STRING(REGEX REPLACE "([0-9: -]+).*" "\\1" ${RESULT} "${DATETIME}")
+    ELSE()
+      MESSAGE(SEND_ERROR "date not implemented")
+      SET(${RESULT} "0000-00-00 00:00:00")
+    ENDIF()
   ENDIF()
 ENDMACRO()