[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [51447] trunk/blender/CMakeLists.txt: dont ise -Wuninitialized on gcc 4.2 and older, it gives annoying warnings.

[Campbell Barton]

Revision: 51447
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=51447
Author:   campbellbarton
Date:     2012-10-20 13:29:07 +0000 (Sat, 20 Oct 2012)
Log Message:
-----------
dont ise -Wuninitialized on gcc 4.2 and older, it gives annoying warnings.

Modified Paths:
--------------
    trunk/blender/CMakeLists.txt

Modified: trunk/blender/CMakeLists.txt
===================================================================
--- trunk/blender/CMakeLists.txt	2012-10-20 13:11:45 UTC (rev 51446)
+++ trunk/blender/CMakeLists.txt	2012-10-20 13:29:07 UTC (rev 51447)
@@ -1857,12 +1857,16 @@
 	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_WRITE_STRINGS -Wwrite-strings)
 	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_LOGICAL_OP -Wlogical-op)
 	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNDEF -Wundef)
-	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNINITIALIZED -Wuninitialized)
 	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_INIT_SELF -Winit-self)  # needs -Wuninitialized
 	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_NULL -Wnonnull)  # C only
 	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
 	ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
 
+	# gcc 4.2 gives annoying warnings on every file with this
+	if (${CMAKE_C_COMPILER_VERSION} VERSION_GREATER "4.2")
+		ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNINITIALIZED -Wuninitialized)
+	endif()
+
 	# disable because it gives warnings for printf() & friends.
 	# ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_DOUBLE_PROMOTION -Wdouble-promotion -Wno-error=double-promotion)
 
@@ -1874,11 +1878,16 @@
 	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF -Wno-invalid-offsetof)
 	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE -Wno-sign-compare)
 	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_LOGICAL_OP -Wlogical-op)
-	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)
 	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_INIT_SELF -Winit-self)  # needs -Wuninitialized
 	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
 	ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
 
+	# gcc 4.2 gives annoying warnings on every file with this
+	if (${CMAKE_C_COMPILER_VERSION} VERSION_GREATER "4.2")
+		ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)
+		message(FATAL_ERROR "sdsd")
+	endif()
+
 	# causes too many warnings
 	if(NOT APPLE)
 		ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)