Mercurial > hg > truffle
diff make/linux/makefiles/gcc.make @ 356:1ee8caae33af
Merge
author | tonyp |
---|---|
date | Thu, 21 Aug 2008 23:36:31 -0400 |
parents | 9c2ecc2ffb12 |
children | 69c752d99841 |
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--- a/make/linux/makefiles/gcc.make Wed Aug 06 11:57:31 2008 -0400 +++ b/make/linux/makefiles/gcc.make Thu Aug 21 23:36:31 2008 -0400 @@ -1,5 +1,5 @@ # -# Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved. +# Copyright 1999-2008 Sun Microsystems, Inc. All Rights Reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it @@ -84,8 +84,17 @@ # Compiler warnings are treated as errors WARNINGS_ARE_ERRORS = -Werror + # Except for a few acceptable ones +# Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit +# conversions which might affect the values. To avoid that, we need to turn +# it off explicitly. +ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" +ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare +else ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare +endif + CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) # Special cases CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))