comparison make/linux/makefiles/gcc.make @ 229:3e82d72933d0

6718830: Hotspot fails to build with gcc 4.3 Summary: Fixed linux make file and couple adlc code to meet the changes of gcc 4.3 Reviewed-by: kamg, igor
author xlu
date Thu, 26 Jun 2008 14:15:01 -0700
parents 6470a2a42f92
children 9c2ecc2ffb12
comparison
equal deleted inserted replaced
228:f232d7d67023 229:3e82d72933d0
82 CFLAGS += -pipe 82 CFLAGS += -pipe
83 endif 83 endif
84 84
85 # Compiler warnings are treated as errors 85 # Compiler warnings are treated as errors
86 WARNINGS_ARE_ERRORS = -Werror 86 WARNINGS_ARE_ERRORS = -Werror
87
87 # Except for a few acceptable ones 88 # Except for a few acceptable ones
89 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit
90 # conversions which might affect the values. To avoid that, we need to turn
91 # it off explicitly.
92 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
93 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare
94 else
88 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare 95 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare
96 endif
97
89 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) 98 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)
90 # Special cases 99 # Special cases
91 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) 100 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
92 101
93 # The flags to use for an Optimized g++ build 102 # The flags to use for an Optimized g++ build