From dc3d8939d464e3de2bd47b6936f06d07ea58c75e Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sat, 22 Aug 2009 02:34:10 +0200 Subject: [PATCH] preliminary work for gcc 4.4.0 Signed-off-by: Denys Vlasenko --- Makefile.flags | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Makefile.flags b/Makefile.flags index 2109fdf11..032f6c135 100644 --- a/Makefile.flags +++ b/Makefile.flags @@ -32,6 +32,15 @@ CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) ifeq ($(CONFIG_WERROR),y) CFLAGS += $(call cc-option,-Werror,) +## TODO: +## gcc version 4.4.0 20090506 (Red Hat 4.4.0-4) (GCC) is a PITA: +## const char *ptr; ... off_t v = *(off_t*)ptr; -> BOOM +## and no easy way to convince it to shut the hell up. +## We have a lot of such things all over the place. +## Classic *(off_t*)(void*)ptr does not work, +## and I am unwilling to do crazy gcc specific ({ void *ppp = ...; }) +## stuff in macros. This would obfuscate the code too much. +#CFLAGS += $(call cc-ifversion, -eq, 0404, -fno-strict-aliasing) endif # gcc 3.x emits bogus "old style proto" warning on find.c:alloc_action() CFLAGS += $(call cc-ifversion, -ge, 0400, -Wold-style-definition)