Le jeudi 21 avril 2011 Ã 23:08 +0200, Sam Ravnborg a Ãcrit : > Building a kernel using W=1 with gcc 4.3.2 failed like this: > > cc1: error: unrecognized command line option "-Wpacked-bitfield-compat" > > Make use of this option dependent on the compiler. > > Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx> > Cc: Dave Jones <davej@xxxxxxxxxx> > --- > I do not see this a stable material - people running stable kernels > have less value of W=1. > > And the amount of warnings are outright silly. We should really > divide this up a bit so W=1 is semi usefull. > > Sam > > diff --git a/scripts/Makefile.build b/scripts/Makefile.build > index d5f925a..b280284 100644 > --- a/scripts/Makefile.build > +++ b/scripts/Makefile.build > @@ -73,7 +73,7 @@ KBUILD_EXTRA_WARNINGS += -Wnested-externs > KBUILD_EXTRA_WARNINGS += -Wold-style-definition > KBUILD_EXTRA_WARNINGS += $(call cc-option, -Woverlength-strings,) > KBUILD_EXTRA_WARNINGS += -Wpacked > -KBUILD_EXTRA_WARNINGS += -Wpacked-bitfield-compat > +KBUILD_EXTRA_WARNINGS += $(call cc-option, -Wpacked-bitfield-compat) > KBUILD_EXTRA_WARNINGS += -Wpadded > KBUILD_EXTRA_WARNINGS += -Wpointer-arith > KBUILD_EXTRA_WARNINGS += -Wredundant-decls > -- Please add same fix for gcc-4.1.2 cc1: error: unrecognized command line option "-Wlogical-op" -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
