Messages in this thread | | | Subject | Re: [PATCH] kbuild: fix W=1 with gcc 4.3.2 | From | Eric Dumazet <> | Date | Thu, 21 Apr 2011 23:13:23 +0200 |
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Le jeudi 21 avril 2011 à 23:08 +0200, Sam Ravnborg a écrit : > 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@ravnborg.org> > Cc: Dave Jones <davej@redhat.com> > --- > 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"
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