[FFmpeg-cvslog] r11798 - trunk/configure

[Michael Niedermayer]

On Sat, Feb 02, 2008 at 04:07:35PM +0100, Michael Niedermayer wrote:
> On Sat, Feb 02, 2008 at 11:34:53AM +0100, Diego Biurrun wrote:
> > On Fri, Feb 01, 2008 at 07:45:26PM +0100, michael wrote:
> > > 
> > > Log:
> > > Mixing declarations and statements is an error, so is any construct
> > > depending on sizeof(void) (like void_ptr++)
> > > 
> > > --- trunk/configure	(original)
> > > +++ trunk/configure	Fri Feb  1 19:45:26 2008
> > > @@ -1785,6 +1785,8 @@ check_cflags -Wpointer-arith
> > >  check_cflags -Wcast-qual
> > > +check_cflags -Werror=declaration-after-statement
> > > +check_cflags -Werror=pointer-arith
> > 
> > This is supposed to turn (some) warnings into hard errors, right?  My
> > PPC Linux box seems rather unimpressed:
> > 
> > gcc  -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
> > -D_ISOC9X_SOURCE -I"/home/diego/src/ffmpeg/ffmpeg" -I"/home/diego/src/ffmpeg/ffmpeg"
> > -I"/home/diego/src/ffmpeg/ffmpeg"/libavutil -fomit-frame-pointer
> > -maltivec -mabi=altivec -g -Wdeclaration-after-statement -Wall
> > -Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls
> > -Wno-pointer-sign -Wcast-qual -Werror=declaration-after-statement
> > -Werror=pointer-arith -O3  -c -o postprocess.o postprocess.c
> > In file included from postprocess.c:92:
> > postprocess_internal.h: In function ?linecpy?:
> > postprocess_internal.h:174: warning: pointer of type ?void *? used in arithmetic
> > postprocess_internal.h:174: warning: pointer of type ?void *? used in arithmetic
> > In file included from postprocess.c:610:
> > postprocess_altivec_template.c: In function ?vertClassify_altivec?:
> > postprocess_altivec_template.c:83: warning: ISO C90 forbids mixed declarations and code
> > postprocess_altivec_template.c:91: warning: ISO C90 forbids mixed declarations and code
> > 
> > There are many more of those warnings and eventually compilation
> > succeeds.
> 
> I can confirm this here on x86.
> All gcc including 4.3 are affected. I assumed that Werror= works, and only
> tested that it didnt break compilation or regression tests. But it seems it
> is just buggy like everything else in gcc.

and heres the bugreport:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35058

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Many that live deserve death. And some that die deserve life. Can you give
it to them? Then do not be too eager to deal out death in judgement. For
even the very wise cannot see all ends. -- Gandalf
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