building MPlayer: gcc-3.4.x compiler issues

[Joseph E. Sacco, Ph.D.]

Don't know... 

If you have not done so already you should submit a bug report to gcc.

============================================================================
On Mon, 2005-01-10 at 13:53, Albrecht Dreß wrote:
> Hi Joseph!
> 
> Am 09.01.05 23:48 schrieb(en) Joseph E. Sacco, Ph.D.:
> > I built gcc-3.4.3 on a G4 7410 and used it to successfully build
> > MPlayer.
> 
> Good news!
> 
> > In particular, yuv2rgb_altivec.c compiles, albeit with some warnings:
> > 
> >         /usr/local/gcc/3.4.3/bin/gcc -c -I../libvo -I../../libvo
> >         -I/usr/X11R6/include -O4 -mcpu=7400 -mtune=7400 -maltivec
> >         -mabi=altivec -pipe -ffast-math -fomit-frame-pointer
> >         -D_REENTRANT -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64   -I.
> >         -I..  -I.. -o yuv2rgb_altivec.o yuv2rgb_altivec.c
> >         yuv2rgb_altivec.c: In function `altivec_yuv2packedX':
> >         yuv2rgb_altivec.c:796: warning: assignment from incompatible
> >         pointer type
> >         yuv2rgb_altivec.c:803: warning: assignment from incompatible
> >         pointer type
> 
> Well, I tried the command line like yours on that file:
> 
> cc -c -I../libvo -I../../libvo -I/usr/X11R6/include -O3 -mcpu=7400  
> -mtune=7400 -maltivec -mabi=altivec -O4 -D_REENTRANT -D_LARGEFILE_SOURCE  
> -D_FILE_OFFSET_BITS=64   -I. -I..  -I.. -o yuv2rgb_altivec.o  
> yuv2rgb_altivec.c
> 
> and now it also compiles with gcc 3.3.3! There seeme to be a 7400 vs. 7450  
> problem. Hmmm...
> 
> > * My other/2, who works in the embedded systems world, tells me than the
> > G4 7410 and 7450 share the same instruction set in *user* mode, which is
> > the mode we can access. So..., the compiler crash you reported is
> > probably not instruction set related.
> 
> See above - looks like a weird compiler bug!
> 
> > * I am using the the 2.6.9 kernel headers.
> > I don't think this is the source of the problem. I looked at the output
> > from the preprocessor stage and do not see any include files from
> 
> Afaik, they didn't change a lot recently... But I replaced them by  
> symlinks pointing to /usr/src/linux, which in turn points to my "current"  
> source tree...
> 
> > * I upgraded binutils, which contains the ***assembler***,
> [snip]
> > 	binutils-2.15.92.0.2-6
> 
> Already building binutils-2.15.92.0.2-5.src.rpm from FC3 - where did you  
> get release 6 from, btw?
> 
> > * your compiler is named "cc"
> > I noticed in your code snippet that your compiler is named "cc".  I
> > assume that "cc" actually points to the version of gcc that you assume
> > you are using.
> 
> [albrecht at antares albrecht]$ cc --version
> cc (GCC) 3.3.3 (Yellow Dog Linux 3.3.3-16.ydl.4)
> 
> > * watch the compiler crash with the "-v" option set to see if anything
> > new can be learned.
> 
> Not really... I think I'll also compile gcc 3.4.3 as some other  
> compilations failed with "-O3 -mcpu=7450" (gstreamer from Gnome 2.8, IIRC)
> 
> Thanks, cheers,
> 
> Albrecht.
-- 
joseph_sacco[at]comcast[dot]net