[Ffmpeg-devel] Darwin/OSX Dylib support

[Diego Biurrun]

On Sat, Sep 24, 2005 at 05:23:36PM -0400, Lina Pezzella wrote:
> On Sep 23, 2005, at 6:55 AM, ffmpeg-devel-request at mplayerhq.hu wrote:
> 
> >Fails to build for me on OS X 10.3.9 after running ./configure
> >--enable-shared --enable-gpl:
> >
> >make -C libavutil all
> >cc -dynamiclib -Wl,-single_module,-undefined,dynamic_lookup -Wl,- 
> >install_name,/usr/local/lib/libavutil.dylib,-current_version,,- 
> >compatibility_version, -Wl,-dynamic,-search_paths_first -o  
> >libavutil.dylib mathematics.o integer.o rational.o  
> >intfloat_readwrite.o  -lz
> >ld: -dylib_compatibility_version must be greater than zero
> >/usr/bin/libtool: internal link edit command failed
> >make[1]: *** [libavutil.dylib] Error 1
> >make: *** [lib] Error 2
> 
> I've attached a new patch that puts the version information in the  
> correct place in the configure file. Sorry about the mixup. I didn't  
> catch it myself because I was compiling with both --enable-shared and  
> --enable-shared-pp. This patch works with --enable-shared and -- 
> enable-gpl on my Tiger 10.4.2 powerbook.

Much better, I'd apply this, except for this hunk:

> --- libavcodec/ppc/fdct_altivec.c	2005-08-05 15:15:34.000000000 -0400
> +++ libavcodec/ppc/fdct_altivec.c	2005-09-24 16:52:04.000000000 -0400
> @@ -18,7 +18,7 @@
>  
> -#include "common.h"
> +#include "../../libavutil/common.h"

This should be fixed through the right -I options.  Is it really
necessary?  I cannot test right now, but my first guess is that it
should work without this change...

Diego