[Ffmpeg-devel] Latest SVN failing to configure

[Pavlov Konstantin]

On Tuesday 24 October 2006 20:41, Aaron Williams wrote:
> The latest svn version is failing to configure.  On an Athlon64 system
> it no longer recognizes dts.  Looks like it's forgetting to include the
> math library when linking:
>
> check_cpp
> BEGIN /tmp/ffmpeg-conf-2777-24927-26328.c
>      1    #include <dts.h>
>      2    int x;
> END /tmp/ffmpeg-conf-2777-24927-26328.c
> gcc -march=athlon64 -fomit-frame-pointer -E -o
> /tmp/ffmpeg-conf-10660-24927-4214.o /tmp/ffmpeg-conf-2777-24927-26328.c
> check_func dts_init
> check_ld
> check_cc
> BEGIN /tmp/ffmpeg-conf-2777-24927-26328.c
>      1    extern int dts_init();
>      2    int main(){
>      3        dts_init();
>      4    }
> END /tmp/ffmpeg-conf-2777-24927-26328.c
> gcc -march=athlon64 -fomit-frame-pointer -c -o
> /tmp/ffmpeg-conf-10660-24927-4214.o /tmp/ffmpeg-conf-2777-24927-26328.c
> gcc -Wl,--warn-common -Wl,--as-needed -o
> /tmp/ffmpeg-conf-7477-24927-31302 /tmp/ffmpeg-conf-10660-24927-4214.o
> -lm -lz -ldts
> /usr/local/lib/libdts.a(parse.o): In function `dts_init':
> parse.c:(.text+0x59a): undefined reference to `cos'
> parse.c:(.text+0x5f2): undefined reference to `cos'
> parse.c:(.text+0x638): undefined reference to `cos'
> parse.c:(.text+0x67d): undefined reference to `sin'
> collect2: ld returned 1 exit status
> ERROR: libdts not found

It looks more like your dts wasnt linked with -lm, which is erroneus with ld 
ran with -as-needed.

-- 
Pavlov Konstantin,
CPMS Network,
jid: thresh at altlinux.org