[Ffmpeg-devel] have cos and sin left libm??

[Víctor Paesa]

Hi,

> Using today's svn - 6764 -I tried to build with enable-dts.
> It fails here ( config.err);
>
> gcc -fPIC -march=k8 -pthread -c -o
> /tmp/ffmpeg-conf-31736-19483-25707.o
> /tmp/ffmpeg-conf-5025-19483-10772.c
> gcc -Wl,--warn-common -Wl,--as-needed -pthread -o
> /tmp/ffmpeg-conf-22367-19483-692 /tmp/ffmpeg-conf-3
> 1736-19483-25707.o -lm -lz -ldts
> /usr/lib/gcc/x86_64-redhat-linux/4.1.1/../../../../lib64/libdts.a(parse.o):
> In function `dts_init':
> (.text+0x625): undefined reference to `cos'
> /usr/lib/gcc/x86_64-redhat-linux/4.1.1/../../../../lib64/libdts.a(parse.o):
> In function `dts_init':
> (.text+0x681): undefined reference to `cos'
> /usr/lib/gcc/x86_64-redhat-linux/4.1.1/../../../../lib64/libdts.a(parse.o):
> In function `dts_init':
> (.text+0x6ca): undefined reference to `cos'
> /usr/lib/gcc/x86_64-redhat-linux/4.1.1/../../../../lib64/libdts.a(parse.o):
> In function `dts_init':
> (.text+0x70f): undefined reference to `sin'
> collect2: ld returned 1 exit status
>
> Notice libm is included.
>
> ???
>

Most probably, the order of libraries matters in your plaform.

Could you try:
gcc -Wl,--warn-common -Wl,--as-needed -pthread -o
 /tmp/ffmpeg-conf-22367-19483-692 /tmp/ffmpeg-conf-3
 1736-19483-25707.o -ldts -lz -lm

Regards,
V?ctor