[Ffmpeg-devel] Re: Latest SVN failing to configure

[Måns Rullgård]

Sebastian Freundt <sfreundt at easy-call.net> writes:

> Pavlov Konstantin <thresh at cpms.ru> writes:
>
>> 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.
>
> Oh, I solved the problem (temporarily) by putting the $extralibs after
> -ldts.

It should work with latest svn.  Please try and report.

-- 
M?ns Rullg?rd
mru at inprovide.com