id	summary	reporter	owner	description	type	status	priority	component	version	resolution	keywords	cc	blockedby	blocking	reproduced	analyzed
1411	ffmpeg fails to compile with mp2 muxer enabled alone	jamal		"The following configuration fails when linking the executables:

{{{
./configure --disable-everything --enable-muxer=mp2
}}}

The errors being:

{{{
LD      ffmpeg_g.exe
libavformat/libavformat.a(mp3enc.o): In function `mp3_queue_flush':
D:\MinGW\msys\1.0\home\jamal\ffmpeg/libavformat/mp3enc.c:322: undefined reference to `ff_id3v2_finish'
libavformat/libavformat.a(mp3enc.o): In function `mp3_write_xing':
D:\MinGW\msys\1.0\home\jamal\ffmpeg/libavformat/mp3enc.c:131: undefined reference to `avpriv_mpa_freq_tab'
D:\MinGW\msys\1.0\home\jamal\ffmpeg/libavformat/mp3enc.c:131: undefined reference to `avpriv_mpa_freq_tab'
D:\MinGW\msys\1.0\home\jamal\ffmpeg/libavformat/mp3enc.c:131: undefined reference to `avpriv_mpa_freq_tab'
libavformat/libavformat.a(mp3enc.o): In function `mp3_write_packet_internal':
D:\MinGW\msys\1.0\home\jamal\ffmpeg/libavformat/mp3enc.c:282: undefined reference to `avpriv_mpegaudio_decode_header'
libavformat/libavformat.a(mp3enc.o): In function `mp3_write_xing':
D:\MinGW\msys\1.0\home\jamal\ffmpeg/libavformat/mp3enc.c:158: undefined reference to `avpriv_mpegaudio_decode_header'
D:\MinGW\msys\1.0\home\jamal\ffmpeg/libavformat/mp3enc.c:158: undefined reference to `avpriv_mpegaudio_decode_header'
D:\MinGW\msys\1.0\home\jamal\ffmpeg/libavformat/mp3enc.c:158: undefined reference to `avpriv_mpegaudio_decode_header'
D:\MinGW\msys\1.0\home\jamal\ffmpeg/libavformat/mp3enc.c:158: undefined reference to `avpriv_mpegaudio_decode_header'
libavformat/libavformat.a(mp3enc.o):D:\MinGW\msys\1.0\home\jamal\ffmpeg/libavformat/mp3enc.c:158: more undefined references to `avpriv_mpegaudio_decode_header' follow
collect2: ld returned 1 exit status
make: *** [ffmpeg_g.exe] Error 1
}}}

The problem is that the files libavformat/id3v2enc.c libavcodec/mpegaudiodata.c and libavcodec/mpegaudiodecheader.c are not being compiled since the dependencies aren't set in both avformat's and avcodec's Makefiles

In avformat's Makefile
{{{
OBJS-$(CONFIG_MP2_MUXER)                 += mp3enc.o rawenc.o
}}}
should be
{{{
OBJS-$(CONFIG_MP2_MUXER)                 += mp3enc.o rawenc.o id3v2enc.o
}}}

And in avcodec's Makefile the following line needs to be added to the section for avformat dependencies
{{{
OBJS-$(CONFIG_MP2_MUXER)               += mpegaudiodata.o mpegaudiodecheader.o
}}}
----
Once again, part of the credit for finding this goes to Måns."	defect	closed	normal	build system	git-master	fixed	mp2				1	0