Re: [SoX-users] Trying to compile SoX from git, and getting Autoconf errors...

[Thor A. <ta...@to...>]

On Wed, Nov 16, 2011 at 01:41:53PM -0500, Tom Scott wrote:
> Hi all, 
> 
> I'm trying to use SoX to mix two audio sources (Speex vocals from an
> FLV and an MP3 of music) and encode to MP3. I know that SoX can't
> handle FLV so I'm also using FFmpeg to encode the FLV's Speex audio
> into WAV before it sends it off to SoX.
> 
> I'm currently stonewalled, because I can't seem to get SoX to compile
> on my Debian Squeeze VPS. Here's the error I get when I run
> `autoreconf -i`:
> 
> > # autoreconf -i
> > configure.ac:45: error: possibly undefined macro: AC_LIBTOOL_DLOPEN
> >       If this token and others are legitimate, please use m4_pattern_allow.
> >       See the Autoconf documentation.
> > configure.ac:48: error: possibly undefined macro: AC_LIBTOOL_WIN32_DLL
> > configure.ac:52: error: possibly undefined macro: AC_PROG_LIBTOOL
> > autoreconf: /usr/bin/autoconf failed with exit status: 1

Do you have libtool installed?

apt-get install libtool

> When I try to build from the tarball, it seems to configure fine
> --with-distro=debian, but when i get to the make/make install part it
> kicks back the following error:
> 
> > # make -s && make install
> > Making all in lpc10
> > Making all in libgsm
> > Making all in src
> > sox-fmt.c: In function 'write_header':
> > sox-fmt.c:81: warning: dereferencing type-punned pointer will break strict-aliasing rules
> > ffmpeg.c: In function 'stream_component_open':
> > ffmpeg.c:89: warning: 'error_recognition' is deprecated (declared at /usr/local/include/libavcodec/avcodec.h:1562)
> > ffmpeg.c:92: warning: 'avcodec_open' is deprecated (declared at /usr/local/include/libavcodec/avcodec.h:3919)
> > ffmpeg.c:94: error: 'CODEC_TYPE_AUDIO' undeclared (first use in this function)
> > ffmpeg.c:94: error: (Each undeclared identifier is reported only once
> > ffmpeg.c:94: error: for each function it appears in.)
> > ffmpeg.c: In function 'startread':
> > ffmpeg.c:168: warning: 'av_open_input_file' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1304)
> > ffmpeg.c:174: warning: 'av_find_stream_info' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1386)
> > ffmpeg.c:185: error: 'CODEC_TYPE_AUDIO' undeclared (first use in this function)
> > ffmpeg.c: In function 'read_samples':
> > ffmpeg.c:227: warning: 'url_ferror' is deprecated (declared at /usr/local/include/libavformat/avio.h:331)
> > ffmpeg.c: In function 'add_audio_stream':
> > ffmpeg.c:268: warning: 'av_new_stream' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1579)
> > ffmpeg.c:276: error: 'CODEC_TYPE_AUDIO' undeclared (first use in this function)
> > ffmpeg.c: In function 'open_audio':
> > ffmpeg.c:302: warning: 'avcodec_open' is deprecated (declared at /usr/local/include/libavcodec/avcodec.h:3919)
> > ffmpeg.c: In function 'startwrite':
> > ffmpeg.c:371: warning: 'av_set_parameters' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1662)
> > ffmpeg.c:387: warning: 'url_fopen' is deprecated (declared at /usr/local/include/libavformat/avio.h:312)
> > ffmpeg.c:394: warning: 'av_write_header' is deprecated (declared at /usr/local/include/libavformat/avformat.h:1720)
> > ffmpeg.c: In function 'write_samples':
> > ffmpeg.c:426: error: 'PKT_FLAG_KEY' undeclared (first use in this function)
> > ffmpeg.c: In function 'stopwrite':
> > ffmpeg.c:474: warning: 'url_fclose' is deprecated (declared at /usr/local/include/libavformat/avio.h:313)
> > make[1]: *** [libsox_la-ffmpeg.lo] Error 1
> > make: *** [all-recursive] Error 1

I think this is due to some change in the ffmpeg API, so you probably
need a newer version of the libav* libraries.

[...]

> Furthermore, if there's any easier way of getting SoX up and running
> on a Debian Squeeze machine, maybe using an APT source with the LAME
> extensions built-in, please let me know about it. This seemingly
> malformed Autoconf configuration is currently blocking me from doing
> any further productive work on this project.

It should be sufficient to do:

apt-get install sox libsox-fmt-all

[...]

-- 
best regards
Thor Andreassen