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Re: [Linphone-developers] mediastreamer2 fails to build

From: Mark Murawski
Subject: Re: [Linphone-developers] mediastreamer2 fails to build
Date: Tue, 5 Dec 2017 14:26:38 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:58.0) Gecko/20100101 Thunderbird/58.0

Looks like the ./configure script should have a hard requirement on ffmpeg.

> checking for FFMPEG... no
> configure: WARNING: Could not find libavcodec (from ffmpeg) headers and
> library.

This was the reason for my errors... but now I'm getting this:

make[2]: Entering directory '/home/kobaz/download/linphone-package/mediastreamer2/tools'
  CCLD     mediastream
/apps/linphone-bctoolbox/lib/ undefined reference to `bctbx_remove_log_handler' /apps/linphone-bctoolbox/lib/ undefined reference to `bctbx_log_handler_set_user_data' /apps/linphone-bctoolbox/lib/ undefined reference to `bctbx_log_handler_set_domain'
collect2: error: ld returned 1 exit status
Makefile:720: recipe for target 'mediastream' failed
make[2]: *** [mediastream] Error 1
make[2]: Leaving directory '/home/kobaz/download/linphone-package/mediastreamer2/tools'
Makefile:639: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/home/kobaz/download/linphone-package/mediastreamer2'
Makefile:546: recipe for target 'all' failed
make: *** [all] Error 2

# ldd /apps/linphone-bctoolbox/lib/ | grep tool => /apps/linphone-bctoolbox/lib/ (0x00007f0d52ee2000) => /lib/x86_64-linux-gnu/ is correctly linked to /apps/linphone-bctoolbox/lib/

# nm -D /apps/linphone-bctoolbox/lib/  | grep bctbx_
<partial list>
000000000000f170 T bctbx_remove_log_handler
000000000000f060 T bctbx_log_handler_set_domain
000000000000f040 T bctbx_log_handler_set_user_data

And lo and behold that /apps/linphone-bctoolbox/lib/ corrently contains the required symbols.

I'm at a bit of a loss as to why this can't link.

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