[FFmpeg-trac] #8258(undetermined:new): configure script ignores pkgconfigdir

FFmpeg trac at avcodec.org
Sat Oct 12 21:35:08 EEST 2019

#8258: configure script ignores pkgconfigdir
             Reporter:  Vortico      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 Using --pkgconfigdir when running ./configure appears to have no effect on
 the actual PKG_CONFIG_PATH.

 To reproduce, install a library, like libopus, which places an opus.pc
 file in a default location like /usr/lib/pkgconfig/. Then move opus.pc to
 a nonstandard directory such as /home/vortico/local/lib/pkgconfig/,
 forcing us to use pkgconfigdir. Run the following in ffmpeg's directory.

 ./configure --pkgconfigdir=/home/vortico/local/lib/pkgconfig/ --enable-

 The script fails with

 ERROR: opus not found using pkg-config

 However, running

 PKG_CONFIG_PATH=/home/vortico/local/lib/pkgconfig/ ./configure --enable-

 is successful. In the test_pkg_config() function in configure, the line

     test_cmd $pkg_config --exists --print-errors $pkg_version || return

 or other invocations of pkg_config, appears to not make use of the
 pkgconfigdir at all.

Ticket URL: <https://trac.ffmpeg.org/ticket/8258>
FFmpeg <https://ffmpeg.org>
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