[FFmpeg-trac] #4156(build system:new): libx264 check broken in 2.5 (ok in HEAD)

[FFmpeg]

#4156: libx264 check broken in 2.5 (ok in HEAD)
-------------------------------------+-------------------------------------
             Reporter:  nieder       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:  build        |                  Version:
  system                             |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:

 The configure check for libx264 in the 2.5 release is broken.

 How to reproduce:
 {{{
 $ ./configure --enable-libx264 --enable-gpl
 ./configure: line 4915: syntax error near unexpected token `}'
 ./configure: line 4915: `                                 warn "using
 libx264 without pkg-config"; } } &&'
 }}}

 The check in configure from git HEAD is ok (uses use_pkg_config() as the
 first check attempt and is preceded by an opening `{' ).

 Tested on OS X but this looks like it should be a universal failure.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4156>
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