[FFmpeg-trac] #7191(build system:new): Please enable parallel linking when --enable-lto is specified

[FFmpeg]

#7191: Please enable parallel linking when --enable-lto is specified
-------------------------------------+-------------------------------------
             Reporter:  birdie       |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  build
              Version:  git-master   |  system
             Keywords:  lto          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by birdie):

 Are you absolutely sure about that?

 Because when I see:

 {{{
 make -j4
 ...
 STRIP   libswresample/x86/audio_convert.o
 GEN     libavdevice/libavdevice.ver
 GEN     libavfilter/libavfilter.ver
 GEN     libswscale/libswscale.ver
 GEN     libavutil/libavutil.ver
 GEN     libpostproc/libpostproc.ver
 GEN     libavformat/libavformat.ver
 GEN     libswresample/libswresample.ver
 LD      libavutil/libavutil.so.56
 LD      libswscale/libswscale.so.5
 LD      libpostproc/libpostproc.so.55
 LD      libswresample/libswresample.so.3
 STRIP   libavcodec/x86/vp9itxfm.o
 GEN     libavcodec/libavcodec.ver
 LD      libavcodec/libavcodec.so.58
 LD      libavdevice/libavdevice.so.58
 LD      ffmpeg_g
 LD      ffplay_g
 LD      ffprobe_g
 }}}

 All the libraries are linked sequentially, i.e. just one CPU core is
 active.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7191#comment:2>
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