[FFmpeg-trac] #7790(build system:closed): Endianness detection breaks when LTO is enabled through means other than the ffmpeg --enable-lto option

FFmpeg trac at avcodec.org
Thu Nov 25 13:15:58 EET 2021


#7790: Endianness detection breaks when LTO is enabled through means other than
the ffmpeg --enable-lto option
-------------------------------------+-------------------------------------
             Reporter:  RedDwarf82   |                    Owner:  (none)
                 Type:  enhancement  |                   Status:  closed
             Priority:  normal       |                Component:  build
                                     |  system
              Version:  unspecified  |               Resolution:  invalid
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by RedDwarf):

 FWIW nowadays LTO can have different options. Just from gcc/clang:

 -flto
 -flto=auto
 -flto=thin
 -flto=4

 And by not letting the user specify LTO in the flags he is losing access
 to them.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/7790#comment:9>
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