[FFmpeg-trac] #1929(build system:new): ./configure --disable-w32threads doesn't check for presence of pthreads

[FFmpeg]

#1929: ./configure  --disable-w32threads  doesn't check for presence of pthreads
-------------------------------------+-------------------------------------
             Reporter:  rogerdpack   |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  build
              Version:  unspecified  |  system
             Keywords:  win          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by rogerdpack):

 Here's my attempt (basically removing libpthread.a from my system).

 /home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/bin/i686-w64-mingw32-gcc -Llibavcodec
 -Llibavdevice -Llibavfilter -Llibavformat -Llibavresample -Llibavutil
 -Llibpostproc -Llibswscale -Llibswresample -Wl,--as-needed -Wl,--warn-
 common -Wl,-rpath-
 link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
 -o ffmpeg_g.exe ffmpeg_opt.o ffmpeg_filter.o ffmpeg.o cmdutils.o
 -lavdevice -lavfilter -lavformat -lavcodec -lpostproc -lswresample
 -lswscale -lavutil -lavicap32 -lpsapi -lole32 -lstrmiids -luuid -ldl -ldl
 -lws2_32 -L/home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/i686-w64-mingw32/lib -lmingw32 -lSDLmain
 -lSDL -lm -luser32 -lgdi32 -lwinmm -ldxguid -lnettle -lhogweed -lgmp
 -lxvidcore -lxavs -lx264 -lvorbisenc -lvorbis -logg -lvo-amrwbenc -lvo-
 aacenc -lutvideo -lstdc++ -ltheoraenc -ltheoradec -logg -lspeex
 -L/home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/i686-w64-mingw32/lib -lrtmp -lwinmm -lz
 -lgnutls -lnettle -lhogweed -lgmp -lcrypt32 -lws2_32
 -L/home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/i686-w64-mingw32/lib -lopus -lopenjpeg
 -lopencore-amrwb -lopencore-amrnb -lmp3lame -lgsm -L/home/rogerdpack/dev
 /ffmpeg-windows-build-helpers/sandbox/mingw-w64-i686/i686-w64-mingw32/lib
 -lfreetype -L/home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/i686-w64-mingw32/lib -lass -lm -lfontconfig
 -lexpat -lfribidi -lfreetype -L/home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/i686-w64-mingw32/lib -lgnutls -lnettle
 -lhogweed -lgmp -lcrypt32 -lws2_32 -L/home/rogerdpack/dev/ffmpeg-windows-
 build-helpers/sandbox/mingw-w64-i686/i686-w64-mingw32/lib -lfontconfig
 -lfreetype -lexpat -lavifil32 -lm -pthread -lbz2 -lz -lpsapi -ladvapi32
 -lshell32
 /home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/lib/gcc/i686-w64-mingw32/4.7.1/../../../../i686-w64-mingw32/bin/ld:
 cannot find -lpthread
 collect2: error: ld returned 1 exit status
 make: *** [ffmpeg_g.exe] Error 1


 {{{
 check_func pthread_create
 check_ld cc
 check_cc
 BEGIN /tmp/ffconf.UdeoAfnb.c
     1   extern int pthread_create();
     2   int main(void){ pthread_create(); }
 END /tmp/ffconf.UdeoAfnb.c
 /home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/bin/i686-w64-mingw32-gcc -D_ISOC99_SOURCE
 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__
 -DPTW32_STATIC_LIB -std=c99 -include ./compat/msvcrt/snprintf.h -fomit-
 frame-pointer -c -o /tmp/ffconf.pdlULg0G.o /tmp/ffconf.UdeoAfnb.c
 /home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/bin/i686-w64-mingw32-gcc -Wl,--as-needed -o
 /tmp/ffconf.iBCSJu0K.exe /tmp/ffconf.pdlULg0G.o -lbz2 -lz -lpsapi
 -ladvapi32 -lshell32
 /tmp/ffconf.pdlULg0G.o:ffconf.UdeoAfnb.c:(.text+0xc): undefined reference
 to `pthread_create'
 collect2: error: ld returned 1 exit status
 check_func pthread_create -pthread
 check_ld cc -pthread
 check_cc -pthread
 BEGIN /tmp/ffconf.UdeoAfnb.c
     1   extern int pthread_create();
     2   int main(void){ pthread_create(); }
 END /tmp/ffconf.UdeoAfnb.c
 /home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/bin/i686-w64-mingw32-gcc -D_ISOC99_SOURCE
 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__
 -DPTW32_STATIC_LIB -std=c99 -include ./compat/msvcrt/snprintf.h -fomit-
 frame-pointer -pthread -c -o /tmp/ffconf.pdlULg0G.o /tmp/ffconf.UdeoAfnb.c
 /home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/bin/i686-w64-mingw32-gcc -Wl,--as-needed
 -pthread -o /tmp/ffconf.iBCSJu0K.exe /tmp/ffconf.pdlULg0G.o -lbz2 -lz
 -lpsapi -ladvapi32 -lshell32
 check_func pthread_cancel
 check_ld cc
 check_cc
 BEGIN /tmp/ffconf.UdeoAfnb.c
     1   extern int pthread_cancel();
     2   int main(void){ pthread_cancel(); }
 END /tmp/ffconf.UdeoAfnb.c
 /home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/bin/i686-w64-mingw32-gcc -D_ISOC99_SOURCE
 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__
 -DPTW32_STATIC_LIB -std=c99 -include ./compat/msvcrt/snprintf.h -fomit-
 frame-pointer -pthread -c -o /tmp/ffconf.pdlULg0G.o /tmp/ffconf.UdeoAfnb.c
 /home/rogerdpack/dev/ffmpeg-windows-build-
 helpers/sandbox/mingw-w64-i686/bin/i686-w64-mingw32-gcc -Wl,--as-needed -o
 /tmp/ffconf.iBCSJu0K.exe /tmp/ffconf.pdlULg0G.o -pthread -lbz2 -lz -lpsapi
 -ladvapi32 -lshell32
 check_lib math.h sin -lm
 check_header math.h

 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1929#comment:3>
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