Re: Building of libavcodec58 fails

On 7/17/21 7:00 PM, Scott Hannahs via Fink-users wrote:
> Trying to build ffmpeg on Mac OS 10.11
> 
> gcc -I. -Isrc/ -I/sw/include -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/sw/src/fink.build/libavcodec58-4.0-shlibs-4.4-1/ffmpeg-4.4/compat/dispatch
> _semaphore -DPIC -DZLIB_CONST -DHAVE_AV_CONFIG_H -DBUILDING_avcodec -fno-stack-check -I/sw/lib/libspeex1/include -I/sw/include -I/opt/X11/include -std=c11 -Werror=par
> tial-availability -fomit-frame-pointer -fPIC -pthread -I/sw/include -I/sw/include -I/sw/include/bs2b -I/sw/include -I/sw/include -I/sw/include/freetype2 -I/sw/include
> /fribidi -I/sw/include -I/sw/include -I/sw/include -I/sw/include/openjpeg-2.1 -I/sw/include -I/sw/include/opus -I/sw/include/opus -I/sw/include -I/sw/include -I/sw/in
> clude -I/sw/include -I/sw/include -I/sw/include -I/sw/include -I/sw/include -I/sw/include -I/sw/include -I/sw/include -I/sw/include -I/sw/include -I/sw/include -I/sw/
> include -I/sw/include -I/sw/include -I/sw/include -I/sw/lib/libcdio-2.1/include -I/opt/X11/include -I/opt/X11/include -I/opt/X11/include -I/opt/X11/include -g -Wdecla
> ration-after-statement -Wall -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wwrite-strings -Wtype-limits -Wundef -Wmissing-prototypes -Wno-pointer-to-int-
> cast -Wstrict-prototypes -Wempty-body -Wno-parentheses -Wno-switch -Wno-format-zero-length -Wno-pointer-sign -Wno-unused-const-variable -Wno-char-subscripts -O3 -fno-
> math-errno -fno-signed-zeros -mstack-alignment=16 -Qunused-arguments -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=return-type -I/sw/includ
> e/SDL2 -D_THREAD_SAFE   -MMD -MF libavcodec/videotoolboxenc.d -MT libavcodec/videotoolboxenc.o -c -o libavcodec/videotoolboxenc.o src/libavcodec/videotoolboxenc.c
> src/libavcodec/videotoolboxenc.c:1036:12: error: use of undeclared identifier 'TARGET_OS_OSX'
>      return TARGET_OS_OSX && TARGET_CPU_ARM64;
>             ^


> In trying to follow it back through the various header files, It looks to me like TARGET_OS_OSX should be defined, but I obviously missed something.  This is certainly trying to build for an Intel CPU, not ARM on such an old system.

I pushed upstream's fix for this issue. I only have 10.14 and up to 
test, so I never see the failure, but hopefully their fix is correct.

Hanspeter



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