Re: problem building libavcodec59-5.0-shlibs on MacOS 10.11 (El Cap) / Xcode 8.2.1

On 4/26/22 5:20 PM, Scott Hannahs via Fink-users wrote:
> Got this error trying to build ffmpeg.  Looks like it is trying to use “metal” under an old OS that doesn’t have that?  Just a wild guess from my looking at the errors.
> 
> -Scott
> 
> 
> gcc -I. -Isrc/ -I/sw/include -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/sw/src/fink.build/libavcodec59-5.0-shlibs-5.0-1/ffmpeg-5.0/compat/dispatch_semaphore -DPIC -DZLIB_CONST -DHAVE_AV_CONFIG_H -DBUILDING_avfilter -fno-stack-check -I/sw/lib/libspeex1/include -I/sw/include -I/opt/X11/include -std=c11 -Werror=partial-availability -fomit-frame-pointer -fPIC -I/opt/X11/include -I/opt/X11/include -I/opt/X11/include -pthread -I/sw/include -I/sw/include -I/sw/include/libxml2 -I/sw/include -I/sw/include/freetype2 -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-2.4 -I/sw/include -I/sw/include/opus -I/sw/include/opus -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/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 -Wdeclaration-after-statement -Wall -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wwrite-strings -Wtype-limits -Wundef -Wmissing-prototypes -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/include/SDL2 -D_THREAD_SAFE   -MMD -MF libavfilter/lswsutils.d -MT libavfilter/lswsutils.o -c -o libavfilter/lswsutils.o src/libavfilter/lswsutils.c
> gcc -I. -Isrc/ -I/sw/include -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/sw/src/fink.build/libavcodec59-5.0-shlibs-5.0-1/ffmpeg-5.0/compat/dispatch_semaphore -DPIC -DZLIB_CONST -DHAVE_AV_CONFIG_H -DBUILDING_avfilter -fno-stack-check -I/sw/lib/libspeex1/include -I/sw/include -I/opt/X11/include -std=c11 -Werror=partial-availability -fomit-frame-pointer -fPIC -I/opt/X11/include -I/opt/X11/include -I/opt/X11/include -pthread -I/sw/include -I/sw/include -I/sw/in                                       ^
> src/libavfilter/metal/utils.h:57:48: error: expected function body after function declarator
>                                                 API_AVAILABLE(macos(10.11), ios(8.0));
>                                                 ^
> src/libavfilter/metal/utils.m:22:6: error: no previous prototype for function 'ff_metal_compute_encoder_dispatch' [-Werror,-Wmissing-prototypes]
> void ff_metal_compute_encoder_dispatch(id<MTLDevice> device,
>       ^
> src/libavfilter/metal/utils.m:50:19: error: no previous prototype for function 'ff_metal_texture_from_pixbuf' [-Werror,-Wmissing-prototypes]
> CVMetalTextureRef ff_metal_texture_from_pixbuf(void *ctx,
>                    ^
> 4 errors generated.
> make: *** [/sw/src/fink.build/libavcodec59-5.0-shlibs-5.0-1/ffmpeg-5.0/ffbuild/common.mak:84: libavfilter/metal/utils.o] Error 1
> make: Leaving directory '/sw/src/fink.build/libavcodec59-5.0-shlibs-5.0-1/ffmpeg-5.0/finkbuild'
> ### execution of /tmp/fink.0NYUC failed, exit code 2
> ### execution of /tmp/fink.uyzHF failed, exit code 2
> Removing runtime build-lock...
> Removing build-lock package...
> /sw/bin/dpkg-lockwait -r fink-buildlock-libavcodec59-5.0-shlibs-5.0-1
> (Reading database ... 309978 files and directories currently installed.)
> Removing fink-buildlock-libavcodec59-5.0-shlibs-5.0-1 ...
> Failed: phase compiling: libavcodec59-5.0-shlibs-5.0-1 failed

Can you selfupdate and try libavcodec59-5.0-shlibs-5.0.1-1 ? I don't 
know if that was fixed there but might as well try.

Hanspeter

-- 
Más ágil que una tortuga... más fuerte que un ratón... más noble que una 
lechuga


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