[FFmpeg-devel] [PATCH 6/7] avutil/mem: Don't include avutil.h

[Michael Niedermayer]

On Sat, Sep 02, 2023 at 06:21:40PM +0200, Andreas Rheinhardt wrote:
> It is not necessary at all. So remove it.
> This also breaks an inclusion cycle mem.h->avutil.h->common.h->mem.h.

the mingw64 build seems not to like this

In file included from src/libavutil/getenv_utf8.h:29:0,
                 from src/libavformat/ipfsgateway.c:24:
src/libavutil/wchar_filename.h: In function ‘utf8towchar’:
src/libavutil/wchar_filename.h:34:17: error: ‘EINVAL’ undeclared (first use in this function); did you mean ‘WINVER’?
         errno = EINVAL;
                 ^~~~~~
                 WINVER
src/libavutil/wchar_filename.h:34:17: note: each undeclared identifier is reported only once for each function it appears in
src/libavutil/wchar_filename.h:39:17: error: ‘ENOMEM’ undeclared (first use in this function)
         errno = ENOMEM;
                 ^~~~~~
src/libavutil/wchar_filename.h: In function ‘wchartocp’:
src/libavutil/wchar_filename.h:55:17: error: ‘EINVAL’ undeclared (first use in this function); did you mean ‘WINVER’?
         errno = EINVAL;
                 ^~~~~~
                 WINVER
src/libavutil/wchar_filename.h:60:17: error: ‘ENOMEM’ undeclared (first use in this function)
         errno = ENOMEM;
                 ^~~~~~
In file included from src/libavutil/getenv_utf8.h:29:0,
                 from src/libavformat/ipfsgateway.c:24:
src/libavutil/wchar_filename.h: In function ‘get_full_path_name’:
src/libavutil/wchar_filename.h:137:17: error: ‘EINVAL’ undeclared (first use in this function); did you mean ‘WINVER’?
         errno = EINVAL;
                 ^~~~~~
                 WINVER
src/libavutil/wchar_filename.h:143:17: error: ‘ENOMEM’ undeclared (first use in this function)
         errno = ENOMEM;
                 ^~~~~~
src/libavutil/wchar_filename.h: In function ‘add_extended_prefix’:
src/libavutil/wchar_filename.h:211:21: error: ‘ENOMEM’ undeclared (first use in this function)
             errno = ENOMEM;
                     ^~~~~~
src/ffbuild/common.mak:81: recipe for target 'libavformat/ipfsgateway.o' failed
make: *** [libavformat/ipfsgateway.o] Error 1
make: *** Waiting for unfinished jobs....
In file included from src/libavutil/getenv_utf8.h:29:0,
                 from src/libavformat/http.c:33:
src/libavutil/wchar_filename.h: In function ‘utf8towchar’:
src/libavutil/wchar_filename.h:34:17: error: ‘EINVAL’ undeclared (first use in this function); did you mean ‘WINVER’?
         errno = EINVAL;
                 ^~~~~~
                 WINVER
src/libavutil/wchar_filename.h:34:17: note: each undeclared identifier is reported only once for each function it appears in
src/libavutil/wchar_filename.h:39:17: error: ‘ENOMEM’ undeclared (first use in this function)
         errno = ENOMEM;
                 ^~~~~~
src/libavutil/wchar_filename.h: In function ‘wchartocp’:
src/libavutil/wchar_filename.h:55:17: error: ‘EINVAL’ undeclared (first use in this function); did you mean ‘WINVER’?
         errno = EINVAL;
                 ^~~~~~
                 WINVER
src/libavutil/wchar_filename.h:60:17: error: ‘ENOMEM’ undeclared (first use in this function)
         errno = ENOMEM;
                 ^~~~~~
In file included from src/libavutil/getenv_utf8.h:29:0,
                 from src/libavformat/http.c:33:
src/libavutil/wchar_filename.h: In function ‘get_full_path_name’:
src/libavutil/wchar_filename.h:137:17: error: ‘EINVAL’ undeclared (first use in this function); did you mean ‘WINVER’?
         errno = EINVAL;
                 ^~~~~~
                 WINVER
src/libavutil/wchar_filename.h:143:17: error: ‘ENOMEM’ undeclared (first use in this function)
         errno = ENOMEM;
                 ^~~~~~
src/libavutil/wchar_filename.h: In function ‘add_extended_prefix’:
src/libavutil/wchar_filename.h:211:21: error: ‘ENOMEM’ undeclared (first use in this function)
             errno = ENOMEM;
                     ^~~~~~
src/ffbuild/common.mak:81: recipe for target 'libavformat/http.o' failed
make: *** [libavformat/http.o] Error 1



[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Complexity theory is the science of finding the exact solution to an
approximation. Benchmarking OTOH is finding an approximation of the exact
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