[Libav-user] B0 defined on termux and break ffmpeg

[Andrew Randrianasulu]

вс, 24 июл. 2022 г., 20:58 Andrew Randrianasulu <randrianasulu at gmail.com>:

>
>
> вс, 24 июл. 2022 г., 15:17 Nicolas George <george at nsup.org>:
>
>> Andrew Randrianasulu (12022-07-24):
>> > /data/data/com.termux/files/usr/include/asm-generic/termbits.h:118:12:
>> > note: expanded from macro 'B0'
>> > #define B0 0000000 ^
>>
>> This is strange: B0 is indeed a constant that should be defined by
>> system headers, but libavcodec should never be including anything
>> related to termbits.h.
>>
>> Would you be able to track down how this file gets included from
>> aaccoder.c?
>>
>
>
>
> I tried to add -M flag to cflags right before make invocation, but it does
> not give me any new info.
>
> CFLAGS=-M make
>
> Yet adding -e to make arguments somewhat bypass those errors, and I have
> errors at linking instead (guess this is expected).
>
> I looked at libavcodec/Makefile but nothing jumped out at me ....
>


If I add -M directly to ffbuild/config.mak CFLAGS  compile error also
disappear, yet  linking fail like this


ld.lld: error: fftools/cmdutils.o:10966: unclosed quote
ld.lld: error: fftools/cmdutils.o:10966: unclosed quote ld.lld: error:
fftools/ffmpeg_filter.o:21: unknown directive: int
>>> int android_get_application_target_sdk_version()
__attribute__((__availability__(android,strict,introduced=24)));
>>> ^
clang-14: error: linker command failed with exit code 1 (use -v to see
invocation)
make: *** [Makefile:131: ffprobe_g] Error 1 make: *** Waiting for
unfinished jobs.... clang-14: error: linker command failed with exit code 1
(use -v to see invocation)

ld.lld: error: fftools/cmdutils.o:10966: unclosed quote
make: *** [Makefile:131: ffplay_g] Error 1 clang-14: error: linker command
failed with exit code 1 (use -v to see invocation)
make: *** [Makefile:131: ffmpeg_g] Error 1


May be clang does not support -M directive?

config.mak attached


>
>
>> Regards,
>>
>> --
>>   Nicolas George
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