On 8/31/2016 5:26 AM, Timo Rothenpieler wrote:
>>> + echo 'NV_ENCODE_API_FUNCTION_LIST flist;'
>>> + echo 'void f(void) { struct { const GUID guid; } s[] = { {
>>> NV_ENC_PRESET_HQ_GUID } }; }'
>>
>> This will most likely prevent nvenc from being enabled for msvc 2012, but
>> not old
>> mingw32, which is failing with the error:
>>
>> src/libavcodec/nvenc.c:115:52: error: 'ENOBUFS' undeclared here (not in a
>> function)
>> { NV_ENC_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOBUFS), "not enough
>> buffer" },
>>
>> I think the easiest solution would be using AVERROR_BUFFER_TOO_SMALL if
>> ENOBUFS is
>> not defined.
>
> Yes, if that's all that's failing, I'll just do that.
>
>> That or just disable nvenc if using mingw32 toolchains by checking "enabled
>> libc_mingw32", since disabling for target-os == mingw32 would also affect
>> mingw-w64.
>
>> gcc-asan fails with
>>
>> /usr/bin/ld: libavcodec/libavcodec.a(nvenc.o): undefined reference to symbol
>> 'dlsym@@GLIBC_2.2.5'
>> /usr/lib/../lib/libdl.so.2: error adding symbols: DSO missing from command
>> line
>> collect2: error: ld returned 1 exit status
>>
>> I have no idea how to deal with this.
>
> When and how are you seeing that error?
> That usually means a wrong order of libraries/object-files on linker
> command line.
http://fate.ffmpeg.org/history.cgi?slot=x86_64-archlinux-gcc-asan
Check the "Compile" logs for the failing runs.
A simple "configure --toolchain=gcc-asan" seems to be enough to get this error.
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