Hi Gyan, On Sat, Mar 29, 2025 at 6:11 AM Gyan Doshi <ffm...@gyani.pro> wrote: > On 2025-03-27 10:03 am, Gyan Doshi wrote: > > On 2025-03-26 11:37 pm, Andreas Rheinhardt wrote: > >> Gyan Doshi: > >>> On 2025-03-25 05:11 pm, Ramiro Polla wrote: > >>>> On Sat, Mar 22, 2025 at 5:33 AM Gyan Doshi <ffm...@gyani.pro> wrote: > >>>>> On 2025-03-22 03:29 am, Martin Storsjö wrote: > >>>>>> On Fri, 21 Mar 2025, Gyan Doshi wrote: > >>>>>>> ffbuild/library.mak | 7 +++++-- > >>>>>>> 1 file changed, 5 insertions(+), 2 deletions(-) > >>>>>>> > >>>>>>> diff --git a/ffbuild/library.mak b/ffbuild/library.mak > >>>>>>> index 7e1871b74c..15302852ec 100644 > >>>>>>> --- a/ffbuild/library.mak > >>>>>>> +++ b/ffbuild/library.mak > >>>>>>> @@ -36,7 +36,8 @@ endif > >>>>>>> $(SUBDIR)$(LIBNAME): $(OBJS) $(STLIBOBJS) > >>>>>>> $(RM) $@ > >>>>>>> ifeq ($(AR_OBJS),true) > >>>>>>> - $(Q)echo $^ > $@.objs > >>>>>>> + -$(RM) $@.objs > >>>>>>> + $(Q)$(foreach ARG,$^,echo -n "$(ARG) " >> $@.objs;) > >>>>>> Does this instance even work, it looks broken, like it is missing > >>>>>> something? > >>>>> Tested both static and shared building. All working with no > >>>>> noticeable > >>>>> speed difference although I didn't formally bench. > >>>> It's generally a good idea to check for and report the speed > >>>> differences. Even if just for the sake of curiosity. > >>> So, with this configure: > >>> > >>> --disable-doc --disable-w32threads --enable-pthreads --disable- > >>> autodetect --cc="ccache gcc" --enable-static --enable-shared --extra- > >>> ldflags="-static" --enable-gpl --enable-version3 > >>> > >>> I ran one priming run + 5 repeat runs of `time make -j4`. > >>> > >>> Before, real ranged from 2m10.188s to 2m12.154s > >>> After, real ranged from 2m12.486s to 2m13.405s > >>> > >>> I also ran one priming run + 5 repeat runs of `time make -j4 > >>> libavcodec/libavcodec.a libavcodec/avcodec.dll`. > >>> > >>> Before, real ranged from 1m34.232s to 1m42.721s > >>> After, real ranged from 1m32.360s to 1m39.484s > >>> > >> I presume this command compiled the whole of FFmpeg/libavcodec, i.e. it > >> did not just link, didn't it? > > > > Its deps, are *.o in lavu, lswr, lavc, but after the priming run, all > > the cc steps would be cache hits, > > so the bulk of the fresh executions are the linking steps. > > Plan to push tomorrow.
Did you not try to use GNU make's flie function? https://www.gnu.org/software/make/manual/html_node/File-Function.html Ramiro _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
