[FFmpeg-devel] [PATCH] build system docs

Diego Biurrun diego
Tue Oct 5 22:54:40 CEST 2010

On Tue, Oct 05, 2010 at 10:42:12PM +0200, Michael Niedermayer wrote:
> some (still incomplete but i cant finish it and its better than nothing)
> docs about the build system
> ill commit within a day if there are no objections
> --- /dev/null
> +++ b/doc/build_system.txt
> @@ -0,0 +1,32 @@
> +make -t <target>
> +    Touch all files that otherwise would be build, this is useful to reduce
> +    unneeded rebuilding when changing headers, but note you must force rebuilds
> +    of files that actually need it by hand than.
> +
> +make -j<num>
> +    rebuild with multiple jobs at the same time. Faster if you have the hw
> +
> +make -k
> +    continue build in case of errors, this is usefull for the regression tests
> +    sometimes but note it will still not run all reg tests.

silver:$ make --help
Usage: make [options] [target] ...
  -j [N], --jobs[=N]          Allow N jobs at once; infinite jobs with no arg.
  -k, --keep-going            Keep going when some targets can't be made.
  -t, --touch                 Touch targets instead of remaking them.


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