[FFmpeg-devel] [PATCH] build system docs
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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