[FFmpeg-devel] [PATCH] build system docs
Wed Oct 6 01:29:20 CEST 2010
On 10/06/2010 12:44 AM, Michael Niedermayer wrote:
> If i where configure maintainer a make fate would update the samples or
> download them if they arent there.
Donning my Gentoo hat now: I'd rather not have that automagically triggered.
Fetch documentation and a shortcut for lazy people is obviously nice =)
> New patch below (will commit soon if no objections)
> commit ec50e7502ee103800e80054ed067def230bcd56e
> Author: Michael Niedermayer<michaelni at gmx.at>
> Date: Tue Oct 5 22:34:34 2010 +0200
> custom build system documentation
> diff --git a/doc/build_system.txt b/doc/build_system.txt
> new file mode 100644
> index 0000000..d9e4f0a
> --- /dev/null
> +++ b/doc/build_system.txt
> @@ -0,0 +1,34 @@
> +FFmpeg currently uses a custom build system, this text attempts to document
> +some of its obscure features and options.
> +Options to make:
> +make V=1<target>
> + Build target with verbosity 1, instead of 1, 2 can be used too
I just checked defining V makes make verbose, no matter the value.
> +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.
s/if you have the hw/on multi processor systems/
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