[FFmpeg-devel] [PATCH] build system docs

[Luca Barbato]

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/usefull/useful

s/if you have the hw/on multi processor systems/

lu

-- 

Luca Barbato
Gentoo/linux
http://dev.gentoo.org/~lu_zero