Re: parallel make and I/O of child processes

[Ralf Wildenhues]

* Stefano Lattarini wrote on Mon, Jan 24, 2011 at 11:38:28PM CET:
> Subject: [PATCH] docs: color-tests issues with parallel make
> 
> * doc/automake.texi (Simple Tests): Document that automatic
> recognition of a capable terminal attached to stdout can fail
> with some make implementation when running in parallel mode,
> thus causing colored test output not to be automatically
> activated when it should.

OK for maint with nits addressed.

Thanks,
Ralf

> --- a/doc/automake.texi
> +++ b/doc/automake.texi
> @@ -8589,6 +8589,12 @@ colored output by setting the @command{make} variable
>  @samp{AM_COLOR_TESTS=no}, or force colored output even without a connecting
>  terminal with @samp{AM_COLOR_TESTS=always}.
>  
> +Note that incompatible semantics of some @command{make} implementations

I'm not sure "incompatible" is right here, as there is no standard to
adhere to.  It seems s/incompatible/the/ would be more neutral.

> +when used in parallel mode (@pxref{Parallel make,,, autoconf, The Autoconf
> +Manual}) can cause the automatic detection of a connection to a capable
> +terminal to fail spuriously.  In that case, you can still resort to the

s/spuriously//

> +use of @samp{AM_COLOR_TESTS=always}.
> +
>  @vindex TESTS
>  @vindex TESTS_ENVIRONMENT
>  The variable @code{TESTS_ENVIRONMENT} can be used to set environment