[Buildroot] [PATCH 2/2 for 2015.11.x] package/gawk: do not use readeline ormpfr in host variant

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

Dear Yann E. MORIN,

Two typos in the commit title.

On Tue,  1 Dec 2015 23:19:07 +0100, Yann E. MORIN wrote:
> gawk has an optional dependency on mpfr (and thus gmp) and readline,
> and will probe for them. If they are present, they are used; if they
> are missing, that's not an error. mpfr (and gmp) is used for "BIGNUM"
> support on gawk; readline is used by the gawk debugger.
> 
> However, mpfr (bringing gmp) are also host-packages in Buildroot, but in
> the standard build order (i.e. a plain 'make'), they are built after
> gawk. Ditto readline (from ncurses).
> 
> If the user has the development files for gmp and mpfr, then gawk is
> linked to them. Ditto readline.
> 
> Now, further on in the build, we build gmp and mpfr (for gcci or guile),
> so we install them in the host dir. Ditto readline (for gdb, ncurses
> itself and a few other packages...)
> 
> But because we forcibly set an RPATH tag on all our host binaries, our
> host gawk will now dynamically link with our versions, when it was in
> fact built against the host ones.
> 
> This did not seem to cause any harm dso far, but is far from ideal.

dso -> so

> 
> Since we do not really need BIGNUM or the debugger in our host gawk, we
> just forcibly disable them and configure gawk without readline or mpfr
> (there's no switch for gmp, but it;s not a direct dependency, it comes

it;s -> it's

> -# We don't have a host-busybox
> +# We don't have a host-busybox, and we don't want to use mpfr

Is the comment really important, especially when it talks about mpfr
but not about readline ?

>  HOST_GAWK_DEPENDENCIES =
>  
> +HOST_GAWK_CONF_OPTS = --without-readline --without-mpfr
> +

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com