[patch] configure.in: Add --enable-libssp and --disable-libssp.

[Kazu Hirata]

Hi Alex,

> make the if:
> 
>   if test -f ${srcdir}/$i/configure &&
>      eval test \"\${enable_$i}\" != no; then
> 
> 
> Ditto for build_configdirs_all and target_configdirs_all, adding
> build_ and target_ and using $j as appropriate.

I like this idea.  It's useful as quick bank-aid in case of breakage and 
also for regular customized builds.  I might get to this this weekend, 
but don't hold your breath. :-)

 > I'm pretty sure I had such a patch at some point, but I lost the
 > source tree that carried it in a disk crash (and never used raid 0
 > for disposable source and build trees again :-)

At least back up patches. :-)

Kazu Hirata