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On 20:26 Wed 06 Oct , Michał Górny wrote:
> On Wed, 6 Oct 2010 12:52:33 -0500
> Donnie Berkholz <dberkholz@g.o> wrote:
>
> > > local flag=${1}
> > > local varname=${2:-${flag#!}}
> >
> > Could you explain how this works to me, please? It seems like you're
> > reversing the logic when people use the !flag syntax.
>
> It's just the variable (macro) name; the 'flag' var passes ! to use.
> This stripping is just intended to avoid outputting things like
> '!ssl=1' by default, and avoid guesses like 'nossl'.
So what happens if I want the !use syntax and say `use_scons !ssl
nossl`?
--
Thanks,
Donnie
Donnie Berkholz
Sr. Developer, Gentoo Linux
Blog: http://dberkholz.wordpress.com
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