Gentoo Logo
Gentoo Spaceship




Note: Due to technical difficulties, the Archives are currently not up to date. GMANE provides an alternative service for most mailing lists.
c.f. bug 424647
List Archive: gentoo-dev
Navigation:
Lists: gentoo-dev: < Prev By Thread Next > < Prev By Date Next >
Headers:
To: gentoo-dev@g.o
From: Mike Frysinger <vapier@g.o>
Subject: Re: new `usex` helper
Date: Tue, 13 Sep 2011 18:13:10 -0400
On Tuesday, September 13, 2011 18:01:25 Alec Warner wrote:
> On Tue, Sep 13, 2011 at 2:56 PM, Mike Frysinger wrote:
> > this is so i can do:
> >        export some_var=$(usex some_flag)
> > and get it set to "yes" or "no"
> 
> If the intent is to use it for logic:
> 
> export some_var=$(usex some_flag)
> 
> if [[ $some_var == yes ]]; then
>  # buttsex
> fi

that is not the intent

> Then I recommend making true / false the default and then doing
> 
> if $some_var; then
>   # buttsex
> fi

the point is to use it to construct vars that get passed to scripts like econf 
or programs like emake

	ac_cv_some_header=$(usex foo) \
	econf ...

	emake USE_POOP=$(usex poo)
-mike
Attachment:
signature.asc (This is a digitally signed message part.)
Replies:
Re: new `usex` helper
-- Brian Harring
References:
new `usex` helper
-- Mike Frysinger
Re: new `usex` helper
-- Alec Warner
Navigation:
Lists: gentoo-dev: < Prev By Thread Next > < Prev By Date Next >
Previous by thread:
Re: new `usex` helper
Next by thread:
Re: new `usex` helper
Previous by date:
Re: new `usex` helper
Next by date:
Re: new `usex` helper


Updated Jun 29, 2012

Summary: Archive of the gentoo-dev mailing list.

Donate to support our development efforts.

Copyright 2001-2013 Gentoo Foundation, Inc. Questions, Comments? Contact us.