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To: gentoo-devhelp@g.o
From: Nikos Chantziaras <realnc@...>
Subject: Mutually exclusive USE flags
Date: Sun, 31 Jan 2010 01:31:35 +0200
What's the best way to have an ebuild abort if two mutually exclusive 
USE flags are both set?

I'm trying the modify the mozilla-firefox and xulrunner ebuilds to 
support building with OSS instead of ALSA (sadly, the current versions 
of the ebuilds in Portage only allow ALSA to be enabled, not OSS), but 
the build system of Xulrunner/Firefox does not allow to build with both. 
So I need to abort when both "alsa" and "oss" are set rather than having 
the build proceed and the user getting a compilation error later on.



Replies:
Re: Mutually exclusive USE flags
-- Ryan Hill
Re: Mutually exclusive USE flags
-- Mike Frysinger
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Updated Jun 03, 2012

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