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Date:      Wed, 7 Mar 2012 21:44:27 -0600
From:      Mark Linimon <linimon@lonesome.com>
To:        Andriy Gapon <avg@FreeBSD.org>
Cc:        bf1783@gmail.com, "b. f." <bf1783@googlemail.com>, freebsd-ports@FreeBSD.org
Subject:   Re: graphics/png does not build with lang/gcc
Message-ID:  <20120308034427.GC16364@lonesome.com>
In-Reply-To: <4F578AA7.4060008@FreeBSD.org>
References:  <CAGFTUwPUFdP=Z20%2BbL59qFuh_V6R1R-GcyrK03dxESL6ZyGz7A@mail.gmail.com> <4F578AA7.4060008@FreeBSD.org>

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On Wed, Mar 07, 2012 at 06:19:51PM +0200, Andriy Gapon wrote:
> BTW, our traditional taxonomy seems to be: "USE_XXX" is for stuff that ports
> really require, "WITH_XXX" is for user preferences.

This isn't a taxonomy suggestion, it's a documented requirement:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/porters-handbook/makefile-depend.html#USE-VARS

This often trips up users.  See the (Note).

If there are lurking uses of WITH_ or WITHOUT_ in port Makefiles where
USE_ is intended, they are bugs.

mcl



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