From owner-svn-ports-head@FreeBSD.ORG  Sun May 26 11:28:44 2013
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Date: Sun, 26 May 2013 11:28:44 +0000
From: Alexey Dokuchaev <danfe@FreeBSD.org>
To: Pietro Cerutti <gahr@FreeBSD.org>
Subject: Re: svn commit: r319044 - head/graphics/togl
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References: <201305251106.r4PB60W3082544@svn.freebsd.org>
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On Sat, May 25, 2013 at 11:06:00AM +0000, Pietro Cerutti wrote:
> New Revision: 319044
> URL: http://svnweb.freebsd.org/changeset/ports/319044
> 
> Log:
>   - Append to instead of overwrite CONFIGURE_ARGS
>  
> @@ -23,7 +19,7 @@ USE_TK_BUILD=	84+
>  USE_TK=		84+
>  USE_GMAKE=	yes
>  GNU_CONFIGURE=	yes
> -CONFIGURE_ARGS=	--with-tk=${TK_LIBDIR} \
> +CONFIGURE_ARGS+=--with-tk=${TK_LIBDIR} \
>  		--with-tcl=${TCL_LIBDIR} \
>  		--with-tclinclude=${TCL_INCLUDEDIR}

What was wrong with =, that is, overwriting an empty variable?  Appending
can be required for slave ports, for example, but to me it merely makes
things more confusing here (unless I'm missing something -- but then again,
commit log did not mention it).

./danfe