It's been sugested that perhaps the _USE_ICONV variable set in the
libiconv buildlink2.mk file should maybe be changed to or set aan
additional variable, USE_GNU_ICONV, so that packages such as glib2
that have some special arguments for configure that are needed when
using libiconv instead of the native iconv can do things like:

.if defined(USE_GNU_ICONV)
CONFIGURE_ARGS+=	--with-iconv=gnu
.endif

Any comments on this?  

-Dan

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