--- mpqc-2.3.1-r1.ebuild.old	2006-09-19 11:30:29.000000000 -0500
+++ mpqc-2.3.1-r1.ebuild	2006-09-19 11:27:53.000000000 -0500
@@ -12,11 +12,11 @@
 SLOT="0"
 # Should work on x86, amd64 and ppc, at least
 KEYWORDS="~amd64 ppc ppc64 x86"
-IUSE="doc threads tcltk"
+IUSE="doc threads tk"
 
 RDEPEND="virtual/blas
 	virtual/lapack
-	tcltk? ( dev-lang/tk )"
+	tk? ( dev-lang/tk )"
 DEPEND="${RDEPEND}
 	sys-devel/flex
 	dev-lang/perl
@@ -29,7 +29,7 @@
 	cd "${S}"
 
 	# do not install tkmolrender if not requested
-	if ! use tcltk; then
+	if ! use tk; then
 		sed -e "s:.*/bin/molrender/tkmolrender.*::" \
 			-e "s:.*\$(INSTALLBINOPT) tkmolrender.*::" \
 			-e "s:/bin/rm -f tkmolrender::" \