--- gromacs-3.2.1.ebuild	2004-12-28 21:17:54.000000000 -0600
+++ /usr/local/portage/sci-chemistry/gromacs/gromacs-3.2.1.ebuild	2005-04-24 03:32:33.000000000 -0500
@@ -4,7 +4,7 @@
 
 inherit eutils
 
-IUSE="mpi xml2"
+IUSE="mpi xml2 altivec"
 
 DESCRIPTION="The ultimate molecular dynamics simulation package"
 SRC_URI="ftp://ftp.gromacs.org/pub/${PN}/${P}.tar.gz"
@@ -12,7 +12,7 @@
 
 LICENSE="GPL-2"
 SLOT="0"
-KEYWORDS="x86 amd64"
+KEYWORDS="x86 amd64 ~ppc64"
 
 #mpi is a local USE flag now
 #May become official when situation with mpich is cleared (now the only mpi implementation awailable is lam-mpi)
@@ -34,6 +34,11 @@
 	then
 		myconf="${myconf} --enable-axp-asm"
 	fi
+	
+	if use !altivec
+	then
+		myconf="${myconf} --disable-ppc-altivec"
+	fi
 
 	# static should work but something's broken.
 	# gcc spec file may be screwed up.