--- acl-2.2.51.ebuild.orig	2011-05-07 15:15:55.464997470 -0400
+++ acl-2.2.51.ebuild	2011-05-07 15:21:45.438997381 -0400
@@ -38,6 +38,10 @@
 		-e '/HAVE_ZIPPED_MANPAGES/s:=.*:=false:' \
 		include/builddefs.in \
 		|| die "failed to update builddefs"
+	sed -i \
+		-e '/^SHELL/s:=.*:=/bin/bash:' \
+		include/buildmacros \
+		|| die "failed to update buildmacros"
 	strip-linguas po
 }