--- squid-3.5.15.ebuild	2016-03-20 20:47:06.000000000 +0900
+++ squid-3.5.15-r1.ebuild	2016-03-30 07:49:18.514385729 +0900
@@ -32,7 +32,8 @@
 	!x86-fbsd? ( logrotate? ( app-admin/logrotate ) )
 	>=sys-libs/db-4:*
 	dev-lang/perl
-	dev-libs/libltdl:0"
+	dev-libs/libltdl:0
+	sys-devel/automake:1.13"
 DEPEND="${COMMON_DEPEND}
 	ecap? ( virtual/pkgconfig )
 	sys-apps/ed