--- a/sipcalc-1.1.4.ebuild	2009-09-23 20:06:50.000000000 +0000
+++ a/sipcalc-1.1.4.ebuild	2010-11-11 03:22:50.262299304 +0000
@@ -2,6 +2,8 @@ 
 # Distributed under the terms of the GNU General Public License v2
 # $Header: /var/cvsroot/gentoo-x86/net-misc/sipcalc/sipcalc-1.1.4.ebuild,v 1.4 2009/09/23 19:44:24 patrick Exp $
 
+EAPI="2"
+
 DESCRIPTION="Sipcalc is an advanced console-based IP subnet calculator."
 HOMEPAGE="http://www.routemeister.net/projects/sipcalc/"
 SRC_URI="http://www.routemeister.net/projects/${PN}/files/${P}.tar.gz"
@@ -12,6 +14,17 @@ 
 
 DEPEND=""
 
+src_prepare() {
+	# Fix "format not a string literal"
+	sed -i \
+		-e 's/snprintf.*16,/& "%s",/' \
+		src/sub-output.c || die
+	# Fix "will always overflow destination buffer"
+	sed -i \
+		-e 's/\(snprintf(\(ifarg_cur->errorstr\), \)127/\1sizeof(\2)/' \
+		src/sub.c || die
+}
+
 src_install() {
 	make DESTDIR="${D}" install || die "make install failed"
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