--- /usr/portage/app-arch/arc/arc-5.21o.ebuild	2010-02-17 08:05:15.000000000 +0100
+++ arc-5.21p.ebuild	2010-10-04 17:53:17.745588053 +0200
@@ -6,7 +6,7 @@
 
 DESCRIPTION="Create & extract files from DOS .ARC files"
 HOMEPAGE="http://arc.sourceforge.net"
-SRC_URI="mirror://sourceforge/${PN}/${P}.tgz"
+SRC_URI="mirror://sourceforge/${PN}/${P}.tar.gz"
 
 LICENSE="GPL-2"
 SLOT="0"
@@ -18,9 +18,9 @@
 src_unpack() {
 	unpack ${A}
 	cd "${S}"
-	epatch "${FILESDIR}"/${P/o/m}-darwin.patch
-	epatch "${FILESDIR}"/${P/o/m}-gentoo-fbsd.patch
-	epatch "${FILESDIR}"/${P}-interix.patch
+	epatch "${FILESDIR}"/${P/p/m}-darwin.patch
+	epatch "${FILESDIR}"/${P/p/m}-gentoo-fbsd.patch
+	epatch "${FILESDIR}"/${P/p/o}-interix.patch
 	sed -i -e 's/CFLAGS = $(OPT) $(SYSTEM)/CFLAGS += $(SYSTEM)/' Makefile
 }