--- megactl-0.4.1.ebuild.org	2008-08-27 17:55:06.000000000 +0800
+++ megactl-0.4.1.ebuild	2008-08-27 17:53:24.000000000 +0800
@@ -16,6 +16,7 @@
 	unpack ${A}
 	cd "${S}"
 	epatch "${FILESDIR}"/${P}.patch
+	use amd64 && sed -i '5s/m32/m64/;8s/megatrace//' "${S}"/src/Makefile
 }
 
 src_compile() {
@@ -25,6 +26,11 @@
 
 src_install() {
 	cd src
-	dosbin megactl megasasctl megatrace
-	dodoc megarpt megasasrpt README
+	if use amd64; then
+		dosbin megactl megasasctl
+		ewarn "megatrace was not installed, because compile failed under amd64"
+	else
+		dosbin megactl megasasctl megatrace
+	fi
+	dodoc megarpt megasasrpt ../README
 }