Merge pull request #3734 from thypon/flannel

New package: flannel-0.5.5

srcpkgs/flannel/files/flannel/run

@@ -0,0 +1,3 @@
+#!/bin/sh
+sv check etcd >/dev/null || exit 1
+exec flannel

srcpkgs/flannel/template

@@ -0,0 +1,21 @@
+# Template file for 'flannel'
+pkgname=flannel
+version=0.5.5
+revision=1
+build_style=go
+short_desc="Etcd backed network fabric for containers"
+maintainer="Andrea Brancaleoni <miwaxe@gmail.com>"
+depends="etcd"
+license="Apache-2.0"
+go_import_path="github.com/coreos/flannel"
+homepage="https://$go_import_path"
+distfiles="$homepage/archive/v${version}.tar.gz"
+checksum=dbbcb08c0e70713b0c920387a9967e5b30ef833c8118c847edbbca4f68ff0562
+
+pre_build() {
+	CGO_CFLAGS="${CGO_CFLAGS/-O2/}" # Disable optimizations because of a cgo bug in Go 1.6
+}
+
+post_install() {
+	vsv flannel
+}