Merge pull request #870 from linux-on-ibm-z/master

Added support for s390x

Author: mattfarina

Makefile

@@ -31,7 +31,7 @@ build-all:
 	gox -verbose \
 	-ldflags "-X main.version=${VERSION}" \
 	-os="linux darwin windows freebsd openbsd netbsd" \
-	-arch="amd64 386 armv5 armv6 armv7 arm64" \
+	-arch="amd64 386 armv5 armv6 armv7 arm64 s390x" \
 	-osarch="!darwin/arm64" \
 	-output="dist/{{.OS}}-{{.Arch}}/{{.Dir}}" .