fix(*): statically link cross builds

closes: #1362

Makefile

@@ -27,8 +27,9 @@ build:
 
 # usage: make build-cross dist VERSION=v2.0.0-alpha.3
 .PHONY: build-cross
+build-cross: LDFLAGS += -extldflags "-static"
 build-cross:
-	gox -output="_dist/{{.OS}}-{{.Arch}}/{{.Dir}}" -osarch='$(TARGETS)' $(GOFLAGS) -tags '$(TAGS)' -ldflags '$(LDFLAGS)' k8s.io/helm/cmd/helm
+	CGO_ENABLED=0 gox -output="_dist/{{.OS}}-{{.Arch}}/{{.Dir}}" -osarch='$(TARGETS)' $(GOFLAGS) -tags '$(TAGS)' -ldflags '$(LDFLAGS)' k8s.io/helm/cmd/helm
 
 .PHONY: dist
 dist: