From 5fb38ce49cf112af7070f59160b23fe960cb2429 Mon Sep 17 00:00:00 2001
From: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
Date: Fri, 13 Jan 2017 03:53:00 +0000
Subject: [PATCH] Makefile: allow `make install` without `go`

Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
---
 Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index c58f64a..da975ef 100644
--- a/Makefile
+++ b/Makefile
@@ -111,8 +111,10 @@ clean: ## clean up binaries
 	@echo "🐳 $@"
 	@rm -f $(BINARIES)
 
-install: $(BINARIES) ## install binaries
-	@echo "🐳 $@"
+install: ## install binaries
+	@ls $(BINARIES) > /dev/null 2>&1 || \
+		(echo "👹 Please run \`make\` before running \`make install\`." && false)
+	@echo "🐳 $@ $(BINARIES)"
 	@mkdir -p $(DESTDIR)/bin
 	@install $(BINARIES) $(DESTDIR)/bin