From 02de4277aeb6067d1ce561a19cc39a55538f1253 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@ruby-lang.org>
Date: Thu, 3 Sep 2015 00:10:09 +0900
Subject: [PATCH] * improve the output

---
 Makefile            | 4 ++--
 src/Makefile.gen.rb | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index 1dc75c10..bb6b64bb 100644
--- a/Makefile
+++ b/Makefile
@@ -24,10 +24,10 @@ all: QR2.rb
 	@echo "##  CHECK  ##"
 	@echo "#############"
 	@echo
-	diff QR.rb QR2.rb
+	diff -s QR.rb QR2.rb
 
 check: all
-	sha1sum --quiet -c SHA1SUMS
+	@sha1sum --quiet -c SHA1SUMS
 
 QR.scala: QR.rb
 	@echo
diff --git a/src/Makefile.gen.rb b/src/Makefile.gen.rb
index cb0b033f..689a7f70 100644
--- a/src/Makefile.gen.rb
+++ b/src/Makefile.gen.rb
@@ -34,10 +34,10 @@ def banner(s1, s2=nil, i=nil)
 END
 OUT << "all: QR2.rb"
 banner("CHECK")
-OUT << "\tdiff QR.rb QR2.rb"
+OUT << "\tdiff -s QR.rb QR2.rb"
 OUT << ""
 OUT << "check: all"
-OUT << "\tsha1sum --quiet -c SHA1SUMS"
+OUT << "\t@sha1sum --quiet -c SHA1SUMS"
 
 [*RunSteps, RunStep["Ruby", "QR2.rb"]].each_cons(2).with_index do |(s1, s2), i|
   cmd = s1.cmd_make.gsub("OUTFILE", s2.src)