From dce103d283609582709545aa58d41a12b1a3e934 Mon Sep 17 00:00:00 2001
From: Ralf Jung <jung@mpi-sws.org>
Date: Thu, 24 Jan 2019 20:06:55 +0100
Subject: [PATCH] use egrep -q

---
 Makefile.coq.local | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile.coq.local b/Makefile.coq.local
index aea52fd9..0c66b18a 100644
--- a/Makefile.coq.local
+++ b/Makefile.coq.local
@@ -8,7 +8,7 @@ test: $(TESTFILES:.v=.vo)
 .PHONY: test
 
 COQ_TEST=$(COQTOP) $(COQDEBUG) -batch -test-mode
-COQ_OLD=$(shell echo "$(COQ_VERSION)" | egrep "^8\.7\b" > /dev/null && echo 1)
+COQ_OLD=$(shell echo "$(COQ_VERSION)" | egrep "^8\.7\b" -q && echo 1)
 COQ_MINOR_VERSION=$(shell echo "$(COQ_VERSION)" | egrep '^[0-9]+\.[0-9]+\b' -o)
 
 # Can't use pipes because that discards error codes and dash provides no way to control that.
-- 
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