From 4555e788613f1f5d1e8519427591bef3274d3124 Mon Sep 17 00:00:00 2001
From: Simon Josefsson <simon@josefsson.org>
Date: Tue, 1 Nov 2022 09:06:56 +0100
Subject: maintainer-makefile: Add syntax-check rule for unportable 'grep -q'.

* top/maint.mk (sc_unportable_grep_q): Add.
---
 top/maint.mk | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'top')

diff --git a/top/maint.mk b/top/maint.mk
index 045609c285..85b15fb2d2 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -1373,6 +1373,10 @@ sc_vulnerable_makefile_CVE-2012-3386:
 	  '  see https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-3386 for details') \
 	  $(_sc_search_regexp)
 
+sc_unportable_grep_q:
+	@prohibit='grep -q' halt="unportable 'grep -q', use >/dev/null instead" \
+	  $(_sc_search_regexp)
+
 vc-diff-check:
 	$(AM_V_GEN)(unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || :
 	$(AM_V_at)if test -s vc-diffs; then			\
-- 
cgit v1.2.1