From 8f56421e5fc4eff1142a6294b22a06a8de9b7a40 Mon Sep 17 00:00:00 2001
From: Ryan Schmidt <git@ryandesign.com>
Date: Thu, 8 Jul 2021 16:09:19 -0500
Subject: [PATCH] Avoid PCRE syntax when using grep

Avoid PCRE syntax when using grep because some versions of grep don't
support that.
---
 Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index e10b710..1ef3669 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -174,7 +174,7 @@ debuild-dirs: distdir
 DISTCHECK_CONFIGURE_FLAGS =
 
 check-versions:
-	@$(GREP) -e '^\s*version\s*:\s*.'$(VERSION)'.,' $(srcdir)/meson.build >/dev/null || { \
+	@$(GREP) -e "^[[:space:]]*version[[:space:]]*:[[:space:]]*'$(VERSION)'," $(srcdir)/meson.build >/dev/null || { \
 	  echo "======================================================================================"; \
 	  echo "Meson version does not seem to match autotools version $(VERSION), update meson.build!"; \
 	  echo "======================================================================================"; \