From 3627bc89603350d24ec01841a05e59926096a9a5 Mon Sep 17 00:00:00 2001
From: Levi Zim <rsworktech@outlook.com>
Date: Fri, 13 Sep 2024 20:00:14 +0800
Subject: [PATCH] refactor: use grep -E instead of egrep (#2141)

Co-authored-by: Jacob Coffee <jacob@z7x.org>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index dc296feb4..50585463a 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ default:
 	@$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null\
         | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}'\
         | sort\
-        | egrep -v -e '^[^[:alnum:]]' -e '^$@$$'
+        | grep -E -v -e '^[^[:alnum:]]' -e '^$@$$'
 	@echo
 	@exit 1