[freetype2] gsoc-anurag-2022 8a29b81cb: * configure: s/egrep/grep -E/

[Werner Lemberg]

branch: gsoc-anurag-2022
commit 8a29b81cb2261f3d10f361510599f88560668629
Author: Werner Lemberg <wl@gnu.org>
Commit: Werner Lemberg <wl@gnu.org>

    * configure: s/egrep/grep -E/
    
    `egrep` is deprecated.
---
 configure | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index 404f13ce2..0b910900a 100755
--- a/configure
+++ b/configure
@@ -18,7 +18,7 @@ rm -f config.mk builds/unix/unix-def.mk builds/unix/unix-cc.mk
 # respect GNUMAKE environment variable for backward compatibility
 if test "x$GNUMAKE" = x; then
   if test "x$MAKE" = x; then
-    if test "x`make -v 2>/dev/null | egrep 'GNU|makepp'`" = x; then
+    if test "x`make -v 2>/dev/null | grep -E 'GNU|makepp'`" = x; then
       MAKE=gmake
     else
       MAKE=make
@@ -28,7 +28,7 @@ else
   MAKE=$GNUMAKE
 fi
 
-if test "x`$MAKE -v 2>/dev/null | egrep 'GNU|makepp'`" = x; then
+if test "x`$MAKE -v 2>/dev/null | grep -E 'GNU|makepp'`" = x; then
   echo "GNU make (>= 3.81) or makepp (>= 2.0) is required to build FreeType2." 
>&2
   echo "Please try" >&2
   echo >&2