* configure: Use egrep, not grep.
Problem reported Mojca Miklavec <mojca.miklavec.lists@gmail.com>.
diff --git a/configure b/configure
index b0c6d53..4d8a945 100755
--- a/configure
+++ b/configure
@@ -18,7 +18,7 @@
# respect GNUMAKE environment variable for backwards compatibility
if test "x$GNUMAKE" = x; then
if test "x$MAKE" = x; then
- if test "x`make -v 2>/dev/null | grep '\(GNU\|makepp\)'`" = x; then
+ if test "x`make -v 2>/dev/null | egrep 'GNU|makepp'`" = x; then
MAKE=gmake
else
MAKE=make
@@ -28,7 +28,7 @@
MAKE=$GNUMAKE
fi
-if test "x`$MAKE -v 2>/dev/null | grep '\(GNU\|makepp\)'`" = x; then
+if test "x`$MAKE -v 2>/dev/null | egrep 'GNU|makepp'`" = x; then
echo "GNU make (>= 3.80) or makepp (>= 1.19) is required to build FreeType2." >&2
echo "Please try" >&2
echo >&2