--- a/configure	2018-08-09 05:16:13.873709678 -0600
+++ b/configure	2018-08-09 05:18:07.484804671 -0600
@@ -5907,7 +5907,7 @@
 enabled pic && enable_weak_pic
 
 is_qmake5(){
-    $1 --version 2>&1 | egrep -q -e "Qt version 5\.[2-9]\.[0-9]"
+    $1 --version 2>&1 | egrep -q -e 'Qt version 5\.(([1-9][0-9]+)|[2-9])\.[0-9]'
 }
 
 # qmake-qt5 /usr/lib64/qt5/bin/qmake /usr/lib/x86_64-linux-gnu/qt5/bin/qmake