File fix-gcc6-detection.diff of Package mingw32-libqt4
diff --git a/configure b/configure
index 10ad7ca..3cdae43 100644
--- a/configure
+++ b/configure
@@ -8050,7 +8050,7 @@ g++*)
3.*)
COMPILER_VERSION="3.*"
;;
- 5*|4.*)
+ 13*|12*|11*|10*|[456789]*)
COMPILER_VERSION="4"
;;
*)