--- configure.ac	2021-10-08 15:47:53.143499100 -0500
+++ configure.ac-patched	2021-10-08 15:47:37.039454500 -0500
@@ -516,8 +516,13 @@
   if test -z "$use_precomp"; then
     if test "X$GCC" = Xyes; then
       if gcc_version=`$CC -dumpversion` > /dev/null 2>&1; then
-        major=`echo $gcc_version | cut -d. -f1`
-        minor=`echo $gcc_version | sed "s/@<:@-,a-z,A-Z@:>@.*//" | cut -d. -f2`
+      	if echo $host_os | grep "mingw" > /dev/null 2>&1; then
+      	  major=`echo $gcc_version | cut -d\- -f1`
+      	  minor=`echo $gcc_version | sed "s/@<:@-,a-z,A-Z@:>@.*//" | cut -d\- -f2`
+      	else
+      	  major=`echo $gcc_version | cut -d. -f1`
+      	  minor=`echo $gcc_version | sed "s/@<:@-,a-z,A-Z@:>@.*//" | cut -d. -f2`
+      	fi
         if test -z "$major" || test -z "$minor"; then
           use_precomp=no
         elif test "$major" -ge 4; then