mingw/mingw-packages/mingw-w64-dmake/001-detect-mingw.patch

--- a/configure	2012-11-27 12:44:45 +0400
+++ b/configure	2012-11-27 12:12:26 +0400
@@ -4349,7 +4349,7 @@
 	  OS_VERSION=cygwin
 	  CASE_INSENSITIVE_FS=true
 	  ;;
-	"MINGW")
+	MINGW*)
 	  OS_VERSION=mingw
 	  OS_TYPE=winnt
 	  BUILDINFO="Windows / MinGW"