---
 config/mh-mingw |    3 +++
 configure       |    1 +
 configure.in    |    1 +
 3 files changed, 5 insertions(+)

Index: gcc-4.2.3/config/mh-mingw
===================================================================
--- /dev/null
+++ gcc-4.2.3/config/mh-mingw
@@ -0,0 +1,3 @@
+# Add -D__USE_MINGW_ACCESS to enable the built compiler to work on Windows
+# Vista (see PR33281 for details).
+BOOT_CFLAGS += -D__USE_MINGW_ACCESS
Index: gcc-4.2.3/configure.in
===================================================================
--- gcc-4.2.3.orig/configure.in
+++ gcc-4.2.3/configure.in
@@ -929,6 +929,7 @@ case "${host}" in
     host_makefile_frag="config/mh-cygwin"
     ;;
   *-mingw32*)
+    host_makefile_frag="config/mh-mingw"
     ;;
   *-interix*)
     host_makefile_frag="config/mh-interix"
Index: gcc-4.2.3/configure
===================================================================
--- gcc-4.2.3.orig/configure
+++ gcc-4.2.3/configure
@@ -1769,6 +1769,7 @@ case "${host}" in
     host_makefile_frag="config/mh-cygwin"
     ;;
   *-mingw32*)
+    host_makefile_frag="config/mh-mingw"
     ;;
   *-interix*)
     host_makefile_frag="config/mh-interix"