--- gcc-4.7.2/libstdc++-v3/crossconfig.m4.orig	2013-02-14 22:28:18.658593360 +0100
+++ gcc-4.7.2/libstdc++-v3/crossconfig.m4	2013-02-14 22:28:33.085177064 +0100
@@ -150,7 +150,7 @@
     GCC_CHECK_TLS
     AM_ICONV
     ;;
-  *-mingw32*)
+  *-mingw*)
     GLIBCXX_CHECK_LINKER_FEATURES
     GLIBCXX_CHECK_MATH_SUPPORT
     GLIBCXX_CHECK_STDLIB_SUPPORT