--- origsrc/gcc-4.8-20130310/libstdc++-v3/configure	2013-03-15 02:47:51.930826600 -0500
+++ src/gcc-4.8-20130310/libstdc++-v3/configure	2013-03-17 00:43:35.146679400 -0500
@@ -46017,7 +46017,7 @@ $as_echo "#define HAVE_TLS 1" >>confdefs
 	;;
     esac
     ;;
-  *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-knetbsd*-gnu)
+  *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-knetbsd*-gnu | *-cygwin*)
 
   # All these tests are for C++; save the language and the compiler flags.
   # The CXXFLAGS thing is suspicious, but based on similar bits previously
--- origsrc/gcc-4.8-20130310/libstdc++-v3/crossconfig.m4	2013-03-15 02:47:51.723814700 -0500
+++ src/gcc-4.8-20130310/libstdc++-v3/crossconfig.m4	2013-03-17 00:40:59.084753200 -0500
@@ -141,7 +141,7 @@ case "${host}" in
 	;;
     esac
     ;;
-  *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-knetbsd*-gnu)
+  *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-knetbsd*-gnu | *-cygwin*)
     GLIBCXX_CHECK_COMPILER_FEATURES
     GLIBCXX_CHECK_LINKER_FEATURES
     GLIBCXX_CHECK_MATH_SUPPORT
--- origsrc/gcc-4.7.2/libstdc++-v3/testsuite/lib/libstdc++.exp	2012-08-06 22:34:27.000000000 +0800
+++ src/gcc-4.7.2/libstdc++-v3/testsuite/lib/libstdc++.exp	2013-02-26 19:31:07.934763700 +0800
@@ -146,6 +146,9 @@ proc libstdc++_init { testfile } {
         set gccdir [file dirname $gccdir]
 	append ld_library_path_tmp ":${gccdir}"
     }
+    if { [string match "*-*-cygwin*" $target_triplet] } {
+	append ld_library_path_tmp ":${blddir}/../libgcc"
+    }
     v3track gccdir 3
 
     # Locate libgomp. This is only required for parallel mode.