This file is part of MXE.
See index.html for further information.

This patch has been taken from:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60981

diff -ur gcc-4.9.0.orig/lto-plugin/configure gcc-4.9.0/lto-plugin/configure
--- gcc-4.9.0.orig/lto-plugin/configure	2014-04-25 20:34:02.000000000 +1000
+++ gcc-4.9.0/lto-plugin/configure	2014-04-25 20:34:58.000000000 +1000
@@ -4087,8 +4087,50 @@
   done
 CFLAGS="$save_CFLAGS"
 
+# Check whether -static-libstdc++ -static-libgcc is supported.
+have_static_libs=no
+if test "$GCC" = yes; then
+  saved_LDFLAGS="$LDFLAGS"
+
+  LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether g++ accepts -static-libstdc++ -static-libgcc" >&5
+$as_echo_n "checking whether g++ accepts -static-libstdc++ -static-libgcc... " >&6; }
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
+#error -static-libstdc++ not implemented
+#endif
+int main() {}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }; have_static_libs=yes
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+  LDFLAGS="$saved_LDFLAGS"
+fi
+
 # Need -Wc to get it through libtool.
-if test "x$GCC" = xyes; then ac_lto_plugin_ldflags="-Wc,-static-libgcc"; fi
+if test "x$have_static_libs" = xhave_static_libs; then ac_lto_plugin_ldflags="-Wc,-static-libgcc"; fi
 
 case `pwd` in
   *\ * | *\	*)