Index: gcc-47/src/gcc/configure.ac
===================================================================
--- gcc-47.orig/src/gcc/configure.ac	2014-04-18 16:34:16.921944411 +0400
+++ gcc-47/src/gcc/configure.ac	2014-04-18 16:37:04.187748582 +0400
@@ -5169,15 +5169,21 @@
       : # No need to use a flag
       AC_MSG_RESULT([yes])
     else
-      AC_MSG_RESULT([yes])
       AC_MSG_CHECKING([for -rdynamic])
       ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest$ac_exeext > /dev/null 2>&1
       if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
         plugin_rdynamic=yes
         pluginlibs="-rdynamic"
       else
-        plugin_rdynamic=no
-        enable_plugin=no
+        AC_MSG_CHECKING([for -Wl,-export-dynamic])
+        ${CC} ${CFLAGS} ${LDFLAGS} -Wl,-export-dynamic conftest.c -o conftest > /dev/null 2>&1
+        if $export_sym_check conftest | grep foobar > /dev/null; then
+          plugin_rdynamic=yes
+          pluginlibs="-Wl,-export-dynamic"
+        else
+          plugin_rdynamic=no
+          enable_plugin=no
+        fi
       fi
       AC_MSG_RESULT([$plugin_rdynamic])
     fi