diff --git a/rtems/config/tools/rtems-gcc-4.8.1-newlib-cvs-1.cfg b/rtems/config/tools/rtems-gcc-4.8.1-newlib-cvs-1.cfg
index 3e5bbb4..4025b9e 100644
--- a/rtems/config/tools/rtems-gcc-4.8.1-newlib-cvs-1.cfg
+++ b/rtems/config/tools/rtems-gcc-4.8.1-newlib-cvs-1.cfg
@@ -14,7 +14,10 @@
 
 %define with_threads 1
 %define with_plugin  0
-%define with_iconv   1
+
+%ifn %{defined with_iconv}
+%define with_iconv 1
+%endif
 
 # Incompatible with Texinfo 5
 %if %{__makeinfo_ver} >= 5.0
@@ -31,6 +34,11 @@ Source10: cvs://pserver:anoncvs@sourceware.org/cvs/src?module=newlib?src-prefix=
 #
 %define rtems_gcc_patch1 %{rtems_gcc_patches}/gcc-4.8.1-rtems4.11-20130709.diff
 
+#
+# Chris's patch to use the POSIX thread model for C++.
+#
+%define rtems_gcc_patch2 %{rtems_gcc_patches}/gcc-rtems-thread-model-posix-1.diff
+
 #
 # Joel's stack_t patch.
 #