diff --git a/rtems/config/rtems-gcc-4.4.7-newlib-1.18.0-1.cfg b/rtems/config/rtems-gcc-4.4.7-newlib-1.18.0-1.cfg
index aeb2a20..22ee2d8 100644
--- a/rtems/config/rtems-gcc-4.4.7-newlib-1.18.0-1.cfg
+++ b/rtems/config/rtems-gcc-4.4.7-newlib-1.18.0-1.cfg
@@ -19,15 +19,29 @@
 # AVR C++ does not work.
 #   configure: error: unable to detect exception model
 #
-%if %{target} == avr-rtems4.10
+%if %{_target} == avr-rtems4.10
 %define enable_cxx 0
 %endif
 
+#
+# M32C C++ does not work.
+#   gcc-4.4.7/libstdc++-v3/src/mt_allocator.cc:76: error: cast from 'void*' to 'size_t' loses precision
+#
+%if %{_target} == m32c-rtems4.10
+%define enable_cxx 0
+%endif
+
+%ifn %{defined enable_cxx}
+%define enable_cxx 1
+%endif
+
 #
 # The RTEMS 4.10 patches
 #
 Patch0:  gcc-core-4.4.7-rtems4.10-20120314.diff
+%if %{enable_cxx}
 Patch1:  gcc-g++-4.4.7-rtems4.10-20120314.diff
+%endif
 Patch10: newlib-1.18.0-rtems4.10-20110518.diff
 
 #