distrib/macports/Portfile.in: Use -fno-strict-aliasing flag for Mac OS X Lion.

ChangeLog

+2011-09-15  Guillaume Lazzara  <z@lrde.epita.fr>
+
+	* distrib/macports/Portfile.in: Use -fno-strict-aliasing flag for
+	Mac OS X Lion.
+
 2011-09-15  Guillaume Lazzara  <z@lrde.epita.fr>
 
 	Fix Portfile dependencies.

distrib/macports/Portfile.in

@@ -39,4 +39,9 @@ variant swilena description {Add Python bindings} {
     configure.args-append --enable-swilena
 }
 
-default_variants    +scribo
\ No newline at end of file
+# Temporary workaround because of a Apple's GCC bug.
+platform darwin 11 {
+    configure.env-append CXXFLAGS=-fno-strict-aliasing
+}
+
+default_variants    +scribo