Index: symbian.hpp
===================================================================
--- symbian.hpp	(revision 70956)
+++ symbian.hpp	(working copy)
@@ -14,11 +14,15 @@
 #define BOOST_SYMBIAN 1
 
 
-#if defined(__S60_3X__) && defined(__cplusplus)
+#if defined(__S60_3X__)
 // Open C / C++ plugin was introdused in this SDK, earlier versions don't have CRT / STL
 #  define BOOST_S60_3rd_EDITION_FP2_OR_LATER_SDK
 // make sure we have __GLIBC_PREREQ if available at all
-#  include <cstdlib>
+#ifdef __cplusplus
+#include <cstdlib>
+#else
+#include <stdlib.h>
+#endif
 // boilerplate code:
 #  define BOOST_HAS_UNISTD_H
 #  include <boost/config/posix_features.hpp>