diff --git a/include/boost/config/platform/linux.hpp b/include/boost/config/platform/linux.hpp
index 113694a4..61fb23c2 100644
--- a/include/boost/config/platform/linux.hpp
+++ b/include/boost/config/platform/linux.hpp
@@ -25,6 +25,13 @@
 #  endif
 #endif
 
+//
+// como on linux doesn't have std:: c functions:
+//
+#ifdef __COMO__
+#  define BOOST_NO_STDC_NAMESPACE
+#endif
+
 //
 // If glibc is past version 2 then we definitely have
 // gettimeofday, earlier versions may or may not have it: