diff -r 2e6e59022e6e lib/triangulator.cpp
--- a/lib/triangulator.cpp	Fri Nov 09 09:35:35 2012 +1100
+++ b/lib/triangulator.cpp	Thu Nov 28 13:34:52 2013 +0600
@@ -27,6 +27,13 @@
 
 #include <algorithm>
 
+// Support for latest Clang/LLVM on FreeBSD which does have different libcxx.
+//
+// TODO(sergey): Move it some some more generic header with platform-specific
+//               declarations.
+#ifdef _LIBCPP_VERSION
+#  define __is_heap is_heap
+#endif
 
 namespace {
   // private code related to hole patching.