macOS build support

tier1/mempool.cpp

@@ -12,8 +12,12 @@
 #include "tier1/strtools.h"
 
 #ifndef _PS3
+#ifdef _OSX
+#include <malloc/malloc.h>
+#else
 #include <malloc.h>
 #endif
+#endif
 
 // Should be last include
 #include "tier0/memdbgon.h"

tier1/wscript

@@ -84,6 +84,8 @@ def build(bld):
 	libs = []
 	if bld.env.DEST_OS == 'win32':
 		libs += ['RPCRT4']
+	elif bld.env.DEST_OS == "darwin":
+		libs += ['ICONV']
 		
 	bld.stlib(
 		source   = source,