Index: lua-5.1.4/src/Makefile                                                         
===================================================================
--- a/src/Makefile.orig	2013-10-22 22:17:19.929103523 -0400
+++ a/src/Makefile	2013-10-22 22:18:27.992104545 -0400
@@ -9,7 +9,7 @@
 CC= gcc
 CFLAGS= -O2 -Wall -DLUA_COMPAT_ALL $(SYSCFLAGS) $(MYCFLAGS)
 LDFLAGS= $(SYSLDFLAGS) $(MYLDFLAGS)
-LIBS= -lm $(SYSLIBS) $(MYLIBS)
+LIBS= -lm -lpthread $(SYSLIBS) $(MYLIBS)
 
 AR= ar rcu
 RANLIB= ranlib