[ERROR][ROM][5.0.2] SlimLP by SlimRoms topic

Hey guys,
I have been trying to build SlimLP ROM for SG SII. I have almost compiled the ROM, but this error is killing me now.
http://pastebin.com/ta9k4JMg
Anyone could help me out with this? It is a toolchain error, says "cannot find -lpthread".
Thanks,
Regards.