--- ./CMakeLists.txt.orig	2013-01-02 07:56:30.920523149 +0000
+++ ./CMakeLists.txt	2013-01-02 07:57:27.844341140 +0000
@@ -134,6 +134,7 @@
 find_library(M_LIB m)
 find_library(RT_LIB rt)
 find_library(CRYPTO_LIB crypt)
+find_library(PTHREAD_LIB pthread)
 
 add_definitions(${SLIM_DEFINITIONS})
 
@@ -154,6 +155,7 @@
 	${M_LIB}
 	${RT_LIB}
 	${CRYPTO_LIB}
+	${PTHREAD_LIB}
 	${X11_X11_LIB}
 	${X11_Xft_LIB}
 	${X11_Xrender_LIB}