Index: uspace/lib/libc/Makefile
===================================================================
--- uspace/lib/libc/Makefile	(revision f3afd24a0d1153d9f334ec48804a551d363339fd)
+++ uspace/lib/libc/Makefile	(revision 0e31a2bc6d1fecb2d1fd60c2eb47eed52130f540)
@@ -52,4 +52,5 @@
 	generic/string.c \
 	generic/fibril.c \
+	generic/fibril_sync.c \
 	generic/pcb.c \
 	generic/smc.c \