Index: uspace/lib/posix/Makefile
===================================================================
--- uspace/lib/posix/Makefile	(revision 08053f7123977444e2f85f150a548e9fc13f8473)
+++ uspace/lib/posix/Makefile	(revision ddc63fda6abb8779ebc12f210cfc26c08d33ebc9)
@@ -40,4 +40,5 @@
 SOURCES = \
 	ctype.c \
+	errno.c \
 	fcntl.c \
 	fnmatch.c \