Index: uspace/lib/posix/Makefile
===================================================================
--- uspace/lib/posix/Makefile	(revision 08053f7123977444e2f85f150a548e9fc13f8473)
+++ uspace/lib/posix/Makefile	(revision ec18957a189501a5dd40dfc278bd8ebcad3d256b)
@@ -40,4 +40,5 @@
 SOURCES = \
 	ctype.c \
+	errno.c \
 	fcntl.c \
 	fnmatch.c \