Index: uspace/lib/c/Makefile
===================================================================
--- uspace/lib/c/Makefile	(revision 92c168040f5d9bf9ee5fb484770545a4555d29e0)
+++ uspace/lib/c/Makefile	(revision b5ba8f6bf68a938553e7261a2c0285ce7d24fd7f)
@@ -69,4 +69,5 @@
 	generic/device/hw_res.c \
 	generic/device/hw_res_parsed.c \
+	generic/device/pio_window.c \
 	generic/device/char_dev.c \
 	generic/device/clock_dev.c \