Index: uspace/lib/drv/Makefile
===================================================================
--- uspace/lib/drv/Makefile	(revision 90f05b0f4f16751a93b3c2f95d3193c4c1955296)
+++ uspace/lib/drv/Makefile	(revision 1f7da3b6b3615f4e718b66c7dd10fe063e689e6f)
@@ -29,5 +29,5 @@
 
 USPACE_PREFIX = ../..
-EXTRA_CFLAGS = -Iinclude -I$(LIBUSB_PREFIX)/include
+EXTRA_CFLAGS = -Iinclude -I$(LIBUSB_PREFIX)/include -I$(LIBPCM_PREFIX)/include
 LIBRARY = libdrv