Index: uspace/lib/trackmod/Makefile
===================================================================
--- uspace/lib/trackmod/Makefile	(revision 7e69e0e9418526683ac074433809479bcfed9ea9)
+++ uspace/lib/trackmod/Makefile	(revision affbdde5a833096e8c904964ea42dabcb9ed27ac)
@@ -32,5 +32,6 @@
 SOURCES = \
 	protracker.c \
-	trackmod.c
+	trackmod.c \
+	xm.c
 
 include $(USPACE_PREFIX)/Makefile.common