Index: uspace/lib/libc/Makefile.build
===================================================================
--- uspace/lib/libc/Makefile.build	(revision 1e4cadad49fbe94a308f6f74c331537fbfc59425)
+++ uspace/lib/libc/Makefile.build	(revision a7a0417a1642056aa74fa07bf804015b4911c806)
@@ -87,5 +87,6 @@
 	generic/udebug.c \
 	generic/vfs/vfs.c \
-	generic/vfs/canonify.c
+	generic/vfs/canonify.c \
+	generic/stacktrace.c
 
 ARCH_SOURCES += \