Index: uspace/lib/c/Makefile
===================================================================
--- uspace/lib/c/Makefile	(revision 21365c0a5b774932892b0dcddd2cd5917d6abd67)
+++ uspace/lib/c/Makefile	(revision 571f3e1ac950faa8d358abf006fa270d4068d5a4)
@@ -165,4 +165,8 @@
 	$(ARCH_SOURCES)
 
+TEST_SOURCES = \
+	test/main.c \
+	test/sprintf.c
+
 include $(USPACE_PREFIX)/Makefile.common