Added lines to all and clean to build/clean ltctests
diff --git a/Makefile b/Makefile
index 719ba44..722c0d3 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,8 @@
 	@$(MAKE) -C tests $@
 	@$(MAKE) -C pan $@
 	@$(MAKE) -C tools $@
+	@$(MAKE) -C ltctests $@
+	@$(MAKE) -C ltctests install
 
 libltp.a:
 	@$(MAKE) -C lib $@
@@ -17,3 +19,4 @@
 	@$(MAKE) -C tests $@
 	@$(MAKE) -C pan $@
 	@$(MAKE) -C tools $@
+	@$(MAKE) -C ltctests $@