From cc2fcb1408cd2086337b63b58e8f24ce2c50fc1c Mon Sep 17 00:00:00 2001
From: Paride Legovini <paride@debian.org>
Date: Tue, 7 Jul 2020 11:05:58 +0200
Subject: Makefile: add testclean target

The target calls `make clean` in the test submodule, if present.
The target is called by the `distclean` target.
---
 Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index a906f58..bf0e62b 100644
--- a/Makefile
+++ b/Makefile
@@ -121,11 +121,15 @@ test:
 	[ -e test/Makefile ] || $(MAKE) test-update
 	@$(MAKE) -C test
 
+testclean:
+	@echo cleaning the test artifacts
+	[ ! -e test/Makefile ] || $(MAKE) -C test clean
+
 clean:
 	@echo cleaning
 	@rm -f $(ELF) vis-single vis-single-payload.inc vis-*.tar.gz *.gcov *.gcda *.gcno
 
-distclean: clean
+distclean: clean testclean
 	@echo cleaning build configuration
 	@rm -f config.h config.mk
 
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