Unbreak "clean" and "distclean" targets when there is no testsuite

diff --git a/Makefile b/Makefile
index 615151d..fcd1ad5 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -575,7 +575,7 @@ extraclean::
 
 clean distclean ::
        $(MAKE) -C bindisttest $@
-       test -d testsuite && $(MAKE) -C testsuite $@
+       if test -d testsuite; then $(MAKE) -C testsuite $@; fi
 
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