--- Makefile.orig	2021-05-18 08:50:05 UTC
+++ Makefile
@@ -32,14 +32,14 @@ ifdef $(DESTDIR)
 endif
 
 all install :
-	${NINJA} -C $(_BuildDir) $@
+	${NINJA} -v -C $(_BuildDir) $@
 
 test : all
 	perl/polymake --script run_testcases
 
 clean :
-	${NINJA} -C $(_BuildDir) clean.all
-	${NINJA} -C $(_BuildDir) -t clean all
+	${NINJA} -v -C $(_BuildDir) clean.all
+	${NINJA} -v -C $(_BuildDir) -t clean all
 	rm -rf ${BuildRoot}/doc
 
 distclean: