diff -rup lzlib-1.15-pre1/testsuite/check.sh lzlib-1.15-pre1-1/testsuite/check.sh
--- lzlib-1.15-pre1/testsuite/check.sh	2024-01-20 20:59:28.000000000 +0000
+++ lzlib-1.15-pre1-1/testsuite/check.sh	2024-04-23 18:59:06.000000000 +0000
@@ -15,6 +15,15 @@ FFEXAMPLE="${objdir}"/ffexample
 LZCHECK="${objdir}"/lzcheck
 framework_failure() { echo "failure in testing framework" ; exit 1 ; }
 
+if [ $# -eq 0 ]; then
+	echo "lzlib test suite"
+	echo "Usage:"
+	echo "$0 <testsuite_dir> <\"pkgversion\">"
+	echo "Note: it's not meant to be run on it's own; use:  make check"
+	exit 1
+fi
+
+
 if [ ! -f "${LZIP}" ] || [ ! -x "${LZIP}" ] ; then
 	echo "${LZIP}: cannot execute"
 	exit 1