Mention the -r option when we can't find our reference files.

diff --git a/libarchive/test/main.c b/libarchive/test/main.c
index a94fa9251a717725607862098b010ea563e5f44e..20c5f8f20b70e9127e199cbcc44f929775d10aa1 100644 (file)
--- a/libarchive/test/main.c
+++ b/libarchive/test/main.c
@@ -2498,6 +2498,7 @@ get_refdir(const char *d)
 failure:
        printf("Unable to locate known reference file %s\n", KNOWNREF);
        printf("  Checked following directories:\n%s\n", tried);
+       printf("Use -r option to specify full path to libarchive/test directory\n");
 #if defined(_WIN32) && !defined(__CYGWIN__) && defined(_DEBUG)
        DebugBreak();
 #endif