tests/test-fuzz-targets.t

--- a/tests/test-fuzz-targets.t	Sun Jun 03 13:23:12 2018 +0900
+++ b/tests/test-fuzz-targets.t	Sun Jun 03 13:40:58 2018 +0900
@@ -1,6 +1,17 @@
-#require clang-libfuzzer test-repo
+#require test-repo
+
   $ cd $TESTDIR/../contrib/fuzz
+
+#if clang-libfuzzer
   $ make -s clean all
+#endif
+#if no-clang-libfuzzer clang-6.0
+  $ make -s clean all CC=clang-6.0 CXX=clang++-6.0
+#endif
+#if no-clang-libfuzzer no-clang-6.0
+  $ exit 80
+#endif
+
 Just run the fuzzers for five seconds each to verify it works at all.
   $ ./bdiff -max_total_time 5
   $ ./xdiff -max_total_time 5