test/jdk/com/sun/tools/jextract/jclang-ffi/TestJextractFFI.java

@@ -108,10 +108,11 @@
     public void jextractFFI() throws IOException, InterruptedException {
         List<String> command = List.of(jextract_cmd,
                 "-I", clang_header_path.toString(),
                 "-t", "clang",
                 "-d", CLANG_FFI_PATH,
+                "-J-Djextract.debug=true",
                 "-J-Dlibclang.debug=true",
                 "-J-Djava.library.path=" + clang_lib_path.toString(),
                 "-J--module-path", "-J" + CLANG_JAR,
                 "-J--upgrade-module-path", "-J" + JCLANG_PATH,
                 clang_header_path