draft fuzzer infrastructure
diff --git a/configure.ac b/configure.ac
index cc22adb..e8f67ae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -164,7 +164,7 @@
[enable_test_fuzzer=$enableval], [enable_test_fuzzer=no])
AS_IF([test "x$enable_test_fuzzer" != xno], [
AX_CHECK_COMPILE_FLAG([-fsanitize=fuzzer],
- [LIBFUZZER_CFLAGS="${FUZZER_CFLAGS} -fsanitize=fuzzer"],
+ [LIBFUZZER_CFLAGS="${FUZZER_CFLAGS} -fsanitize=fuzzer -DENABLE_LIBFUZZER"],
[
AC_MSG_FAILURE(
[--enable-test-fuzzer=$enable_test_fuzzer is not supported on a target system.