#ifndef _LIBC
if (!(flags & ARGP_PARSE_ARGV0))
{
-#ifdef HAVE_DECL_PROGRAM_INVOCATION_NAME
+#if HAVE_DECL_PROGRAM_INVOCATION_NAME
if (!program_invocation_name)
program_invocation_name = argv[0];
#endif
-#ifdef HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
+#if HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
if (!program_invocation_short_name)
program_invocation_short_name = __argp_base_name (argv[0]);
#endif