Flatten GNU Make directory structure

third_party/make/getprogname.c

@@ -0,0 +1,33 @@
+/* Program name management.
+   Copyright (C) 2016-2020 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* clang-format off */
+#include "third_party/make/config.h"
+#include "third_party/make/getprogname.h"
+#include "third_party/make/dirname.h"
+
+char const *
+getprogname (void)
+{
+  return program_invocation_short_name;
+}
+
+/*
+ * Hey Emacs!
+ * Local Variables:
+ * coding: utf-8
+ * End:
+ */