port build system

include/foo/api.h

@@ -1,22 +1,11 @@
 /*
  * Copyright 2011 Free Software Foundation, Inc.
  *
- * This file is part of gr-foo
+ * This file was generated by gr_modtool, a tool from the GNU Radio framework
+ * This file is a part of gr-foo
  *
- * GNU Radio 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, or (at your option)
- * any later version.
+ * SPDX-License-Identifier: GPL-3.0-or-later
  *
- * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
  */
 
 #ifndef INCLUDED_FOO_API_H
@@ -25,9 +14,9 @@
 #include <gnuradio/attributes.h>
 
 #ifdef gnuradio_foo_EXPORTS
-#  define FOO_API __GR_ATTR_EXPORT
+#define FOO_API __GR_ATTR_EXPORT
 #else
-#  define FOO_API __GR_ATTR_IMPORT
+#define FOO_API __GR_ATTR_IMPORT
 #endif
 
 #endif /* INCLUDED_FOO_API_H */