genmddeps.c revision 1.10
1/* genmddeps.c - creates a makefile dependency fragment for the md file.
2   Copyright (C) 2004-2019 Free Software Foundation, Inc.
3
4   This program is free software; you can redistribute it and/or modify it
5   under the terms of the GNU General Public License as published by the
6   Free Software Foundation; either version 3, or (at your option) any
7   later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program; see the file COPYING3.  If not see
16   <http://www.gnu.org/licenses/>.  */
17
18#include "bconfig.h"
19#include "system.h"
20#include "coretypes.h"
21#include "errors.h"
22#include "statistics.h"
23#include "vec.h"
24#include "read-md.h"
25
26
27struct filedep
28{
29  struct filedep *next;
30  const char *pathname;
31};
32
33static struct filedep *deps, **last = &deps;
34
35static void
36add_filedep (const char *pathname)
37{
38  struct filedep *n = XNEW (struct filedep);
39  n->pathname = pathname;
40  *last = n;
41  last = &n->next;
42}
43
44int
45main (int argc, const char **argv)
46{
47  struct filedep *d;
48
49  progname = "genmddeps";
50  include_callback = add_filedep;
51
52  noop_reader reader;
53  if (!reader.read_md_files (argc, argv, NULL))
54    return FATAL_EXIT_CODE;
55
56  *last = NULL;
57
58  /* Output a variable containing all of the include files.  */
59  fputs ("MD_INCLUDES =", stdout);
60  for (d = deps; d ; d = d->next)
61    printf (" \\\n\t%s", d->pathname);
62  putchar ('\n');
63
64  /* Output make targets for these includes with empty actions.  This
65     will guard against make errors when includes are removed.  */
66  for (d = deps; d ; d = d->next)
67    printf ("\n%s:\n", d->pathname);
68
69  fflush (stdout);
70  return (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
71}
72