* Makefile.in (MD_DEPS, s-mddeps): New.

        (s-config, s-conditions, s-flags, s-codes, s-constants, s-emit,
        s-recog, s-opinit, s-extract, s-peep, s-attr, s-attrtab, s-output,
        s-preds): Depend on MD_DEPS instead of md_file.
        (genobjnames): Add genmddeps.o
        (build/genmddeps, build/genmddeps.o): New.
        (mostlyclean): Remove mddeps.mk.
        * genmddeps.c: New file.
        * gensupport.c (include_callback): New.
        (process_include): Call it.
        * gensupport.h (include_callback): Declare.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92269 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 70 insertions, 0 deletions

diff --git a/gcc/genmddeps.c b/gcc/genmddeps.c
new file mode 100644
index 00000000000..ff9e63d52a9
--- /dev/null
+++ b/gcc/genmddeps.c
@@ -0,0 +1,70 @@
+/* genmddeps.c - creates a makefile dependency fragment for the md file.
+   Copyright (C) 2004 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 2, 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, write to the Free Software
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include "bconfig.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "rtl.h"
+#include "gensupport.h"
+#include "errors.h"
+
+
+struct filedep
+{
+  struct filedep *next;
+  const char *pathname;
+};
+
+static struct filedep *deps, **last = &deps;
+
+static void
+add_filedep (const char *pathname)
+{
+  struct filedep *n = XNEW (struct filedep);
+  n->pathname = pathname;
+  *last = n;
+  last = &n->next;
+}
+
+int
+main (int argc, char **argv)
+{
+  struct filedep *d;
+
+  progname = "genmddeps";
+  include_callback = add_filedep;
+  
+  if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
+    return (FATAL_EXIT_CODE);
+
+  *last = NULL;
+
+  /* Output a variable containing all of the include files.  */
+  fputs ("MD_INCLUDES =", stdout);
+  for (d = deps; d ; d = d->next)
+    printf (" \\\n\t%s", d->pathname);
+  putchar ('\n');
+
+  /* Output make targets for these includes with empty actions.  This
+     will guard against make errors when includes are removed.  */
+  for (d = deps; d ; d = d->next)
+    printf ("\n%s:\n", d->pathname);
+
+  fflush (stdout);
+  return (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
+}