PR driver/40144

[pf3gnuchains/gcc-fork.git] / libcpp / mkdeps.c

diff --git a/libcpp/mkdeps.c b/libcpp/mkdeps.c
index 8aa96c5..faac162 100644 (file)
--- a/libcpp/mkdeps.c
+++ b/libcpp/mkdeps.c
@@ -1,10 +1,11 @@
 /* Dependency generator for Makefile fragments.
-   Copyright (C) 2000, 2001, 2003, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2003, 2007, 2008, 2009
+   Free Software Foundation, Inc.
    Contributed by Zack Weinberg, Mar 2000
 
 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
+Free Software Foundation; either version 3, or (at your option) any
 later version.
 
 This program is distributed in the hope that it will be useful,
@@ -13,8 +14,8 @@ 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+along with this program; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.
 
  In other words, you are welcome to use, share and improve this program.
  You are forbidden to forbid anyone else to use, share and improve
@@ -79,6 +80,11 @@ munge (const char *filename)
          /* '$' is quoted by doubling it.  */
          len++;
          break;
+
+       case '#':
+         /* '#' is quoted with a backslash.  */
+         len++;
+         break;
        }
     }
 
@@ -100,6 +106,10 @@ munge (const char *filename)
          *dst++ = '$';
          break;
 
+       case '#':
+         *dst++ = '\\';
+         break;
+
        default:
          /* nothing */;
        }
@@ -298,22 +308,24 @@ deps_write (const struct deps *d, FILE *fp, unsigned int colmax)
     {
       size = strlen (d->targetv[i]);
       column += size;
-      if (colmax && column > colmax)
-       {
-         fputs (" \\\n ", fp);
-         column = 1 + size;
-       }
       if (i)
        {
-         putc (' ', fp);
-         column++;
+         if (colmax && column > colmax)
+           {
+             fputs (" \\\n ", fp);
+             column = 1 + size;
+           }
+         else
+           {
+             putc (' ', fp);
+             column++;
+           }
        }
       fputs (d->targetv[i], fp);
     }
 
   putc (':', fp);
-  putc (' ', fp);
-  column += 2;
+  column++;
 
   for (i = 0; i < d->ndeps; i++)
     {
@@ -324,7 +336,7 @@ deps_write (const struct deps *d, FILE *fp, unsigned int colmax)
          fputs (" \\\n ", fp);
          column = 1 + size;
        }
-      if (i)
+      else
        {
          putc (' ', fp);
          column++;