PR middle-end/51994

[pf3gnuchains/gcc-fork.git] / gcc / prefix.c

diff --git a/gcc/prefix.c b/gcc/prefix.c
index 7b92ce5..369ede7 100644 (file)
--- a/gcc/prefix.c
+++ b/gcc/prefix.c
@@ -1,12 +1,12 @@
 /* Utility to update paths from internal to external forms.
-   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
-   Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+   2007, 2011  Free Software Foundation, Inc.
 
 This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify it under
 the terms of the GNU Library General Public License as published by
-the Free Software Foundation; either version 2 of the License, or (at
+the Free Software Foundation; either version 3 of the License, or (at
 your option) any later version.
 
 GCC is distributed in the hope that it will be useful,
@@ -15,9 +15,8 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Library General Public License for more details.
 
 You should have received a copy of the GNU Library General Public
-License along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.  */
+License along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
 /* This file contains routines to update a path, both to canonicalize
    the directory format and to handle any prefix translation.
@@ -68,11 +67,11 @@ Boston, MA 02110-1301, USA.  */
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
-#include "tm.h"
 #if defined(_WIN32) && defined(ENABLE_WIN32_REGISTRY)
 #include <windows.h>
 #endif
 #include "prefix.h"
+#include "common/common-target.h"
 
 static const char *std_prefix = PREFIX;
 
@@ -104,8 +103,7 @@ get_key_value (char *key)
   if (prefix == 0)
     prefix = std_prefix;
 
-  if (temp)
-    free (temp);
+  free (temp);
 
   return prefix;
 }
@@ -252,7 +250,7 @@ update_path (const char *path, const char *key)
   char *result, *p;
   const int len = strlen (std_prefix);
 
-  if (! strncmp (path, std_prefix, len)
+  if (! filename_ncmp (path, std_prefix, len)
       && (IS_DIR_SEPARATOR(path[len])
           || path[len] == '\0')
       && key != 0)
@@ -267,16 +265,12 @@ update_path (const char *path, const char *key)
 
       result = concat (key, &path[len], NULL);
       if (free_key)
-       free ((char *) key);
+       free (CONST_CAST (char *, key));
       result = translate_name (result);
     }
   else
     result = xstrdup (path);
 
-#ifndef ALWAYS_STRIP_DOTDOT
-#define ALWAYS_STRIP_DOTDOT 0
-#endif
-
   p = result;
   while (1)
     {
@@ -291,7 +285,8 @@ update_path (const char *path, const char *key)
          && (p != result && IS_DIR_SEPARATOR (p[-1])))
        {
          *p = 0;
-         if (!ALWAYS_STRIP_DOTDOT && access (result, X_OK) == 0)
+         if (!targetm_common.always_strip_dotdot
+             && access (result, X_OK) == 0)
            {
              *p = '.';
              break;