libgo: Define CC_FOR_BUILD in Makefile.

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

diff --git a/gcc/tlink.c b/gcc/tlink.c
index 53c51dc..f054047 100644 (file)
--- a/gcc/tlink.c
+++ b/gcc/tlink.c
@@ -1,8 +1,8 @@
 /* Scan linker error messages for missing template instantiations and provide
    them.
 
-   Copyright (C) 1995, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008
-   Free Software Foundation, Inc.
+   Copyright (C) 1995, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008,
+   2009, 2010, 2011 Free Software Foundation, Inc.
    Contributed by Jason Merrill (jason@cygnus.com).
 
 This file is part of GCC.
@@ -30,6 +30,12 @@ along with GCC; see the file COPYING3.  If not see
 #include "hashtab.h"
 #include "demangle.h"
 #include "collect2.h"
+#include "filenames.h"
+#include "diagnostic-core.h"
+
+/* TARGET_64BIT may be defined to use driver specific functionality. */
+#undef TARGET_64BIT
+#define TARGET_64BIT TARGET_64BIT_DEFAULT
 
 #define MAX_ITERATIONS 17
 
@@ -38,7 +44,7 @@ extern int prepends_underscore;
 
 static int tlink_verbose;
 
-static char initial_cwd[MAXPATHLEN + 1];
+static char *initial_cwd;
 \f
 /* Hash table boilerplate for working with htab_t.  We have hash tables
    for symbol names, file names, and demangled symbols.  */
@@ -127,7 +133,7 @@ symbol_hash_lookup (const char *string, int create)
       *e = v = XCNEW (struct symbol_hash_entry);
       v->key = xstrdup (string);
     }
-  return *e;
+  return (struct symbol_hash_entry *) *e;
 }
 
 static htab_t file_table;
@@ -147,7 +153,7 @@ file_hash_lookup (const char *string)
       *e = v = XCNEW (struct file_hash_entry);
       v->key = xstrdup (string);
     }
-  return *e;
+  return (struct file_hash_entry *) *e;
 }
 
 static htab_t demangled_table;
@@ -169,7 +175,7 @@ demangled_hash_lookup (const char *string, int create)
       *e = v = XCNEW (struct demangled_hash_entry);
       v->key = xstrdup (string);
     }
-  return *e;
+  return (struct demangled_hash_entry *) *e;
 }
 \f
 /* Stack code.  */
@@ -193,8 +199,8 @@ struct file_stack_entry *file_stack;
 static void
 symbol_push (symbol *p)
 {
-  struct symbol_stack_entry *ep = obstack_alloc
-    (&symbol_stack_obstack, sizeof (struct symbol_stack_entry));
+  struct symbol_stack_entry *ep
+    = XOBNEW (&symbol_stack_obstack, struct symbol_stack_entry);
   ep->value = p;
   ep->next = symbol_stack;
   symbol_stack = ep;
@@ -221,8 +227,7 @@ file_push (file *p)
   if (p->tweaking)
     return;
 
-  ep = obstack_alloc
-    (&file_stack_obstack, sizeof (struct file_stack_entry));
+  ep = XOBNEW (&file_stack_obstack, struct file_stack_entry);
   ep->value = p;
   ep->next = file_stack;
   file_stack = ep;
@@ -274,7 +279,7 @@ tlink_init (void)
        tlink_verbose = 3;
     }
 
-  getcwd (initial_cwd, sizeof (initial_cwd));
+  initial_cwd = getpwd ();
 }
 
 static int
@@ -283,22 +288,21 @@ tlink_execute (const char *prog, char **argv, const char *outname,
 {
   struct pex_obj *pex;
 
-  pex = collect_execute (prog, argv, outname, errname);
+  pex = collect_execute (prog, argv, outname, errname, PEX_LAST | PEX_SEARCH);
   return collect_wait (prog, pex);
 }
 
 static char *
 frob_extension (const char *s, const char *ext)
 {
-  const char *p = strrchr (s, '/');
-  if (! p)
-    p = s;
-  p = strrchr (p, '.');
+  const char *p;
+
+  p = strrchr (lbasename (s), '.');
   if (! p)
     p = s + strlen (s);
 
   obstack_grow (&temporary_obstack, s, p - s);
-  return obstack_copy0 (&temporary_obstack, ext, strlen (ext));
+  return (char *) obstack_copy0 (&temporary_obstack, ext, strlen (ext));
 }
 
 static char *
@@ -474,9 +478,9 @@ recompile_files (void)
         the new file name already exists.  Therefore, we explicitly
         remove the old file first.  */
       if (remove (f->key) == -1)
-       fatal_perror ("removing .rpo file");
+       fatal_error ("removing .rpo file: %m");
       if (rename (outname, f->key) == -1)
-       fatal_perror ("renaming .rpo file");
+       fatal_error ("renaming .rpo file: %m");
 
       if (!f->args)
        {
@@ -729,7 +733,7 @@ scan_linker_output (const char *fname)
       if (sym && sym->tweaked)
        {
          error ("'%s' was assigned to '%s', but was not defined "
-                "during recompilation, or vice versa", 
+                "during recompilation, or vice versa",
                 sym->key, sym->file->key);
          fclose (stream);
          return 0;