tlink.c (scan_linker_output): Parse linker messages from darwin9's linker better.

	* tlink.c (scan_linker_output): Parse linker messages from
	darwin9's linker better.

From-SVN: r122283

gcc/ChangeLog

+2007-02-23  Mike Stump  <mrs@apple.com>
+
+	* tlink.c (scan_linker_output): Parse linker messages from
+	darwin9's linker better.
+
 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
 
 	PR debug/29614

gcc/tlink.c

@@ -607,12 +607,17 @@ scan_linker_output (const char *fname)
 {
   FILE *stream = fopen (fname, "r");
   char *line;
+  int skip_next_line = 0;
 
   while ((line = tfgets (stream)) != NULL)
     {
       char *p = line, *q;
       symbol *sym;
       int end;
+      int ok = 0;
+
+      if (skip_next_line)
+	continue;
 
       while (*p && ISSPACE ((unsigned char) *p))
 	++p;
@@ -654,6 +659,19 @@ scan_linker_output (const char *fname)
 	  demangled *dem = 0;
 	  q = 0;
 
+	  /* On darwin9, we look for "foo" referenced from:\n.*\n  */
+	  if (strcmp (oldq, "referenced from:") == 0)
+	    {
+	      /* We have to remember that we found a symbol to tweak.  */
+	      ok = 1;
+
+	      /* We actually want to start from the first word on the line.  */
+	      oldq = p;
+
+	      /* Since the format is multiline, we have to skip the next line.  */
+	      skip_next_line = 1;
+	    }
+
 	  /* First try `GNU style'.  */
 	  p = strchr (oldq, '`');
 	  if (p)
@@ -681,7 +699,8 @@ scan_linker_output (const char *fname)
 
 	  /* We need to check for certain error keywords here, or we would
 	     mistakenly use GNU ld's "In function `foo':" message.  */
-	  if (q && (strstr (oldq, "ndefined")
+	  if (q && (ok
+		    || strstr (oldq, "ndefined")
 		    || strstr (oldq, "nresolved")
 		    || strstr (oldq, "nsatisfied")
 		    || strstr (oldq, "ultiple")))