* source.c (find_and_open_source): Search file in compilation
	directory first.

Index: source.c
===================================================================
RCS file: /cvs/src/src/gdb/source.c,v
retrieving revision 1.108
diff -u -p -r1.108 source.c
--- source.c	10 Mar 2010 18:20:06 -0000	1.108
+++ source.c	28 Mar 2010 15:54:07 -0000
@@ -971,6 +971,27 @@ find_and_open_source (const char *filena
 
   if (dirname != NULL)
     {
+      char *name, *rewritten_fullname;
+
+      name = concat (dirname, SLASH_STRING, filename, (char *)NULL);
+      rewritten_fullname = rewrite_source_path (name);
+
+      if (rewritten_fullname != NULL)
+	{
+	  *fullname = rewritten_fullname;
+	  xfree (name);
+	}
+      else
+	*fullname = name;
+      result = open (*fullname, OPEN_MODE);
+      if (result >= 0)
+	return result;
+      xfree (*fullname);
+      *fullname = NULL;
+    }
+
+  if (dirname != NULL)
+    {
       /* If necessary, rewrite the compilation directory name according
          to the source path substitution rules specified by the user.  */