5262 libm needs to be carefully unifdef'd
5268 libm doesn't need to hide symbols which are already local

*** 25,37 ****
  /*
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
- #if defined(ELFOBJ)
  #pragma weak trunc = __trunc
- #endif
  
  #include "libm.h"
  
  double
  trunc(double x) {
--- 25,35 ----