5261 libm should stop using synonyms.h

          --- old/usr/src/lib/libm/common/m9x/lroundf.c
          +++ new/usr/src/lib/libm/common/m9x/lroundf.c

   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END

  20   20   */
  21   21  
  22   22  /*
  23   23   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  24   24   */
  25   25  /*
  26   26   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  27   27   * Use is subject to license terms.
  28   28   */
  29   29  
  30      -#pragma weak lroundf = __lroundf
       30 +#pragma weak __lroundf = lroundf
  31   31  
  32   32  #include <sys/isa_defs.h>       /* _ILP32 */
  33   33  #include "libm.h"
  34   34  
  35   35  #if defined(_ILP32)
  36   36  long
  37   37  lroundf(float x) {
  38   38          union {
  39   39                  unsigned i;
  40   40                  float f;

  41   41          } xx;
  42   42          unsigned hx, sx, i;
  43   43  
  44   44          xx.f = x;
  45   45          hx = xx.i & ~0x80000000;
  46   46          sx = xx.i & 0x80000000;
  47   47          if (hx < 0x4b000000) {          /* |x| < 2^23 */
  48   48                  if (hx < 0x3f800000) {          /* |x| < 1 */
  49   49                          if (hx >= 0x3f000000)
  50   50                                  return (sx ? -1L : 1L);
  51   51                          return (0L);
  52   52                  }
  53   53  
  54   54                  /* round x at the integer bit */
  55   55                  i = 1 << (0x95 - (hx >> 23));
  56   56                  xx.i = (xx.i + i) & ~((i << 1) - 1);
  57   57                  return ((long) xx.f);
  58   58          }
  59   59  
  60   60          /* now x is nan, inf, or integral */
  61   61          return ((long) x);
  62   62  }
  63   63  #else
  64   64  #error Unsupported architecture
  65   65  #endif  /* defined(_ILP32) */

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX