1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 1998 Sun Microsystems, Inc. All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 
  26 #ifndef _AVO_ALLOCA_H
  27 #define _AVO_ALLOCA_H
  28 
  29 #include <alloca.h>
  30 
  31 #ifdef __SunOS_5_4
  32 // The following prototype declaration is necessary when compiling on Solaris
  33 // 2.4 using 5.0 compilers. On Solaris 2.4 the necessary prototypes are not
  34 // included in alloca.h. The 4.x compilers provide a workaround by declaring the
  35 // prototype as a pre-defined type. The 5.0 compilers do not implement this workaround.
  36 // This can be removed when support for 2.4 is dropped
  37 
  38 #include <stdlib.h>       // for size_t
  39 extern "C" void *__builtin_alloca(size_t);
  40 
  41 #endif  // ifdef __SunOS_5_4
  42 
  43 #endif  // ifdef _AVO_ALLOCA_H