/*
 * O/S-dependent (mis)feature macro definitions
 *
 * $TOG: Xosdefs.h /main/17 1998/02/09 11:19:02 kaleb $
 *
Copyright 1991, 1998  The Open Group

All Rights Reserved.

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
 */

#ifndef _XOSDEFS_H_
#define _XOSDEFS_H_

/*
 * X_NOT_STDC_ENV means does not have ANSI C header files.  Lack of this
 * symbol does NOT mean that the system has stdarg.h.
 *
 * X_NOT_POSIX means does not have POSIX header files.  Lack of this
 * symbol does NOT mean that the POSIX environment is the default.
 * You may still have to define _POSIX_SOURCE to get it.
 */

#ifdef NOSTDHDRS
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif

#ifdef sony
#if !defined(SYSTYPE_SYSV) && !defined(_SYSTYPE_SYSV)
#define X_NOT_POSIX
#endif
#endif

#ifdef UTEK
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif

#ifdef vax
#ifndef ultrix			/* assume vanilla BSD */
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif
#endif

#ifdef luna
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif

#ifdef Mips
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif
  
#ifdef USL
#ifdef SYSV /* (release 3.2) */
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif
#endif

#ifdef i386
#ifdef SYSV
#if !defined(Lynx) && !defined(ISC) && !defined(SCO) && !defined(_SEQUENT_) && !defined(sun)
#if !defined(_POSIX_SOURCE) && !defined(_SCO_DS)
#define X_NOT_POSIX
#endif
#define X_NOT_STDC_ENV
#endif
#endif
#endif

#ifdef MOTOROLA
#ifdef SYSV
#define X_NOT_STDC_ENV
#endif
#endif

#ifdef sun
/* Imake configs define SVR4 on Solaris, but cc & gcc only define __SVR4 
 * This check allows non-Imake configured programs to build correctly.
 */
#if defined(__SVR4) && !defined(SVR4)
#define SVR4
#endif
#ifdef SVR4
/* define this to whatever it needs to be */
#define X_POSIX_C_SOURCE 199300L
#endif
#endif

#ifdef WIN32
#ifndef _POSIX_
#define X_NOT_POSIX
#endif
#endif

#if defined(nec_ews_svr2) || defined(SX) || defined(PC_UX)
#define X_NOT_POSIX
#define X_NOT_STDC_ENV
#endif

#endif /* _XOSDEFS_H_ */
