# sysexits.m4 serial 5

dnl Copyright (C) 2003, 2005, 2007, 2009, 2010 Free Software Foundation, Inc.

dnl This file is free software; the Free Software Foundation

dnl gives unlimited permission to copy and/or distribute it,

dnl with or without modifications, as long as this notice is preserved.

AC_DEFUN([gl_SYSEXITS],

[

AC_CHECK_HEADERS_ONCE([sysexits.h])

if test $ac_cv_header_sysexits_h = yes; then

HAVE_SYSEXITS_H=1

gl_CHECK_NEXT_HEADERS([sysexits.h])

AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sysexits.h>]],

[[switch (0)

{

case EX_OK:

case EX_USAGE:

case EX_DATAERR:

case EX_NOINPUT:

case EX_NOUSER:

case EX_NOHOST:

case EX_UNAVAILABLE:

case EX_SOFTWARE:

case EX_OSERR:

case EX_OSFILE:

case EX_CANTCREAT:

case EX_IOERR:

case EX_TEMPFAIL:

case EX_PROTOCOL:

case EX_NOPERM:

case EX_CONFIG:

break;

}

]])],

[SYSEXITS_H=],

[SYSEXITS_H=sysexits.h])

else

HAVE_SYSEXITS_H=0

SYSEXITS_H=sysexits.h

fi

AC_SUBST([HAVE_SYSEXITS_H])

AC_SUBST([SYSEXITS_H])

])