# ===========================================================================
 #  http://www.gnu.org/software/autoconf-archive/ax_check_uname_syscall.html
 # ===========================================================================
 #
 # SYNOPSIS
 #
 #   AX_CHECK_UNAME_SYSCALL
 #
 # DESCRIPTION
 #
 #   Check that the POSIX compliant uname(2) call works properly.
 #
 # LICENSE
 #
 #   Copyright (c) 2008 Bruce Korb <bkorb@gnu.org>
 #
 #   Copying and distribution of this file, with or without modification, are
 #   permitted in any medium without royalty provided the copyright notice
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
 #serial 5
 
 AU_ALIAS([AG_CHECK_UNAME_SYSCALL], [AX_CHECK_UNAME_SYSCALL])
 AC_DEFUN([AX_CHECK_UNAME_SYSCALL],[
   AC_MSG_CHECKING([whether uname(2) is POSIX])
   AC_CACHE_VAL([ax_cv_uname_syscall],[
   AC_TRY_RUN([#include <sys/utsname.h>
 int main() { struct utsname unm;
 return uname( &unm ); }],[ax_cv_uname_syscall=yes],[ax_cv_uname_syscall=no],[ax_cv_uname_syscall=no]
   ) # end of TRY_RUN]) # end of CACHE_VAL
 
   AC_MSG_RESULT([$ax_cv_uname_syscall])
   if test x$ax_cv_uname_syscall = xyes
   then
     AC_DEFINE(HAVE_UNAME_SYSCALL, 1,
        [Define this if uname(2) is POSIX])
   fi
 ]) # end of AC_DEFUN of AX_CHECK_UNAME_SYSCALL