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- # ===========================================================================
- # https://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 6
-
- 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
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