Macro: ag_check_uname_syscall

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# ag_check_uname_syscall

## Synopsis

`AG_CHECK_UNAME_SYSCALL`

## Version

1.1 (2001/11/11) bkorb @ ac-archive-0.5.32

## Author

autogen.sf.net is a project of Bruce Korb <bkorb@gnu.org>

## Description

Check that the POSIX compliant uname(2) call works properly.

## M4 Source Code

    AC_DEFUN(AG_CHECK_UNAME_SYSCALL,[
      AC_MSG_CHECKING([whether uname(2) is POSIX])
      AC_CACHE_VAL([ag_cv_uname_syscall],[
      AC_TRY_RUN([#include <sys/utsname.h>
    int main() { struct utsname unm;
    return uname( &unm ); }],[ag_cv_uname_syscall=yes],[ag_cv_uname_syscall=no],[ag_cv_uname_syscall=no]
               ) # end of TRY_RUN]) # end of CACHE_VAL

     AC_MSG_RESULT([$ag_cv_uname_syscall])
     if test x$ag_cv_uname_syscall = xyes
     then
       AC_DEFINE(HAVE_UNAME_SYSCALL, 1,
          [Define this if uname(2) is POSIX])
     fi
     ]) # end of AC_DEFUN