Macro: ag_check_uname_syscall

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Synopsis

  `AG_CHECK_UNAME_SYSCALL`

Version

  1.1 (2001/11/11) bkorb @ ac-archive-0.5.39

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