src/cf/hpux.m4

   1 AC_DEFUN([OPENAFS_HPUX_CHECKS],[
   2 case $AFS_SYSNAME in
   3 *hp_ux* | *hpux*)
   4    AC_MSG_WARN([Some versions of HP-UX have a buggy positional I/O implementation. Forcing no positional I/O.])
   5    ;;
   6 *)
   7    AC_MSG_CHECKING([for positional I/O])
   8    if test "$ac_cv_func_pread" = "yes" && \
   9            test "$ac_cv_func_pwrite" = "yes"; then
  10       AC_DEFINE(HAVE_PIO, 1, [define if you have pread() and pwrite()])
  11       AC_MSG_RESULT(yes)
  12    else
  13      AC_MSG_RESULT(no)
  14    fi
  15    AC_MSG_CHECKING([for vectored positional I/O])
  16    AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
  17                "$ac_cv_func_pwritev" = "yes" -a \
  18            "$ac_cv_func_preadv64" = "yes" -a \
  19            "$ac_cv_func_pwritev64" = "yes"],
  20      [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
  21         AC_MSG_RESULT(yes)],
  22      [AC_MSG_RESULT(no)])
  23    ;;
  24 esac
  25 ])