In order to support vectored positional I/O, and large files, we
need there to be an implementation of preadv64 and pwritev64. If
this isn't present, then just disable HAVE_PIOV.
Change-Id: I78b1e09f8a836534f49594300b4f58d661eebd46
Reviewed-on: http://gerrit.openafs.org/4153
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
mkstemp \
pread \
preadv \
+ preadv64 \
pwrite \
pwritev \
+ pwritev64 \
regcomp \
regerror \
regexec \
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([for vectored positional I/O])
- if test "$ac_cv_func_preadv" = "yes" && \
- test "$ac_cv_func_pwritev" = "yes"; then
- AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
- AC_MSG_RESULT(yes)
- else
- AC_MSG_RESULT(no)
- fi
+ AS_IF([test "$ac_cv_func_preadv" = "yes" -a \
+ "$ac_cv_func_pwritev" = "yes" -a \
+ "$ac_cv_func_preadv64" = "yes" -a \
+ "$ac_cv_func_pwritev64" = "yes"],
+ [AC_DEFINE(HAVE_PIOV, 1, [define if you have preadv() and pwritev()])
+ AC_MSG_RESULT(yes)],
+ [AC_MSG_RESULT(no)])
;;
esac