config/user-libdevmapper.m4

   1 dnl #
   2 dnl # Check for libdevmapper.  libdevmapper is optional for building, but
   3 dnl # required for auto-online/auto-replace functionality for DM/multipath
   4 dnl # disks.
   5 dnl #
   6 AC_DEFUN([ZFS_AC_CONFIG_USER_LIBDEVMAPPER], [
   7         AC_CHECK_HEADER([libdevmapper.h], [
   8             AC_SUBST([LIBDEVMAPPER], ["-ldevmapper"])
   9             AC_DEFINE([HAVE_LIBDEVMAPPER], 1, [Define if you have libdevmapper])
  10
  11             user_libdevmapper=yes
  12         ], [
  13             user_libdevmapper=no
  14         ])
  15 ])