AC_ARG_ENABLE([cifs-idmap-plugin], [AS_HELP_STRING([--disable-cifs-idmap-plugin], [do not build CIFS idmap plugin])], [build_cifs_idmap_plugin=$enableval], [build_cifs_idmap_plugin=yes]) AS_IF([test x$build_cifs_idmap_plugin = xyes], [AC_CHECK_HEADER([cifsidmap.h], [], [AC_MSG_ERROR([ You must have the cifsidmap header installed to build the idmap plugin. If you want to build sssd withoud cifsidmap plugin then specify --disable-cifs-idmap-plugin when running configure.])]) ]) AM_CONDITIONAL([BUILD_CIFS_IDMAP_PLUGIN], [test x$build_cifs_idmap_plugin = xyes]) AM_COND_IF([BUILD_CIFS_IDMAP_PLUGIN], [AC_DEFINE_UNQUOTED(HAVE_CIFS_IDMAP_PLUGIN, 1, [Build with cifs idmap plugin])])