ngx_addon_name=ngx_http_twaf_variables_module
HTTP_AUX_FILTER_MODULES="$HTTP_AUX_FILTER_MODULES \
        ngx_http_twaf_variables_module"
NGX_ADDON_SRCS="$NGX_ADDON_SRCS \
        $ngx_addon_dir/ngx_http_twaf_variables_module.c"
