echo "#ifndef $ngx_fmt_name"                 >> $NGX_AUTO_CONFIG_H
echo "#define $ngx_fmt_name  \"$ngx_fmt\"" | sed -e 's/d"$/x"/' \
                                             >> $NGX_AUTO_CONFIG_H
echo "#endif"                                >> $NGX_AUTO_CONFIG_H
echo                                         >> $NGX_AUTO_CONFIG_H