Not used to seeing these warnings

prolog_codewalk:gtrace/0
% Found new meta-predicates in iteration 1 (0.516 sec)
% :- meta_predicate apply:partition_(*,1,*,*).
% :- meta_predicate apply:maplist_(*,*,2).
% :- meta_predicate apply:maplist_(*,*,*,*,4).
% :- meta_predicate apply:include_(*,1,*).
% :- meta_predicate apply:foldl_(*,*,4,?,*).
% :- meta_predicate apply:foldl_(*,*,*,*,6,?,*).
% :- meta_predicate apply:scanl_(*,*,4,?,*).
% :- meta_predicate apply:scanl_(*,*,*,*,6,?,*).
% :- meta_predicate apply:partition_(*,2,*,*,*).
% :- meta_predicate apply:maplist_(*,1).
% :- meta_predicate apply:exclude_(*,1,*).
% :- meta_predicate apply:maplist_(*,*,*,3).
% :- meta_predicate apply:foldl_(*,3,?,*).
% :- meta_predicate apply:foldl_(*,*,*,5,?,*).
% :- meta_predicate apply:scanl_(*,3,?,*).
% :- meta_predicate apply:scanl_(*,*,*,5,?,*).
% :- meta_predicate swi_option:meta_option(*,1,*,*).
% :- meta_predicate pairs:map_list_to_pairs2(*,2,*).
% Restarting analysis ...
% Found new meta-predicates in iteration 2 (0.266 sec)
% :- meta_predicate apply:partition_(*,*,2,*,*,*,*).
% :- meta_predicate swi_option:meta_options(*,1,*,*).

./swipl.sh -C "/usr/local/lib/swipl-7.3.19" --home=. -f none -g make -t halt
Warning: Package swicli: no binary for architecture x86_64-cygwin
% Found new meta-predicates in iteration 1 (12.812 sec)
% :- meta_predicate pldoc_wiki:matches(2,*,*,?,?).
% Restarting analysis ...
% Found new meta-predicates in iteration 2 (4.141 sec)
% :- meta_predicate thread_pool:worker_exitted(*,*,0).
% :- meta_predicate pure_input:phrase_stream(//,+,*).
% :- meta_predicate thread_httpd:http_process(0,+,+,*).
% :- meta_predicate http_dispatch:call_action(1,?).
% :- meta_predicate prolog_xref:eval_cond(0,*).
% :- meta_predicate prolog_xref:process_predicate_comma(?,2,?).
% :- meta_predicate prolog_xref:process_predicate_list(*,2,?).
% :- meta_predicate quasi_quotations:phrase_quasi_quotation(//,*).
% :- meta_predicate http_parameters:fill_parameter(*,*,2).
% :- meta_predicate time:run_alarm_goal(*,0).
% :- meta_predicate assoc:map_assoc_(*,2,*).
% :- meta_predicate assoc:map_assoc_(*,1).
% :- meta_predicate rbtrees:partial_map(*,*,*,*,2,*).
% :- meta_predicate rbtrees:apply(*,*,2,*).
% Restarting analysis ...
% Found new meta-predicates in iteration 3 (3.484 sec)
% :- meta_predicate http_dispatch:call_action(1,*,*).
% :- meta_predicate http_dispatch:time_limit_action(1,*,*).
% :- meta_predicate http_parameters:fill_parameters(*,*,2).
% :- meta_predicate http_parameters:http_parms(*,*,2,*).
% Restarting analysis ...
% Found new meta-predicates in iteration 4 (3.453 sec)
% :- meta_predicate http_dispatch:spawn_action(1,*,*).
% Restarting analysis ...
% Found new meta-predicates in iteration 5 (3.500 sec)
% :- meta_predicate http_dispatch:action(1,*,*).
% Restarting analysis ...
Warning: The predicates below are not defined. If these are defined
Warning: at runtime using assert/1, use :- dynamic Name/Arity.
Warning:
Warning: http_parameters:-/2, which is referenced by
Warning:        /usr/local/lib/swipl-7.3.19/library/http/http_parameters.pl:244:42: 1-st clause of http_parameters:http_convert_parameters/2
Warning: pldoc_http:start_emacs/0, which is referenced by
Warning:        /usr/local/lib/swipl-7.3.19/library/doc_http.pl:208:8: 1-st clause of pldoc_http:prepare_editor/0
Warning: prolog_edit:in_pce_thread/1, which is referenced by
Warning:        /usr/local/lib/swipl-7.3.19/library/edit.pl:281:8: 2-nd clause of prolog_edit:do_edit_source/1
make[1]: Leaving directory '/cygdrive/d/GITHUB/SWI/swipl-devel-unstable/packages'
make[1]: Entering directory '/cygdrive/d/GITHUB/SWI/swipl-devel-unstable/packages'
mkdir -p /usr/local/lib/swipl-7.3.19/doc/packages
for p in ; do \
    if [ -r $p/Makefile ]; then \
        make -C $p html-install || echo $p >> .failed.html-install; \
    fi; \
done
/usr/bin/install -c -m 644 index.html /usr/local/lib/swipl-7.3.19/doc/packages
make[1]: Leaving directory '/cygdrive/d/GITHUB/SWI/swipl-devel-unstable/packages'
make[1]: Entering directory '/cygdrive/d/GITHUB/SWI/swipl-devel-unstable/src'