.POSIX:
CC        = c99
CFLAGS    = -std=c99 -Wall -Wextra -Wpedantic -fPIC -g -DVERSION='"$(VERSION)"' -DDATE='"$(DATE)"'
LDFLAGS   =
LDLIBS    =
PREFIX    = @PREFIX@
MANPREFIX = $(PREFIX)/share/man
VERSION   = @VERSION@
DATE      = @DATE@

sources = src/remembering.c

manpages = \
	doc/remembering.1 \
	doc/remembering.5

all: remembering remembering-c run-tests

remembering: src/remembering.in
	$(do_subst) < $? > $@-t
	chmod +x $@-t
	mv $@-t $@

remembering-c: $(sources)
	$(CC) $(CFLAGS) $(LDFLAGS)                   -o $@ $(sources) $(LDLIBS)

run-tests: $(sources)
	$(CC) $(CFLAGS) $(LDFLAGS) -DTEST            -o $@ $(sources) $(LDLIBS)

fallible-tests: $(sources)
	$(CC) $(CFLAGS) $(LDFLAGS) -DTEST -DFALLIBLE -o $@ $(sources) $(LDLIBS)

check: all
	./run-tests
	sh tests/cli-opts.sh
	sh tests/ranking.sh
	sh tests/signals.sh
	if [ -d .git ]; then \
		echo 'Assuming Git repository, running development checks.'; \
		$(MAKE) dev-check; \
	fi

VALGRIND_FLAGS= \
	--show-error-list=yes \
	--show-leak-kinds=all \
	--leak-check=full     \
	--track-origins=yes   \
	--error-exitcode=1

dev-check: all fallible-tests
	valgrind $(VALGRIND_FLAGS) ./run-tests
	fallible-check ./fallible-tests
	sh aux/assert-clang-format.sh
	sh aux/assert-shellcheck.sh
	sh aux/workflow/assert-todos.sh

dist:
	sh aux/workflow/dist.sh $(DATE) $(VERSION)

clean:
	rm -rf public/ tests/test-profiles/ remembering remembering-c run-tests fallible* vgcore*

do_subst = sed                      \
  -e 's:[@]VERSION[@]:$(VERSION):g' \
  -e 's:[@]DATE[@]:$(DATE):g'

install: all
	install -m 755 -D remembering $(DESTDIR)$(PREFIX)/bin/remembering
	for m in $(manpages); do \
		n=$${m##*.}; \
		mkdir -p $(DESTDIR)$(MANPREFIX)/man$$n; \
		$(do_subst) < $$m | gzip > $(DESTDIR)$(MANPREFIX)/man$$n/`basename $$m`.gz; \
	done

uninstall:
	rm -f $(DESTDIR)$(PREFIX)/bin/remembering
	for m in $(manpages); do rm -f $(DESTDIR)$(MANPREFIX)/man$${##*.}/`basename $$m`.gz; done

NAME_UC = Remembering
NAME = remembering
MAILING_LIST = public-inbox
public: README.md TODOs.md CHANGELOG.md $(manpages)
	sh aux/workflow/TODOs.sh $(NAME_UC) $(NAME) $(MAILING_LIST)
	sh aux/workflow/README.sh $(NAME_UC) $(NAME)
	sh aux/workflow/commonmark.sh $(NAME_UC) CHANGELOG.md
	sh aux/ci/report.sh $(NAME)
	for m in $(manpages); do groff -m man -Thtml $$m > public/`basename $$m`.html; done

.PHONY: all clean check dev-check dist install uninstall