# this file:
#   https://dataswamp.org/~incal/terror-3/Makefile

make-opts = -s -j -k

emacs = emacs # desktop 29.0.50, droid 24.5.1

emacs-run-opts = "(progn (setq auto-save-default nil) (setq make-backup-files nil) (setq load-path (append load-path '(\".\"))))"

compile-opts = "(setq load-path (append load-path '(\".\")))"
compile-cmd  = $(emacs) -batch -eval $(compile-opts) -f batch-byte-compile

sed-filter = 2>&1 | sed '/^\(Loading\|Wrote\)/d'
error-file = error.txt

ELS  = $(shell ls -1 *.el)
ELCS = $(ELS:.el=.elc)

all: $(ELCS)
	rm -f $(error-file)

%.elc: %.el
	$(compile-cmd) $< $(sed-filter) > $(error-file)
	if [ -s $(error-file) ]; then echo -n "\n$<: "; cat $(error-file); fi

run:
	$(emacs) -Q --eval $(emacs-run-opts) -l ev3.el

clean:
	$(shell rm -rf *.elc)
	rm -f $(error-file)

again:
	$(MAKE) $(make-opts) clean
	$(MAKE) $(make-opts)