SHELL := $(shell which bash)
.ONESHELL:

ATT = $(EXE:=.att)
EXE = $(basename $(SRC))
GBM = $(basename $(shell grep -l benchmark.h $(SRC)))
DEP = $(foreach i,$(EXE:=.d),.$i)
SRC = $(sort $(wildcard *.cc))

CXXFLAGS = -flto -fno-exceptions -g -march=native -MF .$*.d -MMD -MP -O3 -std=c++23 -Wall

$(GBM): CXXFLAGS += $(shell pkg-config --cflags benchmark)
$(GBM): LDLIBS += $(shell pkg-config --libs benchmark)

all: att test

att: $(ATT)

clean:
	-rm -fv $(ATT) $(DEP) $(EXE) $(GBM) {,vg}core{,.*} *~
	-find -mindepth 2 -maxdepth 2 -iname makefile -execdir make $@ \;

exe: $(EXE)

leak: $(EXE)
	-@for i in $^; do
		make $$i.leak &> /dev/null
		if [ "$$?" == "0" ]; then
			echo "$$i no leaks"
		else
			echo "$$i LEAKS!!!"
		fi
	done

run: $(EXE)
	@for i in $^; do 
		printf "\e[32m%64s\n _$${i}\n%64s\n\e[0m" | tr ' _' '# '
		./$$i
	done

test: $(filter-out $(GBM),$(EXE))
	@for i in $^; do
		./$$i 1> /tmp/$$i.tmp 2> /dev/null
		ret=$$?
		if [[ "$$ret" != "0" ]]; then
			printf '\e[1;31m'
		fi
		printf '%16s --> %i : ' $$i $$ret
		cat /tmp/$$i.tmp
		rm -f /tmp/$$i.tmp
		printf '\e[0m'
	done

%.att: %
	objdump -Cd $< > $@

%.leak: %
#	-valgrind --leak-check=full --show-error-list=yes --show-leak-kinds=all --track-origins=yes --verbose ./$<
	-valgrind --leak-check=summary --show-leak-kinds=all --track-origins=yes ./$<

%.ltrace: %
	ltrace -cfS ./$< |& c++filt

-include $(DEP)

.PHONY: all att clean exe leak run test
.PRECIOUS: $(DEP)