proj:=dslibc

# COMPILER OPTIONS
CC:=gcc
CFLAGS:=-std=c17 -Wall -Werror -g

# DIRECTORIES
objdir:=obj
srcdir:=src
bindir:=bin
testdir:=test

# FILES
srcfiles:=$(wildcard $(srcdir)/*.c)
objfiles=$(patsubst $(srcdir)/%.c,$(objdir)/%.o, $(srcfiles))
objfiles:=$(filter-out $(objdir)/main.o, $(objfiles))
testfiles:=$(wildcard $(testdir)/*tests.c)

bin:=$(bindir)/$(proj)
testbins:=$(patsubst $(testdir)/%.c,$(bindir)/%, $(testfiles))

# TARGETS

.PHONY: build
build: $(objdir) $(bindir) $(bin)

.PHONY: clean
clean:
	-rm -r $(bindir) $(objdir)

.PHONY: test
test: build $(testbins)
	@for test in $(testbins); do ./$$test; done

.phony: run
run: build
	@$(bin)

.PHONY: info
info:
	@echo "srcfiles:  $(srcfiles)"
	@echo "objfiles:  $(objfiles)"
	@echo "testfiles: $(testfiles)"
	@echo "testbins: $(testbins)"

# Create binary
$(bin): $(objfiles) $(srcdir)/main.c
	$(CC) $(CFLAGS) $^ -o $@

# Create object files
$(objdir)/%.o: $(srcdir)/%.c
	$(CC) $(CFLAGS) -o $@ -c $<

# Make test binaries
$(bindir)/%: $(testfiles) $(objfiles)
	$(CC) $(CFLAGS) -o $@ -l criterion $^

# Create Directories
$(objdir):
	mkdir $@

$(bindir):
	mkdir $@