proj=tdo

# Compiler options
CC=gcc
CFLAGS=-std=c17 -Wall -Werror -g

# Directory paths
srcdir:=src
bindir:=bin
objdir:=obj

# Files
srcfiles=$(filter-out $(srcdir)/main.c,$(wildcard $(srcdir)/*.c))
objfiles=$(srcfiles:.c=.o)

.PHONY: build
build: $(bindir)/$(proj)

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

.PHONY: info
info:
	@echo srcfiles: $(srcfiles)
	@echo objfiles: $(objfiles)

.PHONY: run
run: build
	$(bindir)/$(proj)

# Make directories
$(bindir):
	mkdir $@

$(objdir):
	mkdir $@

# Create object files
$(objdir)/%.o: $(objdir) $(srcfiles)
	$(CC) $(CFLAGS) -o $@ -c $(patsubst %.o,$(srcdir)/%.c,$(notdir $@))

# Build executable including any object files
$(bindir)/$(proj): $(bindir) $(objfiles) $(srcdir)/main.c
	$(CC) $(CFLAGS) -o $@ $(filter-out $<,$^)