V0_SRC := v0/main.c v0/token.c v0/parser.c v0/log.c

# V0_TEST must only include `v0/test.c` itself, as all other test C–source files are
# included directly into `v0/test.c` using `#include "test_xyz.c"`.
V0_TEST := v0/test.c

V0_SRC_OBJ := $(patsubst v0/%.c,v0/bin/%.o,$(V0_SRC))
V0_TEST_OBJ := $(patsubst v0/%.c,v0/bin/%.o,$(V0_TEST))

# Define dependency file lists for sources and tests
V0_SRC_DEPS := $(V0_SRC_OBJ:.o=.d)
V0_TEST_DEPS := $(V0_TEST_OBJ:.o=.d)

v0/bin/c2: $(V0_SRC_OBJ)
	$(CC) $(CFLAGS) -o $@ $^

V0_SRC_OBJ_NO_MAIN := $(filter-out v0/bin/main.o,$(V0_SRC_OBJ))

v0/bin/test: $(V0_SRC_OBJ_NO_MAIN) $(V0_TEST_OBJ)
	$(CC) $(CFLAGS) -o $@ $^

test:: v0/bin/test
	valgrind --leak-check=full --error-exitcode=1 v0/bin/test

generate_golden:: v0/bin/test
	GENERATE_GOLDEN=1 v0/bin/test

clean::
	rm -f v0/bin/test v0/bin/c2 $(V0_SRC_OBJ) $(V0_TEST_OBJ) $(V0_SRC_DEPS) $(V0_TEST_DEPS)

# Build each .c file into a .o file, tracking header dependencies.
v0/bin/%.o: v0/%.c v0/include.mk
	@mkdir -p $(dir $@)
	$(CC) $(CFLAGS) -MMD -MP -c $< -o $@

# Reference dependency files
-include $(V0_SRC_DEPS)
-include $(V0_TEST_DEPS)