# makefile inspired by:
# https://www.lucavall.in/blog/crafting-clean-maintainable-understandable-makefile-for-c-project
# https://archive.ph/2zHEM

debug ?= 0
NAME := yab-ssg
SRC_DIR := src
BUILD_DIR := build
INCLUDE_DIR := include
LIB_DIR := lib
BIN_DIR := bin
TESTS_DIR := tests

OBJS := $(patsubst %.c,%.o, $(wildcard $(SRC_DIR)/*.c) $(wildcard $(LIB_DIR)/**/*.c))

CC := clang
CFLAGS := -std=c99 -Wall -Wextra -Wpedantic

ifeq ($(debug), 1)
	CFLAGS := $(CFLAGS) -g -O0
else
	CFLAGS := $(CFLAGS) -Oz
endif

$(NAME): dir $(OBJS)
	$(CC) $(CFLAGS) $(LDFLAGS) -o $(BIN_DIR)/$@ $(patsubst %, build/%, $(OBJS))

$(OBJS): dir
	@mkdir -p $(BUILD_DIR)/$(@D)
	@$(CC) $(CFLAGS) -o $(BUILD_DIR)/$@ -c $*.c

# Runs CUnit tests
test: dir
	@$(CC) $(CFLAGS) -lcunit -o $(BIN_DIR)/$(NAME)_test $(TESTS_DIR)/*.c
	@$(BIN_DIR)/$(NAME)_test

# Run valgrind memory checker on executable
check: $(NAME)
	@sudo valgrind -s --leak-check=full --show-leak-kinds=all $(BIN_DIR)/$< --help
	@sudo valgrind -s --leak-check=full --show-leak-kinds=all $(BIN_DIR)/$< --version
	@sudo valgrind -s --leak-check=full --show-leak-kinds=all $(BIN_DIR)/$< -v

# Setup build and bin directories
dir:
	@mkdir -p $(BUILD_DIR) $(BIN_DIR)

# Clean build and bin directories
clean:
	@rm -rf $(BUILD_DIR) $(BIN_DIR)

.PHONY: check dir clean