# Recursive Directory Digesting Makefile V1.0
# === Project Settings ===
PROJECT := soundThing           # Change this to your project name
CC      := gcc
CFLAGS  := -Wall -Wextra -std=c11 -O2
# Preprocessor flags (deps only here)
CPPFLAGS := -MMD -MP
# Add linker flags
LDFLAGS = -lraylib -lm -ldl -lpthread -lGL -lrt -lX11 -lasound #here (e.g. -lm)

# === Directory Structure ===
SRC_DIR := source
OBJ_DIR := build
BIN_DIR := bin
INC_DIR := include

# === Discover headers recursively ===
INC_SUBDIRS := $(shell find $(INC_DIR) -type d)
CPPFLAGS += $(addprefix -I,$(INC_SUBDIRS))

# === Discover sources recursively ===
SRC := $(shell find $(SRC_DIR) -type f -name '*.c')
# Map source paths to object paths (mirror folders under build/)
OBJ := $(patsubst $(SRC_DIR)/%.c,$(OBJ_DIR)/%.o,$(SRC))
DEP := $(OBJ:.o=.d)
BIN := $(BIN_DIR)/$(PROJECT)

# === Rules ===
.PHONY: all clean run dirs

all: dirs $(BIN)

dirs:
	@mkdir -p $(BIN_DIR)
	@mkdir -p $(sort $(dir $(OBJ)))  # create object subdirs that mirror source/

# Link objects into final executable
$(BIN): $(OBJ)
	$(CC) $(OBJ) -o $@ $(LDFLAGS)
	@echo "Linked -> $@"

# Compile each .c into a .o, with auto header deps
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
	$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
	@echo "Compiled -> $@"

# Run the program
run: all
	@echo "Running $(BIN)..."
	@$(BIN)

# Clean build artifacts
clean:
	@rm -rf $(OBJ_DIR) $(BIN)
	@echo "Clean complete."

# Include auto-generated dependency files (if present)
-include $(DEP)