#
# **************************************************************
# *                Simple C++ Makefile Template                *
# *                                                            *
# * Author: Arash Partow (2003)                                *
# * URL: http://www.partow.net/programming/makefile/index.html *
# * Modified: Maximilian Stiefel (2021)			       *
# *							       *
# * Copyright notice:                                          *
# * Free use of this C++ Makefile template is permitted under  *
# * the guidelines and in accordance with the the MIT License  *
# * http://www.opensource.org/licenses/MIT                     *
# *                                                            *
# **************************************************************
#

CXX      := -clang
CXXFLAGS := -pedantic-errors -Wall -Wextra -Werror -std=c++20 -pthread
LDFLAGS  := -lstdc++ -lrt -lpigpio -lm -lboost_program_options
BUILD    := ./build
OBJ_DIR  := $(BUILD)/objects
APP_DIR  := $(BUILD)/app
TARGET   := SaMcam
INCLUDE  := -Iinclude/ -Ilib/
SRC      :=                     \
   $(wildcard src/drivers/*.cpp)\
   $(wildcard src/hal/*.cpp) 	\
   $(wildcard src/*.cpp)	\

OBJECTS  := $(SRC:%.cpp=$(OBJ_DIR)/%.o)
DEPENDENCIES \
         := $(OBJECTS:.o=.d)

all: build $(APP_DIR)/$(TARGET)

$(OBJ_DIR)/%.o: %.cpp
	@mkdir -p $(@D)
	$(CXX) $(CXXFLAGS) $(INCLUDE) -c $< -MMD -o $@

$(APP_DIR)/$(TARGET): $(OBJECTS)
	@mkdir -p $(@D)
	$(CXX) $(CXXFLAGS) -o $(APP_DIR)/$(TARGET) $^ $(LDFLAGS)

-include $(DEPENDENCIES)

.PHONY: all build clean debug release info

build:
	@mkdir -p $(APP_DIR)
	@mkdir -p $(OBJ_DIR)

debug: CXXFLAGS += -DDEBUG -g
debug: all

release: CXXFLAGS += -O2
release: all

clean:
	-@rm -rvf $(OBJ_DIR)/*
	-@rm -rvf $(APP_DIR)/*

info:
	@echo "[*] Application dir: ${APP_DIR}     	"
	@echo "[*] Object dir:      ${OBJ_DIR}     	"
	@echo "[*] Sources:         ${SRC}         	"
	@echo "[*] Objects:         ${OBJECTS}     	"
	@echo "[*] Dependencies:    ${DEPENDENCIES}	"
	@echo "[*] Linker flags:    ${LDFLAGS}		"