fUCK Makefiles

####### Globals #######
CC = gcc
CXX = g++
EXT = .exe

####### Folder names + output name #######
TARGET      :=  $(notdir $(CURDIR))
BUILD       :=  build
SOURCES     :=  src
DATA        :=  data
INCLUDES    :=  include

####### Compile flags #######
CFLAGS      = -I./include/ -g -O2 -Wall -Wextra $(INCLUDE)
CXXFLAGS    = $(CFLAGS) -std=c++17
LDFLAGS     =

####### Find all compilable files #######
FILES_C     :=  $(shell find . -name *.c)
FILES_CPP   :=  $(shell find . -name *.cpp)
FILES_SRC   :=  $(shell find . -name *.s)

####### Generate list of all .o files #######
OBJS_C      :=  $(foreach file,$(FILES_C),./$(BUILD)/$(subst ./$(SOURCES)/,,$(file:%.c=%.o)))
OBJS_CPP    :=  $(foreach file,$(FILES_CPP),./$(BUILD)/$(subst ./$(SOURCES)/,,$(file:%.cpp=%.o)))
OBJS_SRC    :=  $(foreach file,$(FILES_SRC),./$(BUILD)/$(subst ./$(SOURCES)/,,$(file:%.s=%.o)))

####### Rules #######
all: $(BUILD)
.PHONY: clean all

####### Link and output .exe #######
$(BUILD): $(OBJS_C) $(OBJS_CPP) $(OBJS_SRC)
    @echo output ... $(TARGET)$(EXT)
    @$(CXX) $(LDFLAGS) -o $(TARGET) $(OBJS_C) $(OBJS_CPP) $(OBJS_SRC)

####### Compile .cpp to .o #######
$(OBJS_CPP): $(FILES_CPP)
    @echo $(notdir $<)
    @mkdir -p $(dir $@)
    @$(CXX) $(FLAGS) $(CXXFLAGS) -c -o $@ $<

####### Compile .s to .o #######
$(OBJS_SRC): $(FILES_SRC)
    @echo $(notdir $<)
    @mkdir -p $(dir $@)
    @$(CC) $(CFLAGS) -c -o $@ $<

####### Compile .c to .o #######
$(OBJS_C): $(FILES_C)
    @echo $(notdir $<)
    @mkdir -p $(dir $@)
    @$(CC) $(CFLAGS) -c -o $@ $<

clean:
    rm -rf $(BUILD)
    rm -rf $(TARGET)$(EXT)