CXX := g++

CXXFLAGS := -Wall -Wextra -Wpedantic -O3 -std=c++20 -march=native -fno-math-errno -flto=auto

LDFLAGS := -static -s

ifeq ($(OS),Windows_NT)

EXE_EXT := .exe

RM := del /Q /F

RMDIR := rmdir /S /Q

MKDIR_P = if not exist $(subst /,\,$(1)) mkdir $(subst /,\,$(1))

EXE_EXT :=

RM := rm -f

RMDIR := rm -rf

MKDIR_P = mkdir -p $(1)

SRC_DIR := src

OBJ_DIR := bin

TARGET := sac$(EXE_EXT)

rwildcard=$(foreach d,$(wildcard $(1:=/*)),$(call rwildcard,$(d),$(2)) $(filter $(subst *,%,$(2)),$(d)))

SRCS := $(strip $(call rwildcard, $(SRC_DIR), *.cpp))

OBJS := $(SRCS:$(SRC_DIR)/%.cpp=$(OBJ_DIR)/%.o)

all: $(TARGET)

$(TARGET): $(OBJS)

$(CXX) $(LDFLAGS) $(OBJS) -o $@

$(OBJ_DIR)/%.o: $(SRC_DIR)/%.cpp

@$(call MKDIR_P,$(dir $@))

$(CXX) $(CXXFLAGS) -c $< -o $@

clean:

$(RM) $(TARGET)

$(RMDIR) $(OBJ_DIR)

.PHONY: all clean