+CXX = g++ --std=c++11
+LDXX = g++
+
+LIBS = sdl SDL_gfx SDL_image SDL_ttf
+
+PKGFLAGS := $(shell pkg-config --cflags $(LIBS))
+PKGLIBS := $(shell pkg-config --libs $(LIBS))
+
+CPPFLAGS ?=
+CPPFLAGS += $(PKGFLAGS)
+CXXFLAGS ?=
+CXXFLAGS += -Wall
+LDXXFLAGS ?=
+LDXXFLAGS += $(PKGLIBS)
+
+DEBUG_FLAGS = -g3 -O0
+PROFILE_FLAGS = -DNDEBUG -O1 -g3
+RELEASE_FLAGS = -DNDEBUG -O2
+
+SOURCE_DIR := src
+DEBUG_DIR := build/debug
+PROFILE_DIR := build/profile
+RELEASE_DIR := build/release
+DIR := $(RELEASE_DIR) $(DEBUG_DIR) $(PROFILE_DIR) build
+
+SRC := $(wildcard $(SOURCE_DIR)/*.cpp) $(wildcard $(SOURCE_DIR)/*/*.cpp)
+RELEASE_OBJ := $(patsubst $(SOURCE_DIR)/%.cpp, $(RELEASE_DIR)/%.o, $(SRC))
+DEBUG_OBJ := $(patsubst $(SOURCE_DIR)/%.cpp, $(DEBUG_DIR)/%.o, $(SRC))
+PROFILE_OBJ := $(patsubst $(SOURCE_DIR)/%.cpp, $(PROFILE_DIR)/%.o, $(SRC))
+RELEASE_DEP := $(RELEASE_OBJ:.o=.d)
+DEBUG_DEP := $(DEBUG_OBJ:.o=.d)
+PROFILE_DEP := $(PROFILE_OBJ:.o=.d)
+RELEASE_BIN := sdl-test8
+DEBUG_BIN := sdl-test8.debug
+PROFILE_BIN := sdl-test8.profile
+OBJ := $(RELEASE_OBJ) $(DEBUG_OBJ) $(PROFILE_OBJ)
+DEP := $(RELEASE_DEP) $(DEBUG_DEP) $(PROFILE_DEP)
+BIN := $(RELEASE_BIN) $(DEBUG_BIN) $(PROFILE_BIN)
+
+release: $(RELEASE_BIN)
+
+all: $(BIN)
+
+debug: $(DEBUG_BIN)
+
+profile: $(PROFILE_BIN)
+
+run: sdl-test8
+ ./sdl-test8
+
+gdb: sdl-test8.debug
+ gdb ./sdl-test8.debug
+
+cachegrind: sdl-test8.profile
+ valgrind ./sdl-test8.profile
+
+callgrind: sdl-test8.profile
+ valgrind --tool=callgrind \
+ --branch-sim=yes --cacheuse=yes --cache-sim=yes \
+ --collect-bus=yes --collect-systime=yes --collect-jumps=yes \
+ --dump-instr=yes --simulate-hwpref=yes --simulate-wb=yes \
+ ./sdl-test8.profile
+
+clean:
+ rm -df $(OBJ) $(DEP) $(DIR)
+
+distclean: clean
+ rm -f $(BIN) cachegrind.out.* callgrind.out.*
+
+.PHONY: all release debug profile run gdb cachegrind callgrind clean distclean
+
+-include $(DEP)
+
+$(RELEASE_BIN): $(RELEASE_OBJ)
+ @echo link: $@
+ @$(LDXX) -o $@ $(CXXFLAGS) $(LDXXFLAGS) $(RELEASE_FLAGS) $^
+
+$(DEBUG_BIN): $(DEBUG_OBJ)
+ @echo link: $@
+ @$(LDXX) -o $@ $(CXXFLAGS) $(LDXXFLAGS) $(DEBUG_FLAGS) $^
+
+$(PROFILE_BIN): $(PROFILE_OBJ)
+ @echo link: $@
+ @$(LDXX) -o $@ $(CXXFLAGS) $(LDXXFLAGS) $(PROFILE_FLAGS) $^
+
+$(RELEASE_DIR)/%.o: $(SOURCE_DIR)/%.cpp | $(RELEASE_DIR)
+ @mkdir -p "$(@D)"
+ @echo compile: $@
+ @$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(RELEASE_FLAGS) -o $@ -MMD -MP -MF"$(@:.o=.d)" -MT"$@" $<
+
+$(DEBUG_DIR)/%.o: $(SOURCE_DIR)/%.cpp | $(DEBUG_DIR)
+ @mkdir -p "$(@D)"
+ @echo compile: $@
+ @$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(DEBUG_FLAGS) -o $@ -MMD -MP -MF"$(@:.o=.d)" -MT"$@" $<
+
+$(PROFILE_DIR)/%.o: $(SOURCE_DIR)/%.cpp | $(PROFILE_DIR)
+ @mkdir -p "$(@D)"
+ @echo compile: $@
+ @$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(PROFILE_FLAGS) -o $@ -MMD -MP -MF"$(@:.o=.d)" -MT"$@" $<
+
+$(DIR):
+ @mkdir -p "$@"