#!/usr/bin/make

print-%:; @echo $* = $($*)

ifeq ($(shell uname -m), x86_64)
VULKAN_SDK_PATH = ./VulkanSDK/0.1.1.77/x86_64
endif

vpath %.cpp ./sources
vpath %.o ./build/bin
vpath %.vert %.tess %.geom %.frag ./shaders

ODIR = ./build/bin
EXE = $(ODIR)/Test

CFLAGS = -std=c++11 -I$(VULKAN_SDK_PATH)/include -Iinclude
LDFLAGS = -L$(VULKAN_SDK_PATH)/lib `pkg-config --static --libs glfw3` -lvulkan

SRC = $(wildcard ./sources/*.cpp)
OBJ = $(patsubst ./sources/%,$(ODIR)/%,$(SRC:.cpp=.o))
GLSL = $(shell find ./shaders -type f \( -iname *.vert -o -iname *.frag \))
SPIRV = $(patsubst ./shaders/%,$(ODIR)/shaders/%,$(GLSL:=.spv))

# I want to do this:
# $(EXE) : %.o|$(ODIR); g++ $(CFLAGS) $^ -o $@ $(LDFLAGS)
# /%.o : %.cpp; g++ $(CFLAGS) -c $< -o $@
# but I have error

$(EXE): $(OBJ)|$(ODIR); g++ $(CFLAGS) $^ -o $@ $(LDFLAGS)
$(ODIR)/%.o: %.cpp; g++ $(CFLAGS) -c $< -o $@
$(ODIR):; @mkdir -p $^

all: $(EXE)
clean:; @mv $(EXE) $(OBJ) ~/.local/share/Trash
test: $(EXE)
    sh $(VULKAN_SDK_PATH)/../setup-env.sh
    ./$(EXE)

.PHONY: all clean