make it compile with cmake.

Makefile-Self

@@ -0,0 +1,62 @@
+TARGET_EXEC := sim
+
+BUILD_DIR := ./build
+SRC_DIR := ./src
+INC_DIR := ./include
+SHADER_DIR := ./kernels
+SHADER_EXT := 'cl'
+
+# Find all the C and C++ files we want to compile
+SRCS := $(shell find $(SRC_DIR) -name '*.cpp')
+GLSLS := $(shell find $(SHADER_DIR) -name '*.cl')
+
+# Prepends BUILD_DIR and appends .o to every src file
+OBJS := $(SRCS:%=$(BUILD_DIR)/%.o)
+spirvs := $(glsls:%.$(shader_ext)=$(build_dir)/%.sphv)
+
+# String substitution (suffix version without %).
+DEPS := $(OBJS:.o=.d)
+
+# Every folder in ./include will need to be passed to GCC so that it can find header files
+INC_DIRS := $(shell find $(INC_DIR) -type d)
+# Add a prefix to INC_DIRS. So moduleA would become -ImoduleA. GCC understands this -I flag
+INC_FLAGS := $(addprefix -I,$(INC_DIRS))
+
+LIBS := OpenCL
+
+LDFLAGS := $(addprefix -l,$(LIBS))
+
+# The -MMD and -MP flags together generate Makefiles for us! we use c++ 26
+CPPFLAGS := -Wall -Wextra $(INC_FLAGS) -L/libs -MMD -MP -std=c++20
+
+#set flags for kernel compiling
+GPU_VENDOR := glxinfo | grep -E "OpenGL vendor | OpenGL renderer" | cut -d" " -f4
+ARCH := uname -m
+ifeq ($(GPU_VENDOR),"AMD")
+	CLFLAGS := --target=amdgcn-amd-amdhsa -mcpu=gfx900
+else ifeq ($(GPU_VENDOR),"NVIDIA")
+	CLFLAGS := --target=nvtpx64-unkown-unkown
+else ifeq ($(ARCH), "x86_64")
+	CLFLAGS := --target=spirv64
+else
+	CLFLAGS := --target=spirv32
+endif
+
+CXX := clang -v
+
+# The final build step.
+$(BUILD_DIR)/$(TARGET_EXEC): $(OBJS)
+	$(CXX) $(OBJS) -o $@ $(LDFLAGS)
+
+# Build step for C++ source
+$(BUILD_DIR)/%.cpp.o: %.cpp $(SPIRVS)
+	mkdir -p $(dir $@)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@ $(LDFLAGS)
+
+#build the shaders
+$(BUILD_DIR)/%.spv: %.cl
+	mkdir -p $(dir $@)
+	$(CXX) $(CLFLAGS) -c $< -o $@
+
+run: $(BUILD_DIR)/$(TARGET_EXEC)
+	./$(BUILD_DIR)/$(TARGET_EXEC)