make c++ only. fix makefile. next library fix.

Makefile

@@ -2,7 +2,8 @@ TARGET_EXEC := sim
 
 BUILD_DIR := ./build
 SRC_DIR := ./src
-SHADER_DIR := ./shaders
+INC_DIR := ./include
+SHADER_DIR := ./kernels
 
 # Find all the C and C++ files we want to compile
 SRCS := $(shell find $(SRC_DIR) -name '*.cpp')
@@ -15,27 +16,31 @@ SPIRVS := $(GLSLS:%.glsl=$(BUILD_DIR)/%.sphv)
 # String substitution (suffix version without %).
 DEPS := $(OBJS:.o=.d)
 
-# Every folder in ./src will need to be passed to GCC so that it can find header files
-INC_DIRS := $(shell find $(SRC_DIRS) -type 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
 
-# The -MMD and -MP flags together generate Makefiles for us!
-CPPFLAGS := $(INC_FLAGS) -MMD -MP
+LDFLAGS := $(addprefix -l,$(LIBS))
+
+# The -MMD and -MP flags together generate Makefiles for us! we use c++ 26
+CPPFLAGS := -Wall -Wextra $(INC_FLAGS) -MMD -MP -std=c++23
 
 # The final build step.
 $(BUILD_DIR)/$(TARGET_EXEC): $(OBJS)
 	$(CXX) $(OBJS) -o $@ $(LDFLAGS)
 
 # Build step for C++ source
-$(BUILD_DIR)/%.cpp.o: %.cpp .simdb $(SPIRVS)
-    $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $i@
+$(BUILD_DIR)/%.cpp.o: %.cpp $(SPIRVS)
+	mkdir -p $(dir $@)
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@ $(LDFLAGS)
 
 #build the shaders
 $(SPIRVS): $(GLSL)
-    mkdir -p $(dir $@)
-    glslc $(shaders).glsl $(shaders).spv
+	mkdir -p $(dir $@)
+	glslc $(shaders).glsl $(shaders).spv
 
 run: $(BUILD_DIR)/$(TARGET_EXEC)
-    ./$(BUILD_DIR)/$(TARGET_EXEC)
+	./$(BUILD_DIR)/$(TARGET_EXEC)