50 lines
1.2 KiB
Makefile
50 lines
1.2 KiB
Makefile
# SPDX-FileCopyrightText: 2025 UnionTech Software Technology Co., Ltd
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#
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# SPDX-License-Identifier: LGPL-2.1
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PROJ_ROOT ?= ..
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MODULE := $(notdir $(CURDIR))
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BUILD_DIR := $(PROJ_ROOT)/build/$(MODULE)
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BPF_SRC = $(shell ls *.bpf.c)
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TARGETs = $(BPF_SRC:%.bpf.c=$(BUILD_DIR)/%.bpf.o)
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BPF_TARGET_ARCH := $(shell uname -m)
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ifeq ($(BPF_TARGET_ARCH), loongarch64)
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BPF_TARGET_ARCH := loongarch
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endif
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CLANG_FLAGS = -g -MMD -Wall -O2 \
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-I$(PROJ_ROOT)/include \
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-I$(PROJ_ROOT)/export/ \
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-I$(PROJ_ROOT)/build/include
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.PHONY: all clean
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# 注明不要删除的中间文件
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.SECONDARY:
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.SUFFIXES:
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all: $(TARGETs)
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# Ensure object directory exists
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$(BUILD_DIR):
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@mkdir -p $@
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$(BUILD_DIR)/%.bpf.o: %.bpf.c $(PROJ_ROOT)/build/include/vmlinux.h $(PROJ_ROOT)/build/include/kconfig.h | $(BUILD_DIR)
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clang -D__$(BPF_TARGET_ARCH)__ $(CLANG_FLAGS) -target bpf -c $< -o $@
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$(PROJ_ROOT)/build/include/vmlinux.h:
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make -C $(PROJ_ROOT)/include/ $@
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$(PROJ_ROOT)/build/include/kconfig.h:
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make -C $(PROJ_ROOT)/include/ $@
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built-in.a:
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clang -r $(BUILD_DIR)/*.bpf.o -o $@
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clean:
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rm -f $(BUILD_DIR)/*.o $(BUILD_DIR)/*.d $(TARGETs)
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distclean:
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rm -rf $(BUILD_DIR)
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-include $(wildcard $(BUILD_DIR)/*.d)
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