xdpcap/Makefile at main · netops2devops/xdpcap · GitHub

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# xdpcap Makefile

CLANG ?= clang
ARCH := $(shell uname -m | sed 's/x86_64/x86/' | sed 's/aarch64/arm64/')
CFLAGS := -O2 -g -Wall -target bpf \
	-D__TARGET_ARCH_$(ARCH) \
	-I/usr/include/$(shell uname -m)-linux-gnu \
	-Ibpf

GO := go
BINARY := xdpcap
BPF_SRC := bpf/xdpcap.c
BPF_OBJ := bpf/xdpcap.o

.PHONY: all clean generate build install

all: generate build

# Generate Go bindings from eBPF object file
generate: $(BPF_OBJ)
	cd internal/capture && $(GO) generate

# Compile eBPF program (depends on vmlinux.h)
$(BPF_OBJ): $(BPF_SRC) bpf/vmlinux.h
	$(CLANG) $(CFLAGS) -c $< -o $@

# Build Go binary
build:
	CGO_ENABLED=0 $(GO) build -o $(BINARY) ./cmd/xdpcap

# Install binary and default config
install: build
	install -m 755 $(BINARY) /usr/local/bin/
	install -d /etc/xdpcap
	install -m 644 configs/xdpcap.yaml.example /etc/xdpcap/xdpcap.yaml.example

clean:
	rm -f $(BPF_OBJ) $(BINARY)
	rm -f internal/capture/xdpcap_bpf*.go internal/capture/xdpcap_bpf*.o

# Development helpers
.PHONY: deps deps-system lint test vmlinux

# Install system build dependencies (Ubuntu/Debian) - requires sudo
deps-system:
	apt-get update
	apt-get install -y clang llvm libbpf-dev linux-tools-common linux-tools-$$(uname -r)

# Download Go module dependencies
deps:
	$(GO) mod download
	$(GO) mod tidy

# Generate vmlinux.h from kernel BTF (requires bpftool)
vmlinux: bpf/vmlinux.h

bpf/vmlinux.h:
	bpftool btf dump file /sys/kernel/btf/vmlinux format c > $@

lint:
	golangci-lint run ./...

test:
	$(GO) test -v ./...