Refactor build.rs files to link static bpf library and handle LIBBPF_… #1

	name: auto_release
	on:
	push:
	branches: [ "**"]
	permissions:
	contents: write
	env:
	CARGO_TERM_COLOR: always
	jobs:
	bpf:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: build bpf
	if: github.event_name == 'push' && github.ref == 'refs/heads/master'
	id: build_bpf
	uses: arloor/rust_musl_action@latest
	with:
	use_musl: false
	extra_deps: cmake zlib1g-dev libelf-dev clang libbpf-dev
	after_install: \|
	# find / -name libelf.a
	# find / -name libbpf.a
	# find / -name libz.a
	export LIBBPF_SYS_LIBRARY_PATH=/usr/lib:/usr/lib64:/usr/lib/x86_64-linux-gnu
	echo -e "\e[31mLIBBPF_SYS_LIBRARY_PATH=$LIBBPF_SYS_LIBRARY_PATH\e[0m"
	args: -p socket_filter --no-default-features --features static
	apt_mirror: mirrors.mit.edu
	rust_flags: -C target-feature=+crt-static
	debug: false
	- name: ls dir
	run: \|
	ls ${{ steps.build_bpf.outputs.release_dir }}

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