#!/bin/sh

NAME="libbpf"
DESC="A library for interacting with the Linux kernel's Berkeley Packet Filter (BPF) facility from user space"

MAKEDEPS="linux-headers elfutils zlib"

PKG_VER=1.0.1
SOURCE="https://github.com/libbpf/libbpf/archive/refs/tags/v$PKG_VER.tar.gz"

ADDITIONAL="
10-consolidate-lib-dirs.patch
"

build() {
	cd src
	make NO_PKG_CONFIG=1
}

check() {
	echo "#include \"$BUILD_ROOT/src/btf.h\"" | gcc -xc -c -o /dev/null -
}

package() {
	cd src
	make install DESTDIR="$PKG_DEST"
	# install somewhere out of the way that will hopefully not be included by mistake
	mkdir -p "$PKG_DEST/usr/include/bpf/uapi/linux"
	for header in bpf.h bpf_common.h btf.h; do
		cp "$BUILD_ROOT/include/uapi/linux/$header" "$PKG_DEST/usr/include/bpf/uapi/linux/"
	done
}