nixpkgs/pkgs/os-specific/linux/libbpf/default.nix

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{ lib, stdenv, fetchFromGitHub, pkg-config
, libelf, zlib
, fetchpatch
}:
with builtins;
stdenv.mkDerivation rec {
pname = "libbpf";
version = "0.1.1";
src = fetchFromGitHub {
owner = "libbpf";
repo = "libbpf";
rev = "v${version}";
sha256 = "0ilnnm4q22f8fagwp8kb37licy4ks861i2iqh2djsypqhnxvx3fv";
};
patches = [
(fetchpatch { # included upstream for > 0.1.0
name = "link-zlib.patch";
url = "https://github.com/libbpf/libbpf/commit/8b14cb43ff837.diff";
sha256 = "17mvjrs7s727drz013a8qlyj0345ldi2kph6pazcmxv6kl1qrz2z";
})
];
patchFlags = "-p2";
# https://github.com/libbpf/libbpf/pull/201#issuecomment-689174740
postPatch = ''
substituteInPlace ../scripts/check-reallocarray.sh \
--replace 'mktemp /tmp/' 'mktemp ' \
--replace '/bin/rm' 'rm'
'';
nativeBuildInputs = [ pkg-config ];
buildInputs = [ libelf zlib ];
sourceRoot = "source/src";
enableParallelBuilding = true;
makeFlags = [ "PREFIX=$(out)" ];
# FIXME: Multi-output requires some fixes to the way the pkg-config file is
# constructed (it gets put in $out instead of $dev for some reason, with
# improper paths embedded). Don't enable it for now.
# outputs = [ "out" "dev" ];
meta = with lib; {
description = "Upstream mirror of libbpf";
homepage = "https://github.com/libbpf/libbpf";
license = with licenses; [ lgpl21 /* or */ bsd2 ];
maintainers = with maintainers; [ thoughtpolice vcunat ];
platforms = platforms.linux;
};
}