nixpkgs/pkgs/tools/filesystems/btrfsprogs/default.nix

{ stdenv, fetchurl, pkgconfig, attr, acl, zlib, libuuid, e2fsprogs, lzo
, asciidoc, xmlto, docbook_xml_dtd_45, docbook_xsl, libxslt }:

let version = "4.1.1"; in

stdenv.mkDerivation (rec {
  name = "btrfs-progs-${version}";

  src = fetchurl {
    url = "mirror://kernel/linux/kernel/people/kdave/btrfs-progs/btrfs-progs-v${version}.tar.xz";
    sha256 = "1d01f2i5fnnhkp184kfv8b9l37v1dmvqwqr22k71x6k2ss7nkwmp";
  };

  buildInputs = [
    pkgconfig attr acl zlib libuuid e2fsprogs lzo
    asciidoc xmlto docbook_xml_dtd_45 docbook_xsl libxslt
  ];

  # for btrfs to get the rpath to libgcc_s, needed for pthread_cancel to work
  NIX_CFLAGS_LINK = "-lgcc_s";

  makeFlags = "prefix=$(out)";

  meta = with stdenv.lib; {
    description = "Utilities for the btrfs filesystem";
    homepage = https://btrfs.wiki.kernel.org/;
    license = licenses.gpl2;
    maintainers = with maintainers; [ raskin wkennington ];
    platforms = platforms.linux;
  };
} // (if stdenv.isArm then {
  # gcc bug with -O1 on ARM
  patchPhase = "sed -i s/-O1/-O2/ configure";
} else {}))