# SPDX-FileCopyrightText: Emery Hemingway
#
# SPDX-License-Identifier: LicenseRef-Hippocratic-1.1

{ stdenv, fetchgit, fetchurl, genodeHeaders, bison, flex, glibc, writeText }:

let
  archInfo = with stdenv.hostPlatform;
    if isAarch32 then {
      inherit isArm isAarch32;
    } else if isAarch64 then {
      inherit isArm isAarch64;
    } else if isx86_32 then {
      inherit isx86 isx86_32;
    } else if isx86_64 then {
      inherit isx86 isx86_64;
    } else
      { };
in stdenv.mkDerivation (archInfo // {
  pname = "libgenode";
  version = "19.11";

  inherit genodeHeaders;

  depsBuildBuild = [
    bison
    flex
    glibc # provides rpcgen
  ];

  src = fetchurl {
    url =
      "http://ftp.freebsd.org/pub/FreeBSD/releases/amd64/12.0-RELEASE/src.txz";
    sha256 = "0da393ac2174168a71c1c527d1453e07372295187d05c288250800cb152a889b";
  };

  unpackPhase = "tar xf $src $tarFlags";

  tarFlags = [
    "--strip-components=2"
    "usr/src/contrib/gdtoa"
    "usr/src/contrib/libc-vis"
    "usr/src/contrib/tzcode/stdtime"
    "usr/src/include"
    "usr/src/lib/libc"
    "usr/src/lib/msun"
    "usr/src/sys/amd64"
    "usr/src/sys/arm"
    "usr/src/sys/arm64"
    "usr/src/sys/bsm"
    "usr/src/sys/crypto/chacha20"
    "usr/src/sys/i386"
    "usr/src/sys/libkern"
    "usr/src/sys/net"
    "usr/src/sys/netinet"
    "usr/src/sys/netinet6"
    "usr/src/sys/riscv"
    "usr/src/sys/rpc"
    "usr/src/sys/sys"
    "usr/src/sys/vm"
    "usr/src/sys/x86"
  ];

  patches = [
    ./cdefs_no_hidden.patch
    ./_CurrentRuneLocale.patch
    ./gdtoa.patch
    ./log2.patch
    ./MB_CUR_MAX.patch
    ./mktime.patch
    ./printfcommon.patch
    ./rcmd.patch
    ./res_init_c.patch
    ./runetype.patch
    ./semaphore.patch
    ./thread_local.patch
    ./types.patch
    ./vfwprintf_c_warn.patch
    ./xlocale.patch
    ./xlocale_private.patch
    ./xprintf_float.patch
  ];

  patchFlags = "-p0 --strip 3";

  genodeRelLd = "${genodeHeaders}/ld/genode_rel.ld";

  genodePrgPcIn = ./genode-prg.pc.in;
  libcSymbols = ./libc.symbols;

  ldSymbols = ./ld.symbols;
  linkerLd = ./linker.ld;

  vfsSymbols = ./vfs.symbols;

  builder = writeText "builder.sh" ''
    source $stdenv/setup
    export includedir=$out/include
    export pkgconfigdir=$out/lib/pkgconfig
    export lddir=${genodeHeaders}/ld
    mkdir -p $pkgconfigdir $out/lib

    source ${./libc-builder.sh}

    substituteAll ${./libc.pc.in} $pkgconfigdir/libc.pc
    substituteAll ${./vfs.pc.in} $pkgconfigdir/vfs.pc
    substituteAll ${./genode-prg.pc.in} $pkgconfigdir/genode-prg.pc

    ln -s $out/lib/libc.lib.so $out/lib/libc.so
  '';
})