botan3: fix static build (#458084)

{

  lib,

  stdenv,

  buildPackages,

  libcxxStdenv,

  fetchurl,

  pkgsStatic,

  runCommandLocal,

  binutils,

  python3,

  docutils,

  bzip2,

  zlib,

  jitterentropy,

  darwin,

  esdm,

  tpm2-tss,

  static ? stdenv.hostPlatform.isStatic, # generates static libraries *only*

  static ? stdenv.hostPlatform.isStatic,

  windows,

  # build ESDM RNG plugin

  # useful, but have to disable tests for now, as /dev/tpmrm0 is not accessible

  withTpm2 ? false,

  policy ? null,

}:

}@args:

assert lib.assertOneOf "policy" policy [

  # no explicit policy is given. The defaults by the library are used

  # only allow "modern" algorithms

  "modern"

];

let

  stdenv' = if static then buildPackages.libcxxStdenv else stdenv;

  stdenv = if static then libcxxStdenv else args.stdenv;

  # (based on same workaround from capnproto package)

  #

  # HACK: work around https://github.com/NixOS/nixpkgs/issues/177129

  # Though this is an issue between Clang and GCC,

  # so it may not get fixed anytime soon...

  empty-libgcc_eh =

    runCommandLocal "empty-libgcc_eh"

      {

        nativeBuildInputs = [ binutils ];

      }

      ''

        mkdir -p "$out"/lib

        ${stdenv.cc.targetPrefix}ar r "$out"/lib/libgcc_eh.a

      '';

in

stdenv'.mkDerivation (finalAttrs: {

stdenv.mkDerivation (finalAttrs: {

  version = "3.9.0";

  pname = "botan";

    windows.pthreads

  ];

  propagatedBuildInputs = lib.optional static empty-libgcc_eh;

  buildTargets = [

    "cli"

  ]