1

我在 nixos 20.09 上并尝试构建支持 C# 的 godot-3.2.3-stable。

我正在按照godot docs上的说明进行操作，其中指出首先必须启用单声道模块，然后生成单声道胶水。我尝试根据我的需要调整 NixOS/nixpkgs 存储库的default.nix ，但失败了。

我尝试的是首先生成 godot 文档中提到的胶水，然后使用 C# 支持进行编译。

with import <nixpkgs> {};

let options = {
  pulseaudio = true;
};`

in 
stdenv.mkDerivation rec {
  name = "tools_";
  version = "3.2.3";

  src = ./godot-3.2.3-stable.tar.gz;

  nativeBuildInputs = with pkgs; [ pkg-config ];
  buildInputs = with pkgs; [ scons mono6 msbuild dotnetPackages.Nuget xorg.libX11 xorg.libXcursor
                             xorg.libXinerama xorg.libXrandr xorg.libXrender xorg.libXi xorg.libXext 
                             xorg.libXfixes freetype openssl alsaLib libpulseaudio libGLU zlib yasm
                            ];

  patches = [
    ./pkg_config_additions.patch
    ./dont_clobber_environment.patch
  ];

  enableParallelBuilding = true;

  sconsFlags = "target=release_debug platform=x11 tools=yes module_mono_enabled=yes mono_glue=no";
  preConfigure = ''
    sconsFlags+=" ${lib.concatStringsSep " " (lib.mapAttrsToList (k: v: "${k}=${builtins.toJSON v}") options)}"
  '';

  outputs = [ "out" ];

  installPhase = ''
    mkdir -p "$out/bin"
    cp bin/godot.* $out/bin/godot
  '';

}

但是，如果我运行它，nix-build我会得到错误：

Checking for `thread_local` support... supported
Mono root directory not found. Using pkg-config instead
/nix/store/vnyfysaya7sblgdyvqjkrjbrb0cy11jf-bash-4.4-p23/bin/sh: pkg-config: command not found
OSError: 'pkg-config monosgen-2 --libs-only-L' exited 127:
  File "/build/godot-3.2.3-stable/SConstruct", line 617:
    SConscript("modules/SCsub")
  File "/nix/store/ypb1lsl610mw3s76p232hjmnhwakjb06-scons-4.0.1/lib/python3.8/site-packages/SCons/Script/SConscript.py", line 661:
    return method(*args, **kw)
  File "/nix/store/ypb1lsl610mw3s76p232hjmnhwakjb06-scons-4.0.1/lib/python3.8/site-packages/SCons/Script/SConscript.py", line 598:
    return _SConscript(self.fs, *files, **subst_kw)
  File "/nix/store/ypb1lsl610mw3s76p232hjmnhwakjb06-scons-4.0.1/lib/python3.8/site-packages/SCons/Script/SConscript.py", line 287:
    exec(compile(scriptdata, scriptname, 'exec'), call_stack[-1].globals)
  File "/build/godot-3.2.3-stable/modules/SCsub", line 21:
    SConscript(name + "/SCsub")  # Built-in.
  File "/nix/store/ypb1lsl610mw3s76p232hjmnhwakjb06-scons-4.0.1/lib/python3.8/site-packages/SCons/Script/SConscript.py", line 661:
    return method(*args, **kw)
  File "/nix/store/ypb1lsl610mw3s76p232hjmnhwakjb06-scons-4.0.1/lib/python3.8/site-packages/SCons/Script/SConscript.py", line 598:
    return _SConscript(self.fs, *files, **subst_kw)
  File "/nix/store/ypb1lsl610mw3s76p232hjmnhwakjb06-scons-4.0.1/lib/python3.8/site-packages/SCons/Script/SConscript.py", line 287:
    exec(compile(scriptdata, scriptname, 'exec'), call_stack[-1].globals)
  File "/build/godot-3.2.3-stable/modules/mono/SCsub", line 34:
    mono_configure.configure(env, env_mono)
  File "/build/godot-3.2.3-stable/modules/mono/build_scripts/mono_configure.py", line 351:
    tmpenv.ParseConfig("pkg-config monosgen-2 --libs-only-L")
  File "/nix/store/ypb1lsl610mw3s76p232hjmnhwakjb06-scons-4.0.1/lib/python3.8/site-packages/SCons/Environment.py", line 1612:
    return function(self, self.backtick(command))
  File "/nix/store/ypb1lsl610mw3s76p232hjmnhwakjb06-scons-4.0.1/lib/python3.8/site-packages/SCons/Environment.py", line 599:
    raise OSError("'%s' exited %d" % (command, status))
builder for '/nix/store/acpp99hr7q92a7j1bk2nga00n4v8za7z-tools_.drv' failed with exit code 2
error: build of '/nix/store/acpp99hr7q92a7j1bk2nga00n4v8za7z-tools_.drv' failed

很抱歉，但我完全迷路了，因为这是我正在尝试构建的第一个推导。我已经搜索了nixpkgs 手册，但无法解决我的问题。可能是因为我不确定我在寻找什么。我还问自己这是否会起作用，因为 godot 文档指出，在生成胶水之后，必须：

### Build binaries normally
# Editor
scons p=x11 target=release_debug tools=yes module_mono_enabled=yes

而且我不知道我是否可以简单地使用适当的 sconsFlags 重新运行上述推导，或者我是否以及如何简单地编写一个完成相同工作的文件。

如果有人可以帮助我并为我指明正确的方向，以便我至少知道我究竟要寻找什么，我将非常感激。提前致谢。

4

0 回答 0