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godot: add mono support #88006

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godot: add mono support #88006

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lihop
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@lihop lihop commented May 17, 2020 •
edited

Following the guide https://docs.godotengine.org/en/3.2/development/compiling/compiling_with_mono.html

Motivation for this change

The Godot game engine supports scripting with the C# programming language. However, in order to so it must be compiled with mono support. This pull request adds such an option to the Nixpkgs derivation.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits CONTRIBUTING.md.

@lihop lihop mentioned this pull request May 17, 2020
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@lukateras lukateras self-assigned this Jun 20, 2020
SuperSandro2000
SuperSandro2000 reviewed Nov 27, 2020
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pkgs/development/tools/godot/default.nix Outdated Show resolved Hide resolved
pkgs/development/tools/godot/default.nix Outdated Show resolved Hide resolved
pkgs/development/tools/godot/mono-deps.nix Outdated Show resolved Hide resolved
@SuperSandro2000
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Result of nixpkgs-review pr 88006 run on x86_64-linux 1

3 packages built:
  • godot
  • godot-headless
  • godot-server

@ofborg ofborg bot requested a review from yusdacra January 6, 2021 15:16
@lihop
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lihop commented Jan 6, 2021

Under 'Editor -> Editor Settings... -> Mono -> Builds' there are two options for building Godot mono projects:

  1. dotnet CLI (default)
  2. msbuild

This package currently works with 'msbuild' but I haven't been able to get it to work with 'dotnet CLI'.

When I manually build from source in a pure nix shell (nix-shell -E '(import <nixpkgs>{}).godot.override { withMono = true; }' --pure) I can get both to work, but when building with nix-build or nixos-rebuild I get the following error:

MSBUILD : error MSB1021: Cannot create an instance of the logger. Bad IL format.
Switch: GodotTools.BuildLogger.GodotBuildLogger,/nix/store/bryyihwav4xpjh9pfrr3wi4h0cwfcm28-godot-3.2.3/bin/GodotSharp/Tools/GodotTools.BuildLogger.dll;/home/leroy/.local/share/godot/mono/build_logs/ec2dfe320f37ca72e3b227f70b743849_Debug

I noticed some differences between the dll produced in the with nix-build and manually under nix-shell:
nix-build:

File Name                       : GodotTools.BuildLogger.dll
Directory                       : /nix/store/79wqr0kcka5d7y7mbbb2ga3h83xzjc7s-godot-3.2.3/bin/GodotSharp/Tools
File Permissions                : r--r--r--
Image File Characteristics      : Executable, No line numbers, No symbols, Large address aware, 32-bit, No debug, DLL
Linker Version                  : 2.31

nix-shell:

File Name                       : GodotTools.BuildLogger.dll
Directory                       : bin/GodotSharp/Tools
File Permissions                : rw-r--r--
Image File Characteristics      : Executable, Large address aware, DLL
Linker Version                  : 48.0

So, I am still working on this one.

@ofborg ofborg bot requested a review from yusdacra January 6, 2021 16:15
@lihop @SuperSandro2000
godot: add mono support
a6b1d20 
Co-authored-by: Sandro <sandro.jaeckel@gmail.com>
yusdacra
yusdacra suggested changes Jan 6, 2021
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pkgs/development/tools/godot/generate-mono-deps.sh
# Script to generate the mono-deps.nix file.
set -e

# Check for dotnet2nix.
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Instead of this can we enter a shell with dotnet2nix, so that the user doesn't need to install it manually?

@ofborg ofborg bot requested a review from yusdacra January 6, 2021 16:30
SuperSandro2000
SuperSandro2000 reviewed Jan 7, 2021
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pkgs/development/tools/godot/default.nix
monoGlueGenerator = godot.overrideAttrs (oldAttrs: rec {
sconsFlags = "target=release_debug platform=server tools=yes module_mono_enabled=yes mono_glue=no mono_static=yes mono_prefix=${mono}";
outputs = [ "out" ];
installPhase = "mkdir -p $out/bin && cp bin/* $out/bin";
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Suggested change
installPhase = "mkdir -p $out/bin && cp bin/* $out/bin";
installPhase = ''
mkdir -p $out/bin
cp bin/* $out/bin
'';

SuperSandro2000
SuperSandro2000 reviewed Jan 7, 2021
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pkgs/development/tools/godot/default.nix
${monoGlueGenerator}/bin/godot_server.x11.opt.tools.*.mono --generate-mono-glue modules/mono/glue

# Set a fake HOME for NuGet otherwise it gets denied permission trying to access "/homeless-shelter".
export HOME=$(pwd)/fake-home
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Suggested change
export HOME=$(pwd)/fake-home
export HOME=$TMP

SuperSandro2000
SuperSandro2000 reviewed Jan 7, 2021
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pkgs/development/tools/godot/generate-mono-deps.sh
#! /usr/bin/env nix-shell
#! nix-shell -i bash -p coreutils dotnet-sdk nix jq
# Script to generate the mono-deps.nix file.
set -e
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Suggested change
set -e
set -eo pipefail

SuperSandro2000
SuperSandro2000 reviewed Jan 7, 2021
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pkgs/development/tools/godot/generate-mono-deps.sh
{ fetchurl }:
[
EOF
for package in `jq -r '.[] | @base64' nugets.json`; do
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Suggested change
for package in `jq -r '.[] | @base64' nugets.json`; do
for package in $(jq -r '.[] | @base64' nugets.json); do

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stale bot commented Jul 8, 2021

I marked this as stale due to inactivity. → More info

@stale stale bot added the 2.status: stale https://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md label Jul 8, 2021
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lihop commented Aug 6, 2022

Closed in favor of #177578.

@lihop lihop closed this Aug 6, 2022
@lihop lihop deleted the godot-mono branch August 6, 2022 10:45
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