fix(nix): only load stdenv.cc.cc.lib on NixOS

On non-NixOS, launching any external process from Minecraft (e.g.
clicking on links) will fail due to a conflict between the system
libraries and the Nix stdenv.cc.cc.lib. This works around that issue by
only loading stdenv.cc.cc.lib on NixOS.

Signed-off-by: Vir Chaudhury <virchau13@hexular.net>
This commit is contained in:
Vir Chaudhury 2022-07-18 17:53:24 +08:00
parent 56085310cb
commit 6841ebc31d
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@ -34,7 +34,6 @@ let
libXxf86vm
libpulseaudio
libGL
stdenv.cc.cc.lib
];
# This variable will be passed to Minecraft by PolyMC
@ -68,10 +67,12 @@ stdenv.mkDerivation rec {
] ++ lib.optionals enableLTO [ "-DENABLE_LTO=on" ]
++ lib.optionals (msaClientID != "") [ "-DLauncher_MSA_CLIENT_ID=${msaClientID}" ];
# we have to check if the system is NixOS before adding stdenv.cc.cc.lib (#923)
postInstall = ''
# xorg.xrandr needed for LWJGL [2.9.2, 3) https://github.com/LWJGL/lwjgl/issues/128
wrapQtApp $out/bin/polymc \
--set GAME_LIBRARY_PATH ${gameLibraryPath} \
--run '[ -f /etc/NIXOS ] && export GAME_LIBRARY_PATH="${stdenv.cc.cc.lib}/lib"' \
--prefix GAME_LIBRARY_PATH : ${gameLibraryPath} \
--prefix POLYMC_JAVA_PATHS : ${javaPaths} \
--prefix PATH : ${lib.makeBinPath [ xorg.xrandr ]}
'';