32 lines
1.2 KiB
Nix
32 lines
1.2 KiB
Nix
{ ... }:
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res: pkgs: super:
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with pkgs; {
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meson = callPackage ./. { };
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# while building documentation meson may want to run binaries for host
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# which needs an emulator
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# example of an error which this fixes
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# [Errno 8] Exec format error: './gdk3-scan'
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mesonEmulatorHook = makeSetupHook {
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name = "mesonEmulatorHook";
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substitutions = {
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crossFile = writeText "cross-file.conf" ''
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[binaries]
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exe_wrapper = ${
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lib.escapeShellArg (stdenv.targetPlatform.emulator pkgs)
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}
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'';
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};
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}
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# The throw is moved into the `makeSetupHook` derivation, so that its
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# outer level, but not its outPath can still be evaluated if the condition
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# doesn't hold. This ensures that splicing still can work correctly.
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(if (!stdenv.hostPlatform.canExecute stdenv.targetPlatform) then
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../by-name/me/meson/emulator-hook.sh
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else
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throw
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"mesonEmulatorHook may only be added to nativeBuildInputs when the target binaries can't be executed; however you are attempting to use it in a situation where ${stdenv.hostPlatform.config} can execute ${stdenv.targetPlatform.config}. Consider only adding mesonEmulatorHook according to a conditional based canExecute in your package expression.");
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}
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