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dotfiles/overlays/patches/abseil/default.nix
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overlays: consolidate Abseil BMI2 workaround under patches
Extract the header fix into a standalone patch and colocate the
Electron, Deno, and Signal overrides in patches/abseil. Preserve the
x86-64-v3 restriction and document the accepted upstream fix while
waiting for bundled dependency updates.

Import the Abseil overrides through the patches overlay and register
the torchcodec override. Leave PostgreSQL output checks in
x86-64-v3-workarounds.nix.
2026-09-18 13:11:04 -04:00

39 lines
1.2 KiB
Nix

# Abseil accepted the upstream fix: https://github.com/abseil/abseil-cpp/pull/2071
# Keep this workaround until Electron, Deno's rusty_v8, and Signal's WebRTC
# update their bundled Abseil copies to include it.
{ prev }:
let
patchAbseilBmi2Include =
package:
package.overrideAttrs (old: {
# GCC and Clang require the public umbrella header for BMI2 intrinsics.
patches = (old.patches or [ ]) ++ [ ./bmi2-public-header.patch ];
});
electron43Unwrapped = patchAbseilBmi2Include prev.electron_43.unwrapped;
electron43 = prev.electron_43.override {
electron-unwrapped = electron43Unwrapped;
};
signalCallPackage =
path: args:
let
package = prev.callPackage path args;
in
if builtins.baseNameOf path == "webrtc.nix" then patchAbseilBmi2Include package else package;
in
prev.lib.optionalAttrs ((prev.stdenv.hostPlatform.gcc.arch or null) == "x86-64-v3") {
deno =
let
librusty_v8 = patchAbseilBmi2Include prev.deno.passthru.librusty_v8;
in
prev.deno.override { inherit librusty_v8; };
electron_43 = electron43;
signal-desktop = prev.signal-desktop.override {
electron_43 = electron43;
callPackage = signalCallPackage;
};
}