[LW-10808] Fix *-darwin builds

nix/devshells.nix

@@ -47,6 +47,7 @@ let
       darwin.apple_sdk.frameworks.AppKit
       darwin.cctools
       xcbuild
+      perl
     ] else [
       internal.electronBin
       winePackages.minimal

nix/internal/any-darwin.nix

@@ -62,7 +62,7 @@ in rec {
     name = "daedalus-node_modules";
     src = srcLockfiles;
     nativeBuildInputs = [ yarn nodejs ]
-      ++ (with pkgs; [ python3 pkgconfig jq darwin.cctools xcbuild ]);
+      ++ (with pkgs; [ python3 perl pkgconfig jq darwin.cctools xcbuild ]);
     buildInputs = (with pkgs.darwin; [
       apple_sdk.frameworks.CoreServices
       apple_sdk.frameworks.AppKit
@@ -80,6 +80,8 @@ in rec {
 
       patchShebangs . >/dev/null  # a real lot of paths to patch, no need to litter logs
 
+      ${builtins.path { path = inputs.self + "/scripts/darwin-no-x-compile.sh"; }}
+
       # And now, with correct shebangs, run the install scripts (we have to do that
       # semi-manually, because another `yarn install` will overwrite those shebangs…):
       find node_modules -type f -name 'package.json' | sort | xargs grep -F '"install":' | cut -d: -f1 | while IFS= read -r dependency ; do
@@ -111,7 +113,7 @@ in rec {
     name = pname;
     src = srcWithoutNix;
     nativeBuildInputs = [ yarn nodejs daedalus-installer ]
-      ++ (with pkgs; [ python3 pkgconfig darwin.cctools xcbuild ]);
+      ++ (with pkgs; [ python3 perl pkgconfig darwin.cctools xcbuild ]);
     buildInputs = (with pkgs.darwin; [
       apple_sdk.frameworks.CoreServices
       apple_sdk.frameworks.AppKit

scripts/darwin-no-x-compile.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o pipefail
+
+# x86_64 cross-compilation won’t fly in this pure derivation:
+if [[ $system == *darwin* ]]; then
+  if [[ $system == *aarch64* ]] ; then
+    changeFrom="x86_64"
+    changeTo="arm64"
+  else
+    changeFrom="arm64"
+    changeTo="x86_64"
+  fi
+  find node_modules/ -type f '(' -name '*.gyp' -o -name '*.gypi' ')' \
+    | xargs grep -F "$changeFrom" | cut -d: -f1 | sort --unique \
+    | while IFS= read -r file
+  do
+    sed -r "s/$changeFrom/$changeTo/g" -i "$file"
+  done
+fi

scripts/rebuild-native-modules.sh

@@ -3,6 +3,8 @@
 set -o errexit
 set -o pipefail
 
+SCRIPT_DIR="$(cd "$(dirname "$0")"; pwd)"
+
 # XXX: From the very beginning we have problems with `*.node` native
 # extensions being built against Node.js ABI, and not
 # Electron’s. Let’s solve this once and for all.
@@ -20,22 +22,7 @@ nix run -L .#internal."${system:-x86_64-darwin}".common.patchElectronRebuild
 # XXX: Electron 24.2 requires c++17, not 14 (or old 1y):
 sed -r 's,std=c\+\+(14|1y),std=c++17,g' -i node_modules/usb/binding.gyp
 
-# x86_64 cross-compilation won’t fly in this pure derivation:
-if [[ $system == *darwin* ]]; then
-  if [[ $system == *aarch64* ]] ; then
-    changeFrom="x86_64"
-    changeTo="arm64"
-  else
-    changeFrom="arm64"
-    changeTo="x86_64"
-  fi
-  find node_modules/ -type f '(' -name '*.gyp' -o -name '*.gypi' ')' \
-    | xargs grep -F "$changeFrom" | cut -d: -f1 | sort --unique \
-    | while IFS= read -r file
-  do
-    sed -r "s/$changeFrom/$changeTo/g" -i "$file"
-  done
-fi
+"$SCRIPT_DIR"/darwin-no-x-compile.sh
 
 # TODO: do we really need to run `electron-rebuild` 3×?