fix(ios): match official Qt simulator architecture and OS baseline

Author: sachk

.github/workflows/ios-review.yml

@@ -8,7 +8,7 @@ permissions:
 jobs:
   simulator:
     if: github.ref == 'refs/heads/feature/ios'
-    runs-on: macos-15
+    runs-on: macos-15-intel
     timeout-minutes: 90
     steps:
       - uses: actions/checkout@v4
@@ -30,7 +30,7 @@ jobs:
         shell: bash
         env:
           APPLE_SDK: iphonesimulator
-          APPLE_ARCH: arm64
+          APPLE_ARCH: x86_64
           BUILD_JOBS: '4'
         run: tools/build-ios.sh
       - name: Smoke native startup on simulator
@@ -39,10 +39,10 @@ jobs:
           device="$(xcrun simctl list devices available --json | python3 -c 'import json,sys; print(next(d["udid"] for ds in json.load(sys.stdin)["devices"].values() for d in ds if d["name"].startswith("iPhone")))')"
           xcrun simctl boot "$device"
           xcrun simctl bootstatus "$device" -b
-          bundle="build/apple/iphonesimulator-arm64/app/Release-iphonesimulator/Spool.app"
+          bundle="build/apple/iphonesimulator-x86_64/app/Release-iphonesimulator/Spool.app"
           xcrun simctl install "$device" "$bundle"
           xcrun simctl launch --console "$device" com.sachk.spool --launch-test
       - uses: actions/upload-artifact@v4
         with:
           name: ios-review-simulator
-          path: build/apple/iphonesimulator-arm64/app/Release-iphonesimulator/Spool.app
+          path: build/apple/iphonesimulator-x86_64/app/Release-iphonesimulator/Spool.app

README.md

@@ -468,7 +468,12 @@ or App Store-approved platform. Its native build requires macOS, Xcode and
 matching host/iOS Qt kits at the version in `tools/manifests/toolchain.json`.
 Set `QT_HOST_PATH` and `QT_TARGET_PREFIX`, then run `tools/build-ios.sh`.
 `APPLE_SDK=iphonesimulator` selects the simulator; the default is `iphoneos`.
-`APPLE_ARCH` selects `arm64` or simulator `x86_64`. The shared
+The device architecture defaults to `arm64`, the official Qt simulator kit to
+`x86_64`. Apple Silicon Macs require Rosetta for this simulator kit; the review
+workflow uses an Intel macOS runner. A custom source-built Qt kit can select
+`APPLE_ARCH=arm64` for the simulator. The deployment baseline is iOS 17,
+matching [Qt 6.11's supported configuration](https://doc.qt.io/qt-6.11/ios.html).
+The shared
 `tools/apple/build-dependencies.sh` verifies existing dependency pins and builds
 static FFmpeg, curl/OpenSSL, subtitle libraries, libplacebo, mpv and QCoro for
 the selected SDK. Qt and application code use OpenGL ES; no desktop AppKit,

tools/apple/build-dependencies.sh

@@ -6,7 +6,7 @@ source "$ROOT/tools/lib/manifest-sources.sh"
 APPLE_SYSTEM="${APPLE_SYSTEM:-iOS}"
 APPLE_SDK="${APPLE_SDK:-iphoneos}"
 APPLE_ARCH="${APPLE_ARCH:-arm64}"
-APPLE_DEPLOYMENT_TARGET="${APPLE_DEPLOYMENT_TARGET:-16.0}"
+APPLE_DEPLOYMENT_TARGET="${APPLE_DEPLOYMENT_TARGET:-17.0}"
 case "$APPLE_SYSTEM:$APPLE_SDK" in
   iOS:iphoneos) target_os=ios ;;
   iOS:iphonesimulator) target_os=ios; simulator=-simulator ;;

tools/build-ios.sh

@@ -6,8 +6,12 @@ ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 : "${QT_HOST_PATH:?Set QT_HOST_PATH to the matching macOS Qt kit}"
 export APPLE_SYSTEM=iOS
 export APPLE_SDK="${APPLE_SDK:-iphoneos}"
-export APPLE_ARCH="${APPLE_ARCH:-arm64}"
-export APPLE_DEPLOYMENT_TARGET="${APPLE_DEPLOYMENT_TARGET:-16.0}"
+if [[ "$APPLE_SDK" == iphonesimulator ]]; then
+  export APPLE_ARCH="${APPLE_ARCH:-x86_64}"
+else
+  export APPLE_ARCH="${APPLE_ARCH:-arm64}"
+fi
+export APPLE_DEPLOYMENT_TARGET="${APPLE_DEPLOYMENT_TARGET:-17.0}"
 BASE="$ROOT/build/apple/$APPLE_SDK-$APPLE_ARCH"
 export APPLE_DEPS_PREFIX="${APPLE_DEPS_PREFIX:-$BASE/prefix}"
 if [[ "${BUILD_DEPENDENCIES:-1}" == 1 ]]; then "$ROOT/tools/apple/build-dependencies.sh"; fi