From ebe04700961ce4c82b7cd7452a20163da1e81a3d Mon Sep 17 00:00:00 2001
From: Russell Keith-Magee <russell@keith-magee.com>
Date: Thu, 16 Oct 2025 11:29:59 +0800
Subject: [PATCH] Add CI job to test iOS builds.

---
 .github/workflows/build.yml                   | 32 +++++++++++++++++++
 ...-10-16-11-30-53.gh-issue-140189.YCrUyt.rst |  1 +
 2 files changed, 33 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Build/2025-10-16-11-30-53.gh-issue-140189.YCrUyt.rst

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 625466151e3..ac1644a2b52 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -414,6 +414,36 @@ jobs:
       - name: Build and test
         run: ./Android/android.py ci --fast-ci ${{ matrix.arch }}-linux-android
 
+  build-ios:
+    name: iOS (${{ matrix.arch }})
+    needs: build-context
+    if: needs.build-context.outputs.run-tests == 'true'
+    timeout-minutes: 60
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - arch: aarch64
+            runs-on: macos-15
+
+    runs-on: ${{ matrix.runs-on }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      # GitHub recommends explicitly selecting the desired Xcode version:
+      # https://github.com/actions/runner-images/issues/12541#issuecomment-3083850140
+      # This became a necessity as a result of
+      # https://github.com/actions/runner-images/issues/12541 and
+      # https://github.com/actions/runner-images/issues/12751.
+      - name: Select Xcode version
+        run: |
+          sudo xcode-select --switch /Applications/Xcode_16.4.app
+
+      - name: Build and test
+        run: python3 Apple ci iOS --simulator 'iPhone 16e,OS=18.5'
+
   build-wasi:
     name: 'WASI'
     needs: build-context
@@ -723,6 +753,7 @@ jobs:
     - build-ubuntu-ssltests-awslc
     - build-ubuntu-ssltests-openssl
     - build-android
+    - build-ios
     - build-wasi
     - test-hypothesis
     - build-asan
@@ -759,6 +790,7 @@ jobs:
             build-ubuntu-ssltests-awslc,
             build-ubuntu-ssltests-openssl,
             build-android,
+            build-ios,
             build-wasi,
             test-hypothesis,
             build-asan,
diff --git a/Misc/NEWS.d/next/Build/2025-10-16-11-30-53.gh-issue-140189.YCrUyt.rst b/Misc/NEWS.d/next/Build/2025-10-16-11-30-53.gh-issue-140189.YCrUyt.rst
new file mode 100644
index 00000000000..a1b81659242
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2025-10-16-11-30-53.gh-issue-140189.YCrUyt.rst
@@ -0,0 +1 @@
+iOS builds were added to CI.