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Extend iOS cross compile to all apple platforms #244

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de9b620
Extend iOS cross compile to all apple platforms
rauhul Mar 4, 2026
f76d00b
remove xcbeautify
rauhul Mar 4, 2026
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13 changes: 6 additions & 7 deletions .github/workflows/pull_request.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -74,17 +74,16 @@ jobs:
cd tests/TestPackage
xcrun swift build

build_tests_ios:
name: Build iOS Tests
build_tests_apple_cc:
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@stmontgomery stmontgomery Mar 5, 2026

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It took me a moment to realize "cc" here, and elsewhere in this PR, is referring to the term "cross compile". I worry that could be hard for people to understand out of context. (My mind even went to CC, as in the setting some build systems use to specify the C compiler.)

I wonder if a name which leans into the "Xcode-ness" of this style of building might be more clear? What about a name like xcodebuild_tests or xcode_test_build?

name: Build
uses: ./.github/workflows/swift_package_test.yml
with:
enable_linux_checks: false
enable_windows_checks: false
# iOS
enable_ios_checks: true
ios_build_command: |
cd tests/TestPackage
xcodebuild -quiet -scheme TestPackage-Package -destination "generic/platform=ios" build
# Apple CC
enable_apple_cc_checks: true
apple_cc_scheme: TestPackage-Package
apple_cc_pre_build_command: cd tests/TestPackage

soundness:
name: Soundness
Expand Down
77 changes: 44 additions & 33 deletions .github/workflows/swift_package_test.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -22,22 +22,26 @@ on:
type: string
description: "macOS arch list (JSON)"
default: "[\"ARM64\"]"
ios_host_xcode_versions:
apple_cc_xcode_versions:
type: string
description: "Xcode version list (JSON)"
description: "Xcode version list for Apple CC builds (JSON)"
default: null
ios_host_exclude_xcode_versions:
apple_cc_exclude_xcode_versions:
type: string
description: "Exclude Xcode version list (JSON)"
description: "Exclude Xcode version list for Apple CC builds (JSON)"
default: null
ios_host_versions:
apple_cc_macos_versions:
type: string
description: "iOS host (macOS) version list (JSON)"
description: "Apple CC host (macOS) version list (JSON)"
default: null
ios_host_archs:
apple_cc_macos_archs:
type: string
description: "iOS host (macOS) arch list (JSON)"
description: "Apple CC host (macOS) arch list (JSON)"
default: null
apple_cc_platforms:
type: string
description: "Apple CC target platforms as JSON array of objects with name and platform keys"
default: '[{"name": "iOS", "platform": "iOS"}, {"name": "tvOS", "platform": "tvOS"}, {"name": "visionOS", "platform": "xrOS"}, {"name": "watchOS", "platform": "watchOS"}]'
linux_swift_versions:
type: string
description: "Include Linux Swift version list (JSON)"
Expand Down Expand Up @@ -127,17 +131,21 @@ on:
type: number
description: "The default step timeout in minutes"
default: 60
ios_pre_build_command:
apple_cc_pre_build_command:
type: string
description: "macOS command to execute before the Apple CC build"
default: ""
apple_cc_scheme:
type: string
description: "macOS command to execute before building the Swift package for iOS"
description: "Xcode scheme to build for Apple CC targets"
default: ""
ios_build_command:
apple_cc_build_command:
type: string
description: "macOS command to build the package for iOS"
default: "\"$(xcrun -f swift)\" build --build-tests --sdk \"$(xcrun --sdk iphoneos --show-sdk-path)\" --triple arm64-apple-ios"
ios_build_timeout:
description: "macOS command to build the package for Apple CC targets"
default: "xcodebuild build-for-testing -scheme $APPLE_CC_SCHEME -destination generic/platform=$APPLE_CC_PLATFORM"
apple_cc_build_timeout:
type: number
description: "The default step timeout in minutes"
description: "The default step timeout in minutes for Apple CC builds"
default: 60
linux_build_command:
type: string
Expand Down Expand Up @@ -181,8 +189,8 @@ on:
macos_env_vars:
description: "Newline separated list of environment variables"
type: string
ios_host_env_vars:
description: "Newline separated list of environment variables"
apple_cc_env_vars:
description: "Newline separated list of environment variables for Apple CC builds"
type: string
linux_env_vars:
description: "Newline separated list of environment variables"
Expand Down Expand Up @@ -218,9 +226,9 @@ on:
type: boolean
description: "Boolean to enable macOS testing. Defaults to false"
default: false
enable_ios_checks:
enable_apple_cc_checks:
type: boolean
description: "Boolean to enable iOS testing. Defaults to false"
description: "Boolean to enable Apple cross-compilation builds. Defaults to false"
default: false
enable_windows_checks:
type: boolean
Expand Down Expand Up @@ -278,18 +286,19 @@ jobs:
run: ${{ inputs.macos_build_command }} ${{ (contains(matrix.swift_version, 'nightly') && inputs.swift_nightly_flags) || inputs.swift_flags }}
timeout-minutes: ${{ inputs.macos_build_timeout }}

ios-build:
name: iOS (Build Only, Xcode ${{ matrix.xcode_version }} - ${{ matrix.os_version }} - ${{ matrix.arch }})
if: ${{ inputs.enable_ios_checks }}
apple-cc-build:
name: ${{ matrix.os.name }} (Xcode ${{ matrix.xcode_version }} - ${{ matrix.os_version }} - ${{ matrix.arch }})
if: ${{ inputs.enable_apple_cc_checks }}
runs-on: [self-hosted, macos, "${{ matrix.os_version }}", "${{ matrix.arch }}"]
strategy:
fail-fast: false
matrix:
xcode_version: ${{ fromJson(inputs.ios_host_xcode_versions || inputs.macos_xcode_versions) }}
os_version: ${{ fromJson(inputs.ios_host_versions || inputs.macos_versions) }}
arch: ${{ fromJson(inputs.ios_host_archs || inputs.macos_archs) }}
xcode_version: ${{ fromJson(inputs.apple_cc_xcode_versions || inputs.macos_xcode_versions) }}
os_version: ${{ fromJson(inputs.apple_cc_macos_versions || inputs.macos_versions) }}
arch: ${{ fromJson(inputs.apple_cc_macos_archs || inputs.macos_archs) }}
os: ${{ fromJson(inputs.apple_cc_platforms) }}
exclude:
- ${{ fromJson(inputs.ios_host_exclude_xcode_versions || inputs.macos_exclude_xcode_versions) }}
- ${{ fromJson(inputs.apple_cc_exclude_xcode_versions || inputs.macos_exclude_xcode_versions) }}
steps:
- name: Checkout repository
uses: actions/checkout@v4
Expand All @@ -298,22 +307,24 @@ jobs:
run: |
echo "GITHUB_TOKEN=${{ secrets.GITHUB_TOKEN }}" >> $GITHUB_ENV
- name: Set environment variables
if: ${{ inputs.ios_host_env_vars }}
if: ${{ inputs.apple_cc_env_vars }}
run: |
for i in "${{ inputs.ios_host_env_vars }}"
for i in "${{ inputs.apple_cc_env_vars }}"
do
printf "%s\n" $i >> $GITHUB_ENV
done
- name: Select Xcode
run: echo "DEVELOPER_DIR=/Applications/Xcode_${{ matrix.xcode_version }}.app" >> $GITHUB_ENV
- name: Swift version
run: |
"$(xcrun -f swift)" --version
run: xcrun swift --version
- name: Pre-build
run: ${{ inputs.ios_pre_build_command }}
run: ${{ inputs.apple_cc_pre_build_command }}
- name: Build
run: ${{ inputs.ios_build_command }} ${{ (contains(matrix.swift_version, 'nightly') && inputs.swift_nightly_flags) || inputs.swift_flags }}
timeout-minutes: ${{ inputs.ios_build_timeout }}
env:
APPLE_CC_PLATFORM: ${{ matrix.os.platform }}
APPLE_CC_SCHEME: ${{ inputs.apple_cc_scheme }}
run: ${{ inputs.apple_cc_build_command }}
timeout-minutes: ${{ inputs.apple_cc_build_timeout }}

linux-build:
name: Linux (${{ matrix.swift_version }} - ${{ matrix.os_version }} - ${{ matrix.arch }})
Expand Down
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