feat: add iOS cross-compilation targets for barretenberg-rs static libraries#20106
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johnathan79717 merged 15 commits intomerge-train/barretenbergfrom Feb 4, 2026
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we should make a workflow that runs with the mac runners to test this |
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I recycled publish-bb-mac.yml for this. |
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- Package barretenberg-static-amd64-darwin.tar.gz and barretenberg-static-arm64-darwin.tar.gz in release - Update build.rs to support macOS targets (x86_64-apple-darwin, aarch64-apple-darwin) - Use libc++ instead of libstdc++ on macOS - Update README with new supported targets
- Add ios.toolchain.cmake from leetal/ios-cmake project - Add iOS presets (ios-arm64, ios-sim-arm64) to CMakePresets.json - Add build_ios function to bootstrap.sh for macOS runners - Add iOS packaging to build_release_dir - Update build.rs to support iOS targets (aarch64-apple-ios, aarch64-apple-ios-sim) - Update README with iOS supported targets
- Re-enable tag trigger for v* releases - Replace macOS bb builds with iOS static library builds - Build ios-arm64 (device) and ios-sim-arm64 (simulator) presets - Package and upload barretenberg-static-arm64-ios.tar.gz artifacts
LMDB's ExternalProject_Add doesn't inherit iOS toolchain flags, causing build failures. Add MOBILE option to exclude LMDB, world_state, vm2, ipc, and nodejs_module for mobile builds.
- Update iOS deployment target from 14.0 to 16.3 for std::format support - Fix CMake 4.0 compatibility: replace deprecated PATH with DIRECTORY in ios.toolchain.cmake - Add MOBILE flag check to exclude lmdb_repo dependencies on iOS builds - Fix missing field initializers for strict compiler warnings (-Wmissing-field-initializers): - AcirProgram witness field in multiple files - ShpleminiVerifierOutput consistency_checked field - Replace variable-length arrays with std::vector for C++ compliance: - keccak.cpp: input_buffer - polynomial_arithmetic.cpp: numerator_polynomial, roots_and_denominators, temp_src, temp_dest - Fix iOS-specific includes: use unistd.h with extern getentropy declaration on iOS These changes enable building the bb-external static library target for iOS arm64 devices with CMake 4.0 and Xcode 26.2 on macOS.
The -Wdeprecated-literal-operator warning is only available in Clang 18+. Apple Clang doesn't support it, so add -Wunknown-warning-option first.
Adds a build-bb-ios job that runs when ci-barretenberg or ci-barretenberg-full labels are present. This cross-compiles bb-external for iOS devices (ios-arm64) and simulators (ios-sim-arm64) to catch iOS build issues before release. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
- Add download support for amd64-darwin, arm64-darwin, arm64-ios, arm64-ios-sim - Fix C++ stdlib linking: use c++ for Apple targets, stdc++ for Linux 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
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Flakey Tests🤖 says: This CI run detected 1 tests that failed, but were tolerated due to a .test_patterns.yml entry. |
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Summary
Adds iOS cross-compilation support for the barretenberg-rs FFI backend:
ios.toolchain.cmakefrom leetal/ios-cmake project for iOS cross-compilationios-arm64for device,ios-sim-arm64for simulator)build_iosfunction to bootstrap.sh for macOS runnersbuild_release_dirbuild.rsto support iOS targets (aarch64-apple-ios,aarch64-apple-ios-sim)publish-bb-mac.ymlworkflow to build and release iOS static libraries on tag pushSupported iOS Targets
aarch64-apple-ios- iOS device (arm64)aarch64-apple-ios-sim- iOS Simulator on Apple Silicon MacsHow it works
iOS builds cannot be cross-compiled from Linux (requires Xcode/iOS SDK). The
publish-bb-mac.ymlworkflow:v*tag push (includingci-release-prtest tags)macos-14runner with Xcodebb-externaltarget for both iOS presetsbarretenberg-static-arm64-ios.tar.gzandbarretenberg-static-arm64-ios-sim.tar.gzto GitHub releaseThe main Linux release (ci3.yml) handles Linux and macOS (via zig cross-compile). iOS is handled separately by this workflow.
Notes
iOS builds are configured to:
Test plan
ci-release-prlabel to trigger test releasepublish-bb-mac.ymlworkflow runs on macOS runnerbarretenberg-static-arm64-ios.tar.gzandbarretenberg-static-arm64-ios-sim.tar.gzare uploaded to the test release