feat(backend-native-cpu): iOS/macOS Kotlin/Native targets with embedded kernel archives (#959) - #962
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aharakal
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…ed kernel archives (#959) iosArm64 + iosSimulatorArm64 + macosArm64 join the module through the existing wireSkainetKernels cinterop/embedding seam (#941/#942). Three Apple CMake lanes (macOS host only; CMake first-class iOS support, no toolchain file) produce the Mach-O static archives — device: iphoneos SDK, min iOS 12.0; simulator: iphonesimulator SDK, min 14.0; macOS: arm64, min 11.0, static-only. No -march is passed: the #958 runtime FEAT_DotProd dispatch serves A12 through M-series from one archive. Archive-dir precedence mirrors the Linux pair: injected -PskainetKernelsIosArm64Dir / -PskainetKernelsIosSimulatorArm64Dir / -PskainetKernelsMacosArm64Dir > macOS-host heuristic > bindings-only with a loud cinterop warning. The shared nativeTest parity suites gain iosSimulatorArm64Test / macosArm64Test on macOS hosts; the multiarch macos-14 PR lane runs both. On non-macOS hosts the whole Apple task family is disabled — module build + root assemble verified green on Linux with the targets declared. Refs #920
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First of two PRs for #959 (iOS kernel track of #920). Stacked on #961 (the Apple dotprod dispatch — this PR's archives compile at baseline and need that dispatch to be correct on A12); the first commit here is #961's, and this becomes a one-commit diff once it merges.
What's new:
iosArm64(),iosSimulatorArm64(),macosArm64()wired through the existingwireSkainetKernelscinterop/embedding seam — zero changes to the seam itself. Source sets join the hand-wirednativeMain/nativeTest;NativeKnKernelProviderand the 7 parity suites need no code changes.onlyIfgated): device archive against theiphoneosSDK (min iOS 12.0), simulator againstiphonesimulator(min 14.0), macosArm64 plain arm64 (min 11.0,SKAINET_STATIC_ONLY— the FFM dylib still comes from the regular host build). Deployment minimums match K/N's, so the K/N link never warns. No-march: one device archive serves A12 (no dotprod) through A18/M-series via the perf(backend-native-cpu): runtime FEAT_DotProd dispatch for Apple arm64 Q4_K/Q6_K kernels (#958) #961 runtime dispatch.-PskainetKernelsIosArm64Dir/-PskainetKernelsIosSimulatorArm64Dir/-PskainetKernelsMacosArm64Dir(CI) > macOS-host heuristic (local dev) > bindings-only with the established loud cinterop warning.native-cpu-multiarch.ymlmacos-14 leg now runsmacosArm64Test(native on the M-series runner — dispatch fast arm) andiosSimulatorArm64Test(same parity suites in the simulator).Verified on a Linux host (the highest-risk item — Apple targets joining the commonized cinterop set):
:skainet-backend-native-cpu:buildand rootassemblegreen,compileKotlinIosArm64correctly SKIPPED, Linux K/N tests unaffected. The real archive build + simulator/native test execution is exercised by this PR's own macos-14 lane.Follow-up PR (same issue): publish.yml plumbing (build + upload + inject the three archives at release) and the kernel-support-matrix
native-cinteroptier.