mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-20 05:40:17 +08:00
Chris Tate
3f66c8e20b
- Remove C emission, debugging options, and automatic backend fallback. - Complete LLVM lowering and native bootstrap coverage across supported targets. - Link executables and libraries with precompiled C runtime packs, including iOS and Android.
41 lines
2.3 KiB
JavaScript
41 lines
2.3 KiB
JavaScript
import { execFileSync } from "node:child_process";
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import { existsSync } from "node:fs";
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import { join } from "node:path";
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/** SDKs are packaging inputs. Library consumers only need the resulting objects. */
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export function mobileRuntimeConfig(name, env = process.env, platform = process.platform) {
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const common = {
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libraryOnly: true,
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runtimeDefines: ["_GNU_SOURCE"],
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threadArgs: ["-pthread"],
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compileFlags: ["-ffunction-sections", "-fdata-sections"],
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systemLibraries: [{ name: "m", predicate: true }],
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};
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if (name === "ios-arm64" || name === "ios-simulator-arm64") {
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if (platform !== "darwin") throw new Error("iOS runtime packs must be built with Xcode on macOS");
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const simulator = name === "ios-simulator-arm64";
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const sdk = simulator ? "iphonesimulator" : "iphoneos";
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const triple = `arm64-apple-ios15.0.0${simulator ? "-simulator" : ""}`;
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const sysroot = execFileSync("xcrun", ["--sdk", sdk, "--show-sdk-path"], { encoding: "utf8", env }).trim();
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return {
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...common, platform: "darwin", compiler: "clang", archiver: "ar", compileFlags: [],
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target: { name, llvm_triple: triple, architecture: "arm64", object_format: "macho", minimum_os: "15.0" },
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targetArgs: ["-target", triple, "-isysroot", sysroot],
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systemLibraries: [{ name: "System", predicate: true }],
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};
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}
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if (name !== "android-arm64") throw new Error(`unsupported mobile runtime pack: ${name}`);
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const ndk = env.ANDROID_NDK_ROOT ?? env.ANDROID_NDK_HOME;
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if (!ndk) throw new Error("set ANDROID_NDK_ROOT to Android NDK 27 or newer to build the Android runtime pack");
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const host = platform === "darwin" ? "darwin-x86_64" : platform === "win32" ? "windows-x86_64" : "linux-x86_64";
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const toolchain = join(ndk, "toolchains", "llvm", "prebuilt", host);
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const compiler = join(toolchain, "bin", platform === "win32" ? "clang.exe" : "clang");
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if (!existsSync(compiler)) throw new Error(`Android NDK compiler is missing: ${compiler}`);
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return {
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...common, platform: "linux", compiler,
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archiver: join(toolchain, "bin", platform === "win32" ? "llvm-ar.exe" : "llvm-ar"),
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target: { name, llvm_triple: "aarch64-unknown-linux-android26", architecture: "arm64", object_format: "elf", minimum_os: "Android 26" },
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targetArgs: ["--target=aarch64-linux-android26", "--sysroot", join(toolchain, "sysroot")],
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};
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}
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