mirror of
https://github.com/oven-sh/bun
synced 2026-02-02 15:08:46 +00:00
331 lines
14 KiB
Zig
331 lines
14 KiB
Zig
const std = @import("std");
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const resolve_path = @import("./src/resolver/resolve_path.zig");
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pub fn addPicoHTTP(step: *std.build.LibExeObjStep, comptime with_obj: bool) void {
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const picohttp = step.addPackage(.{
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.name = "picohttp",
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.path = .{ .path = "src/deps/picohttp.zig" },
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});
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step.addIncludeDir("src/deps");
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if (with_obj) {
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step.addObjectFile("src/deps/picohttpparser.o");
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}
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// step.add("/Users/jarred/Code/WebKit/WebKitBuild/Release/lib/libWTF.a");
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// ./Tools/Scripts/build-jsc --jsc-only --cmakeargs="-DENABLE_STATIC_JSC=ON"
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// set -gx ICU_INCLUDE_DIRS "/usr/local/opt/icu4c/include"
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// homebrew-provided icu4c
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}
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pub fn build(b: *std.build.Builder) void {
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// Standard target options allows the person running `zig build` to choose
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// what target to build for. Here we do not override the defaults, which
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// means any target is allowed, and the default is native. Other options
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// for restricting supported target set are available.
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const target = b.standardTargetOptions(.{});
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// Standard release options allow the person running `zig build` to select
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// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
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const mode = b.standardReleaseOptions();
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var cwd_buf: [std.fs.MAX_PATH_BYTES]u8 = undefined;
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const cwd: []const u8 = b.pathFromRoot(".");
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var exe: *std.build.LibExeObjStep = undefined;
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var output_dir_buf = std.mem.zeroes([4096]u8);
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var bin_label = if (mode == std.builtin.Mode.Debug) "/debug/" else "/";
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const output_dir = b.pathFromRoot(std.fmt.bufPrint(&output_dir_buf, "build{s}{s}-{s}", .{ bin_label, @tagName(target.getOs().tag), @tagName(target.getCpuArch()) }) catch unreachable);
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if (target.getOsTag() == .wasi) {
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exe.enable_wasmtime = true;
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exe = b.addExecutable("bun", "src/main_wasi.zig");
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exe.linkage = .dynamic;
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exe.setOutputDir(output_dir);
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} else if (target.getCpuArch().isWasm()) {
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// exe = b.addExecutable(
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// "bun",
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// "src/main_wasm.zig",
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// );
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// exe.is_linking_libc = false;
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// exe.is_dynamic = true;
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var lib = b.addExecutable("bun", "src/main_wasm.zig");
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lib.single_threaded = true;
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// exe.want_lto = true;
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// exe.linkLibrary(lib);
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if (mode == std.builtin.Mode.Debug) {
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// exception_handling
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var features = target.getCpuFeatures();
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features.addFeature(2);
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target.updateCpuFeatures(&features);
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} else {
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// lib.strip = true;
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}
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lib.setOutputDir(output_dir);
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lib.want_lto = true;
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b.install_path = lib.getOutputSource().getPath(b);
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std.debug.print("Build: ./{s}\n", .{b.install_path});
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b.default_step.dependOn(&lib.step);
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b.verbose_link = true;
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lib.setTarget(target);
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lib.setBuildMode(mode);
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std.fs.deleteTreeAbsolute(std.fs.path.join(b.allocator, &.{ cwd, lib.getOutputSource().getPath(b) }) catch unreachable) catch {};
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var install = b.getInstallStep();
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lib.strip = false;
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lib.install();
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const run_cmd = lib.run();
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run_cmd.step.dependOn(b.getInstallStep());
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if (b.args) |args| {
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run_cmd.addArgs(args);
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}
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const run_step = b.step("run", "Run the app");
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run_step.dependOn(&run_cmd.step);
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return;
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} else {
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exe = b.addExecutable("bun", "src/main.zig");
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}
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// exe.setLibCFile("libc.txt");
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exe.linkLibC();
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// exe.linkLibCpp();
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exe.addPackage(.{
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.name = "clap",
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.path = .{ .path = "src/deps/zig-clap/clap.zig" },
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});
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exe.setOutputDir(output_dir);
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var cwd_dir = std.fs.cwd();
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if (std.builtin.is_test) {
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var walker = cwd_dir.walk(std.heap.c_allocator) catch unreachable;
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while (walker.next() catch unreachable) |entry| {
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if (std.mem.endsWith(u8, entry.basename, "_test.zig")) {
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std.debug.print("[test] Added {s}", .{entry.basename});
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_ = b.addTest(entry.path);
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}
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}
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}
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const runtime_hash = std.hash.Wyhash.hash(0, @embedFile("./src/runtime.out.js"));
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const runtime_version_file = std.fs.cwd().openFile("src/runtime.version", .{ .write = true }) catch unreachable;
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runtime_version_file.writer().print("{x}", .{runtime_hash}) catch unreachable;
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defer runtime_version_file.close();
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exe.setTarget(target);
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exe.setBuildMode(mode);
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b.install_path = output_dir;
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var javascript = b.addExecutable("spjs", "src/main_javascript.zig");
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var typings_exe = b.addExecutable("typescript-decls", "src/javascript/jsc/typescript.zig");
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javascript.setMainPkgPath(b.pathFromRoot("."));
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typings_exe.setMainPkgPath(b.pathFromRoot("."));
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exe.setMainPkgPath(b.pathFromRoot("."));
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// exe.want_lto = true;
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if (!target.getCpuArch().isWasm()) {
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b.default_step.dependOn(&exe.step);
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const bindings_dir = std.fs.path.join(
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b.allocator,
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&.{
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cwd,
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"src",
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"javascript",
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"jsc",
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"bindings-obj",
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},
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) catch unreachable;
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var bindings_dir_ = cwd_dir.openDir(bindings_dir, .{ .iterate = true }) catch unreachable;
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var bindings_walker = bindings_dir_.walk(b.allocator) catch unreachable;
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var bindings_files = std.ArrayList([]const u8).init(b.allocator);
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while (bindings_walker.next() catch unreachable) |entry| {
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if (std.mem.eql(u8, std.fs.path.extension(entry.basename), ".o")) {
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bindings_files.append(bindings_dir_.realpathAlloc(b.allocator, entry.path) catch unreachable) catch unreachable;
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}
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}
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// // References:
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// // - https://github.com/mceSystems/node-jsc/blob/master/deps/jscshim/webkit.gyp
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// // - https://github.com/mceSystems/node-jsc/blob/master/deps/jscshim/docs/webkit_fork_and_compilation.md#webkit-port-and-compilation
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// const flags = [_][]const u8{
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// "-Isrc/JavaScript/jsc/WebKit/WebKitBuild/Release/JavaScriptCore/PrivateHeaders",
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// "-Isrc/JavaScript/jsc/WebKit/WebKitBuild/Release/WTF/Headers",
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// "-Isrc/javascript/jsc/WebKit/WebKitBuild/Release/ICU/Headers",
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// "-DSTATICALLY_LINKED_WITH_JavaScriptCore=1",
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// "-DSTATICALLY_LINKED_WITH_WTF=1",
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// "-DBUILDING_WITH_CMAKE=1",
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// "-DNOMINMAX",
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// "-DENABLE_INSPECTOR_ALTERNATE_DISPATCHERS=0",
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// "-DBUILDING_JSCONLY__",
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// "-DASSERT_ENABLED=0", // missing symbol errors like this will happen "JSC::DFG::DoesGCCheck::verifyCanGC(JSC::VM&)"
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// "-Isrc/JavaScript/jsc/WebKit/WebKitBuild/Release/", // config.h,
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// "-Isrc/JavaScript/jsc/bindings/",
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// "-Isrc/javascript/jsc/WebKit/Source/bmalloc",
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// "-std=gnu++17",
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// if (target.getOsTag() == .macos) "-DUSE_FOUNDATION=1" else "",
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// if (target.getOsTag() == .macos) "-DUSE_CF_RETAIN_PTR=1" else "",
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// };
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const headers_step = b.step("headers", "JSC headers");
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var headers_exec: *std.build.LibExeObjStep = b.addExecutable("headers", "src/javascript/jsc/bindings/bindings-generator.zig");
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var headers_runner = headers_exec.run();
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headers_exec.setMainPkgPath(javascript.main_pkg_path.?);
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headers_step.dependOn(&headers_runner.step);
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var translate_c: *std.build.TranslateCStep = b.addTranslateC(.{ .path = b.pathFromRoot("src/javascript/jsc/bindings/headers.h") });
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translate_c.out_basename = "headers";
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translate_c.output_dir = b.pathFromRoot("src/javascript/jsc/bindings/");
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headers_step.dependOn(&translate_c.step);
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headers_zig_file = b.pathFromRoot("src/javascript/jsc/bindings/headers.zig");
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original_make_fn = headers_step.makeFn;
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headers_step.makeFn = HeadersMaker.make;
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b.default_step.dependOn(&exe.step);
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var steps = [_]*std.build.LibExeObjStep{ exe, javascript, typings_exe, headers_exec };
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for (steps) |step, i| {
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step.linkLibC();
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step.linkLibCpp();
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addPicoHTTP(
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step,
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true,
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);
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step.addObjectFile("src/deps/libJavaScriptCore.a");
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step.addObjectFile("src/deps/libWTF.a");
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step.addObjectFile("src/deps/libbmalloc.a");
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// We must link ICU statically
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step.addObjectFile("/usr/local/opt/icu4c/lib/libicudata.a");
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step.addObjectFile("/usr/local/opt/icu4c/lib/libicui18n.a");
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step.addObjectFile("/usr/local/opt/icu4c/lib/libicuuc.a");
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if (target.getOsTag() == .macos) {
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// icucore is a weird macOS only library
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step.linkSystemLibrary("icucore");
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step.addLibPath("/usr/local/opt/icu4c/lib");
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step.addIncludeDir("/usr/local/opt/icu4c/include");
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}
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for (bindings_files.items) |binding| {
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step.addObjectFile(
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binding,
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);
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}
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}
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var obj_step = b.step("obj", "Build Bun as a .o file");
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var obj = b.addObject("bun", exe.root_src.?.path);
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obj.bundle_compiler_rt = true;
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addPicoHTTP(obj, false);
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obj.addPackage(.{
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.name = "clap",
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.path = .{ .path = "src/deps/zig-clap/clap.zig" },
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});
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obj_step.dependOn(&obj.step);
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obj.setOutputDir(output_dir);
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obj.setBuildMode(mode);
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} else {
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b.default_step.dependOn(&exe.step);
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}
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javascript.strip = false;
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javascript.packages = std.ArrayList(std.build.Pkg).fromOwnedSlice(b.allocator, b.allocator.dupe(std.build.Pkg, exe.packages.items) catch unreachable);
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javascript.setOutputDir(output_dir);
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javascript.setBuildMode(mode);
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const run_cmd = exe.run();
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run_cmd.step.dependOn(b.getInstallStep());
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if (b.args) |args| {
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run_cmd.addArgs(args);
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}
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const run_step = b.step("run", "Run the app");
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run_step.dependOn(&run_cmd.step);
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var log_step = b.addLog("Destination: {s}/{s}\n", .{ output_dir, "bun" });
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log_step.step.dependOn(&exe.step);
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var typings_cmd: *std.build.RunStep = typings_exe.run();
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typings_cmd.cwd = cwd;
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typings_cmd.addArg(cwd);
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typings_cmd.addArg("types");
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typings_cmd.step.dependOn(&typings_exe.step);
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typings_exe.linkLibC();
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typings_exe.linkLibCpp();
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typings_exe.setMainPkgPath(cwd);
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var typings_step = b.step("types", "Build TypeScript types");
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typings_step.dependOn(&typings_cmd.step);
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var javascript_cmd = b.step("spjs", "Build standalone JavaScript runtime. Must run \"make jsc\" first.");
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javascript_cmd.dependOn(&javascript.step);
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}
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pub var original_make_fn: ?fn (step: *std.build.Step) anyerror!void = null;
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pub var headers_zig_file: ?[]const u8 = null;
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const HeadersMaker = struct {
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pub fn make(self: *std.build.Step) anyerror!void {
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try original_make_fn.?(self);
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var headers_zig: std.fs.File = try std.fs.openFileAbsolute(headers_zig_file.?, .{ .write = true });
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var contents = try headers_zig.readToEndAlloc(std.heap.page_allocator, headers_zig.getEndPos() catch unreachable);
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const last_extern_i = std.mem.lastIndexOf(u8, contents, "pub extern fn") orelse @panic("Expected contents");
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const last_newline = std.mem.indexOf(u8, contents[last_extern_i..], "\n") orelse @panic("Expected newline");
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const to_splice = "usingnamespace @import(\"./headers-replacements.zig\");\n";
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var new_contents = try std.heap.page_allocator.alloc(u8, contents.len + to_splice.len);
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std.mem.copy(u8, new_contents, to_splice);
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std.mem.copy(u8, new_contents[to_splice.len..], contents);
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var i: usize = to_splice.len;
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var remainder = new_contents[i..];
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while (remainder.len > 0) {
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i = std.mem.indexOf(u8, remainder, "\npub const struct_b") orelse break + "\npub const struct_b".len;
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var begin = remainder[i..];
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const end_line = std.mem.indexOf(u8, begin, "extern struct {") orelse break;
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const end_struct = std.mem.indexOf(u8, begin, "\n};\n") orelse break + "\n};\n".len;
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std.mem.set(u8, begin[1 .. end_struct + 3], ' ');
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remainder = begin[end_struct..];
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}
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i = to_splice.len;
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remainder = new_contents[i..];
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while (remainder.len > 0) {
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i = std.mem.indexOf(u8, remainder, "\npub const struct_") orelse break + "\npub const struct_".len;
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var begin = remainder[i..];
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var end_struct = std.mem.indexOf(u8, begin, "opaque {};") orelse break;
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end_struct += std.mem.indexOf(u8, begin[end_struct..], "\n") orelse break;
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i = 0;
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std.mem.set(u8, begin[1..end_struct], ' ');
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remainder = begin[end_struct..];
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}
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const HARDCODE = [_][]const u8{
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"[*c][*c]JSC__Exception",
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"*?*JSC__Exception ",
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"[*c]?*c_void",
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"[*c]*c_void",
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};
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i = 0;
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while (i < HARDCODE.len) : (i += 2) {
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_ = std.mem.replace(u8, new_contents, HARDCODE[i], HARDCODE[i + 1], new_contents);
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}
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const js_value_start = std.mem.indexOf(u8, new_contents, "pub const JSC__JSValue") orelse unreachable;
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const js_value_end = std.mem.indexOf(u8, new_contents[js_value_start..], "\n") orelse unreachable;
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std.mem.set(u8, new_contents[js_value_start..][0..js_value_end], ' ');
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try headers_zig.seekTo(0);
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try headers_zig.writeAll(new_contents);
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try headers_zig.setEndPos(last_newline + last_extern_i + to_splice.len);
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}
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};
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