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zig/build.zig
Andrew Kelley a3a8a266ef add missing clang and llvm library listings
2024-09-19 18:20:21 -07:00

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const std = @import("std");
const builtin = std.builtin;
const tests = @import("test/tests.zig");
const BufMap = std.BufMap;
const mem = std.mem;
const ArrayList = std.ArrayList;
const io = std.io;
const fs = std.fs;
const InstallDirectoryOptions = std.Build.InstallDirectoryOptions;
const assert = std.debug.assert;
const DevEnv = @import("src/dev.zig").Env;
const zig_version: std.SemanticVersion = .{ .major = 0, .minor = 14, .patch = 0 };
const stack_size = 32 * 1024 * 1024;
pub fn build(b: *std.Build) !void {
const only_c = b.option(bool, "only-c", "Translate the Zig compiler to C code, with only the C backend enabled") orelse false;
const target = t: {
var default_target: std.Target.Query = .{};
default_target.ofmt = b.option(std.Target.ObjectFormat, "ofmt", "Object format to target") orelse if (only_c) .c else null;
break :t b.standardTargetOptions(.{ .default_target = default_target });
};
const optimize = b.standardOptimizeOption(.{});
const flat = b.option(bool, "flat", "Put files into the installation prefix in a manner suited for upstream distribution rather than a posix file system hierarchy standard") orelse false;
const single_threaded = b.option(bool, "single-threaded", "Build artifacts that run in single threaded mode");
const use_zig_libcxx = b.option(bool, "use-zig-libcxx", "If libc++ is needed, use zig's bundled version, don't try to integrate with the system") orelse false;
const test_step = b.step("test", "Run all the tests");
const skip_install_lib_files = b.option(bool, "no-lib", "skip copying of lib/ files and langref to installation prefix. Useful for development") orelse false;
const skip_install_langref = b.option(bool, "no-langref", "skip copying of langref to the installation prefix") orelse skip_install_lib_files;
const std_docs = b.option(bool, "std-docs", "include standard library autodocs") orelse false;
const no_bin = b.option(bool, "no-bin", "skip emitting compiler binary") orelse false;
const enable_tidy = b.option(bool, "enable-tidy", "Check langref output HTML validity") orelse false;
const langref_file = generateLangRef(b);
const install_langref = b.addInstallFileWithDir(langref_file, .prefix, "doc/langref.html");
const check_langref = tidyCheck(b, langref_file);
if (enable_tidy) install_langref.step.dependOn(check_langref);
// Checking autodocs is disabled because tidy gives a false positive:
// line 304 column 9 - Warning: moved <style> tag to <head>! fix-style-tags: no to avoid.
// I noticed that `--show-warnings no` still incorrectly causes exit code 1.
// I was unable to find an alternative to tidy.
//const check_autodocs = tidyCheck(b, b.path("lib/docs/index.html"));
if (enable_tidy) {
test_step.dependOn(check_langref);
//test_step.dependOn(check_autodocs);
}
if (!skip_install_langref) {
b.getInstallStep().dependOn(&install_langref.step);
}
const autodoc_test = b.addObject(.{
.name = "std",
.root_source_file = b.path("lib/std/std.zig"),
.target = target,
.zig_lib_dir = b.path("lib"),
.optimize = .Debug,
});
const install_std_docs = b.addInstallDirectory(.{
.source_dir = autodoc_test.getEmittedDocs(),
.install_dir = .prefix,
.install_subdir = "doc/std",
});
//if (enable_tidy) install_std_docs.step.dependOn(check_autodocs);
if (std_docs) {
b.getInstallStep().dependOn(&install_std_docs.step);
}
if (flat) {
b.installFile("LICENSE", "LICENSE");
b.installFile("README.md", "README.md");
}
const langref_step = b.step("langref", "Build and install the language reference");
langref_step.dependOn(&install_langref.step);
const std_docs_step = b.step("std-docs", "Build and install the standard library documentation");
std_docs_step.dependOn(&install_std_docs.step);
const docs_step = b.step("docs", "Build and install documentation");
docs_step.dependOn(langref_step);
docs_step.dependOn(std_docs_step);
const skip_debug = b.option(bool, "skip-debug", "Main test suite skips debug builds") orelse false;
const skip_release = b.option(bool, "skip-release", "Main test suite skips release builds") orelse false;
const skip_release_small = b.option(bool, "skip-release-small", "Main test suite skips release-small builds") orelse skip_release;
const skip_release_fast = b.option(bool, "skip-release-fast", "Main test suite skips release-fast builds") orelse skip_release;
const skip_release_safe = b.option(bool, "skip-release-safe", "Main test suite skips release-safe builds") orelse skip_release;
const skip_non_native = b.option(bool, "skip-non-native", "Main test suite skips non-native builds") orelse false;
const skip_libc = b.option(bool, "skip-libc", "Main test suite skips tests that link libc") orelse false;
const skip_single_threaded = b.option(bool, "skip-single-threaded", "Main test suite skips tests that are single-threaded") orelse false;
const skip_translate_c = b.option(bool, "skip-translate-c", "Main test suite skips translate-c tests") orelse false;
const skip_run_translated_c = b.option(bool, "skip-run-translated-c", "Main test suite skips run-translated-c tests") orelse false;
const only_install_lib_files = b.option(bool, "lib-files-only", "Only install library files") orelse false;
const static_llvm = b.option(bool, "static-llvm", "Disable integration with system-installed LLVM, Clang, LLD, and libc++") orelse false;
const enable_llvm = b.option(bool, "enable-llvm", "Build self-hosted compiler with LLVM backend enabled") orelse static_llvm;
const llvm_has_m68k = b.option(
bool,
"llvm-has-m68k",
"Whether LLVM has the experimental target m68k enabled",
) orelse false;
const llvm_has_csky = b.option(
bool,
"llvm-has-csky",
"Whether LLVM has the experimental target csky enabled",
) orelse false;
const llvm_has_arc = b.option(
bool,
"llvm-has-arc",
"Whether LLVM has the experimental target arc enabled",
) orelse false;
const llvm_has_xtensa = b.option(
bool,
"llvm-has-xtensa",
"Whether LLVM has the experimental target xtensa enabled",
) orelse false;
const enable_ios_sdk = b.option(bool, "enable-ios-sdk", "Run tests requiring presence of iOS SDK and frameworks") orelse false;
const enable_macos_sdk = b.option(bool, "enable-macos-sdk", "Run tests requiring presence of macOS SDK and frameworks") orelse enable_ios_sdk;
const enable_symlinks_windows = b.option(bool, "enable-symlinks-windows", "Run tests requiring presence of symlinks on Windows") orelse false;
const config_h_path_option = b.option([]const u8, "config_h", "Path to the generated config.h");
if (!skip_install_lib_files) {
b.installDirectory(.{
.source_dir = b.path("lib"),
.install_dir = if (flat) .prefix else .lib,
.install_subdir = if (flat) "lib" else "zig",
.exclude_extensions = &[_][]const u8{
// exclude files from lib/std/compress/testdata
".gz",
".z.0",
".z.9",
".zst.3",
".zst.19",
"rfc1951.txt",
"rfc1952.txt",
"rfc8478.txt",
// exclude files from lib/std/compress/flate/testdata
".expect",
".expect-noinput",
".golden",
".input",
"compress-e.txt",
"compress-gettysburg.txt",
"compress-pi.txt",
"rfc1951.txt",
// exclude files from lib/std/compress/lzma/testdata
".lzma",
// exclude files from lib/std/compress/xz/testdata
".xz",
// exclude files from lib/std/tz/
".tzif",
// exclude files from lib/std/tar/testdata
".tar",
// others
"README.md",
},
.blank_extensions = &[_][]const u8{
"test.zig",
},
});
}
if (only_install_lib_files)
return;
const entitlements = b.option([]const u8, "entitlements", "Path to entitlements file for hot-code swapping without sudo on macOS");
const tracy = b.option([]const u8, "tracy", "Enable Tracy integration. Supply path to Tracy source");
const tracy_callstack = b.option(bool, "tracy-callstack", "Include callstack information with Tracy data. Does nothing if -Dtracy is not provided") orelse (tracy != null);
const tracy_allocation = b.option(bool, "tracy-allocation", "Include allocation information with Tracy data. Does nothing if -Dtracy is not provided") orelse (tracy != null);
const force_gpa = b.option(bool, "force-gpa", "Force the compiler to use GeneralPurposeAllocator") orelse false;
const link_libc = b.option(bool, "force-link-libc", "Force self-hosted compiler to link libc") orelse (enable_llvm or only_c);
const sanitize_thread = b.option(bool, "sanitize-thread", "Enable thread-sanitization") orelse false;
const strip = b.option(bool, "strip", "Omit debug information");
const valgrind = b.option(bool, "valgrind", "Enable valgrind integration");
const pie = b.option(bool, "pie", "Produce a Position Independent Executable");
const value_tracing = b.option(bool, "value-tracing", "Enable extra state tracking to help troubleshoot bugs in the compiler (using the std.debug.Trace API)") orelse false;
const mem_leak_frames: u32 = b.option(u32, "mem-leak-frames", "How many stack frames to print when a memory leak occurs. Tests get 2x this amount.") orelse blk: {
if (strip == true) break :blk @as(u32, 0);
if (optimize != .Debug) break :blk 0;
break :blk 4;
};
const exe = addCompilerStep(b, .{
.optimize = optimize,
.target = target,
.strip = strip,
.valgrind = valgrind,
.sanitize_thread = sanitize_thread,
.single_threaded = single_threaded,
});
exe.pie = pie;
exe.entitlements = entitlements;
exe.build_id = b.option(
std.zig.BuildId,
"build-id",
"Request creation of '.note.gnu.build-id' section",
);
if (no_bin) {
b.getInstallStep().dependOn(&exe.step);
} else {
const install_exe = b.addInstallArtifact(exe, .{
.dest_dir = if (flat) .{ .override = .prefix } else .default,
});
b.getInstallStep().dependOn(&install_exe.step);
}
test_step.dependOn(&exe.step);
if (target.result.os.tag == .windows and target.result.abi == .gnu) {
// LTO is currently broken on mingw, this can be removed when it's fixed.
exe.want_lto = false;
}
const use_llvm = b.option(bool, "use-llvm", "Use the llvm backend");
exe.use_llvm = use_llvm;
exe.use_lld = use_llvm;
const exe_options = b.addOptions();
exe.root_module.addOptions("build_options", exe_options);
exe_options.addOption(u32, "mem_leak_frames", mem_leak_frames);
exe_options.addOption(bool, "skip_non_native", skip_non_native);
exe_options.addOption(bool, "have_llvm", enable_llvm);
exe_options.addOption(bool, "llvm_has_m68k", llvm_has_m68k);
exe_options.addOption(bool, "llvm_has_csky", llvm_has_csky);
exe_options.addOption(bool, "llvm_has_arc", llvm_has_arc);
exe_options.addOption(bool, "llvm_has_xtensa", llvm_has_xtensa);
exe_options.addOption(bool, "force_gpa", force_gpa);
exe_options.addOption(DevEnv, "dev", b.option(DevEnv, "dev", "Build a compiler with a reduced feature set for development of specific features") orelse if (only_c) .bootstrap else .full);
if (link_libc) {
exe.linkLibC();
}
const is_debug = optimize == .Debug;
const enable_debug_extensions = b.option(bool, "debug-extensions", "Enable commands and options useful for debugging the compiler") orelse is_debug;
const enable_logging = b.option(bool, "log", "Enable debug logging with --debug-log") orelse is_debug;
const enable_link_snapshots = b.option(bool, "link-snapshot", "Whether to enable linker state snapshots") orelse false;
const opt_version_string = b.option([]const u8, "version-string", "Override Zig version string. Default is to find out with git.");
const version_slice = if (opt_version_string) |version| version else v: {
if (!std.process.can_spawn) {
std.debug.print("error: version info cannot be retrieved from git. Zig version must be provided using -Dversion-string\n", .{});
std.process.exit(1);
}
const version_string = b.fmt("{d}.{d}.{d}", .{ zig_version.major, zig_version.minor, zig_version.patch });
var code: u8 = undefined;
const git_describe_untrimmed = b.runAllowFail(&[_][]const u8{
"git",
"-C",
b.build_root.path orelse ".",
"describe",
"--match",
"*.*.*",
"--tags",
"--abbrev=9",
}, &code, .Ignore) catch {
break :v version_string;
};
const git_describe = mem.trim(u8, git_describe_untrimmed, " \n\r");
switch (mem.count(u8, git_describe, "-")) {
0 => {
// Tagged release version (e.g. 0.10.0).
if (!mem.eql(u8, git_describe, version_string)) {
std.debug.print("Zig version '{s}' does not match Git tag '{s}'\n", .{ version_string, git_describe });
std.process.exit(1);
}
break :v version_string;
},
2 => {
// Untagged development build (e.g. 0.10.0-dev.2025+ecf0050a9).
var it = mem.splitScalar(u8, git_describe, '-');
const tagged_ancestor = it.first();
const commit_height = it.next().?;
const commit_id = it.next().?;
const ancestor_ver = try std.SemanticVersion.parse(tagged_ancestor);
if (zig_version.order(ancestor_ver) != .gt) {
std.debug.print("Zig version '{}' must be greater than tagged ancestor '{}'\n", .{ zig_version, ancestor_ver });
std.process.exit(1);
}
// Check that the commit hash is prefixed with a 'g' (a Git convention).
if (commit_id.len < 1 or commit_id[0] != 'g') {
std.debug.print("Unexpected `git describe` output: {s}\n", .{git_describe});
break :v version_string;
}
// The version is reformatted in accordance with the https://semver.org specification.
break :v b.fmt("{s}-dev.{s}+{s}", .{ version_string, commit_height, commit_id[1..] });
},
else => {
std.debug.print("Unexpected `git describe` output: {s}\n", .{git_describe});
break :v version_string;
},
}
};
const version = try b.allocator.dupeZ(u8, version_slice);
exe_options.addOption([:0]const u8, "version", version);
if (enable_llvm) {
const cmake_cfg = if (static_llvm) null else blk: {
if (findConfigH(b, config_h_path_option)) |config_h_path| {
const file_contents = fs.cwd().readFileAlloc(b.allocator, config_h_path, max_config_h_bytes) catch unreachable;
break :blk parseConfigH(b, file_contents);
} else {
std.log.warn("config.h could not be located automatically. Consider providing it explicitly via \"-Dconfig_h\"", .{});
break :blk null;
}
};
if (cmake_cfg) |cfg| {
// Inside this code path, we have to coordinate with system packaged LLVM, Clang, and LLD.
// That means we also have to rely on stage1 compiled c++ files. We parse config.h to find
// the information passed on to us from cmake.
if (cfg.cmake_prefix_path.len > 0) {
var it = mem.tokenizeScalar(u8, cfg.cmake_prefix_path, ';');
while (it.next()) |path| {
b.addSearchPrefix(path);
}
}
try addCmakeCfgOptionsToExe(b, cfg, exe, use_zig_libcxx);
} else {
// Here we are -Denable-llvm but no cmake integration.
try addStaticLlvmOptionsToExe(exe);
}
if (target.result.os.tag == .windows) {
// LLVM depends on networking as of version 18.
exe.linkSystemLibrary("ws2_32");
exe.linkSystemLibrary("version");
exe.linkSystemLibrary("uuid");
exe.linkSystemLibrary("ole32");
}
}
const semver = try std.SemanticVersion.parse(version);
exe_options.addOption(std.SemanticVersion, "semver", semver);
exe_options.addOption(bool, "enable_debug_extensions", enable_debug_extensions);
exe_options.addOption(bool, "enable_logging", enable_logging);
exe_options.addOption(bool, "enable_link_snapshots", enable_link_snapshots);
exe_options.addOption(bool, "enable_tracy", tracy != null);
exe_options.addOption(bool, "enable_tracy_callstack", tracy_callstack);
exe_options.addOption(bool, "enable_tracy_allocation", tracy_allocation);
exe_options.addOption(bool, "value_tracing", value_tracing);
if (tracy) |tracy_path| {
const client_cpp = b.pathJoin(
&[_][]const u8{ tracy_path, "public", "TracyClient.cpp" },
);
// On mingw, we need to opt into windows 7+ to get some features required by tracy.
const tracy_c_flags: []const []const u8 = if (target.result.os.tag == .windows and target.result.abi == .gnu)
&[_][]const u8{ "-DTRACY_ENABLE=1", "-fno-sanitize=undefined", "-D_WIN32_WINNT=0x601" }
else
&[_][]const u8{ "-DTRACY_ENABLE=1", "-fno-sanitize=undefined" };
exe.addIncludePath(.{ .cwd_relative = tracy_path });
exe.addCSourceFile(.{ .file = .{ .cwd_relative = client_cpp }, .flags = tracy_c_flags });
if (!enable_llvm) {
exe.root_module.linkSystemLibrary("c++", .{ .use_pkg_config = .no });
}
exe.linkLibC();
if (target.result.os.tag == .windows) {
exe.linkSystemLibrary("dbghelp");
exe.linkSystemLibrary("ws2_32");
}
}
const test_filters = b.option([]const []const u8, "test-filter", "Skip tests that do not match any filter") orelse &[0][]const u8{};
const test_target_filters = b.option([]const []const u8, "test-target-filter", "Skip tests whose target triple do not match any filter") orelse &[0][]const u8{};
const test_slow_targets = b.option(bool, "test-slow-targets", "Enable running module tests for targets that have a slow compiler backend") orelse false;
const test_cases_options = b.addOptions();
test_cases_options.addOption(bool, "enable_tracy", false);
test_cases_options.addOption(bool, "enable_debug_extensions", enable_debug_extensions);
test_cases_options.addOption(bool, "enable_logging", enable_logging);
test_cases_options.addOption(bool, "enable_link_snapshots", enable_link_snapshots);
test_cases_options.addOption(bool, "skip_non_native", skip_non_native);
test_cases_options.addOption(bool, "have_llvm", enable_llvm);
test_cases_options.addOption(bool, "llvm_has_m68k", llvm_has_m68k);
test_cases_options.addOption(bool, "llvm_has_csky", llvm_has_csky);
test_cases_options.addOption(bool, "llvm_has_arc", llvm_has_arc);
test_cases_options.addOption(bool, "llvm_has_xtensa", llvm_has_xtensa);
test_cases_options.addOption(bool, "force_gpa", force_gpa);
test_cases_options.addOption(bool, "enable_qemu", b.enable_qemu);
test_cases_options.addOption(bool, "enable_wine", b.enable_wine);
test_cases_options.addOption(bool, "enable_wasmtime", b.enable_wasmtime);
test_cases_options.addOption(bool, "enable_rosetta", b.enable_rosetta);
test_cases_options.addOption(bool, "enable_darling", b.enable_darling);
test_cases_options.addOption(u32, "mem_leak_frames", mem_leak_frames * 2);
test_cases_options.addOption(bool, "value_tracing", value_tracing);
test_cases_options.addOption(?[]const u8, "glibc_runtimes_dir", b.glibc_runtimes_dir);
test_cases_options.addOption([:0]const u8, "version", version);
test_cases_options.addOption(std.SemanticVersion, "semver", semver);
test_cases_options.addOption([]const []const u8, "test_filters", test_filters);
test_cases_options.addOption(DevEnv, "dev", if (only_c) .bootstrap else .core);
var chosen_opt_modes_buf: [4]builtin.OptimizeMode = undefined;
var chosen_mode_index: usize = 0;
if (!skip_debug) {
chosen_opt_modes_buf[chosen_mode_index] = builtin.OptimizeMode.Debug;
chosen_mode_index += 1;
}
if (!skip_release_safe) {
chosen_opt_modes_buf[chosen_mode_index] = builtin.OptimizeMode.ReleaseSafe;
chosen_mode_index += 1;
}
if (!skip_release_fast) {
chosen_opt_modes_buf[chosen_mode_index] = builtin.OptimizeMode.ReleaseFast;
chosen_mode_index += 1;
}
if (!skip_release_small) {
chosen_opt_modes_buf[chosen_mode_index] = builtin.OptimizeMode.ReleaseSmall;
chosen_mode_index += 1;
}
const optimization_modes = chosen_opt_modes_buf[0..chosen_mode_index];
const fmt_include_paths = &.{ "lib", "src", "test", "tools", "build.zig", "build.zig.zon" };
const fmt_exclude_paths = &.{"test/cases"};
const do_fmt = b.addFmt(.{
.paths = fmt_include_paths,
.exclude_paths = fmt_exclude_paths,
});
b.step("fmt", "Modify source files in place to have conforming formatting").dependOn(&do_fmt.step);
const check_fmt = b.step("test-fmt", "Check source files having conforming formatting");
check_fmt.dependOn(&b.addFmt(.{
.paths = fmt_include_paths,
.exclude_paths = fmt_exclude_paths,
.check = true,
}).step);
test_step.dependOn(check_fmt);
const test_cases_step = b.step("test-cases", "Run the main compiler test cases");
try tests.addCases(b, test_cases_step, test_filters, target, .{
.skip_translate_c = skip_translate_c,
.skip_run_translated_c = skip_run_translated_c,
}, .{
.enable_llvm = enable_llvm,
.llvm_has_m68k = llvm_has_m68k,
.llvm_has_csky = llvm_has_csky,
.llvm_has_arc = llvm_has_arc,
.llvm_has_xtensa = llvm_has_xtensa,
});
test_step.dependOn(test_cases_step);
const test_modules_step = b.step("test-modules", "Run the per-target module tests");
test_modules_step.dependOn(tests.addModuleTests(b, .{
.test_filters = test_filters,
.test_target_filters = test_target_filters,
.test_slow_targets = test_slow_targets,
.root_src = "test/behavior.zig",
.name = "behavior",
.desc = "Run the behavior tests",
.optimize_modes = optimization_modes,
.include_paths = &.{},
.skip_single_threaded = skip_single_threaded,
.skip_non_native = skip_non_native,
.skip_libc = skip_libc,
.max_rss = 1 * 1024 * 1024 * 1024,
}));
test_modules_step.dependOn(tests.addModuleTests(b, .{
.test_filters = test_filters,
.test_target_filters = test_target_filters,
.test_slow_targets = test_slow_targets,
.root_src = "test/c_import.zig",
.name = "c-import",
.desc = "Run the @cImport tests",
.optimize_modes = optimization_modes,
.include_paths = &.{"test/c_import"},
.skip_single_threaded = true,
.skip_non_native = skip_non_native,
.skip_libc = skip_libc,
}));
test_modules_step.dependOn(tests.addModuleTests(b, .{
.test_filters = test_filters,
.test_target_filters = test_target_filters,
.test_slow_targets = test_slow_targets,
.root_src = "lib/compiler_rt.zig",
.name = "compiler-rt",
.desc = "Run the compiler_rt tests",
.optimize_modes = optimization_modes,
.include_paths = &.{},
.skip_single_threaded = true,
.skip_non_native = skip_non_native,
.skip_libc = true,
.no_builtin = true,
}));
test_modules_step.dependOn(tests.addModuleTests(b, .{
.test_filters = test_filters,
.test_target_filters = test_target_filters,
.test_slow_targets = test_slow_targets,
.root_src = "lib/c.zig",
.name = "universal-libc",
.desc = "Run the universal libc tests",
.optimize_modes = optimization_modes,
.include_paths = &.{},
.skip_single_threaded = true,
.skip_non_native = skip_non_native,
.skip_libc = true,
.no_builtin = true,
}));
test_modules_step.dependOn(tests.addModuleTests(b, .{
.test_filters = test_filters,
.test_target_filters = test_target_filters,
.test_slow_targets = test_slow_targets,
.root_src = "lib/std/std.zig",
.name = "std",
.desc = "Run the standard library tests",
.optimize_modes = optimization_modes,
.include_paths = &.{},
.skip_single_threaded = skip_single_threaded,
.skip_non_native = skip_non_native,
.skip_libc = skip_libc,
// I observed a value of 4572626944 on the M2 CI.
.max_rss = 5029889638,
}));
test_step.dependOn(test_modules_step);
test_step.dependOn(tests.addCompareOutputTests(b, test_filters, optimization_modes));
test_step.dependOn(tests.addStandaloneTests(
b,
optimization_modes,
enable_macos_sdk,
enable_ios_sdk,
enable_symlinks_windows,
));
test_step.dependOn(tests.addCAbiTests(b, skip_non_native, skip_release));
test_step.dependOn(tests.addLinkTests(b, enable_macos_sdk, enable_ios_sdk, enable_symlinks_windows));
test_step.dependOn(tests.addStackTraceTests(b, test_filters, optimization_modes));
test_step.dependOn(tests.addCliTests(b));
test_step.dependOn(tests.addAssembleAndLinkTests(b, test_filters, optimization_modes));
if (tests.addDebuggerTests(b, .{
.test_filters = test_filters,
.gdb = b.option([]const u8, "gdb", "path to gdb binary"),
.lldb = b.option([]const u8, "lldb", "path to lldb binary"),
.optimize_modes = optimization_modes,
.skip_single_threaded = skip_single_threaded,
.skip_non_native = skip_non_native,
.skip_libc = skip_libc,
})) |test_debugger_step| test_step.dependOn(test_debugger_step);
try addWasiUpdateStep(b, version);
const update_mingw_step = b.step("update-mingw", "Update zig's bundled mingw");
const opt_mingw_src_path = b.option([]const u8, "mingw-src", "path to mingw-w64 source directory");
if (opt_mingw_src_path) |mingw_src_path| {
const update_mingw_exe = b.addExecutable(.{
.name = "update_mingw",
.target = b.graph.host,
.root_source_file = b.path("tools/update_mingw.zig"),
});
const update_mingw_run = b.addRunArtifact(update_mingw_exe);
update_mingw_run.addDirectoryArg(b.path("lib"));
update_mingw_run.addDirectoryArg(.{ .cwd_relative = mingw_src_path });
update_mingw_step.dependOn(&update_mingw_run.step);
} else {
update_mingw_step.dependOn(&b.addFail("The -Dmingw-src=... option is required for this step").step);
}
}
fn addWasiUpdateStep(b: *std.Build, version: [:0]const u8) !void {
const semver = try std.SemanticVersion.parse(version);
var target_query: std.Target.Query = .{
.cpu_arch = .wasm32,
.os_tag = .wasi,
};
target_query.cpu_features_add.addFeature(@intFromEnum(std.Target.wasm.Feature.bulk_memory));
const exe = addCompilerStep(b, .{
.optimize = .ReleaseSmall,
.target = b.resolveTargetQuery(target_query),
});
const exe_options = b.addOptions();
exe.root_module.addOptions("build_options", exe_options);
exe_options.addOption(u32, "mem_leak_frames", 0);
exe_options.addOption(bool, "have_llvm", false);
exe_options.addOption(bool, "force_gpa", false);
exe_options.addOption([:0]const u8, "version", version);
exe_options.addOption(std.SemanticVersion, "semver", semver);
exe_options.addOption(bool, "enable_debug_extensions", false);
exe_options.addOption(bool, "enable_logging", false);
exe_options.addOption(bool, "enable_link_snapshots", false);
exe_options.addOption(bool, "enable_tracy", false);
exe_options.addOption(bool, "enable_tracy_callstack", false);
exe_options.addOption(bool, "enable_tracy_allocation", false);
exe_options.addOption(bool, "value_tracing", false);
exe_options.addOption(DevEnv, "dev", .bootstrap);
const run_opt = b.addSystemCommand(&.{
"wasm-opt",
"-Oz",
"--enable-bulk-memory",
"--enable-sign-ext",
});
run_opt.addArtifactArg(exe);
run_opt.addArg("-o");
run_opt.addFileArg(b.path("stage1/zig1.wasm"));
const copy_zig_h = b.addUpdateSourceFiles();
copy_zig_h.addCopyFileToSource(b.path("lib/zig.h"), "stage1/zig.h");
const update_zig1_step = b.step("update-zig1", "Update stage1/zig1.wasm");
update_zig1_step.dependOn(&run_opt.step);
update_zig1_step.dependOn(&copy_zig_h.step);
}
const AddCompilerStepOptions = struct {
optimize: std.builtin.OptimizeMode,
target: std.Build.ResolvedTarget,
strip: ?bool = null,
valgrind: ?bool = null,
sanitize_thread: ?bool = null,
single_threaded: ?bool = null,
};
fn addCompilerStep(b: *std.Build, options: AddCompilerStepOptions) *std.Build.Step.Compile {
const exe = b.addExecutable(.{
.name = "zig",
.root_source_file = b.path("src/main.zig"),
.target = options.target,
.optimize = options.optimize,
.max_rss = 7_500_000_000,
.strip = options.strip,
.sanitize_thread = options.sanitize_thread,
.single_threaded = options.single_threaded,
.code_model = switch (options.target.result.cpu.arch) {
// NB:
// For loongarch, LLVM supports only small, medium and large
// code model. If we don't explicitly specify the code model,
// the default value `small' will be used.
//
// Since zig binary itself is relatively large, using a `small'
// code model will cause
//
// relocation R_LARCH_B26 out of range
//
// error when linking a loongarch64 zig binary.
//
// Here we explicitly set code model to `medium' to avoid this
// error.
.loongarch64 => .medium,
else => .default,
},
});
exe.root_module.valgrind = options.valgrind;
exe.stack_size = stack_size;
const aro_module = b.createModule(.{
.root_source_file = b.path("lib/compiler/aro/aro.zig"),
});
const aro_translate_c_module = b.createModule(.{
.root_source_file = b.path("lib/compiler/aro_translate_c.zig"),
.imports = &.{
.{
.name = "aro",
.module = aro_module,
},
},
});
exe.root_module.addImport("aro", aro_module);
exe.root_module.addImport("aro_translate_c", aro_translate_c_module);
return exe;
}
const exe_cflags = [_][]const u8{
"-std=c++17",
"-D__STDC_CONSTANT_MACROS",
"-D__STDC_FORMAT_MACROS",
"-D__STDC_LIMIT_MACROS",
"-D_GNU_SOURCE",
"-fno-exceptions",
"-fno-rtti",
"-fno-stack-protector",
"-fvisibility-inlines-hidden",
"-Wno-type-limits",
"-Wno-missing-braces",
"-Wno-comment",
};
fn addCmakeCfgOptionsToExe(
b: *std.Build,
cfg: CMakeConfig,
exe: *std.Build.Step.Compile,
use_zig_libcxx: bool,
) !void {
if (exe.rootModuleTarget().isDarwin()) {
// useful for package maintainers
exe.headerpad_max_install_names = true;
}
exe.addObjectFile(.{ .cwd_relative = b.pathJoin(&[_][]const u8{
cfg.cmake_binary_dir,
"zigcpp",
b.fmt("{s}{s}{s}", .{
cfg.cmake_static_library_prefix,
"zigcpp",
cfg.cmake_static_library_suffix,
}),
}) });
assert(cfg.lld_include_dir.len != 0);
exe.addIncludePath(.{ .cwd_relative = cfg.lld_include_dir });
exe.addIncludePath(.{ .cwd_relative = cfg.llvm_include_dir });
exe.addLibraryPath(.{ .cwd_relative = cfg.llvm_lib_dir });
addCMakeLibraryList(exe, cfg.clang_libraries);
addCMakeLibraryList(exe, cfg.lld_libraries);
addCMakeLibraryList(exe, cfg.llvm_libraries);
if (use_zig_libcxx) {
exe.linkLibCpp();
} else {
// System -lc++ must be used because in this code path we are attempting to link
// against system-provided LLVM, Clang, LLD.
const need_cpp_includes = true;
const static = cfg.llvm_linkage == .static;
const lib_suffix = if (static) exe.rootModuleTarget().staticLibSuffix()[1..] else exe.rootModuleTarget().dynamicLibSuffix()[1..];
switch (exe.rootModuleTarget().os.tag) {
.linux => {
// First we try to link against the detected libcxx name. If that doesn't work, we fall
// back to -lc++ and cross our fingers.
addCxxKnownPath(b, cfg, exe, b.fmt("lib{s}.{s}", .{ cfg.system_libcxx, lib_suffix }), "", need_cpp_includes) catch |err| switch (err) {
error.RequiredLibraryNotFound => {
exe.linkLibCpp();
},
else => |e| return e,
};
exe.linkSystemLibrary("unwind");
},
.ios, .macos, .watchos, .tvos, .visionos => {
exe.linkLibCpp();
},
.windows => {
if (exe.rootModuleTarget().abi != .msvc) exe.linkLibCpp();
},
.freebsd => {
if (static) {
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++.{s}", .{lib_suffix}), null, need_cpp_includes);
try addCxxKnownPath(b, cfg, exe, b.fmt("libgcc_eh.{s}", .{lib_suffix}), null, need_cpp_includes);
} else {
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++.{s}", .{lib_suffix}), null, need_cpp_includes);
}
},
.openbsd => {
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++.{s}", .{lib_suffix}), null, need_cpp_includes);
try addCxxKnownPath(b, cfg, exe, b.fmt("libc++abi.{s}", .{lib_suffix}), null, need_cpp_includes);
},
.netbsd, .dragonfly => {
if (static) {
try addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), null, need_cpp_includes);
try addCxxKnownPath(b, cfg, exe, b.fmt("libgcc_eh.{s}", .{lib_suffix}), null, need_cpp_includes);
} else {
try addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), null, need_cpp_includes);
}
},
.solaris, .illumos => {
try addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), null, need_cpp_includes);
try addCxxKnownPath(b, cfg, exe, b.fmt("libgcc_eh.{s}", .{lib_suffix}), null, need_cpp_includes);
},
.haiku => {
try addCxxKnownPath(b, cfg, exe, b.fmt("libstdc++.{s}", .{lib_suffix}), null, need_cpp_includes);
},
else => {},
}
}
if (cfg.dia_guids_lib.len != 0) {
exe.addObjectFile(.{ .cwd_relative = cfg.dia_guids_lib });
}
}
fn addStaticLlvmOptionsToExe(exe: *std.Build.Step.Compile) !void {
// Adds the Zig C++ sources which both stage1 and stage2 need.
//
// We need this because otherwise zig_clang_cc1_main.cpp ends up pulling
// in a dependency on llvm::cfg::Update<llvm::BasicBlock*>::dump() which is
// unavailable when LLVM is compiled in Release mode.
const zig_cpp_cflags = exe_cflags ++ [_][]const u8{"-DNDEBUG=1"};
exe.addCSourceFiles(.{
.files = &zig_cpp_sources,
.flags = &zig_cpp_cflags,
});
for (clang_libs) |lib_name| {
exe.linkSystemLibrary(lib_name);
}
for (lld_libs) |lib_name| {
exe.linkSystemLibrary(lib_name);
}
for (llvm_libs) |lib_name| {
exe.linkSystemLibrary(lib_name);
}
exe.linkSystemLibrary("z");
exe.linkSystemLibrary("zstd");
if (exe.rootModuleTarget().os.tag != .windows or exe.rootModuleTarget().abi != .msvc) {
// This means we rely on clang-or-zig-built LLVM, Clang, LLD libraries.
exe.linkSystemLibrary("c++");
}
if (exe.rootModuleTarget().os.tag == .windows) {
exe.linkSystemLibrary("version");
exe.linkSystemLibrary("uuid");
exe.linkSystemLibrary("ole32");
}
}
fn addCxxKnownPath(
b: *std.Build,
ctx: CMakeConfig,
exe: *std.Build.Step.Compile,
objname: []const u8,
errtxt: ?[]const u8,
need_cpp_includes: bool,
) !void {
if (!std.process.can_spawn)
return error.RequiredLibraryNotFound;
const path_padded = run: {
var args = std.ArrayList([]const u8).init(b.allocator);
try args.append(ctx.cxx_compiler);
var it = std.mem.tokenizeAny(u8, ctx.cxx_compiler_arg1, &std.ascii.whitespace);
while (it.next()) |arg| try args.append(arg);
try args.append(b.fmt("-print-file-name={s}", .{objname}));
break :run b.run(args.items);
};
var tokenizer = mem.tokenizeAny(u8, path_padded, "\r\n");
const path_unpadded = tokenizer.next().?;
if (mem.eql(u8, path_unpadded, objname)) {
if (errtxt) |msg| {
std.debug.print("{s}", .{msg});
} else {
std.debug.print("Unable to determine path to {s}\n", .{objname});
}
return error.RequiredLibraryNotFound;
}
exe.addObjectFile(.{ .cwd_relative = path_unpadded });
// TODO a way to integrate with system c++ include files here
// c++ -E -Wp,-v -xc++ /dev/null
if (need_cpp_includes) {
// I used these temporarily for testing something but we obviously need a
// more general purpose solution here.
//exe.addIncludePath("/nix/store/2lr0fc0ak8rwj0k8n3shcyz1hz63wzma-gcc-11.3.0/include/c++/11.3.0");
//exe.addIncludePath("/nix/store/2lr0fc0ak8rwj0k8n3shcyz1hz63wzma-gcc-11.3.0/include/c++/11.3.0/x86_64-unknown-linux-gnu");
}
}
fn addCMakeLibraryList(exe: *std.Build.Step.Compile, list: []const u8) void {
var it = mem.tokenizeScalar(u8, list, ';');
while (it.next()) |lib| {
if (mem.startsWith(u8, lib, "-l")) {
exe.linkSystemLibrary(lib["-l".len..]);
} else if (exe.rootModuleTarget().os.tag == .windows and
mem.endsWith(u8, lib, ".lib") and !fs.path.isAbsolute(lib))
{
exe.linkSystemLibrary(lib[0 .. lib.len - ".lib".len]);
} else {
exe.addObjectFile(.{ .cwd_relative = lib });
}
}
}
const CMakeConfig = struct {
llvm_linkage: std.builtin.LinkMode,
cmake_binary_dir: []const u8,
cmake_prefix_path: []const u8,
cmake_static_library_prefix: []const u8,
cmake_static_library_suffix: []const u8,
cxx_compiler: []const u8,
cxx_compiler_arg1: []const u8,
lld_include_dir: []const u8,
lld_libraries: []const u8,
clang_libraries: []const u8,
llvm_lib_dir: []const u8,
llvm_include_dir: []const u8,
llvm_libraries: []const u8,
dia_guids_lib: []const u8,
system_libcxx: []const u8,
};
const max_config_h_bytes = 1 * 1024 * 1024;
fn findConfigH(b: *std.Build, config_h_path_option: ?[]const u8) ?[]const u8 {
if (config_h_path_option) |path| {
var config_h_or_err = fs.cwd().openFile(path, .{});
if (config_h_or_err) |*file| {
file.close();
return path;
} else |_| {
std.log.err("Could not open provided config.h: \"{s}\"", .{path});
std.process.exit(1);
}
}
var check_dir = fs.path.dirname(b.graph.zig_exe).?;
while (true) {
var dir = fs.cwd().openDir(check_dir, .{}) catch unreachable;
defer dir.close();
// Check if config.h is present in dir
var config_h_or_err = dir.openFile("config.h", .{});
if (config_h_or_err) |*file| {
file.close();
return fs.path.join(
b.allocator,
&[_][]const u8{ check_dir, "config.h" },
) catch unreachable;
} else |e| switch (e) {
error.FileNotFound => {},
else => unreachable,
}
// Check if we reached the source root by looking for .git, and bail if so
var git_dir_or_err = dir.openDir(".git", .{});
if (git_dir_or_err) |*git_dir| {
git_dir.close();
return null;
} else |_| {}
// Otherwise, continue search in the parent directory
const new_check_dir = fs.path.dirname(check_dir);
if (new_check_dir == null or mem.eql(u8, new_check_dir.?, check_dir)) {
return null;
}
check_dir = new_check_dir.?;
}
}
fn parseConfigH(b: *std.Build, config_h_text: []const u8) ?CMakeConfig {
var ctx: CMakeConfig = .{
.llvm_linkage = undefined,
.cmake_binary_dir = undefined,
.cmake_prefix_path = undefined,
.cmake_static_library_prefix = undefined,
.cmake_static_library_suffix = undefined,
.cxx_compiler = undefined,
.cxx_compiler_arg1 = "",
.lld_include_dir = undefined,
.lld_libraries = undefined,
.clang_libraries = undefined,
.llvm_lib_dir = undefined,
.llvm_include_dir = undefined,
.llvm_libraries = undefined,
.dia_guids_lib = undefined,
.system_libcxx = undefined,
};
const mappings = [_]struct { prefix: []const u8, field: []const u8 }{
.{
.prefix = "#define ZIG_CMAKE_BINARY_DIR ",
.field = "cmake_binary_dir",
},
.{
.prefix = "#define ZIG_CMAKE_PREFIX_PATH ",
.field = "cmake_prefix_path",
},
.{
.prefix = "#define ZIG_CMAKE_STATIC_LIBRARY_PREFIX ",
.field = "cmake_static_library_prefix",
},
.{
.prefix = "#define ZIG_CMAKE_STATIC_LIBRARY_SUFFIX ",
.field = "cmake_static_library_suffix",
},
.{
.prefix = "#define ZIG_CXX_COMPILER ",
.field = "cxx_compiler",
},
.{
.prefix = "#define ZIG_CXX_COMPILER_ARG1 ",
.field = "cxx_compiler_arg1",
},
.{
.prefix = "#define ZIG_LLD_INCLUDE_PATH ",
.field = "lld_include_dir",
},
.{
.prefix = "#define ZIG_LLD_LIBRARIES ",
.field = "lld_libraries",
},
.{
.prefix = "#define ZIG_CLANG_LIBRARIES ",
.field = "clang_libraries",
},
.{
.prefix = "#define ZIG_LLVM_LIBRARIES ",
.field = "llvm_libraries",
},
.{
.prefix = "#define ZIG_DIA_GUIDS_LIB ",
.field = "dia_guids_lib",
},
.{
.prefix = "#define ZIG_LLVM_INCLUDE_PATH ",
.field = "llvm_include_dir",
},
.{
.prefix = "#define ZIG_LLVM_LIB_PATH ",
.field = "llvm_lib_dir",
},
.{
.prefix = "#define ZIG_SYSTEM_LIBCXX",
.field = "system_libcxx",
},
// .prefix = ZIG_LLVM_LINK_MODE parsed manually below
};
var lines_it = mem.tokenizeAny(u8, config_h_text, "\r\n");
while (lines_it.next()) |line| {
inline for (mappings) |mapping| {
if (mem.startsWith(u8, line, mapping.prefix)) {
var it = mem.splitScalar(u8, line, '"');
_ = it.first(); // skip the stuff before the quote
const quoted = it.next().?; // the stuff inside the quote
const trimmed = mem.trim(u8, quoted, " ");
@field(ctx, mapping.field) = toNativePathSep(b, trimmed);
}
}
if (mem.startsWith(u8, line, "#define ZIG_LLVM_LINK_MODE ")) {
var it = mem.splitScalar(u8, line, '"');
_ = it.next().?; // skip the stuff before the quote
const quoted = it.next().?; // the stuff inside the quote
ctx.llvm_linkage = if (mem.eql(u8, quoted, "shared")) .dynamic else .static;
}
}
return ctx;
}
fn toNativePathSep(b: *std.Build, s: []const u8) []u8 {
const duplicated = b.allocator.dupe(u8, s) catch unreachable;
for (duplicated) |*byte| switch (byte.*) {
'/' => byte.* = fs.path.sep,
else => {},
};
return duplicated;
}
const zig_cpp_sources = [_][]const u8{
// These are planned to stay even when we are self-hosted.
"src/zig_llvm.cpp",
"src/zig_clang.cpp",
"src/zig_llvm-ar.cpp",
"src/zig_clang_driver.cpp",
"src/zig_clang_cc1_main.cpp",
"src/zig_clang_cc1as_main.cpp",
};
const clang_libs = [_][]const u8{
"clangFrontendTool",
"clangCodeGen",
"clangFrontend",
"clangDriver",
"clangSerialization",
"clangSema",
"clangStaticAnalyzerFrontend",
"clangStaticAnalyzerCheckers",
"clangStaticAnalyzerCore",
"clangAnalysis",
"clangASTMatchers",
"clangAST",
"clangParse",
"clangSema",
"clangAPINotes",
"clangBasic",
"clangEdit",
"clangLex",
"clangARCMigrate",
"clangRewriteFrontend",
"clangRewrite",
"clangCrossTU",
"clangIndex",
"clangToolingCore",
"clangExtractAPI",
"clangSupport",
"clangInstallAPI",
"clangAST",
};
const lld_libs = [_][]const u8{
"lldMinGW",
"lldELF",
"lldCOFF",
"lldWasm",
"lldMachO",
"lldCommon",
};
// This list can be re-generated with `llvm-config --libfiles` and then
// reformatting using your favorite text editor. Note we do not execute
// `llvm-config` here because we are cross compiling. Also omit LLVMTableGen
// from these libs.
const llvm_libs = [_][]const u8{
"LLVMWindowsManifest",
"LLVMXRay",
"LLVMLibDriver",
"LLVMDlltoolDriver",
"LLVMTextAPIBinaryReader",
"LLVMCoverage",
"LLVMLineEditor",
"LLVMSandboxIR",
"LLVMXCoreDisassembler",
"LLVMXCoreCodeGen",
"LLVMXCoreDesc",
"LLVMXCoreInfo",
"LLVMX86TargetMCA",
"LLVMX86Disassembler",
"LLVMX86AsmParser",
"LLVMX86CodeGen",
"LLVMX86Desc",
"LLVMX86Info",
"LLVMWebAssemblyDisassembler",
"LLVMWebAssemblyAsmParser",
"LLVMWebAssemblyCodeGen",
"LLVMWebAssemblyUtils",
"LLVMWebAssemblyDesc",
"LLVMWebAssemblyInfo",
"LLVMVEDisassembler",
"LLVMVEAsmParser",
"LLVMVECodeGen",
"LLVMVEDesc",
"LLVMVEInfo",
"LLVMSystemZDisassembler",
"LLVMSystemZAsmParser",
"LLVMSystemZCodeGen",
"LLVMSystemZDesc",
"LLVMSystemZInfo",
"LLVMSparcDisassembler",
"LLVMSparcAsmParser",
"LLVMSparcCodeGen",
"LLVMSparcDesc",
"LLVMSparcInfo",
"LLVMRISCVTargetMCA",
"LLVMRISCVDisassembler",
"LLVMRISCVAsmParser",
"LLVMRISCVCodeGen",
"LLVMRISCVDesc",
"LLVMRISCVInfo",
"LLVMPowerPCDisassembler",
"LLVMPowerPCAsmParser",
"LLVMPowerPCCodeGen",
"LLVMPowerPCDesc",
"LLVMPowerPCInfo",
"LLVMNVPTXCodeGen",
"LLVMNVPTXDesc",
"LLVMNVPTXInfo",
"LLVMMSP430Disassembler",
"LLVMMSP430AsmParser",
"LLVMMSP430CodeGen",
"LLVMMSP430Desc",
"LLVMMSP430Info",
"LLVMMipsDisassembler",
"LLVMMipsAsmParser",
"LLVMMipsCodeGen",
"LLVMMipsDesc",
"LLVMMipsInfo",
"LLVMLoongArchDisassembler",
"LLVMLoongArchAsmParser",
"LLVMLoongArchCodeGen",
"LLVMLoongArchDesc",
"LLVMLoongArchInfo",
"LLVMLanaiDisassembler",
"LLVMLanaiCodeGen",
"LLVMLanaiAsmParser",
"LLVMLanaiDesc",
"LLVMLanaiInfo",
"LLVMHexagonDisassembler",
"LLVMHexagonCodeGen",
"LLVMHexagonAsmParser",
"LLVMHexagonDesc",
"LLVMHexagonInfo",
"LLVMBPFDisassembler",
"LLVMBPFAsmParser",
"LLVMBPFCodeGen",
"LLVMBPFDesc",
"LLVMBPFInfo",
"LLVMAVRDisassembler",
"LLVMAVRAsmParser",
"LLVMAVRCodeGen",
"LLVMAVRDesc",
"LLVMAVRInfo",
"LLVMARMDisassembler",
"LLVMARMAsmParser",
"LLVMARMCodeGen",
"LLVMARMDesc",
"LLVMARMUtils",
"LLVMARMInfo",
"LLVMAMDGPUTargetMCA",
"LLVMAMDGPUDisassembler",
"LLVMAMDGPUAsmParser",
"LLVMAMDGPUCodeGen",
"LLVMAMDGPUDesc",
"LLVMAMDGPUUtils",
"LLVMAMDGPUInfo",
"LLVMAArch64Disassembler",
"LLVMAArch64AsmParser",
"LLVMAArch64CodeGen",
"LLVMAArch64Desc",
"LLVMAArch64Utils",
"LLVMAArch64Info",
"LLVMOrcDebugging",
"LLVMOrcJIT",
"LLVMWindowsDriver",
"LLVMMCJIT",
"LLVMJITLink",
"LLVMInterpreter",
"LLVMExecutionEngine",
"LLVMRuntimeDyld",
"LLVMOrcTargetProcess",
"LLVMOrcShared",
"LLVMDWP",
"LLVMDebugInfoLogicalView",
"LLVMDebugInfoGSYM",
"LLVMOption",
"LLVMObjectYAML",
"LLVMObjCopy",
"LLVMMCA",
"LLVMMCDisassembler",
"LLVMLTO",
"LLVMPasses",
"LLVMHipStdPar",
"LLVMCFGuard",
"LLVMCoroutines",
"LLVMipo",
"LLVMVectorize",
"LLVMLinker",
"LLVMInstrumentation",
"LLVMFrontendOpenMP",
"LLVMFrontendOffloading",
"LLVMFrontendOpenACC",
"LLVMFrontendHLSL",
"LLVMFrontendDriver",
"LLVMExtensions",
"LLVMDWARFLinkerParallel",
"LLVMDWARFLinkerClassic",
"LLVMDWARFLinker",
"LLVMCodeGenData",
"LLVMGlobalISel",
"LLVMMIRParser",
"LLVMAsmPrinter",
"LLVMSelectionDAG",
"LLVMCodeGen",
"LLVMTarget",
"LLVMObjCARCOpts",
"LLVMCodeGenTypes",
"LLVMIRPrinter",
"LLVMInterfaceStub",
"LLVMFileCheck",
"LLVMFuzzMutate",
"LLVMScalarOpts",
"LLVMInstCombine",
"LLVMAggressiveInstCombine",
"LLVMTransformUtils",
"LLVMBitWriter",
"LLVMAnalysis",
"LLVMProfileData",
"LLVMSymbolize",
"LLVMDebugInfoBTF",
"LLVMDebugInfoPDB",
"LLVMDebugInfoMSF",
"LLVMDebugInfoDWARF",
"LLVMObject",
"LLVMTextAPI",
"LLVMMCParser",
"LLVMIRReader",
"LLVMAsmParser",
"LLVMMC",
"LLVMDebugInfoCodeView",
"LLVMBitReader",
"LLVMFuzzerCLI",
"LLVMCore",
"LLVMRemarks",
"LLVMBitstreamReader",
"LLVMBinaryFormat",
"LLVMTargetParser",
"LLVMSupport",
"LLVMDemangle",
};
fn generateLangRef(b: *std.Build) std.Build.LazyPath {
const doctest_exe = b.addExecutable(.{
.name = "doctest",
.root_source_file = b.path("tools/doctest.zig"),
.target = b.graph.host,
.optimize = .Debug,
});
var dir = b.build_root.handle.openDir("doc/langref", .{ .iterate = true }) catch |err| {
std.debug.panic("unable to open '{}doc/langref' directory: {s}", .{
b.build_root, @errorName(err),
});
};
defer dir.close();
var wf = b.addWriteFiles();
var it = dir.iterateAssumeFirstIteration();
while (it.next() catch @panic("failed to read dir")) |entry| {
if (std.mem.startsWith(u8, entry.name, ".") or entry.kind != .file)
continue;
const out_basename = b.fmt("{s}.out", .{std.fs.path.stem(entry.name)});
const cmd = b.addRunArtifact(doctest_exe);
cmd.addArgs(&.{
"--zig", b.graph.zig_exe,
// TODO: enhance doctest to use "--listen=-" rather than operating
// in a temporary directory
"--cache-root", b.cache_root.path orelse ".",
});
cmd.addArgs(&.{ "--zig-lib-dir", b.fmt("{}", .{b.graph.zig_lib_directory}) });
cmd.addArgs(&.{"-i"});
cmd.addFileArg(b.path(b.fmt("doc/langref/{s}", .{entry.name})));
cmd.addArgs(&.{"-o"});
_ = wf.addCopyFile(cmd.addOutputFileArg(out_basename), out_basename);
}
const docgen_exe = b.addExecutable(.{
.name = "docgen",
.root_source_file = b.path("tools/docgen.zig"),
.target = b.graph.host,
.optimize = .Debug,
});
const docgen_cmd = b.addRunArtifact(docgen_exe);
docgen_cmd.addArgs(&.{"--code-dir"});
docgen_cmd.addDirectoryArg(wf.getDirectory());
docgen_cmd.addFileArg(b.path("doc/langref.html.in"));
return docgen_cmd.addOutputFileArg("langref.html");
}
fn tidyCheck(b: *std.Build, html_file: std.Build.LazyPath) *std.Build.Step {
const run_tidy = b.addSystemCommand(&.{
"tidy", "--drop-empty-elements", "no", "-qe",
});
run_tidy.addFileArg(html_file);
run_tidy.expectExitCode(0);
return &run_tidy.step;
}
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