271 lines
11 KiB
Zig
271 lines
11 KiB
Zig
const std = @import("std");
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const fmt = std.fmt;
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const fs = std.fs;
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const heap = std.heap;
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const mem = std.mem;
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const LibExeObjStep = std.build.LibExeObjStep;
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const Target = std.Target;
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pub fn build(b: *std.build.Builder) !void {
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const root_path = b.pathFromRoot(".");
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var cwd = try fs.openDirAbsolute(root_path, .{});
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defer cwd.close();
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const src_path = "src/libsodium";
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const src_dir = try fs.Dir.openIterableDir(cwd, src_path, .{ .no_follow = true });
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const target = b.standardTargetOptions(.{});
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const optimize = b.standardOptimizeOption(.{});
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const enable_benchmarks = b.option(bool, "enable_benchmarks", "Whether tests should be benchmarks.") orelse false;
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const benchmarks_iterations = b.option(u32, "iterations", "Number of iterations for benchmarks.") orelse 200;
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var build_static = b.option(bool, "static", "Build libsodium as a static library.") orelse true;
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const build_shared = b.option(bool, "shared", "Build libsodium as a shared library.") orelse true;
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const build_tests = b.option(bool, "test", "Build the tests (implies -Dstatic=true)") orelse true;
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if (build_tests) {
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build_static = true;
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}
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const static_lib = b.addStaticLibrary(.{
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.name = "sodium",
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.target = target,
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.optimize = optimize,
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});
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const shared_lib = b.addSharedLibrary(.{
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.name = if (target.isWindows()) "sodium_shared" else "sodium",
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.target = target,
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.optimize = optimize,
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});
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// work out which libraries we are building
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var libs = std.ArrayList(*LibExeObjStep).init(b.allocator);
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defer libs.deinit();
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if (build_static) {
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try libs.append(static_lib);
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}
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if (build_shared) {
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try libs.append(shared_lib);
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}
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const prebuilt_version_file_path = "builds/msvc/version.h";
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const version_file_path = "include/sodium/version.h";
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if (src_dir.dir.access(version_file_path, .{ .mode = .read_only })) {} else |_| {
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try cwd.copyFile(prebuilt_version_file_path, src_dir.dir, version_file_path, .{});
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}
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for (libs.items) |lib| {
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if (lib.isDynamicLibrary() and
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!(target.isDarwin() or target.isDragonFlyBSD() or target.isFreeBSD() or
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target.isLinux() or target.isNetBSD() or target.isOpenBSD() or target.isWindows()))
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{
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continue;
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}
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if (optimize != .Debug and !target.isWindows() and !lib.isStaticLibrary()) {
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lib.strip = true;
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}
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b.installArtifact(lib);
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lib.installHeader(src_path ++ "/include/sodium.h", "sodium.h");
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lib.installHeadersDirectory(src_path ++ "/include/sodium", "sodium");
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lib.linkLibC();
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lib.addIncludePath(.{ .path = "src/libsodium/include/sodium" });
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lib.defineCMacro("_GNU_SOURCE", "1");
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lib.defineCMacro("CONFIGURED", "1");
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lib.defineCMacro("DEV_MODE", "1");
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lib.defineCMacro("HAVE_ATOMIC_OPS", "1");
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lib.defineCMacro("HAVE_C11_MEMORY_FENCES", "1");
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lib.defineCMacro("HAVE_CET_H", "1");
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lib.defineCMacro("HAVE_GCC_MEMORY_FENCES", "1");
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lib.defineCMacro("HAVE_INLINE_ASM", "1");
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lib.defineCMacro("HAVE_INTTYPES_H", "1");
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lib.defineCMacro("HAVE_STDINT_H", "1");
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lib.defineCMacro("HAVE_TI_MODE", "1");
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if (target.cpu_arch) |arch| {
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switch (arch.endian()) {
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.Big => lib.defineCMacro("NATIVE_BIG_ENDIAN", "1"),
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.Little => lib.defineCMacro("NATIVE_LITTLE_ENDIAN", "1"),
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}
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}
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switch (target.getOsTag()) {
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.linux => {
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lib.defineCMacro("ASM_HIDE_SYMBOL", ".hidden");
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lib.defineCMacro("TLS", "_Thread_local");
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lib.defineCMacro("HAVE_CATCHABLE_ABRT", "1");
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lib.defineCMacro("HAVE_CATCHABLE_SEGV", "1");
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lib.defineCMacro("HAVE_CLOCK_GETTIME", "1");
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lib.defineCMacro("HAVE_GETPID", "1");
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lib.defineCMacro("HAVE_INLINE_ASM", "1");
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lib.defineCMacro("HAVE_MADVISE", "1");
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lib.defineCMacro("HAVE_MLOCK", "1");
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lib.defineCMacro("HAVE_MMAP", "1");
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lib.defineCMacro("HAVE_MPROTECT", "1");
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lib.defineCMacro("HAVE_NANOSLEEP", "1");
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lib.defineCMacro("HAVE_POSIX_MEMALIGN", "1");
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lib.defineCMacro("HAVE_PTHREAD_PRIO_INHERIT", "1");
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lib.defineCMacro("HAVE_PTHREAD", "1");
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lib.defineCMacro("HAVE_RAISE", "1");
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lib.defineCMacro("HAVE_SYSCONF", "1");
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lib.defineCMacro("HAVE_SYS_AUXV_H", "1");
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lib.defineCMacro("HAVE_SYS_MMAN_H", "1");
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lib.defineCMacro("HAVE_SYS_PARAM_H", "1");
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lib.defineCMacro("HAVE_SYS_RANDOM_H", "1");
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lib.defineCMacro("HAVE_WEAK_SYMBOLS", "1");
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},
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.windows => {
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lib.defineCMacro("HAVE_RAISE", "1");
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lib.defineCMacro("HAVE_SYS_PARAM_H", "1");
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if (lib.isStaticLibrary()) {
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lib.defineCMacro("SODIUM_STATIC", "1");
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}
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},
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.macos => {
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lib.defineCMacro("ASM_HIDE_SYMBOL", ".private_extern");
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lib.defineCMacro("TLS", "_Thread_local");
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lib.defineCMacro("HAVE_ARC4RANDOM", "1");
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lib.defineCMacro("HAVE_ARC4RANDOM_BUF", "1");
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lib.defineCMacro("HAVE_CATCHABLE_ABRT", "1");
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lib.defineCMacro("HAVE_CATCHABLE_SEGV", "1");
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lib.defineCMacro("HAVE_CLOCK_GETTIME", "1");
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lib.defineCMacro("HAVE_GETENTROPY", "1");
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lib.defineCMacro("HAVE_GETPID", "1");
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lib.defineCMacro("HAVE_MADVISE", "1");
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lib.defineCMacro("HAVE_MEMSET_S", "1");
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lib.defineCMacro("HAVE_MLOCK", "1");
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lib.defineCMacro("HAVE_MMAP", "1");
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lib.defineCMacro("HAVE_MPROTECT", "1");
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lib.defineCMacro("HAVE_NANOSLEEP", "1");
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lib.defineCMacro("HAVE_POSIX_MEMALIGN", "1");
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lib.defineCMacro("HAVE_PTHREAD", "1");
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lib.defineCMacro("HAVE_PTHREAD_PRIO_INHERIT", "1");
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lib.defineCMacro("HAVE_RAISE", "1");
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lib.defineCMacro("HAVE_SYSCONF", "1");
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lib.defineCMacro("HAVE_SYS_MMAN_H", "1");
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lib.defineCMacro("HAVE_SYS_PARAM_H", "1");
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lib.defineCMacro("HAVE_SYS_RANDOM_H", "1");
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lib.defineCMacro("HAVE_WEAK_SYMBOLS", "1");
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},
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.wasi => {
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lib.defineCMacro("HAVE_ARC4RANDOM", "1");
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lib.defineCMacro("HAVE_ARC4RANDOM_BUF", "1");
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lib.defineCMacro("HAVE_CLOCK_GETTIME", "1");
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lib.defineCMacro("HAVE_GETENTROPY", "1");
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lib.defineCMacro("HAVE_NANOSLEEP", "1");
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lib.defineCMacro("HAVE_POSIX_MEMALIGN", "1");
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lib.defineCMacro("HAVE_SYS_AUXV_H", "1");
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lib.defineCMacro("HAVE_SYS_PARAM_H", "1");
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lib.defineCMacro("HAVE_SYS_RANDOM_H", "1");
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},
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else => {},
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}
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switch (target.getCpuArch()) {
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.x86_64 => {
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lib.defineCMacro("HAVE_AMD64_ASM", "1");
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lib.defineCMacro("HAVE_AVX_ASM", "1");
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lib.defineCMacro("HAVE_CPUID", "1");
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lib.defineCMacro("HAVE_MMINTRIN_H", "1");
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lib.defineCMacro("HAVE_EMMINTRIN_H", "1");
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lib.defineCMacro("HAVE_PMMINTRIN_H", "1");
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lib.defineCMacro("HAVE_SMMINTRIN_H", "1");
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lib.defineCMacro("HAVE_TMMINTRIN_H", "1");
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lib.defineCMacro("HAVE_WMMINTRIN_H", "1");
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},
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.aarch64, .aarch64_be => {
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const cpu_features = target.getCpuFeatures();
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const has_neon = cpu_features.isEnabled(@intFromEnum(Target.aarch64.Feature.neon));
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const has_crypto = cpu_features.isEnabled(@intFromEnum(Target.aarch64.Feature.crypto));
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if (has_neon and has_crypto) {
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lib.defineCMacro("HAVE_ARMCRYPTO", "1");
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}
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},
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.wasm32, .wasm64 => {
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lib.defineCMacro("__wasm__", "1");
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},
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else => {},
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}
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switch (target.getOsTag()) {
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.wasi => {
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lib.defineCMacro("__wasi__", "1");
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},
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else => {},
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}
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switch (target.getCpuArch()) {
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.x86_64 => {
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lib.target.cpu_features_add.addFeature(@intFromEnum(Target.x86.Feature.sse4_1));
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lib.target.cpu_features_add.addFeature(@intFromEnum(Target.x86.Feature.aes));
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lib.target.cpu_features_add.addFeature(@intFromEnum(Target.x86.Feature.pclmul));
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},
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else => {},
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}
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var allocator = heap.page_allocator;
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var walker = try src_dir.walk(allocator);
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while (try walker.next()) |entry| {
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const name = entry.basename;
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if (mem.endsWith(u8, name, ".c")) {
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const full_path = try fmt.allocPrint(allocator, "{s}/{s}", .{ src_path, entry.path });
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lib.addCSourceFiles(&.{full_path}, &.{
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"-fvisibility=hidden",
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"-fno-strict-aliasing",
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"-fno-strict-overflow",
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"-fwrapv",
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"-flax-vector-conversions",
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});
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} else if (mem.endsWith(u8, name, ".S")) {
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const full_path = try fmt.allocPrint(allocator, "{s}/{s}", .{ src_path, entry.path });
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lib.addAssemblyFile(.{ .path = full_path });
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}
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}
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}
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const test_path = "test/default";
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const out_bin_path = "zig-out/bin";
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const test_dir = try fs.Dir.openIterableDir(cwd, test_path, .{ .no_follow = true });
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fs.Dir.makePath(cwd, out_bin_path) catch {};
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const out_bin_dir = try fs.Dir.openDir(cwd, out_bin_path, .{});
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try test_dir.dir.copyFile("run.sh", out_bin_dir, "run.sh", .{});
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var allocator = heap.page_allocator;
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var walker = try test_dir.walk(allocator);
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if (build_tests) {
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while (try walker.next()) |entry| {
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const name = entry.basename;
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if (mem.endsWith(u8, name, ".exp")) {
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try test_dir.dir.copyFile(name, out_bin_dir, name, .{});
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continue;
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}
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if (!mem.endsWith(u8, name, ".c")) {
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continue;
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}
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const exe_name = name[0 .. name.len - 2];
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var exe = b.addExecutable(.{
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.name = exe_name,
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.target = target,
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.optimize = optimize,
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});
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exe.linkLibC();
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exe.strip = true;
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exe.linkLibrary(static_lib);
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exe.addIncludePath(.{ .path = "src/libsodium/include" });
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exe.addIncludePath(.{ .path = "test/quirks" });
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const full_path = try fmt.allocPrint(allocator, "{s}/{s}", .{ test_path, entry.path });
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exe.addCSourceFiles(&.{full_path}, &.{});
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if (enable_benchmarks) {
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exe.defineCMacro("BENCHMARKS", "1");
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var buf: [16]u8 = undefined;
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exe.defineCMacro("ITERATIONS", std.fmt.bufPrintIntToSlice(&buf, benchmarks_iterations, 10, .lower, .{}));
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}
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b.installArtifact(exe);
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}
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}
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}
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