libsodium/build.zig
2022-06-07 17:36:00 +02:00

92 lines
3.2 KiB
Zig

const std = @import("std");
const builtin = @import("builtin");
const fmt = std.fmt;
const fs = std.fs;
const heap = std.heap;
const mem = std.mem;
const LibExeObjStep = std.build.LibExeObjStep;
pub fn build(b: *std.build.Builder) !void {
const src_path = "src/libsodium";
const src_dir = try fs.Dir.openDir(fs.cwd(), src_path, .{ .iterate = true, .no_follow = true });
var target = b.standardTargetOptions(.{});
var mode = b.standardReleaseOptions();
const static = b.addStaticLibrary("sodium", null);
const shared = b.addSharedLibrary("sodium", null, .unversioned);
shared.strip = true;
static.strip = true;
const libs = [_]*LibExeObjStep{ static, shared };
const prebuilt_version_file_path = "builds/msvc/version.h";
const version_file_path = "include/sodium/version.h";
if (src_dir.access(version_file_path, .{ .mode = .read_only })) {} else |_| {
try fs.cwd().copyFile(prebuilt_version_file_path, src_dir, version_file_path, .{});
}
for (libs) |lib| {
lib.setTarget(target);
lib.setBuildMode(mode);
lib.install();
if (mode != .Debug) {
lib.strip = true;
}
lib.linkLibC();
lib.addIncludeDir("src/libsodium/include/sodium");
lib.defineCMacro("CONFIGURED", "1");
lib.defineCMacro("DEV_MODE", "1");
lib.defineCMacro("_GNU_SOURCE", "1");
lib.defineCMacro("HAVE_INLINE_ASM", "1");
lib.defineCMacro("HAVE_TI_MODE", "1");
lib.defineCMacro("HAVE_ATOMIC_OPS", "1");
switch (target.getCpuArch()) {
.x86_64 => {
lib.defineCMacro("HAVE_AMD64_ASM", "1");
lib.defineCMacro("HAVE_AVX_ASM", "1");
lib.defineCMacro("HAVE_CPUID", "1");
lib.defineCMacro("HAVE_MMINTRIN_H", "1");
lib.defineCMacro("HAVE_EMMINTRIN_H", "1");
lib.defineCMacro("HAVE_PMMINTRIN_H", "1");
},
.aarch64, .aarch64_be => {
lib.defineCMacro("HAVE_ARMCRYTO", "1");
},
.wasm32, .wasm64 => {
lib.defineCMacro("__wasm__", "1");
},
else => {},
}
switch (target.getOsTag()) {
.wasi => {
lib.defineCMacro("__wasi__", "1");
},
else => {},
}
var allocator = heap.page_allocator;
var walker = try src_dir.walk(allocator);
while (try walker.next()) |entry| {
const name = entry.basename;
if (mem.endsWith(u8, name, ".c")) {
const full_path = try fmt.allocPrint(allocator, "{s}/{s}", .{ src_path, entry.path });
lib.addCSourceFiles(&.{full_path}, &.{
"-fvisibility=hidden",
"-fno-strict-aliasing",
"-fno-strict-overflow",
"-fwrapv",
"-flax-vector-conversions",
});
} else if (mem.endsWith(u8, name, ".S")) {
const full_path = try fmt.allocPrint(allocator, "{s}/{s}", .{ src_path, entry.path });
lib.addAssemblyFile(full_path);
}
}
}
}