const std = @import("std"); const builtin = @import("builtin"); const Builder = @import("std").Build; const models_subdir = "codegen/sdk-codegen/aws-models/"; // note will probably not work on windows const test_targets = [_]std.Target.Query{ .{}, // native .{ .cpu_arch = .x86_64, .os_tag = .linux, }, .{ .cpu_arch = .aarch64, .os_tag = .linux, }, // The test executable linking process just spins forever in LLVM using nominated zig 0.13 May 2024 // This is likely a LLVM problem unlikely to be fixed in zig 0.13 // Potentially this issue: https://github.com/llvm/llvm-project/issues/81440 // Zig tracker: https://github.com/ziglang/zig/issues/18872 // .{ // .cpu_arch = .riscv64, // .os_tag = .linux, // }, .{ .cpu_arch = .arm, .os_tag = .linux, }, .{ .cpu_arch = .x86_64, .os_tag = .windows, }, .{ .cpu_arch = .aarch64, .os_tag = .macos, }, .{ .cpu_arch = .x86_64, .os_tag = .macos, }, // .{ // .cpu_arch = .wasm32, // .os_tag = .wasi, // }, }; pub fn build(b: *Builder) !void { // Standard target options allows the person running `zig build` to choose // what target to build for. Here we do not override the defaults, which // means any target is allowed, and the default is native. Other options // for restricting supported target set are available. const target = b.standardTargetOptions(.{}); // Standard release options allow the person running `zig build` to select // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. const optimize = b.standardOptimizeOption(.{}); const broken_windows = b.option( bool, "broken-windows", "Windows is broken in this environment (do not run Windows tests)", ) orelse false; // TODO: Embed the current git version in the code. We can do this // by looking for .git/HEAD (if it exists, follow the ref to /ref/heads/whatevs, // grab that commit, and use b.addOptions/exe.addOptions to generate the // Options file. See https://github.com/ziglang/zig/issues/14979 for usage // example. // // From there, I'm not sure what the generated file looks like or quite how // to use, but that should be easy. It may also give some ideas on the // code gen piece itself, though it might be nice to leave as a seperate // executable // TODO: This executable should not be built when importing as a package. // It relies on code gen and is all fouled up when getting imported const exe = b.addExecutable(.{ .name = "demo", .root_source_file = b.path("src/main.zig"), .target = target, .optimize = optimize, }); const smithy_dep = b.dependency("smithy", .{ // These are the arguments to the dependency. It expects a target and optimization level. .target = target, .optimize = optimize, }); const smithy_module = smithy_dep.module("smithy"); exe.root_module.addImport("smithy", smithy_module); // not sure this should be here... // Expose module to others _ = b.addModule("aws", .{ .root_source_file = b.path("src/aws.zig"), .imports = &.{.{ .name = "smithy", .module = smithy_module }}, }); // Expose module to others _ = b.addModule("aws-signing", .{ .root_source_file = b.path("src/aws_signing.zig"), .imports = &.{.{ .name = "smithy", .module = smithy_module }}, }); // TODO: This does not work correctly due to https://github.com/ziglang/zig/issues/16354 // // We are working here with kind of a weird dependency though. So we can do this // another way // // TODO: These target/optimize are not correct, as we need to run the thing // const codegen = b.anonymousDependency("codegen/", @import("codegen/build.zig"), .{ // .target = target, // .optimize = optimize, // }); // const codegen_cmd = b.addRunArtifact(codegen.artifact("codegen")); // exe.step.dependOn(&codegen_cmd.step); const run_cmd = b.addRunArtifact(exe); run_cmd.step.dependOn(b.getInstallStep()); if (b.args) |args| { run_cmd.addArgs(args); } const run_step = b.step("run", "Run the app"); run_step.dependOn(&run_cmd.step); const gen_step = blk: { const cg = b.step("gen", "Generate zig service code from smithy models"); const cg_exe = b.addExecutable(.{ .name = "codegen", .root_source_file = b.path("codegen/src/main.zig"), // We need this generated for the host, not the real target .target = b.host, .optimize = if (b.verbose) .Debug else .ReleaseSafe, }); cg_exe.root_module.addImport("smithy", smithy_dep.module("smithy")); var cg_cmd = b.addRunArtifact(cg_exe); cg_cmd.addArg("--models"); const hash = hash_blk: { for (b.available_deps) |dep| { const dep_name = dep.@"0"; const dep_hash = dep.@"1"; if (std.mem.eql(u8, dep_name, "models")) break :hash_blk dep_hash; } return error.DependencyNamedModelsNotFoundInBuildZigZon; }; cg_cmd.addArg(try std.fs.path.join( b.allocator, &[_][]const u8{ b.graph.global_cache_root.path.?, "p", hash, models_subdir, }, )); cg_cmd.addArg("--output"); cg_cmd.addDirectoryArg(b.path("src/models")); if (b.verbose) cg_cmd.addArg("--verbose"); // cg_cmd.step.dependOn(&fetch_step.step); // TODO: this should use zig_exe from std.Build // codegen should store a hash in a comment // this would be hash of the exe that created the file // concatenated with hash of input json. this would // allow skipping generated files. May not include hash // of contents of output file as maybe we want to tweak // manually?? // // All the hashes can be in service_manifest.zig, which // could be fun to just parse and go nuts. Top of // file, generator exe hash. Each import has comment // with both input and output hash and we can decide // later about warning on manual changes... cg.dependOn(&cg_cmd.step); break :blk cg; }; exe.step.dependOn(gen_step); // Similar to creating the run step earlier, this exposes a `test` step to // the `zig build --help` menu, providing a way for the user to request // running the unit tests. const test_step = b.step("test", "Run unit tests"); // // Creates a step for unit testing. This only builds the test executable // // but does not run it. // const unit_tests = b.addTest(.{ // .root_source_file = .{ .path = "src/aws.zig" }, // .target = target, // .optimize = optimize, // }); // unit_tests.root_module.addImport("smithy", smithy_dep.module("smithy")); // unit_tests.step.dependOn(gen_step); // // const run_unit_tests = b.addRunArtifact(unit_tests); // run_unit_tests.skip_foreign_checks = true; // test_step.dependOn(&run_unit_tests.step); for (test_targets) |t| { if (broken_windows and t.os_tag == .windows) continue; // Creates a step for unit testing. This only builds the test executable // but does not run it. const unit_tests = b.addTest(.{ .root_source_file = b.path("src/aws.zig"), .target = b.resolveTargetQuery(t), .optimize = optimize, }); unit_tests.root_module.addImport("smithy", smithy_dep.module("smithy")); unit_tests.step.dependOn(gen_step); const run_unit_tests = b.addRunArtifact(unit_tests); run_unit_tests.skip_foreign_checks = true; test_step.dependOn(&run_unit_tests.step); } b.installArtifact(exe); }