build: use lazy dependencies
Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst
Stephen Gutekanst
parent
51f5721f8b
commit
c26d9a40d1
2 changed files with 191 additions and 250 deletions
414
build.zig
414
build.zig
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@ -44,16 +44,24 @@ pub const SysgpuBackend = enum {
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pub fn build(b: *std.Build) !void {
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const optimize = b.standardOptimizeOption(.{});
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const target = b.standardTargetOptions(.{});
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const core_deps = b.option(bool, "core", "build core specifically");
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const sysaudio_deps = b.option(bool, "sysaudio", "build sysaudio specifically");
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const sysgpu_deps = b.option(bool, "sysgpu", "build sysgpu specifically");
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const sysgpu_backend = b.option(SysgpuBackend, "sysgpu_backend", "sysgpu API backend") orelse .default;
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const core_platform = b.option(CoreApp.Platform, "core_platform", "mach core platform to use") orelse CoreApp.Platform.fromTarget(target.result);
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const want_mach = core_deps == null and sysaudio_deps == null and sysgpu_deps == null;
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const want_core = want_mach or (core_deps orelse false);
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const want_sysaudio = want_mach or (sysaudio_deps orelse false);
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const want_sysgpu = want_mach or want_core or (sysgpu_deps orelse false);
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const build_examples = b.option(bool, "examples", "build/install examples specifically");
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const build_libs = b.option(bool, "libs", "build/install libraries specifically");
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const build_mach = b.option(bool, "mach", "build mach specifically");
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const build_core = b.option(bool, "core", "build core specifically");
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const build_sysaudio = b.option(bool, "sysaudio", "build sysaudio specifically");
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const build_sysgpu = b.option(bool, "sysgpu", "build sysgpu specifically");
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const build_all = build_examples == null and build_libs == null and build_mach == null and build_core == null and build_sysaudio == null and build_sysgpu == null;
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const want_examples = build_all or (build_examples orelse false);
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const want_libs = build_all or (build_libs orelse false);
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const want_mach = build_all or (build_mach orelse false);
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const want_core = build_all or (build_core orelse false);
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const want_sysaudio = build_all or (build_sysaudio orelse false);
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const want_sysgpu = build_all or want_core or (build_sysgpu orelse false);
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const build_options = b.addOptions();
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build_options.addOption(bool, "want_mach", want_mach);
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@ -92,7 +100,7 @@ pub fn build(b: *std.Build) !void {
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}
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if (b.lazyDependency("font_assets", .{})) |dep| module.addImport("font-assets", dep.module("font-assets"));
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try buildExamples(b, optimize, target, module);
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if (want_examples) try buildExamples(b, optimize, target, module);
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}
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if (want_core) {
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if (target.result.cpu.arch != .wasm32) {
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@ -134,34 +142,36 @@ pub fn build(b: *std.Build) !void {
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lib.linkLibrary(dep.artifact("wayland-headers"));
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}
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}
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try buildCoreExamples(b, optimize, target, module, core_platform);
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if (want_examples) try buildCoreExamples(b, optimize, target, module, core_platform);
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}
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if (want_sysaudio) {
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// Can build sysaudio examples if desired, then.
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if (target.result.cpu.arch != .wasm32) {
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inline for ([_][]const u8{
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"sine",
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"record",
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}) |example| {
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const example_exe = b.addExecutable(.{
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.name = "sysaudio-" ++ example,
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.root_source_file = .{ .path = "src/sysaudio/examples/" ++ example ++ ".zig" },
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.target = target,
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.optimize = optimize,
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});
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example_exe.root_module.addImport("mach", module);
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addPaths(&example_exe.root_module);
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b.installArtifact(example_exe);
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if (want_examples) {
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inline for ([_][]const u8{
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"sine",
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"record",
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}) |example| {
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const example_exe = b.addExecutable(.{
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.name = "sysaudio-" ++ example,
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.root_source_file = .{ .path = "src/sysaudio/examples/" ++ example ++ ".zig" },
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.target = target,
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.optimize = optimize,
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});
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example_exe.root_module.addImport("mach", module);
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addPaths(&example_exe.root_module);
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// b.installArtifact(example_exe);
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const example_compile_step = b.step("sysaudio-" ++ example, "Compile 'sysaudio-" ++ example ++ "' example");
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example_compile_step.dependOn(b.getInstallStep());
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const example_compile_step = b.step("sysaudio-" ++ example, "Compile 'sysaudio-" ++ example ++ "' example");
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example_compile_step.dependOn(b.getInstallStep());
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const example_run_cmd = b.addRunArtifact(example_exe);
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example_run_cmd.step.dependOn(b.getInstallStep());
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if (b.args) |args| example_run_cmd.addArgs(args);
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const example_run_cmd = b.addRunArtifact(example_exe);
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example_run_cmd.step.dependOn(b.getInstallStep());
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if (b.args) |args| example_run_cmd.addArgs(args);
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const example_run_step = b.step("run-sysaudio-" ++ example, "Run '" ++ example ++ "' example");
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example_run_step.dependOn(&example_run_cmd.step);
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const example_run_step = b.step("run-sysaudio-" ++ example, "Run '" ++ example ++ "' example");
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example_run_step.dependOn(&example_run_cmd.step);
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}
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}
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if (b.lazyDependency("mach_objc", .{
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.target = target,
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@ -224,49 +234,59 @@ pub fn build(b: *std.Build) !void {
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})) |dep| module.addImport("objc", dep.module("mach-objc"));
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linkSysgpu(b, module);
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const lib = b.addStaticLibrary(.{
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.name = "mach-sysgpu",
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.root_source_file = b.addWriteFiles().add("empty.c", ""),
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.target = target,
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.optimize = optimize,
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});
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var iter = module.import_table.iterator();
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while (iter.next()) |e| {
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lib.root_module.addImport(e.key_ptr.*, e.value_ptr.*);
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if (want_libs) {
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const lib = b.addStaticLibrary(.{
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.name = "mach-sysgpu",
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.root_source_file = b.addWriteFiles().add("empty.c", ""),
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.target = target,
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.optimize = optimize,
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});
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var iter = module.import_table.iterator();
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while (iter.next()) |e| {
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lib.root_module.addImport(e.key_ptr.*, e.value_ptr.*);
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}
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linkSysgpu(b, &lib.root_module);
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addPaths(&lib.root_module);
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b.installArtifact(lib);
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}
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linkSysgpu(b, &lib.root_module);
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addPaths(&lib.root_module);
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b.installArtifact(lib);
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}
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if (true) { // want_gpu
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const gpu_dawn = @import("mach_gpu_dawn");
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gpu_dawn.addPathsToModule(b, module, .{});
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module.addIncludePath(.{ .path = sdkPath("/src/gpu") });
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const example_exe = b.addExecutable(.{
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.name = "dawn-gpu-hello-triangle",
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.root_source_file = .{ .path = "src/gpu/example/main.zig" },
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if (b.lazyDependency("mach_gpu_dawn", .{
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.target = target,
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.optimize = optimize,
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});
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example_exe.root_module.addImport("mach", module);
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link(b, example_exe, &example_exe.root_module);
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})) |dep| {
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_ = dep;
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const gpu_dawn = @import("mach_gpu_dawn");
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gpu_dawn.addPathsToModule(b, module, .{});
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module.addIncludePath(.{ .path = sdkPath("/src/gpu") });
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}
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if (b.lazyDependency("mach_glfw", .{
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.target = target,
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.optimize = optimize,
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})) |dep| example_exe.root_module.addImport("mach-glfw", dep.module("mach-glfw"));
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if (want_examples) {
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const example_exe = b.addExecutable(.{
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.name = "dawn-gpu-hello-triangle",
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.root_source_file = .{ .path = "src/gpu/example/main.zig" },
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.target = target,
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.optimize = optimize,
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});
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example_exe.root_module.addImport("mach", module);
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link(b, example_exe, &example_exe.root_module);
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const example_compile_step = b.step("dawn-gpu-hello-triangle", "Install 'dawn-gpu-hello-triangle'");
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example_compile_step.dependOn(b.getInstallStep());
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if (b.lazyDependency("mach_glfw", .{
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.target = target,
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.optimize = optimize,
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})) |dep| example_exe.root_module.addImport("mach-glfw", dep.module("mach-glfw"));
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const example_run_cmd = b.addRunArtifact(example_exe);
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example_run_cmd.step.dependOn(b.getInstallStep());
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if (b.args) |args| example_run_cmd.addArgs(args);
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const example_compile_step = b.step("dawn-gpu-hello-triangle", "Install 'dawn-gpu-hello-triangle'");
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example_compile_step.dependOn(b.getInstallStep());
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const example_run_step = b.step("run-dawn-gpu-hello-triangle", "Run 'dawn-gpu-hello-triangle' example");
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example_run_step.dependOn(&example_run_cmd.step);
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const example_run_cmd = b.addRunArtifact(example_exe);
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example_run_cmd.step.dependOn(b.getInstallStep());
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if (b.args) |args| example_run_cmd.addArgs(args);
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const example_run_step = b.step("run-dawn-gpu-hello-triangle", "Run 'dawn-gpu-hello-triangle' example");
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example_run_step.dependOn(&example_run_cmd.step);
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}
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}
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if (target.result.cpu.arch != .wasm32) {
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@ -441,23 +461,26 @@ pub const CoreApp = struct {
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pub fn link(mach_builder: *std.Build, step: *std.Build.Step.Compile, mod: *std.Build.Module) void {
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const target = mod.resolved_target.?.result;
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if (target.cpu.arch != .wasm32) {
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const gpu_dawn = @import("mach_gpu_dawn");
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const Options = struct {
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gpu_dawn_options: gpu_dawn.Options = .{},
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};
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const options: Options = .{};
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if (mach_builder.lazyDependency("mach_gpu_dawn", .{
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.target = step.root_module.resolved_target.?,
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.optimize = step.root_module.optimize.?,
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})) |dep| {
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_ = dep;
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const gpu_dawn = @import("mach_gpu_dawn");
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const Options = struct {
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gpu_dawn_options: gpu_dawn.Options = .{},
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};
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const options: Options = .{};
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gpu_dawn.link(
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mach_builder.dependency("mach_gpu_dawn", .{
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.target = step.root_module.resolved_target.?,
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.optimize = step.root_module.optimize.?,
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}).builder,
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step,
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mod,
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options.gpu_dawn_options,
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);
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step.addCSourceFile(.{ .file = .{ .path = sdkPath("/src/gpu/mach_dawn.cpp") }, .flags = &.{"-std=c++17"} });
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step.addIncludePath(.{ .path = sdkPath("/src/gpu") });
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gpu_dawn.link(
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mach_builder,
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step,
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mod,
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options.gpu_dawn_options,
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);
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step.addCSourceFile(.{ .file = .{ .path = sdkPath("/src/gpu/mach_dawn.cpp") }, .flags = &.{"-std=c++17"} });
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step.addIncludePath(.{ .path = sdkPath("/src/gpu") });
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}
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}
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}
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@ -527,49 +550,11 @@ fn buildExamples(
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target: std.Build.ResolvedTarget,
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mach_mod: *std.Build.Module,
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) !void {
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try ensureDependencies(b.allocator);
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const Dependency = enum {
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assets,
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model3d,
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freetype,
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zigimg,
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pub fn dependency(
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dep: @This(),
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b2: *std.Build,
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target2: std.Build.ResolvedTarget,
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optimize2: std.builtin.OptimizeMode,
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) std.Build.Module.Import {
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const path = switch (dep) {
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.zigimg => "src/core/examples/libs/zigimg/zigimg.zig",
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.assets => return std.Build.Module.Import{
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.name = "assets",
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.module = b2.dependency("mach_example_assets", .{
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.target = target2,
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.optimize = optimize2,
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}).module("mach-example-assets"),
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},
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.model3d => return std.Build.Module.Import{
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.name = "model3d",
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.module = b2.dependency("mach_model3d", .{
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.target = target2,
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.optimize = optimize2,
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}).module("mach-model3d"),
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},
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.freetype => return std.Build.Module.Import{
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.name = "freetype",
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.module = b2.dependency("mach_freetype", .{
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.target = target2,
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.optimize = optimize2,
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}).module("mach-freetype"),
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},
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};
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return std.Build.Module.Import{
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.name = @tagName(dep),
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.module = b2.createModule(.{ .root_source_file = .{ .path = path } }),
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};
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}
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};
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for ([_]struct {
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@ -607,8 +592,32 @@ fn buildExamples(
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b.installArtifact(exe);
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for (example.deps) |d| {
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const dep = d.dependency(b, target, optimize);
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exe.root_module.addImport(dep.name, dep.module);
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switch (d) {
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.assets => {
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if (b.lazyDependency("mach_example_assets", .{
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.target = target,
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.optimize = optimize,
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})) |dep| exe.root_module.addImport("assets", dep.module("mach-example-assets"));
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},
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.model3d => {
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if (b.lazyDependency("mach_model3d", .{
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.target = target,
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.optimize = optimize,
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})) |dep| exe.root_module.addImport("model3d", dep.module("mach-model3d"));
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},
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.freetype => {
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if (b.lazyDependency("mach_freetype", .{
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.target = target,
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.optimize = optimize,
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})) |dep| exe.root_module.addImport("freetype", dep.module("mach-freetype"));
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},
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.zigimg => {
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if (b.lazyDependency("zigimg", .{
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.target = target,
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.optimize = optimize,
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})) |dep| exe.root_module.addImport("zigimg", dep.module("zigimg"));
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},
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}
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}
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const compile_step = b.step(example.name, b.fmt("Compile {s}", .{example.name}));
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@ -630,41 +639,11 @@ fn buildCoreExamples(
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mach_mod: *std.Build.Module,
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platform: CoreApp.Platform,
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) !void {
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try ensureDependencies(b.allocator);
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const Dependency = enum {
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zigimg,
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model3d,
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assets,
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pub fn dependency(
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dep: @This(),
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b2: *std.Build,
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target2: std.Build.ResolvedTarget,
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optimize2: std.builtin.OptimizeMode,
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) std.Build.Module.Import {
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const path = switch (dep) {
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.zigimg => "src/core/examples/libs/zigimg/zigimg.zig",
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.assets => return std.Build.Module.Import{
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.name = "assets",
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.module = b2.dependency("mach_example_assets", .{
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.target = target2,
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.optimize = optimize2,
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}).module("mach-example-assets"),
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},
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.model3d => return std.Build.Module.Import{
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.name = "model3d",
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.module = b2.dependency("mach_model3d", .{
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.target = target2,
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.optimize = optimize2,
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}).module("mach-model3d"),
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},
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};
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return std.Build.Module.Import{
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.name = @tagName(dep),
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.module = b2.createModule(.{ .root_source_file = .{ .path = path } }),
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};
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}
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zmath,
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};
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inline for ([_]struct {
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@ -737,14 +716,6 @@ fn buildCoreExamples(
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if (target.result.cpu.arch == .wasm32)
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break;
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var deps = std.ArrayList(std.Build.Module.Import).init(b.allocator);
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try deps.append(std.Build.Module.Import{
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.name = "zmath",
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.module = b.createModule(.{
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.root_source_file = .{ .path = "src/core/examples/zmath.zig" },
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}),
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});
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for (example.deps) |d| try deps.append(d.dependency(b, target, optimize));
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const cmd_name = if (example.sysgpu) "sysgpu-" ++ example.name else example.name;
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const app = try CoreApp.init(
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b,
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@ -757,7 +728,6 @@ fn buildCoreExamples(
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"src/core/examples/" ++ example.name ++ "/main.zig",
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.target = target,
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.optimize = optimize,
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.deps = deps.items,
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.watch_paths = if (example.sysgpu)
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&.{"src/core/examples/sysgpu/" ++ example.name}
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else
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@ -767,13 +737,42 @@ fn buildCoreExamples(
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},
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);
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for (example.deps) |dep| switch (dep) {
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.model3d => if (b.lazyDependency("mach_model3d", .{
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.target = target,
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.optimize = optimize,
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})) |d| app.compile.linkLibrary(d.artifact("mach-model3d")),
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else => {},
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};
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// for (example.deps) |dep| switch (dep) {
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// .model3d => if (b.lazyDependency("mach_model3d", .{
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// .target = target,
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// .optimize = optimize,
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// })) |d| app.compile.linkLibrary(d.artifact("mach-model3d")),
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// else => {},
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// };
|
||||
|
||||
for (example.deps) |d| {
|
||||
switch (d) {
|
||||
.zigimg => {
|
||||
if (b.lazyDependency("zigimg", .{
|
||||
.target = target,
|
||||
.optimize = optimize,
|
||||
})) |dep| app.compile.root_module.addImport("zigimg", dep.module("zigimg"));
|
||||
},
|
||||
.model3d => {
|
||||
if (b.lazyDependency("mach_model3d", .{
|
||||
.target = target,
|
||||
.optimize = optimize,
|
||||
})) |dep| app.compile.root_module.addImport("model3d", dep.module("mach-model3d"));
|
||||
},
|
||||
.assets => {
|
||||
if (b.lazyDependency("mach_example_assets", .{
|
||||
.target = target,
|
||||
.optimize = optimize,
|
||||
})) |dep| app.compile.root_module.addImport("assets", dep.module("mach-example-assets"));
|
||||
},
|
||||
.zmath => {
|
||||
const zmath = b.createModule(.{
|
||||
.root_source_file = .{ .path = "src/core/examples/zmath.zig" },
|
||||
});
|
||||
app.compile.root_module.addImport("zmath", zmath);
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
const install_step = b.step("core-" ++ cmd_name, "Install core-" ++ cmd_name);
|
||||
install_step.dependOn(&app.install.step);
|
||||
|
|
@ -783,88 +782,3 @@ fn buildCoreExamples(
|
|||
run_step.dependOn(&app.run.step);
|
||||
}
|
||||
}
|
||||
|
||||
// TODO(Zig 2024.03): use b.lazyDependency
|
||||
fn ensureDependencies(allocator: std.mem.Allocator) !void {
|
||||
try optional_dependency.ensureGitRepoCloned(
|
||||
allocator,
|
||||
"https://github.com/slimsag/zigimg",
|
||||
"19a49a7e44fb4b1c22341dfbd6566019de742055",
|
||||
sdkPath("/src/core/examples/libs/zigimg"),
|
||||
);
|
||||
}
|
||||
|
||||
// TODO(Zig 2024.03): use b.lazyDependency
|
||||
const optional_dependency = struct {
|
||||
fn ensureGitRepoCloned(allocator: std.mem.Allocator, clone_url: []const u8, revision: []const u8, dir: []const u8) !void {
|
||||
if (xIsEnvVarTruthy(allocator, "NO_ENSURE_SUBMODULES") or xIsEnvVarTruthy(allocator, "NO_ENSURE_GIT")) {
|
||||
return;
|
||||
}
|
||||
|
||||
xEnsureGit(allocator);
|
||||
|
||||
if (std.fs.openDirAbsolute(dir, .{})) |_| {
|
||||
const current_revision = try xGetCurrentGitRevision(allocator, dir);
|
||||
if (!std.mem.eql(u8, current_revision, revision)) {
|
||||
// Reset to the desired revision
|
||||
xExec(allocator, &[_][]const u8{ "git", "fetch" }, dir) catch |err| std.debug.print("warning: failed to 'git fetch' in {s}: {s}\n", .{ dir, @errorName(err) });
|
||||
try xExec(allocator, &[_][]const u8{ "git", "checkout", "--quiet", "--force", revision }, dir);
|
||||
try xExec(allocator, &[_][]const u8{ "git", "submodule", "update", "--init", "--recursive" }, dir);
|
||||
}
|
||||
return;
|
||||
} else |err| return switch (err) {
|
||||
error.FileNotFound => {
|
||||
std.log.info("cloning required dependency..\ngit clone {s} {s}..\n", .{ clone_url, dir });
|
||||
|
||||
try xExec(allocator, &[_][]const u8{ "git", "clone", "-c", "core.longpaths=true", clone_url, dir }, ".");
|
||||
try xExec(allocator, &[_][]const u8{ "git", "checkout", "--quiet", "--force", revision }, dir);
|
||||
try xExec(allocator, &[_][]const u8{ "git", "submodule", "update", "--init", "--recursive" }, dir);
|
||||
return;
|
||||
},
|
||||
else => err,
|
||||
};
|
||||
}
|
||||
|
||||
fn xExec(allocator: std.mem.Allocator, argv: []const []const u8, cwd: []const u8) !void {
|
||||
var child = std.ChildProcess.init(argv, allocator);
|
||||
child.cwd = cwd;
|
||||
_ = try child.spawnAndWait();
|
||||
}
|
||||
|
||||
fn xGetCurrentGitRevision(allocator: std.mem.Allocator, cwd: []const u8) ![]const u8 {
|
||||
const result = try std.ChildProcess.run(.{ .allocator = allocator, .argv = &.{ "git", "rev-parse", "HEAD" }, .cwd = cwd });
|
||||
allocator.free(result.stderr);
|
||||
if (result.stdout.len > 0) return result.stdout[0 .. result.stdout.len - 1]; // trim newline
|
||||
return result.stdout;
|
||||
}
|
||||
|
||||
fn xEnsureGit(allocator: std.mem.Allocator) void {
|
||||
const argv = &[_][]const u8{ "git", "--version" };
|
||||
const result = std.ChildProcess.run(.{
|
||||
.allocator = allocator,
|
||||
.argv = argv,
|
||||
.cwd = ".",
|
||||
}) catch { // e.g. FileNotFound
|
||||
std.log.err("mach: error: 'git --version' failed. Is git not installed?", .{});
|
||||
std.process.exit(1);
|
||||
};
|
||||
defer {
|
||||
allocator.free(result.stderr);
|
||||
allocator.free(result.stdout);
|
||||
}
|
||||
if (result.term.Exited != 0) {
|
||||
std.log.err("mach: error: 'git --version' failed. Is git not installed?", .{});
|
||||
std.process.exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
fn xIsEnvVarTruthy(allocator: std.mem.Allocator, name: []const u8) bool {
|
||||
if (std.process.getEnvVarOwned(allocator, name)) |truthy| {
|
||||
defer allocator.free(truthy);
|
||||
if (std.mem.eql(u8, truthy, "true")) return true;
|
||||
return false;
|
||||
} else |_| {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue