mach/libs/sysaudio/sdk.zig
2023-01-20 14:53:22 -07:00

67 lines
2.7 KiB
Zig

const std = @import("std");
pub fn Sdk(comptime deps: anytype) type {
return struct {
pub const pkg = std.build.Pkg{
.name = "sysaudio",
.source = .{ .path = sdkPath("/src/main.zig") },
.dependencies = &.{deps.sysjs.pkg},
};
pub const Options = struct {
install_libs: bool = false,
/// System SDK options.
system_sdk: deps.system_sdk.Options = .{},
};
pub fn testStep(b: *std.build.Builder, mode: std.builtin.Mode, target: std.zig.CrossTarget) *std.build.RunStep {
const main_tests = b.addTestExe("sysaudio-tests", sdkPath("/src/main.zig"));
main_tests.setBuildMode(mode);
main_tests.setTarget(target);
link(b, main_tests, .{});
main_tests.install();
return main_tests.run();
}
pub fn link(b: *std.build.Builder, step: *std.build.LibExeObjStep, options: Options) void {
if (step.target.toTarget().cpu.arch != .wasm32) {
// TODO(build-system): pass system SDK options through
deps.system_sdk.include(b, step, .{});
if (step.target.toTarget().isDarwin()) {
step.linkFramework("AudioToolbox");
step.linkFramework("CoreFoundation");
step.linkFramework("CoreAudio");
} else if (step.target.toTarget().os.tag == .linux) {
step.addCSourceFile(sdkPath("/src/pipewire/sysaudio.c"), &.{"-std=gnu99"});
step.linkSystemLibrary("pipewire-0.3");
step.linkLibC();
}
}
if (options.install_libs) {
step.install();
}
}
fn ensureDependencySubmodule(allocator: std.mem.Allocator, path: []const u8) !void {
if (std.process.getEnvVarOwned(allocator, "NO_ENSURE_SUBMODULES")) |no_ensure_submodules| {
defer allocator.free(no_ensure_submodules);
if (std.mem.eql(u8, no_ensure_submodules, "true")) return;
} else |_| {}
var child = std.ChildProcess.init(&.{ "git", "submodule", "update", "--init", path }, allocator);
child.cwd = sdkPath("/");
child.stderr = std.io.getStdErr();
child.stdout = std.io.getStdOut();
_ = try child.spawnAndWait();
}
fn sdkPath(comptime suffix: []const u8) []const u8 {
if (suffix[0] != '/') @compileError("suffix must be an absolute path");
return comptime blk: {
const root_dir = std.fs.path.dirname(@src().file) orelse ".";
break :blk root_dir ++ suffix;
};
}
};
}