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sysaudio: prepare to use via package manager

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2023-07-06 22:28:28 -07:00
parent ac811a7d89
commit ee484e83ac
3 changed files with 97 additions and 99 deletions
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98
libs/sysaudio/build.zig
View file

@ -1,10 +1,9 @@
const std = @import("std");
const sysaudio_sdk = @import("sdk.zig");
pub fn build(b: *std.Build) void {
const optimize = b.standardOptimizeOption(.{});
const target = b.standardTargetOptions(.{});
const sysaudio = sysaudio_sdk.Sdk(.{
const sysaudio = Sdk(.{
// TODO(build-system): This cannot be imported with the Zig package manager
// error: TarUnsupportedFileType
.xcode_frameworks = @import("libs/xcode-frameworks/build.zig"),
@ -39,3 +38,98 @@ pub fn build(b: *std.Build) void {
example_run_step.dependOn(&example_run_cmd.step);
}
}
pub fn Sdk(comptime deps: anytype) type {
return struct {
pub const Options = struct {
install_libs: bool = false,
};
var _module: ?*std.build.Module = null;
pub fn module(b: *std.Build, optimize: std.builtin.OptimizeMode, target: std.zig.CrossTarget) *std.build.Module {
if (_module) |m| return m;
if (target.getCpuArch() == .wasm32) {
const sysjs_dep = b.dependency("mach_sysjs", .{
.target = target,
.optimize = optimize,
});
_module = b.createModule(.{
.source_file = .{ .path = sdkPath("/src/main.zig") },
.dependencies = &.{
.{ .name = "sysjs", .module = sysjs_dep.module("mach-sysjs") },
},
});
} else {
_module = b.createModule(.{
.source_file = .{ .path = sdkPath("/src/main.zig") },
});
}
return _module.?;
}
pub fn testStep(b: *std.Build, optimize: std.builtin.OptimizeMode, target: std.zig.CrossTarget) *std.build.RunStep {
const main_tests = b.addTest(.{
.name = "sysaudio-tests",
.root_source_file = .{ .path = sdkPath("/src/main.zig") },
.target = target,
.optimize = optimize,
});
link(b, main_tests, .{});
b.installArtifact(main_tests);
return b.addRunArtifact(main_tests);
}
pub fn link(b: *std.Build, step: *std.build.CompileStep, options: Options) void {
if (step.target.toTarget().cpu.arch != .wasm32) {
if (step.target.toTarget().isDarwin()) {
// TODO(build-system): This cannot be imported with the Zig package manager
// error: TarUnsupportedFileType
//
// step.linkLibrary(b.dependency("xcode_frameworks", .{
// .target = step.target,
// .optimize = step.optimize,
// }).artifact("xcode-frameworks"));
// @import("xcode_frameworks").addPaths(step);
deps.xcode_frameworks.addPaths(step);
step.linkFramework("AudioToolbox");
step.linkFramework("CoreFoundation");
step.linkFramework("CoreAudio");
} else if (step.target.toTarget().os.tag == .linux) {
step.linkLibrary(b.dependency("linux_audio_headers", .{
.target = step.target,
.optimize = step.optimize,
}).artifact("linux-audio-headers"));
step.addCSourceFile(sdkPath("/src/pipewire/sysaudio.c"), &.{"-std=gnu99"});
step.linkLibC();
}
}
if (options.install_libs) {
b.installArtifact(step);
}
}
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;
};
}
};
}

96
libs/sysaudio/sdk.zig
View file

@ -1,96 +0,0 @@
const std = @import("std");
pub fn Sdk(comptime deps: anytype) type {
return struct {
pub const Options = struct {
install_libs: bool = false,
};
var _module: ?*std.build.Module = null;
pub fn module(b: *std.Build, optimize: std.builtin.OptimizeMode, target: std.zig.CrossTarget) *std.build.Module {
if (_module) |m| return m;
if (target.getCpuArch() == .wasm32) {
const sysjs_dep = b.dependency("mach_sysjs", .{
.target = target,
.optimize = optimize,
});
_module = b.createModule(.{
.source_file = .{ .path = sdkPath("/src/main.zig") },
.dependencies = &.{
.{ .name = "sysjs", .module = sysjs_dep.module("mach-sysjs") },
},
});
} else {
_module = b.createModule(.{
.source_file = .{ .path = sdkPath("/src/main.zig") },
});
}
return _module.?;
}
pub fn testStep(b: *std.Build, optimize: std.builtin.OptimizeMode, target: std.zig.CrossTarget) *std.build.RunStep {
const main_tests = b.addTest(.{
.name = "sysaudio-tests",
.root_source_file = .{ .path = sdkPath("/src/main.zig") },
.target = target,
.optimize = optimize,
});
link(b, main_tests, .{});
b.installArtifact(main_tests);
return b.addRunArtifact(main_tests);
}
pub fn link(b: *std.Build, step: *std.build.CompileStep, options: Options) void {
if (step.target.toTarget().cpu.arch != .wasm32) {
if (step.target.toTarget().isDarwin()) {
// TODO(build-system): This cannot be imported with the Zig package manager
// error: TarUnsupportedFileType
//
// step.linkLibrary(b.dependency("xcode_frameworks", .{
// .target = step.target,
// .optimize = step.optimize,
// }).artifact("xcode-frameworks"));
// @import("xcode_frameworks").addPaths(step);
deps.xcode_frameworks.addPaths(step);
step.linkFramework("AudioToolbox");
step.linkFramework("CoreFoundation");
step.linkFramework("CoreAudio");
} else if (step.target.toTarget().os.tag == .linux) {
step.linkLibrary(b.dependency("linux_audio_headers", .{
.target = step.target,
.optimize = step.optimize,
}).artifact("linux-audio-headers"));
step.addCSourceFile(sdkPath("/src/pipewire/sysaudio.c"), &.{"-std=gnu99"});
step.linkLibC();
}
}
if (options.install_libs) {
b.installArtifact(step);
}
}
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;
};
}
};
}