const std = @import("std"); pub fn build(b: *std.build.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 mode = b.standardReleaseOptions(); const scan_protocols = ScanProtocolsStep.create(b); const exe = b.addExecutable("river", "src/main.zig"); exe.setTarget(target); exe.setBuildMode(mode); addDeps(exe, &scan_protocols.step); exe.install(); const run_cmd = exe.run(); run_cmd.step.dependOn(b.getInstallStep()); const run_step = b.step("run", "Run the compositor"); run_step.dependOn(&run_cmd.step); const test_exe = b.addTest("src/test_main.zig"); test_exe.setTarget(target); test_exe.setBuildMode(mode); addDeps(test_exe, &scan_protocols.step); const test_step = b.step("test", "Run the tests"); test_step.dependOn(&test_exe.step); } fn addDeps(exe: *std.build.LibExeObjStep, protocol_step: *std.build.Step) void { exe.step.dependOn(protocol_step); exe.addIncludeDir("protocol"); exe.addCSourceFile("include/bindings.c", &[_][]const u8{"-std=c99"}); exe.addIncludeDir("."); exe.linkLibC(); exe.linkSystemLibrary("wayland-server"); exe.linkSystemLibrary("wlroots"); exe.linkSystemLibrary("xkbcommon"); } const ScanProtocolsStep = struct { builder: *std.build.Builder, step: std.build.Step, fn create(builder: *std.build.Builder) *ScanProtocolsStep { const self = builder.allocator.create(ScanProtocolsStep) catch unreachable; self.* = init(builder); return self; } fn init(builder: *std.build.Builder) ScanProtocolsStep { return ScanProtocolsStep{ .builder = builder, .step = std.build.Step.init("Scan Protocols", builder.allocator, make), }; } fn make(step: *std.build.Step) !void { const self = @fieldParentPtr(ScanProtocolsStep, "step", step); const protocol_dir = std.fmt.trim(try self.builder.exec( &[_][]const u8{ "pkg-config", "--variable=pkgdatadir", "wayland-protocols" }, )); const protocol_dir_paths = [_][]const []const u8{ &[_][]const u8{ protocol_dir, "stable/xdg-shell/xdg-shell.xml" }, &[_][]const u8{ "protocol", "wlr-layer-shell-unstable-v1.xml" }, }; for (protocol_dir_paths) |dir_path| { const xml_in_path = try std.fs.path.join(self.builder.allocator, dir_path); // Extension is .xml, so slice off the last 4 characters const basename = std.fs.path.basename(xml_in_path); const basename_no_ext = basename[0..(basename.len - 4)]; const header_out_path = try std.mem.concat( self.builder.allocator, u8, &[_][]const u8{ "protocol/", basename_no_ext, "-protocol.h" }, ); const code_out_path = try std.mem.concat( self.builder.allocator, u8, &[_][]const u8{ "protocol/", basename_no_ext, "-protocol.c" }, ); _ = try self.builder.exec( &[_][]const u8{ "wayland-scanner", "server-header", xml_in_path, header_out_path }, ); _ = try self.builder.exec( &[_][]const u8{ "wayland-scanner", "private-code", xml_in_path, code_out_path }, ); } } };