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const std = @import("std");
const Scanner = @import("deps/zig-wayland/build.zig").Scanner;
// Although this function looks imperative, note that its job is to
// declaratively construct a build graph that will be executed by an external
// runner.
pub fn build(b: *std.Build) 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 optimization options allow the person running `zig build` to select
// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
// set a preferred release mode, allowing the user to decide how to optimize.
const optimize = b.standardOptimizeOption(.{});
// Modules
const scanner = Scanner.create(b, .{});
scanner.addSystemProtocol("stable/xdg-shell/xdg-shell.xml");
const wayland = b.createModule(.{ .source_file = scanner.result });
const xkbcommon = b.createModule(.{
.source_file = .{ .path = "deps/zig-xkbcommon/src/xkbcommon.zig" },
});
const pixman = b.createModule(.{
.source_file = .{ .path = "deps/zig-pixman/pixman.zig" },
});
const wlroots = b.createModule(.{
.source_file = .{ .path = "../src/wlroots.zig" },
.dependencies = &.{
.{ .name = "wayland", .module = wayland },
.{ .name = "xkbcommon", .module = xkbcommon },
.{ .name = "pixman", .module = pixman },
},
});
// These must be manually kept in sync with the versions wlroots supports
// until wlroots gives the option to request a specific version.
scanner.generate("wl_compositor", 4);
scanner.generate("wl_subcompositor", 1);
scanner.generate("wl_shm", 1);
scanner.generate("wl_output", 4);
scanner.generate("wl_seat", 7);
scanner.generate("wl_data_device_manager", 3);
scanner.generate("xdg_wm_base", 2);
const exe = b.addExecutable(.{
.name = "kalmia",
// In this case the main source file is merely a path, however, in more
// complicated build scripts, this could be a generated file.
.root_source_file = .{ .path = "src/main.zig" },
.target = target,
.optimize = optimize,
});
exe.linkLibC();
exe.addModule("wayland", wayland);
exe.linkSystemLibrary("wayland-server");
exe.addModule("xkbcommon", xkbcommon);
exe.linkSystemLibrary("xkbcommon");
exe.addModule("wlroots", wlroots);
exe.linkSystemLibrary("wlroots");
exe.linkSystemLibrary("pixman-1");
// This declares intent for the executable to be installed into the
// standard location when the user invokes the "install" step (the default
// step when running `zig build`).
b.installArtifact(exe);
// This *creates* a Run step in the build graph, to be executed when another
// step is evaluated that depends on it. The next line below will establish
// such a dependency.
const run_cmd = b.addRunArtifact(exe);
// By making the run step depend on the install step, it will be run from the
// installation directory rather than directly from within the cache directory.
// This is not necessary, however, if the application depends on other installed
// files, this ensures they will be present and in the expected location.
run_cmd.step.dependOn(b.getInstallStep());
// This allows the user to pass arguments to the application in the build
// command itself, like this: `zig build run -- arg1 arg2 etc`
if (b.args) |args| {
run_cmd.addArgs(args);
}
// This creates a build step. It will be visible in the `zig build --help` menu,
// and can be selected like this: `zig build run`
// This will evaluate the `run` step rather than the default, which is "install".
const run_step = b.step("run", "Run the app");
run_step.dependOn(&run_cmd.step);
// 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/main.zig" },
.target = target,
.optimize = optimize,
});
const run_unit_tests = b.addRunArtifact(unit_tests);
// 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");
test_step.dependOn(&run_unit_tests.step);
}
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