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|
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("pixman-1");
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 },
);
}
}
};
|
