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Refactor buildExamples for Zig version compatibility #121

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Refactor buildExamples for Zig version compatibility #121

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20 changes: 18 additions & 2 deletions build.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -244,10 +244,26 @@ fn generateDocs(b: *Build, options: GenerateDocsOptions) void {

fn buildExamples(b: *Build, options: BuildExamplesOptions) !void {
const lazy_path = b.path("examples");
_ = lazy_path; // autofix
const build_all_step = b.step("examples", "build all examples");
const examples_path = lazy_path.getPath(b);
const examples_path = "examples";
if (comptime builtin.zig_version.minor >= 17) {
// Zig 0.17+: build_root is remove.
const io = b.graph.io;
var examples_dir = b.root.root_dir.handle.openDir(io, examples_path, .{ .iterate = true }) catch |err| {
switch (err) {
error.FileNotFound => return,
else => return err,
}
};
defer examples_dir.close(io);

if (comptime builtin.zig_version.minor >= 16) {
var iter = examples_dir.iterate();
while (try iter.next(io)) |entry| {
if (entry.kind != .directory) continue;
try buildExample(b, entry.name, options, build_all_step);
}
} else if (comptime builtin.zig_version.minor >= 16) {
// Zig 0.16+: build_root.handle is std.Io.Dir and requires an `io`.
const io = b.graph.io;
var examples_dir = b.build_root.handle.openDir(io, examples_path, .{ .iterate = true }) catch |err| {
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