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const HelpStrings = @This();
const std = @import("std");
const Config = @import("Config.zig");
/// The "helpgen" exe.
exe: *std.Build.Step.Compile,
/// The output path for the help strings.
output: std.Build.LazyPath,
pub fn init(b: *std.Build, cfg: *const Config) !HelpStrings {
const exe = b.addExecutable(.{
.name = "helpgen",
.root_module = b.createModule(.{
.root_source_file = b.path("src/helpgen.zig"),
.target = b.graph.host,
.strip = false,
.omit_frame_pointer = false,
.unwind_tables = .sync,
}),
});
const help_config = config: {
var copy = cfg.*;
copy.exe_entrypoint = .helpgen;
break :config copy;
};
const options = b.addOptions();
try help_config.addOptions(options);
exe.root_module.addOptions("build_options", options);
const help_run = b.addRunArtifact(exe);
// Generated Zig files have to end with .zig
const wf = b.addWriteFiles();
const output = wf.addCopyFile(help_run.captureStdOut(), "helpgen.zig");
return .{
.exe = exe,
.output = output,
};
}
/// Add the "help_strings" import.
pub fn addImport(self: *const HelpStrings, step: *std.Build.Step.Compile) void {
self.output.addStepDependencies(&step.step);
step.root_module.addAnonymousImport("help_strings", .{
.root_source_file = self.output,
});
}
/// Install the help exe
pub fn install(self: *const HelpStrings) void {
self.exe.step.owner.installArtifact(self.exe);
}
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