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pub fn build(b: *std.Build) void {
const clap_mod = b.addModule("clap", .{ .root_source_file = b.path("clap.zig") });
const optimize = b.standardOptimizeOption(.{});
const target = b.standardTargetOptions(.{});
const test_step = b.step("test", "Run all tests in all modes.");
const tests = b.addTest(.{
.root_source_file = b.path("clap.zig"),
.target = target,
.optimize = optimize,
});
const run_tests = b.addRunArtifact(tests);
test_step.dependOn(&run_tests.step);
const example_step = b.step("examples", "Build examples");
for ([_][]const u8{
"simple",
"simple-ex",
"streaming-clap",
"help",
"usage",
}) |example_name| {
const example = b.addExecutable(.{
.name = example_name,
.root_source_file = b.path(b.fmt("example/{s}.zig", .{example_name})),
.target = target,
.optimize = optimize,
});
const install_example = b.addInstallArtifact(example, .{});
example.root_module.addImport("clap", clap_mod);
example_step.dependOn(&example.step);
example_step.dependOn(&install_example.step);
}
const docs_step = b.step("docs", "Generate docs.");
const install_docs = b.addInstallDirectory(.{
.source_dir = tests.getEmittedDocs(),
.install_dir = .prefix,
.install_subdir = "docs",
});
docs_step.dependOn(&install_docs.step);
const readme_step = b.step("readme", "Remake README.");
const readme = readMeStep(b);
readme.dependOn(example_step);
readme_step.dependOn(readme);
const all_step = b.step("all", "Build everything and runs all tests");
all_step.dependOn(test_step);
all_step.dependOn(example_step);
all_step.dependOn(readme_step);
b.default_step.dependOn(all_step);
}
fn readMeStep(b: *std.Build) *std.Build.Step {
const s = b.allocator.create(std.Build.Step) catch unreachable;
s.* = std.Build.Step.init(.{
.id = .custom,
.name = "ReadMeStep",
.owner = b,
.makeFn = struct {
fn make(step: *std.Build.Step, _: std.Build.Step.MakeOptions) anyerror!void {
@setEvalBranchQuota(10000);
_ = step;
const file = try std.fs.cwd().createFile("README.md", .{});
const stream = file.writer();
try stream.print(@embedFile("example/README.md.template"), .{
@embedFile("example/simple.zig"),
@embedFile("example/simple-ex.zig"),
@embedFile("example/streaming-clap.zig"),
@embedFile("example/help.zig"),
@embedFile("example/usage.zig"),
});
}
}.make,
});
return s;
}
const std = @import("std");
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