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const std = @import("std");
const Builder = std.build.Builder;
pub fn build(b: *Builder) void {
const mode = b.standardReleaseOptions();
const target = b.standardTargetOptions(.{});
const test_all_step = b.step("test", "Run all tests in all modes.");
for ([_]bool{ true, false }) |stage1| {
for (std.meta.tags(std.builtin.Mode)) |test_mode| {
const mode_str = @tagName(test_mode);
const stage1_str = if (stage1) "stage1" else "stage2";
const tests = b.addTest("clap.zig");
tests.setBuildMode(test_mode);
tests.setTarget(target);
tests.use_stage1 = stage1;
const test_step = b.step(
b.fmt("test-{s}-{s}", .{ stage1_str, mode_str }),
b.fmt("Run all tests with {s} compiler in {s}.", .{ stage1_str, mode_str }),
);
test_step.dependOn(&tests.step);
test_all_step.dependOn(test_step);
}
}
const example_step = b.step("examples", "Build examples");
inline for (.{
"simple",
"simple-ex",
//"simple-error",
"streaming-clap",
"help",
"usage",
}) |example_name| {
const example = b.addExecutable(example_name, "example/" ++ example_name ++ ".zig");
example.addPackagePath("clap", "clap.zig");
example.setBuildMode(mode);
example.setTarget(target);
example.install();
example_step.dependOn(&example.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_all_step);
all_step.dependOn(example_step);
all_step.dependOn(readme_step);
b.default_step.dependOn(all_step);
}
fn readMeStep(b: *Builder) *std.build.Step {
const s = b.allocator.create(std.build.Step) catch unreachable;
s.* = std.build.Step.init(.custom, "ReadMeStep", b.allocator, struct {
fn make(step: *std.build.Step) 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;
}
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