AdventOfCode/2020/zig/build.zig

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2022-08-11 07:34:17 +00:00
const std = @import("std");
const Builder = std.build.Builder;
const LibExeObjStep = std.build.LibExeObjStep;
// set this to true to link libc
const should_link_libc = false;
fn linkObject(b: *Builder, obj: *LibExeObjStep) void {
if (should_link_libc) obj.linkLibC();
_ = b;
// Add linking for packages or third party libraries here
}
const required_zig_version = std.SemanticVersion.parse("0.9.0-dev.1920+de81c504b") catch unreachable;
pub fn build(b: *Builder) void {
if (comptime @import("builtin").zig_version.order(required_zig_version) == .lt) {
std.debug.print(
\\Error: Your version of Zig is missing features that are needed for this template.
\\You will need to download a newer build.
\\
\\ https://ziglang.org/download/
\\
\\
, .{});
std.os.exit(1);
}
// 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 install_all = b.step("install_all", "Install all days");
const install_all_tests = b.step("install_tests_all", "Install tests for all days");
const run_all = b.step("run_all", "Run all days");
// Set up an exe for each day
var day: u32 = 1;
while (day <= 25) : (day += 1) {
const dayString = b.fmt("day{:0>2}", .{day});
const zigFile = b.fmt("src/{s}.zig", .{dayString});
const exe = b.addExecutable(dayString, zigFile);
exe.setTarget(target);
exe.setBuildMode(mode);
linkObject(b, exe);
exe.install();
const install_cmd = b.addInstallArtifact(exe);
const run_test = b.addTest(zigFile);
run_test.setTarget(target);
run_test.setBuildMode(mode);
linkObject(b, exe);
const build_test = b.addTestExe(b.fmt("test_{s}", .{dayString}), zigFile);
build_test.setTarget(target);
build_test.setBuildMode(mode);
linkObject(b, exe);
const install_test = b.addInstallArtifact(build_test);
{
const step_key = b.fmt("install_{s}", .{dayString});
const step_desc = b.fmt("Install {s}.exe", .{dayString});
const install_step = b.step(step_key, step_desc);
install_step.dependOn(&install_cmd.step);
install_all.dependOn(&install_cmd.step);
}
{
const step_key = b.fmt("test_{s}", .{dayString});
const step_desc = b.fmt("Run tests in {s}", .{zigFile});
const step = b.step(step_key, step_desc);
step.dependOn(&run_test.step);
}
{
const step_key = b.fmt("install_tests_{s}", .{dayString});
const step_desc = b.fmt("Install test_{s}.exe", .{dayString});
const step = b.step(step_key, step_desc);
step.dependOn(&install_test.step);
install_all_tests.dependOn(&install_test.step);
}
const run_cmd = exe.run();
run_cmd.step.dependOn(&install_cmd.step);
if (b.args) |args| {
run_cmd.addArgs(args);
}
const run_desc = b.fmt("Run {s}", .{dayString});
const run_step = b.step(dayString, run_desc);
run_step.dependOn(&run_cmd.step);
run_all.dependOn(&run_cmd.step);
}
// Set up tests for util.zig
{
const test_util = b.step("test_util", "Run tests in util.zig");
const test_cmd = b.addTest("src/util.zig");
test_cmd.setTarget(target);
test_cmd.setBuildMode(mode);
linkObject(b, test_cmd);
test_util.dependOn(&test_cmd.step);
}
// Set up test executable for util.zig
{
const test_util = b.step("install_tests_util", "Run tests in util.zig");
const test_exe = b.addTestExe("test_util", "src/util.zig");
test_exe.setTarget(target);
test_exe.setBuildMode(mode);
linkObject(b, test_exe);
const install = b.addInstallArtifact(test_exe);
test_util.dependOn(&install.step);
}
// Set up a step to run all tests
{
const test_step = b.step("test", "Run all tests");
const test_cmd = b.addTest("src/test_all.zig");
test_cmd.setTarget(target);
test_cmd.setBuildMode(mode);
linkObject(b, test_cmd);
test_step.dependOn(&test_cmd.step);
}
// Set up a step to build tests (but not run them)
{
const test_build = b.step("install_tests", "Install test_all.exe");
const test_exe = b.addTestExe("test_all", "src/test_all.zig");
test_exe.setTarget(target);
test_exe.setBuildMode(mode);
linkObject(b, test_exe);
const test_exe_install = b.addInstallArtifact(test_exe);
test_build.dependOn(&test_exe_install.step);
}
}