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build.zig
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build.zig
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const std = @import("std");
// Although this function looks imperative, note that its job is to
// declaratively construct a build graph that will be executed by an external
// runner.
pub fn build(b: *std.Build) void {
// 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 optimization options allow the person running `zig build` to select
// between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
// set a preferred release mode, allowing the user to decide how to optimize.
const optimize = b.standardOptimizeOption(.{});
const lib = b.addStaticLibrary(.{
.name = "compress",
// In this case the main source file is merely a path, however, in more
// complicated build scripts, this could be a generated file.
.root_source_file = .{ .path = "src/compress.zig" },
.target = target,
.optimize = optimize,
});
// This declares intent for the library to be installed into the standard
// location when the user invokes the "install" step (the default step when
// running `zig build`).
b.installArtifact(lib);
// Creates a step for unit testing. This only builds the test executable
// but does not run it.
const lib_unit_tests = b.addTest(.{
.root_source_file = .{ .path = "src/flate.zig" },
.target = target,
.optimize = optimize,
});
const run_lib_unit_tests = b.addRunArtifact(lib_unit_tests);
const test_step = b.step("test", "Run unit tests");
test_step.dependOn(&run_lib_unit_tests.step);
const compress_module = b.addModule("compress", .{
.root_source_file = .{ .path = "src/compress.zig" },
});
const binaries = [_]Binary{
.{ .name = "gzip", .src = "bin/gzip.zig" },
.{ .name = "gunzip", .src = "bin/gunzip.zig" },
.{ .name = "decompress", .src = "bin/decompress.zig" },
.{ .name = "roundtrip", .src = "bin/roundtrip.zig" },
};
for (binaries) |i| {
const bin = b.addExecutable(.{
.name = i.name,
.root_source_file = .{ .path = i.src },
.target = target,
.optimize = optimize,
});
bin.root_module.addImport("compress", compress_module);
b.installArtifact(bin);
}
{
const i: Binary = .{ .name = "fuzz_puff", .src = "bin/fuzz_puff.zig" };
const bin = b.addExecutable(.{
.name = i.name,
.root_source_file = .{ .path = i.src },
.target = target,
.optimize = optimize,
});
bin.root_module.addImport("compress", compress_module);
bin.addIncludePath(.{ .path = "bin/puff" });
bin.addCSourceFile(.{ .file = .{ .path = "bin/puff/puff.c" } });
bin.linkLibC();
b.installArtifact(bin);
}
// Benchmarks are embedding bin/bench_data files which has to be present.
// There is script `get_bench_data.sh` to fill the folder. Some of those
// files are pretty big so it is not committed to the repo. If you are
// building many times clear your zig-cache because it can be filled with
// lots of copies of this files embedded into binaries.
const bench_step = b.step("bench", "Build benchhmarks");
const benchmarks = [_]Binary{
.{ .name = "deflate_bench", .src = "bin/deflate_bench.zig" },
.{ .name = "inflate_bench", .src = "bin/inflate_bench.zig" },
};
for (benchmarks) |i| {
var bin = b.addExecutable(.{
.name = i.name,
.root_source_file = .{ .path = i.src },
.target = target,
.optimize = optimize,
});
bin.root_module.addImport("compress", compress_module);
bench_step.dependOn(&b.addInstallArtifact(bin, .{}).step);
}
}
const Binary = struct {
name: []const u8,
src: []const u8,
};