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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(.{});
// Export self as a module
_ = b.addModule("base58", .{ .root_source_file = b.path("src/root.zig") });
const lib = b.addStaticLibrary(.{
.name = "base58",
// 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 = b.path("src/root.zig"),
.target = target,
.optimize = optimize,
});
b.installArtifact(lib);
const exe = buildKeygenExe(b, "base58-keygen", target, optimize);
// Add a host version of keygen to be used during program build
_ = buildKeygenExe(b, "base58-keygen-host", b.graph.host, optimize);
const run_cmd = b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
// This allows the user to pass arguments to the application in the build
// command itself, like this: `zig build run -- arg1 arg2 etc`
if (b.args) |args| {
run_cmd.addArgs(args);
}
// This creates a build step. It will be visible in the `zig build --help` menu, and can be selected like this: `zig build run`
// This will evaluate the `run` step rather than the default, which is "install".
const run_step = b.step("run", "Run the app");
run_step.dependOn(&run_cmd.step);
const lib_unit_tests = b.addTest(.{
.root_source_file = b.path("src/root.zig"),
.target = target,
.optimize = optimize,
});
const run_lib_unit_tests = b.addRunArtifact(lib_unit_tests);
const exe_unit_tests = b.addTest(.{
.root_source_file = b.path("src/main.zig"),
.target = target,
.optimize = optimize,
});
const run_exe_unit_tests = b.addRunArtifact(exe_unit_tests);
const test_step = b.step("test", "Run unit tests");
test_step.dependOn(&run_lib_unit_tests.step);
test_step.dependOn(&run_exe_unit_tests.step);
}
fn buildKeygenExe(b: *std.Build, name: []const u8, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode) *std.Build.Step.Compile {
const exe = b.addExecutable(.{
.name = name,
.root_source_file = b.path("src/main.zig"),
.target = target,
.optimize = optimize,
});
const clap_dep = b.dependency("clap", .{
.target = target,
.optimize = optimize,
});
const clap_mod = clap_dep.module("clap");
exe.root_module.addImport("clap", clap_mod);
b.installArtifact(exe);
return exe;
}
// Helper function for generating a keypair during a program build, similar to
// the base Solana tools.
// Looks for an artifact called "base58-keygen-host", which is just like
// "base58-keygen", except it targets the host instead of a BPF / SBF target.
pub fn generateKeypairRunStep(b: *std.Build, path: []const u8) *std.Build.Step.Run {
const base58_dep = b.dependency("base58", .{});
const exe = base58_dep.artifact("base58-keygen-host");
const run_exe = b.addRunArtifact(exe);
run_exe.addArg("-o");
run_exe.addArg(path);
return run_exe;
}
pub fn generateProgramKeypair(b: *std.Build, program: *std.Build.Step.Compile) void {
const program_name = program.out_filename[0 .. program.out_filename.len - std.fs.path.extension(program.out_filename).len];
const path = b.fmt("{s}-keypair.json", .{program_name});
const lib_path = b.getInstallPath(.lib, path);
const run_step = generateKeypairRunStep(b, lib_path);
run_step.step.dependOn(&program.step);
b.getInstallStep().dependOn(&run_step.step);
}