bloat-buster/build.zig

78 lines
2.4 KiB
Zig

const std = @import("std");
fn run_process_and_capture_stdout(b: *std.Build, argv: []const []const u8) ![]const u8 {
const result = std.process.Child.run(.{
.allocator = b.allocator,
.argv = argv,
}) catch |err| return err;
switch (result.term) {
.Exited => |exit_code| {
if (exit_code != 0) {
return error.SpawnError;
}
},
else => return error.SpawnError,
}
return result.stdout;
}
pub fn build(b: *std.Build) !void {
const ci = b.option(bool, "ci", "");
_ = &ci;
const target = b.standardTargetOptions(.{});
const optimize = b.standardOptimizeOption(.{});
const exe_mod = b.createModule(.{
.root_source_file = b.path("src/main.zig"),
.target = target,
.optimize = optimize,
});
var llvm_libs = std.ArrayList([]const u8).init(b.allocator);
{
const llvm_components_result = try run_process_and_capture_stdout(b, &.{ "llvm-config", "--components" });
var it = std.mem.splitScalar(u8, llvm_components_result, ' ');
var args = std.ArrayList([]const u8).init(b.allocator);
try args.append("llvm-config");
try args.append("--libs");
while (it.next()) |component| {
try args.append(std.mem.trim(u8, component, "\n"));
}
const llvm_libs_result = try run_process_and_capture_stdout(b, args.items);
it = std.mem.splitScalar(u8, llvm_libs_result, ' ');
while (it.next()) |component| {
const llvm_lib = std.mem.trim(u8, std.mem.trim(u8, component, "\n"), "-l");
try llvm_libs.append(llvm_lib);
}
}
const exe = b.addExecutable(.{
.name = "bloat-buster",
.root_module = exe_mod,
});
exe.linkLibC();
for (llvm_libs.items) |llvm_lib| {
exe.linkSystemLibrary(llvm_lib);
}
b.installArtifact(exe);
const run_cmd = b.addRunArtifact(exe);
run_cmd.step.dependOn(b.getInstallStep());
if (b.args) |args| {
run_cmd.addArgs(args);
}
const run_step = b.step("run", "Run the app");
run_step.dependOn(&run_cmd.step);
const exe_unit_tests = b.addTest(.{
.root_module = exe_mod,
});
const run_exe_unit_tests = b.addRunArtifact(exe_unit_tests);
const test_step = b.step("test", "Run unit tests");
test_step.dependOn(&run_exe_unit_tests.step);
}