Initial import

build.zig

@@ -0,0 +1,35 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const exe = b.addExecutable(.{
+        .name = "lines",
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("lines.zig"),
+            .target = target,
+            .optimize = optimize,
+        }),
+    });
+    b.installArtifact(exe);
+
+    const run_cmd = b.addRunArtifact(exe);
+    run_cmd.step.dependOn(b.getInstallStep());
+    if (b.args) |args| run_cmd.addArgs(args);
+    b.step("run", "Run lines").dependOn(&run_cmd.step);
+
+    // req: verification/001
+    const smoke = b.addSystemCommand(&.{ "sh", "smoke.sh", "zig-out/bin/lines" });
+    smoke.setCwd(b.path("."));
+    smoke.step.dependOn(b.getInstallStep());
+    b.step("test", "Run POSIX smoke test").dependOn(&smoke.step);
+
+    // req: performance/002
+    // req: performance/003
+    // req: verification/003
+    const perf = b.addSystemCommand(&.{ "sh", "perf.sh", "zig-out/bin/lines" });
+    perf.setCwd(b.path("."));
+    perf.step.dependOn(b.getInstallStep());
+    b.step("perf", "Run large-file elapsed-time and RSS proof").dependOn(&perf.step);
+}