init

the readme is a ramble and there's no functionality (yet). couldn't ask
for a better start.

deps/labjack/exodriver/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 use_udev = b.option(
+        bool,
+        "use_udev",
+        "link and use udev (Linux only. Default: false)",
+    ) orelse false;
+
+    const liblabjackusb = b.addStaticLibrary(.{
+        .name = "labjackusb",
+        .target = target,
+        .optimize = optimize,
+        .link_libc = true,
+    });
+
+    liblabjackusb.addCSourceFile(.{ .file = b.path("liblabjackusb/labjackusb.c") });
+    liblabjackusb.installHeader(b.path("liblabjackusb/labjackusb.h"), "labjackusb.h");
+
+    // udev rules should be installed to /lib/udev/rules.d or /etc/udev/rules.d
+    // udevadm control --reload-rules
+    // /etc/init.d/udev-post reload
+    // udevstart
+
+    const usb_dep = b.dependency(
+        "usb",
+        .{ .target = target, .optimize = optimize, .use_udev = use_udev },
+    );
+    liblabjackusb.linkLibrary(usb_dep.artifact("usb"));
+
+    b.installArtifact(liblabjackusb);
+}