build.zig for Terminal Click (unreleased)

// (C) 2023 Terminal Click - All Rights Reserved
//
// Zig Build File (expects zig v0.10.0)
//
// @author: Abner Coimbre <abner@terminal.click>
//

const std = @import("std");
const bld = @import("std").build.Builder;

pub fn build(b: *bld) void {
    b.setPreferredReleaseMode(.Debug);

    const mode = b.standardReleaseOptions();
    const target = b.standardTargetOptions(.{});
    const exe = b.addExecutable("TerminalClick", null);
    exe.setTarget(target);
    exe.setBuildMode(mode);

    const win_args = &[_][]const u8{
        "-Iinc",
        "",
        "-DSOKOL_D3D11",
        "-O0",
        "-ggdb3",
        "-fno-sanitize=undefined",
        "-std=c99",
    };

    const macos_args = &[_][]const u8{
        "-Iinc",
        "-ObjC",
        "-DSOKOL_METAL",
        "-O0",
        "-ggdb3",
        "-fno-sanitize=undefined",
        "-std=c99",
    };

    const linux_args = &[_][]const u8{
        "-Iinc",
        "-D_GNU_SOURCE",
        "-DSOKOL_GLCORE33",
        "-O0",
        "-ggdb3",
        "-fno-sanitize=undefined",
        "-std=c99",
    };

    var c_args: []const []const u8 = undefined;

    const tag = exe.target.getOs().tag;

    if (tag == .windows) {
        c_args = win_args;
    } else if (tag == .macos) {
        c_args = macos_args;
    } else if (tag == .linux) {
        c_args = linux_args;
    } else {
        std.debug.print("Error: Unsupported operating system! Contact Abner\n", .{});
        std.process.exit(1);
    }

    exe.addCSourceFile("src/main.c", c_args); // Unity build.
    exe.linkLibC();

    if (tag == .windows) {
        exe.linkSystemLibrary("kernel32");
        exe.linkSystemLibrary("gdi32");
        exe.linkSystemLibrary("d3d11");
    } else if (tag == .macos) {
        exe.linkFramework("MetalKit");
        exe.linkFramework("Metal");
        exe.linkFramework("Cocoa");
        exe.linkFramework("QuartzCore");
    } else if (tag == .linux) {
        // On a fresh Pop OS install it seems we needed the following commands:
        // sudo apt install libgl-dev
        // sudo apt install libxi-dev
        // sudo apt install libxcursor-dev
        exe.linkSystemLibrary("GL");
        exe.linkSystemLibrary("X11");
        exe.linkSystemLibrary("Xi");
        exe.linkSystemLibrary("Xcursor");
    } else {
        std.debug.print("[TC] Unsupported operating system! Contact Abner\n", .{});
        std.process.exit(1);
    }

    exe.install();

    const run_cmd = exe.run();
    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);
}