build.zig

const std = @import("std");

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});

    const opencl_version = b.option([]const u8, "opencl_version", "Opencl Target Version (default: 300)") orelse "300";

    const options = b.addOptions();
    options.addOption([]const u8, "opencl_version", opencl_version);

    const module = b.addModule("opencl", .{
        .root_source_file = b.path("src/opencl.zig"),
        .target = target,
        .optimize = optimize
    });
    module.addIncludePath(.{
        .cwd_relative = "/usr/include/"
    });
    module.linkSystemLibrary("OpenCL", .{
        .needed = true
    });
    module.linkSystemLibrary("c", .{
        .needed = true
    });
    module.addOptions("opencl_config", options);

    const exe_unit_tests = b.addTest(.{
        .root_source_file = b.path("tests/main.zig"),
        .target = target,
        .optimize = optimize,
    });
    exe_unit_tests.root_module.addImport("opencl", module);

    const run_exe_unit_tests = b.addRunArtifact(exe_unit_tests);
    run_exe_unit_tests.has_side_effects = true;

    // // Similar to creating the run step earlier, this exposes a `test` step to
    // // the `zig build --help` menu, providing a way for the user to request
    // // running the 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);
}