build.zig

const std = @import("std");

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

    const zfits = b.dependency("zfitsio", .{ .target = target, .optimize = optimize });
    const zfitsio = zfits.module("zfitsio");
    const cfitsio = zfits.artifact("cfitsio");

    const xspec = b.addStaticLibrary(.{
        .name = "xsklineprofiles",
        .root_source_file = .{ .path = "src/xspec-wrapper.zig" },
        .target = target,
        .optimize = optimize,
    });
    xspec.root_module.addImport("zfitsio", zfitsio);
    xspec.linkLibrary(cfitsio);

    const xspec_step = b.step("xspec", "Build the XSPEC static library");
    const install_xspec = b.addInstallArtifact(xspec, .{});
    xspec_step.dependOn(&install_xspec.step);

    var plots = b.addExecutable(.{
        .name = "plots",
        .root_source_file = .{ .path = "src/plots.zig" },
        .target = target,
        .optimize = optimize,
    });
    plots.root_module.addImport("zfitsio", zfitsio);
    plots.linkLibrary(zfits.artifact("cfitsio"));

    const plots_step = b.step("plots", "Create debugging plots");
    const install_plots = b.addInstallArtifact(plots, .{});
    const run_plots = b.addRunArtifact(plots);
    plots_step.dependOn(&install_plots.step);
    plots_step.dependOn(&run_plots.step);

    const unit_tests = b.addTest(.{
        .root_source_file = .{ .path = "src/xspec-wrapper.zig" },
        .target = target,
        .optimize = optimize,
    });
    unit_tests.root_module.addImport("zfitsio", zfitsio);
    unit_tests.linkLibrary(cfitsio);

    const run_unit_tests = b.addRunArtifact(unit_tests);
    const test_step = b.step("test", "Run unit tests");
    test_step.dependOn(&run_unit_tests.step);
}