build.zig

const std = @import("std");
const LibExeObjStep = std.build.LibExeObjStep;

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

    const lib = b.addStaticLibrary(.{
        .name = "wildmidi",
        // .root_source_file = b.path("include/wildmidi_lib.h"),
        .target = target,
        .optimize = optimize,
    });

    lib.linkLibC();
    lib.addIncludePath(b.path("include"));

    const sourceFiles = .{
        "src/wm_error.c",
        "src/file_io.c",
        "src/lock.c",
        "src/wildmidi_lib.c",
        "src/reverb.c",
        "src/gus_pat.c",
        "src/internal_midi.c",
        "src/patches.c",
        "src/f_xmidi.c",
        "src/f_mus.c",
        "src/f_hmp.c",
        "src/f_hmi.c",
        "src/f_midi.c",
        "src/sample.c",
        "src/mus2mid.c",
        "src/xmi2mid.c",
    };

    const defaultFlags = .{
        "-Wall",
        "-W",
        "-fno-common",
        "-DWILDMIDI_BUILD",
        "-g",
    };

    const config_header = b.addConfigHeader(.{ .style = .{
        .cmake = b.path("include/config.h.cmake"),
    } }, .{
        .HAVE_C_INLINE = 1,
        .HAVE_C___INLINE = 1,
        .HAVE_C___INLINE__ = 1,
        .HAVE___BUILTIN_EXPECT = 1,
        .HAVE_STDINT_H = 1,
        .HAVE_INTTYPES_H = 1,
        .WORDS_BIGENDIAN = null,
        .WILDMIDI_AMIGA = null,
        .HAVE_SYS_SOUNDCARD_H = null,
        .AUDIODRV_ALSA = null,
        .AUDIODRV_OSS = null,
        .AUDIODRV_AHI = null,
        .AUDIODRV_OPENAL = null,
    });

    lib.addConfigHeader(config_header);

    switch (target.result.os.tag) {
        .windows => {
            lib.addCSourceFiles(.{
                .files = &sourceFiles,
                .flags = &(.{"-DWILDMIDI_STATIC"} ++ defaultFlags),
            });
            lib.addIncludePath(b.path("mingw"));
        },
        .macos => {
            lib.addCSourceFiles(.{
                .files = &sourceFiles,
                .flags = &defaultFlags,
            });
            lib.addIncludePath(b.path("macosx"));
        },
        else => {
            lib.addCSourceFiles(.{
                .files = &sourceFiles,
                .flags = &defaultFlags,
            });
        },
    }

    b.installArtifact(lib);

    _ = b.addModule("wildmidi", .{ .root_source_file = b.path("lib-wildmidi.zig") });
}