xmake-repo/packages/l/libsdl2_mixer/xmake.lua

package("libsdl2_mixer")
    set_homepage("https://www.libsdl.org/projects/SDL_mixer/")
    set_description("Simple DirectMedia Layer mixer audio library")
    set_license("zlib")

    add_urls("https://www.libsdl.org/projects/SDL_mixer/release/SDL2_mixer-$(version).zip",
             "https://github.com/libsdl-org/SDL_mixer/releases/download/release-$(version)/SDL2_mixer-$(version).zip")
    add_versions("2.8.1", "69816beec6b81dc7d5d64ed32600a66c4452abedfece09c5b62613bceac6fb83")
    add_versions("2.0.4", "9affb8c7bf6fbffda0f6906bfb99c0ea50dca9b188ba9e15be90042dc03c5ded")
    add_versions("2.6.0", "aca0ffc96a4bf2a56a16536a269de28e341ce38a46a25180bc1ef75e19b08a3a")
    add_versions("2.6.1", "788c748c1d3a87126511e60995b03526ed4e31e2ba053dffd9dcc8abde97b950")
    add_versions("2.6.2", "61549615a67e731805ca1df553e005be966a625c1d20fb085bf99edeef6e0469")
    add_versions("2.8.0", "02df784cc68723419dd266530ee6964f810a6f02a27b03ecc85689c2e5e442ce")

    add_configs("vendored", {description = "Use vendored third-party libraries.", default = false, type = "boolean"})
    add_configs("flac", {description = "Use libflac to play FLAC audio format.", default = true, type = "boolean"})

    if is_plat("mingw") and is_subhost("msys") then
        add_extsources("pacman::SDL2_mixer")
    elseif is_plat("linux") then
        add_extsources("pacman::sdl2_mixer", "apt::libsdl2-mixer-dev")
    elseif is_plat("macosx") then
        add_extsources("brew::sdl2_mixer")
    end

    add_deps("cmake")

    add_includedirs("include", "include/SDL2")

    if is_plat("wasm") then
        add_configs("shared", {description = "Build shared library.", default = false, type = "boolean", readonly = true})
    end

    on_load(function (package)
        package:add("deps", "libsdl2", { configs = { shared = package:config("shared") }})
        if package:config("flac") then
            package:add("deps", "libflac", { configs = { shared = package:config("shared") }})
        end
    end)

    on_install(function (package)
        if package:is_plat("wasm") then
            io.replace("CMakeLists.txt", "sdl_find_sdl2(${sdl2_target_name} ${SDL_REQUIRED_VERSION})", "", {plain = true})
            io.replace("CMakeLists.txt", "target_link_libraries(SDL2_mixer PRIVATE $<BUILD_INTERFACE:${sdl2_target_name}>)", [[
target_include_directories(SDL2_mixer PRIVATE ${SDL2_INCLUDE_DIR})
target_link_libraries(SDL2_mixer PRIVATE $<BUILD_INTERFACE:${SDL2_LIBRARY}>)
            ]], {plain = true})
            io.replace("CMakeLists.txt", "target_link_libraries(SDL2_mixer PRIVATE ${sdl2_target_name})", [[
target_include_directories(SDL2_mixer PRIVATE ${SDL2_INCLUDE_DIR})
target_link_libraries(SDL2_mixer PRIVATE ${SDL2_LIBRARY})
            ]], {plain = true})
        end

        local configs = {
                            "-DSDL2MIXER_CMD=OFF",
                            "-DSDL2MIXER_GME=OFF",
                            "-DSDL2MIXER_MIDI=OFF",
                            "-DSDL2MIXER_MOD=OFF",
                            "-DSDL2MIXER_MP3=ON", -- was on by not being here
                            "-DSDL2MIXER_OPUS=OFF",
                            "-DSDL2MIXER_SAMPLES=OFF",
                            "-DSDL2MIXER_WAVE=ON", -- was on by not being here
                            "-DSDL2MIXER_WAVPACK=OFF"
                        }
        table.insert(configs, "-DSDL2MIXER_VENDORED=" .. (package:config("vendored") and "ON" or "OFF"))
        table.insert(configs, "-DSDL2MIXER_FLAC=" .. (package:config("flac") and "ON" or "OFF"))
        table.insert(configs, "-DSDL2MIXER_FLAC_LIBFLAC=" .. (package:config("flac") and "ON" or "OFF"))
        -- If dependency FLAC is static or shared
        local flac = package:dep("libflac")
        if flac then
            table.insert(configs, "-DSDL2MIXER_FLAC_LIBFLAC_SHARED=" .. (flac:config("shared") and "ON" or "OFF"))
        end
        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
        table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
        local opt = {}
        if package:config("flac") then
            table.insert(configs, "-DSDL2MIXER_FLAC_DRFLAC=OFF")
            opt.packagedeps = {"libogg"}
        end
        local libsdl2 = package:dep("libsdl2")
        if libsdl2 and not libsdl2:is_system() then
            table.insert(configs, "-DSDL2_DIR=" .. libsdl2:installdir())
            local fetchinfo = libsdl2:fetch()
            if fetchinfo then
                for _, dir in ipairs(fetchinfo.includedirs or fetchinfo.sysincludedirs) do
                    if os.isfile(path.join(dir, "SDL_version.h")) then
                        table.insert(configs, "-DSDL2_INCLUDE_DIR=" .. dir)
                        break
                    end
                end
                local libfiles = {}
                for _, libfile in ipairs(fetchinfo.libfiles) do
                    if libfile:match("SDL2%..+$") or libfile:match("SDL2-static%..+$") then
                        if not (package:config("shared") and libfile:endswith(".dll")) then
                            table.insert(libfiles, libfile)
                        end
                    end
                end
                table.insert(configs, "-DSDL2_LIBRARY=" .. table.concat(libfiles, ";"))
            end
        end
        import("package.tools.cmake").install(package, configs, opt)
    end)

    on_test(function (package)
        assert(package:check_cxxsnippets({test = [[
            #include <SDL2/SDL.h>
            #include <SDL2/SDL_mixer.h>
            int main(int argc, char** argv) {
                Mix_Init(MIX_INIT_OGG);
                Mix_Quit();
                return 0;
            }
        ]]}, {configs = {defines = "SDL_MAIN_HANDLED"}}));
    end)