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

package("libwebsockets")
    set_homepage("https://github.com/warmcat/libwebsockets")
    set_description("canonical libwebsockets.org websocket library")
    set_license("MIT")

    add_urls("https://github.com/warmcat/libwebsockets.git")
    if not is_subhost("msys") then
        add_urls("https://github.com/warmcat/libwebsockets/archive/refs/tags/$(version).tar.gz")
    end

    add_versions("v4.4.1", "472e6cfa77b6f80ff2cc176bc59f6cb2856df7e30e8f31afcbd1fc94ffd2f828")
    add_versions("v4.3.5", "87f99ad32803ed325fceac5327aae1f5c1b417d54ee61ad36cffc8df5f5ab276")
    add_versions("v4.3.4", "896b36aa063b4d05865f9ffee4404b26d4c2d3e2ba17b0b69f021b615377845e")
    add_versions("v4.3.3", "6fd33527b410a37ebc91bb64ca51bdabab12b076bc99d153d7c5dd405e4bdf90")

    add_deps("cmake")

    add_configs("ssl", {description = "Enable ssl (default: openssl).", default = false, type = "boolean"})
    add_configs("libev", {description = "Build with libev", default = false, type = "boolean"})
    add_configs("libuv", {description = "Build with libuv", default = false, type = "boolean"})
    add_configs("libevent", {description = "Build with libevent", default = false, type = "boolean"})
    add_configs("glib", {description = "Build with glib", default = false, type = "boolean"})

    add_configs("libcap", {description = "Build with libcap", default = false, type = "boolean"})

    if is_plat("windows", "mingw") then
        add_syslinks("ws2_32")
    end

    if on_check then
        on_check("windows", function (package)
            import("core.base.semver")

            local msvc = package:toolchain("msvc")
            if msvc then
                local vs_sdkver = msvc:config("vs_sdkver")
                assert(vs_sdkver and semver.match(vs_sdkver):gt("10.0.19041"), "package(libwebsockets): need vs_sdkver > 10.0.19041.0")
            end
        end)
    end

    on_load(function (package)
        local deps_map = {
            ["ssl"] = "openssl"
        }
        for name, enabled in table.orderpairs(package:configs()) do
            if not package:extraconf("configs", name, "builtin") then
                if package:config(name) then
                    local dep_name = deps_map[name]
                    if not dep_name then
                        dep_name = name
                    end
                    package:add("deps", dep_name)
                end
            end
        end
    end)

    on_install("!wasm", function (package)
        io.replace("CMakeLists.txt", "/WX", "", {plain = true})
        io.replace("CMakeLists.txt", "set(CMAKE_MSVC_RUNTIME_LIBRARY MultiThreaded$<$<CONFIG:Debug>:Debug>DLL)", "", {plain = true})
        if not package:is_plat("linux") or not package:config("libcap") then
            io.replace("CMakeLists.txt", [[CHECK_LIBRARY_EXISTS(cap cap_set_flag "" LWS_HAVE_LIBCAP)]], "", {plain = true})
        end

        local configs = {
            "-DDISABLE_WERROR=ON",
            "-DLWS_WITH_MINIMAL_EXAMPLES=OFF",
            "-DLWS_WITHOUT_TESTAPPS=ON",
            "-DCMAKE_POLICY_DEFAULT_CMP0057=NEW",
        }
        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:is_debug() and "Debug" or "Release"))
        table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
        table.insert(configs, "-DLWS_WITH_STATIC=" .. (package:config("shared") and "OFF" or "ON"))
        table.insert(configs, "-DLWS_WITH_SHARED=" .. (package:config("shared") and "ON" or "OFF"))
        table.insert(configs, "-DLWS_WITH_ASAN=" .. (package:config("asan") and "ON" or "OFF"))

        table.insert(configs, "-DLWS_WITH_SSL=" .. (package:config("ssl") and "ON" or "OFF"))
        table.insert(configs, "-DLWS_WITH_LIBEV=" .. (package:config("libev") and "ON" or "OFF"))
        table.insert(configs, "-DLWS_WITH_LIBUV=" .. (package:config("libuv") and "ON" or "OFF"))
        table.insert(configs, "-DLWS_WITH_LIBEVENT=" .. (package:config("libevent") and "ON" or "OFF"))
        table.insert(configs, "-DLWS_WITH_GLIB=" .. (package:config("glib") and "ON" or "OFF"))
        import("package.tools.cmake").install(package, configs)
    end)

    on_test(function (package)
        assert(package:has_cfuncs("lws_create_context", {includes = "libwebsockets.h"}))
    end)