diff --git a/packages/a/alsa-lib/xmake.lua b/packages/a/alsa-lib/xmake.lua
new file mode 100644
index 00000000000..e777588dce8
--- /dev/null
+++ b/packages/a/alsa-lib/xmake.lua
@@ -0,0 +1,27 @@
+package("alsa-lib")
+    set_homepage("https://alsa-project.org/wiki/Main_Page")
+    set_description("The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI functionality to the Linux operating system.")
+
+    set_urls("http://www.alsa-project.org/files/pub/lib/alsa-lib-$(version).tar.bz2")
+
+    add_versions("1.2.10", "c86a45a846331b1b0aa6e6be100be2a7aef92efd405cf6bac7eef8174baa920e")
+    add_versions("0.9.0rc4", "e00a6705ef139a950c02707d1b361b0b893c0aca44999376882532a2df06b2d4")
+
+    on_install("linux", function (package)
+        local configs = {"--without-versioned"}
+        table.insert(configs, "--enable-shared=" .. (package:config("shared") and "yes" or "no"))
+        table.insert(configs, "--enable-static=" .. (package:config("shared") and "no" or "yes"))
+        if package:is_debug() then
+            table.insert(configs, "--enable-debug")
+        end
+        import("package.tools.autoconf").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:check_csnippets({test = [[
+            void test() {
+                snd_ctl_card_info_t *info;
+                snd_ctl_card_info_alloca(&info);
+            }
+        ]]}, {includes = {"alsa/asoundlib.h"}}))
+    end)
diff --git a/packages/o/openjdk/xmake.lua b/packages/o/openjdk/xmake.lua
new file mode 100644
index 00000000000..ca6385b2157
--- /dev/null
+++ b/packages/o/openjdk/xmake.lua
@@ -0,0 +1,85 @@
+package("openjdk")
+    set_homepage("https://jdk.java.net")
+    set_description("Java Development Kit builds, from Oracle")
+    set_license("GPL-2.0")
+
+    if is_host("windows", "mingw") then
+        add_urls("https://download.java.net/java/GA/jdk$(version)/6e380f22cbe7469fa75fb448bd903d8e/9/GPL/openjdk-$(version)_windows-x64_bin.zip")
+        add_versions("20.0.2", "7e5870fd2e19b87cbd1981c4ff7203897384c2eb104977f40ce4951b40ab433e")
+    elseif is_host("linux") then
+        if is_arch("x86_64") then
+            add_urls("https://download.java.net/java/GA/jdk$(version)/6e380f22cbe7469fa75fb448bd903d8e/9/GPL/openjdk-$(version)_linux-x64_bin.tar.gz")
+            add_versions("20.0.2", "beaf61959c2953310595e1162b0c626aef33d58628771033ff2936609661956c")
+        elseif is_arch("arm64") then
+            add_urls("https://download.java.net/java/GA/jdk$(version)/6e380f22cbe7469fa75fb448bd903d8e/9/GPL/openjdk-$(version)_linux-aarch64_bin.tar.gz")
+            add_versions("20.0.2", "3238c93267c663dbca00f5d5b0e3fbba40e1eea2b4281612f40542d208b6dd9a")
+        end
+    elseif is_host("macosx") then
+        if is_arch("x86_64") then
+            add_urls("https://download.java.net/java/GA/jdk$(version)/6e380f22cbe7469fa75fb448bd903d8e/9/GPL/openjdk-$(version)_macos-x64_bin.tar.gz")
+            add_versions("20.0.2", "c65ba92b73d8076e2a10029a0674d40ce45c3e0183a8063dd51281e92c9f43fc")
+        elseif is_arch("arm64") then
+            add_urls("https://download.java.net/java/GA/jdk$(version)/6e380f22cbe7469fa75fb448bd903d8e/9/GPL/openjdk-$(version)_macos-x64_bin.tar.gz")
+            add_versions("20.0.2", "2e6522bb574f76cd3f81156acd59115a014bf452bbe4107f0d31ff9b41b3da57")
+        end
+    end
+
+    add_configs("shared", {description = "Download shared binaries.", default = true, type = "boolean", readonly = true})
+
+    if is_plat("linux") then
+        add_extsources("pacman::jdk-openjdk")
+    elseif is_plat("macosx") then
+        add_extsources("brew::openjdk")
+    end
+
+    on_fetch(function (package, opt)
+        if opt.system then
+            local sdkdir = os.getenv("JAVA_HOME")
+            if os.isdir(sdkdir) then
+                local result = {}
+                if package:is_plat("windows", "mingw") then
+                    result.includedirs = {path.join(sdkdir, "include"), path.join(sdkdir, "include", "win32")}
+                    result.linkdirs = path.join(sdkdir, "lib")
+                    result.links = {"jvm", "jawt"}
+                    package:addenv("PATH", path.join(sdkdir, "bin"), path.join(sdkdir, "bin", "server"))
+                end
+                return result
+            end
+        end
+    end)
+
+    on_load("linux", function (package)
+        if package:version():eq("20.0.2") then
+            package:add("deps", "alsa-lib 0.9.0rc4")
+        end
+    end)
+
+    on_install("windows|x64", "linux|x86_64", "linux|arm64", "macosx|x86_64", "macosx|arm64", "mingw|x86_64", function (package)
+        local plat
+        if package:is_plat("windows", "mingw") then
+            plat = "win32"
+            package:addenv("PATH", "bin/server")
+        else
+            package:add("linkdirs", "lib", "lib/server")
+            if package:is_plat("linux") then
+                plat = "linux"
+            elseif package:is_plat("macosx") then
+                plat = "darwin"
+                os.cd("Contents/Home")
+            end
+        end
+
+        os.cp("bin", package:installdir())
+        os.cp("include", package:installdir())
+        os.cp("lib", package:installdir())
+        os.cp("jmods", package:installdir("lib"))
+        os.cp("conf", package:installdir())
+
+        package:add("includedirs", "include", path.join("include", plat))
+        package:addenv("PATH", "bin")
+    end)
+
+    on_test(function (package)
+        os.vrun("java -version")
+        assert(package:has_cfuncs("JNI_CreateJavaVM", {includes = "jni.h"}))
+    end)