diff --git a/packages/f/fribidi/xmake.lua b/packages/f/fribidi/xmake.lua
index 0dfdb84c4cf..15c951cfee8 100644
--- a/packages/f/fribidi/xmake.lua
+++ b/packages/f/fribidi/xmake.lua
@@ -20,6 +20,7 @@ package("fribidi")
         add_configs("shared", {description = "Build shared library.", default = false, type = "boolean", readonly = true})
     end
 
+    add_includedirs("include", "include/fribidi")
     on_load("windows", function (package)
         if not package:config("shared") then
             package:add("defines", "FRIBIDI_LIB_STATIC")
diff --git a/packages/l/libass/xmake.lua b/packages/l/libass/xmake.lua
new file mode 100644
index 00000000000..f7ca6cbf386
--- /dev/null
+++ b/packages/l/libass/xmake.lua
@@ -0,0 +1,30 @@
+package("libass")
+    set_homepage("https://github.com/libass/libass")
+    set_description("libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format.")
+
+    add_urls("https://github.com/libass/libass/-/archive/$(version).tar.gz",
+             "https://github.com/libass/libass.git")
+
+    add_versions("0.17.1", "5ba42655d7e8c5e87bba3ffc8a2b1bc19c29904240126bb0d4b924f39429219f")
+
+    add_deps("autoconf", "automake", "libtool", "fribidi", "freetype", "harfbuzz")
+
+    if is_plat("wasm") then
+        add_configs("shared", {description = "Build shared library.", default = false, type = "boolean", readonly = true})
+    end
+
+    on_install(function (package)
+        local configs = {"--disable-require-system-font-provider"}
+        table.insert(configs, "--enable-shared=" .. (package:config("shared") and "yes" or "no"))
+        if package:is_debug() then
+            table.insert(configs, "--enable-debug")
+        end
+        if package:is_plat("wasm") then
+            table.join2(configs, {"--host=i686-gnu", "--disable-asm", "--disable-fontconfig"})
+        end
+        import("package.tools.autoconf").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("foo", {includes = "foo.h"}))
+    end)