diff --git a/clang b/clang
deleted file mode 100644
index e69de29bb..000000000
diff --git a/packages/l/libomp/xmake.lua b/packages/l/libomp/xmake.lua
index 58733d37a..9240d39f3 100644
--- a/packages/l/libomp/xmake.lua
+++ b/packages/l/libomp/xmake.lua
@@ -7,6 +7,9 @@ package("libomp")
     add_versions("10.0.1", "d19f728c8e04fb1e94566c8d76aef50ec926cd2f95ef3bf1e0a5de4909b28b44")
     add_versions("11.1.0", "d187483b75b39acb3ff8ea1b7d98524d95322e3cb148842957e9b0fbb866052e")
     add_versions("12.0.1", "60fe79440eaa9ebf583a6ea7f81501310388c02754dbe7dc210776014d06b091")
+    add_versions("19.1.0", "c036fd95c8eeea8d7bce4196ee20cc5c5a99702d6ec7f0bb19828e315bc3a9ac")
+
+    add_resources("19.1.0", "llvm_cmake", "https://github.com/llvm/llvm-project/releases/download/llvmorg-19.1.0/cmake-19.1.0.src.tar.xz", "dc78b6a9ac8a097ca6ac0f23c06821d65e6ea3bf666026f529994c1d01056ae7")
 
     add_configs("shared", {description = "Build shared library.", default = true, type = "boolean"})
 
@@ -25,12 +28,28 @@ package("libomp")
         add_extsources("apt::libomp-dev")
         add_syslinks("pthread", "dl")
     end
+    on_load(function (package)
+        if package:version():ge("19.0") and package:is_built() then
+            package:add("deps", "python 3.x", {kind = "binary"})
+        end
+    end)
 
     on_install("macosx", "linux", "cross", function (package)
-        local configs = {"-DLIBOMP_INSTALL_ALIASES=OFF"}
+        local version = package:version()
+        if version:ge("19.0") then
+            local llvm_cmake = package:resourcedir("llvm_cmake")
+            local cmake = os.dirs(path.join(llvm_cmake, "*.src"))[1]
+            io.gsub("CMakeLists.txt", "set%(LLVM_COMMON_CMAKE_UTILS .-%)", "set(LLVM_COMMON_CMAKE_UTILS \"" .. cmake .. "\")")
+            io.replace("CMakeLists.txt", "include(OpenMPTesting)", "function(add_openmp_testsuite target comment)\nreturn()\nendfunction()", {plain = true})
+            io.replace("CMakeLists.txt", "construct_check_openmp_target()", "", {plain = true})
+            io.replace("runtime/test/CMakeLists.txt", "update_test_compiler_features", "#update_test_compiler_features", {plain = true})
+        end
+
+        local configs = {"-DOPENMP_STANDALONE_BUILD=ON", "-DOPENMP_ENABLE_LIBOMPTARGET=OFF", "-DLIBOMP_INSTALL_ALIASES=OFF"}
         local shared = package:config("shared")
         table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (shared and "ON" or "OFF"))
         table.insert(configs, "-DLIBOMP_ENABLE_SHARED=" .. (shared and "ON" or "OFF"))
+        table.insert(configs, "-DLIBOMP_OMPD_GDB_SUPPORT=" .. (package:is_cross() and "OFF" or "ON"))
         import("package.tools.cmake").install(package, configs)
     end)