fix libc++.modules.json finding

1 files changed, 2 insertions, 2 deletions

diff --git a/xmake/rules/c++/modules/modules_support/clang/compiler_support.lua b/xmake/rules/c++/modules/modules_support/clang/compiler_support.lua
index 24915cd04..dc6930b23 100644
--- a/xmake/rules/c++/modules/modules_support/clang/compiler_support.lua
+++ b/xmake/rules/c++/modules/modules_support/clang/compiler_support.lua
@@ -209,9 +209,9 @@ function get_stdmodules(target)
                 -- @see https://github.com/llvm/llvm-project/pull/76451 (has been revert, so we need to wait)
                 local clang_path = path.directory(get_clang_path(target))
                 local clang_lib_path = path.join(clang_path, "..", "lib")
-                local modules_json_path = find_file("libc++.modules.json", clang_lib_path)
+                local modules_json_path = path.join(clang_lib_path, "libc++.modules.json")
                 -- maybe in subdir
-                if not modules_json_path then
+                if not os.isfile(modules_json_path) then
                     modules_json_path = find_file("*/libc++.modules.json", clang_lib_path)
                 end
                 if modules_json_path then