fix clang c++

2 files changed, 4 insertions, 4 deletions

diff --git a/tests/projects/c++/modules/stdmodules/test/test.cpp b/tests/projects/c++/modules/stdmodules/test/test.cpp
index 380f02838..a12813c24 100644
--- a/tests/projects/c++/modules/stdmodules/test/test.cpp
+++ b/tests/projects/c++/modules/stdmodules/test/test.cpp
@@ -1,5 +1,3 @@
-#include <stdio.h>
-
 #ifdef _MSC_VER
 import std.core;
 #else
@@ -8,6 +6,8 @@ import std;
 
 import my_module;
 
+using namespace std;
+
 int main(int argc, char** argv) {
-    printf("sum: %d\n", my_sum(1, 1));
+    cout << my_sum(1, 1) << endl;
 }
diff --git a/xmake/rules/c++/modules/modules_support/clang.lua b/xmake/rules/c++/modules/modules_support/clang.lua
index 0727cb6d5..a3cf06e79 100644
--- a/xmake/rules/c++/modules/modules_support/clang.lua
+++ b/xmake/rules/c++/modules/modules_support/clang.lua
@@ -97,7 +97,7 @@ function load(target)
     -- on ubuntu:
     -- sudo apt install libc++-dev libc++abi-15-dev
     --
-    target:data_set("cxx.modules.use_libc++", table.contains(target:get("cxxflags"), "-stdlib=libc++"))
+    target:data_set("cxx.modules.use_libc++", table.contains(target:get("cxxflags"), "-stdlib=libc++", "clang::-stdlib=libc++"))
     if target:data("cxx.modules.use_libc++") then
         target:add("syslinks", "c++")
     end