1 files changed, 2 insertions, 0 deletions
diff --git a/tests/runner.py b/tests/runner.py
index eb93b7e4..5d9473f7 100755
--- a/tests/runner.py
+++ b/tests/runner.py
@@ -1709,6 +1709,8 @@ m_divisor is 1091269979
         self.do_run(src, '*51,87,78,550,100,78,550*')
 
     def test_isdigit_l(self):
+        if self.emcc_args is None: return self.skip('no libcxx inclusion without emcc')
+
         src = '''
           #include <iostream>
           int main() {