only use __has_extension if defined

turbolent · Jun 22, 2024 · 6618b5b · 6618b5b
1 parent cb253a0
commit 6618b5b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/w2c2/w2c2_base.h b/w2c2/w2c2_base.h
@@ -1105,7 +1105,7 @@ typedef struct wasmModuleInstance {
 
 #ifdef _MSC_VER
 #define WASM_ATOMICS_MSVC
-#elif defined(__GNUC__) && (GCC_VERSION >= 40700 || (defined(__clang__) && __has_extension(c_atomic)))
+#elif defined(__GNUC__) && (GCC_VERSION >= 40700 || (defined(__clang__) && defined(__has_extension) && __has_extension(c_atomic)))
 #define WASM_ATOMICS_GCC
 #endif