Remove some warnings from clang. (#7533)

* Unused variable. * Unnecessary virtual function.
2022-01-05 03:28:21 +08:00
parent ec56d5869b
commit eea094e1bc
3 changed files with 4 additions and 9 deletions
--- a/src/c_api/c_api_utils.h
+++ b/src/c_api/c_api_utils.h
@@ -165,9 +165,9 @@ inline float GetMissing(Json const &config) {

 // Safe guard some global variables from being changed by XGBoost.
 class XGBoostAPIGuard {
+#if defined(XGBOOST_USE_CUDA)
  int32_t device_id_ {0};

-#if defined(XGBOOST_USE_CUDA)
  void SetGPUAttribute();
  void RestoreGPUAttribute();
 #else