Avoid unknown pragma GCC diagnostic warning on GCC < 9

3 years ago · c4e3c2cd75
parent 0c9a7e1cbb
commit c4e3c2cd75
1 changed files with 2 additions and 0 deletions
--- a/src/3rdparty/cpp-btree/btree.h
+++ b/src/3rdparty/cpp-btree/btree.h
@ -726,7 +726,9 @@ class btree_node {

 #ifndef _MSC_VER
 #pragma GCC diagnostic push
+#if (__GNUC__ >= 9)
 #pragma GCC diagnostic ignored "-Wdeprecated-copy"
+#endif
 #endif /* _MSC_VER */

 template <typename Node, typename Reference, typename Pointer>