Add #include <compare> for defaulted spaceship operators in C++20

mctools · Dec 2, 2020 · 476e94c · 476e94c
1 parent 1e1eb9c
commit 476e94c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/ncrystal_core/include/NCrystal/NCDefs.hh b/ncrystal_core/include/NCrystal/NCDefs.hh
@@ -38,6 +38,9 @@
 #include <set>
 #include <mutex>
 #include <atomic>
+#if __cplusplus >= 202002L
+#  include <compare>
+#endif
 
 #ifndef ncrystal_api_h
 #  include "NCrystal/ncapi.h"