use feature test macro to detect char8_t support

allows compilation in c++20 mode when using /Zc:char8_t- or -fno-char8_t compiler flags
martinus · Aug 27, 2023 · 202db83 · 202db83
1 parent a570a0e
commit 202db83
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/ankerl/unordered_dense.h b/include/ankerl/unordered_dense.h
@@ -347,7 +347,7 @@ ANKERL_UNORDERED_DENSE_HASH_STATICCAST(bool);
 ANKERL_UNORDERED_DENSE_HASH_STATICCAST(char);
 ANKERL_UNORDERED_DENSE_HASH_STATICCAST(signed char);
 ANKERL_UNORDERED_DENSE_HASH_STATICCAST(unsigned char);
-#    if ANKERL_UNORDERED_DENSE_CPP_VERSION >= 202002L
+#    if ANKERL_UNORDERED_DENSE_CPP_VERSION >= 202002L && defined(__cpp_char8_t)
 ANKERL_UNORDERED_DENSE_HASH_STATICCAST(char8_t);
 #    endif
 ANKERL_UNORDERED_DENSE_HASH_STATICCAST(char16_t);