Avoid -Wundef warnings

2024-01-06 16:30:15 +02:00
parent 11f102a987
commit ad15fefae7
14 changed files with 14 additions and 14 deletions
--- a/include/boost/exception/to_string.hpp
+++ b/include/boost/exception/to_string.hpp
@ -11,7 +11,7 @@
 #include <sstream>

 #ifndef BOOST_EXCEPTION_ENABLE_WARNINGS
-#if __GNUC__*100+__GNUC_MINOR__>301
+#if defined(__GNUC__) && __GNUC__*100+__GNUC_MINOR__>301
 #pragma GCC system_header
 #endif
 #ifdef __clang__