Merge pull request #153 from glenfe/fallthrough

Add BOOST_FALLTHROUGH for gcc
2017-06-12 11:53:03 +01:00
parent 5d17cf16be 62189d3b86
commit 4c7b536b3a
1 changed files with 4 additions and 0 deletions
--- a/include/boost/config/compiler/gcc.hpp
+++ b/include/boost/config/compiler/gcc.hpp
@ -299,6 +299,10 @@
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif

+#if __GNUC__ >= 7
+#  define BOOST_FALLTHROUGH __attribute__((fallthrough))
+#endif
+
 //
 // Unused attribute:
 #if __GNUC__ >= 4