2017-08-25 9:46 GMT+02:00 Mark Millard <mar...@dsl-only.net>:
> It appears that at least 11.1-STABLE -r322807 does not handle
> -std=c++98 styles of use of _Static_assert for g++7 in that
> g++7 reports an error:

Maybe we need to do something like this?

Index: sys/sys/cdefs.h
===================================================================
--- sys/sys/cdefs.h (revision 322887)
+++ sys/sys/cdefs.h (working copy)
@@ -294,7 +294,7 @@
 #if (defined(__cplusplus) && __cplusplus >= 201103L) || \
     __has_extension(cxx_static_assert)
 #define _Static_assert(x, y) static_assert(x, y)
-#elif __GNUC_PREREQ__(4,6)
+#elif __GNUC_PREREQ__(4,6) && !defined(__cplusplus)
 /* Nothing, gcc 4.6 and higher has _Static_assert built-in */
 #elif defined(__COUNTER__)
 #define _Static_assert(x, y) __Static_assert(x, __COUNTER__)


-- 
Ed Schouten <e...@nuxi.nl>
Nuxi, 's-Hertogenbosch, the Netherlands
KvK-nr.: 62051717
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