https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68115
--- Comment #6 from dave.anglin at bell dot net --- On 2015-11-15, at 10:46 AM, ian at airs dot com wrote: > The HAVE_SYNC_FUNCTIONS test is in libbacktrace/internal.h, and it #define's > the functions. You can see that that is happening because the warning is > about > a macro expansion. It looks like we just need to add some sort of cast to > disable the warning in this specific case. What about using "#pragma GCC diagnostic"? -- John David Anglin dave.ang...@bell.net