"Embedded directive has undefined behavior" build failure(s) — clang 5.0

PackageVersionSupposed error messageFull log Bug report
libssh 0.7.5-1sample.c:87:2: error: embedding a directive within macro arguments has undefined behavior [-Werror,-Wembedded-directive] Log
radsecproxy 1.6.9-1radsecproxy-hash.c:22:2: error: embedding a directive within macro arguments has undefined behavior [-Werror,-Wembedded-directive] Log

2 errors