Created attachment 194708 [details] build log See attached log.
(In reply to rainer from comment #0) Looks like this port just needs USE_CXXSTD=c++98 or similar to build with Clang 6.
A commit references this bug: Author: tobik Date: Sun Aug 26 10:04:47 UTC 2018 New revision: 478117 URL: https://svnweb.freebsd.org/changeset/ports/478117 Log: devel/commoncpp: Fix build with Clang 6 socket.cpp:1293:12: error: invalid argument type '__bind<volatile int &, sockaddr *&, unsigned int>' to unary expression if(!bind(so, list->ai_addr, (socklen_t)list->ai_addrlen)) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ http://beefy11.nyi.freebsd.org/data/head-i386-default/p477696_s338122/logs/errors/commoncpp-1.8.1_2,2.log PR: 229389 Reported by: rainer@ultra-secure.de Submitted by: tobik Approved by: acm (maintainer timeout, 2 months) Changes: head/devel/commoncpp/Makefile