Date: Thu, 30 Nov 2017 09:28:56 +1100 From: andrew clarke <mail@ozzmosis.com> To: Yuri <yuri@freebsd.org> Cc: "ports@freebsd.org" <ports@freebsd.org> Subject: Re: Correct __cplusplus where std::tr1::function turns into std::function ? Message-ID: <20171129222856.wuiw7h3sqgd3r2as@ozzmosis.com> In-Reply-To: <1c147960-69be-0d66-84d4-146acb8fb752@freebsd.org> References: <1c147960-69be-0d66-84d4-146acb8fb752@freebsd.org>
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On Wed 2017-11-29 13:32:32 UTC-0800, Yuri (yuri@freebsd.org) wrote: > |This code picks the latter (tr1) version on 11,1-STABLE while the correct > choice is the former variant. #elif __cplusplus >= 201103L || > (defined(_MSC_VER) && _MSC_VER >= 1800) using std::function; #else using > std::tr1::function; #endif symbols What is the correct __cplusplus then? And > how to find it for other symbols for future reference? (Googling failed to > find it.) Thanks! Yuri | You probably need to enable C++11 support: clang++ -std=c++11 otherwise clang++ sets __cplusplus to 199711L.
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