Date: Tue, 27 Aug 2013 15:34:39 +0800 (SGT) From: Quark <unixuser2000-fbsd@yahoo.com> To: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: c++11 question: clang++ 3.3 <future> header not found Message-ID: <1377588879.62683.YahooMailNeo@web190703.mail.sg3.yahoo.com> In-Reply-To: <1377588169.38174.YahooMailNeo@web190702.mail.sg3.yahoo.com> References: <1377588169.38174.YahooMailNeo@web190702.mail.sg3.yahoo.com>
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list, please pardon
my stupid mail client hung, giving me impression that e-mail was not sent.
apologies for spam.
----- Original Message -----
> From: Quark <unixuser2000-fbsd@yahoo.com>
> To: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
> Cc:
> Sent: Tuesday, 27 August 2013 12:52 PM
> Subject: c++11 question: clang++ 3.3 <future> header not found
>
> % uname -a
> FreeBSD cobalt 9.2-RC3 FreeBSD 9.2-RC3 #0 r254795: Sat Aug 24 20:25:04 UTC 2013
> root@bake.isc.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64
>
> % clang++ --version
> FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610
> Target: x86_64-unknown-freebsd9.2
> Thread model: posix
>
> test program
> #include <iostream>
> #include <future>
>
> int main( int argc, char* argv[])
> {
> auto f = std::async( [] () {
> std::cout << "Hello, World!" <<
> std::endl;
> });
> f.wait();
> return 0;
> }
>
>
> error received is
> % clang++ -otest test.cc
>
> test.cc:2:10: fatal error: 'future' file not found
> #include <future>
> ^
> 1 error generated.
>
> I guess clang is re-using system headers which belong to older gcc 4.2
> I also have gcc48 installed, how can I make clang to refer gcc48 headers?
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