Re: [cone] Poll: C++11 compiler support
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From: Nux! <nu...@li...> - 2017-03-06 09:10:51
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Hello, Got errors with both commands: CentOS 6 x86_64, gcc version 4.4.7 20120313 (Red Hat 4.4.7-17) (GCC) This could have some impact as CentOS 6 is still pretty used in the server world. g++ -o utest utest.C utest.C: In function ‘int main()’: utest.C:5: error: ‘char32_t’ was not declared in this scope utest.C:5: error: expected ‘;’ before ‘c’ utest.C:6: error: ‘u32string’ is not a member of ‘std’ utest.C:6: error: expected ‘;’ before ‘u’ g++ -std=c++11 -o utest utest.C cc1plus: error: unrecognized command line option "-std=c++11" -- Sent from the Delta quadrant using Borg technology! Nux! www.nux.ro ----- Original Message ----- > From: "Sam Varshavchik" <mr...@co...> > To: cou...@li..., cou...@li..., cou...@li..., > "SqWebMail mailing list" <cou...@li...>, "Maildrop mailing list" > <cou...@li...>, cou...@li... > Sent: Sunday, 5 March, 2017 20:21:43 > Subject: [cone] Poll: C++11 compiler support > The forward match of progress is requiring a clean break from the pre-c++11 > days. Under consideration is migrating the courier-unicode library, used by > both Courier and Cone, to use C++11's unicode support only. > > I am taking a poll whether there's still any notable platforms where Courier > and Cone is used that's still using an old compiler that does not support > C++11. > > According to gcc's documentation, gcc 4.8.1 was the first version with full > C++11 support; but it's likely that older versions of gcc had sufficient > support. gcc 4.5's compliance page gives Unicode string literals as > supported, so I'm fairly confident of sufficient C++11 unicode support at > least in gcc 4.5, at the latest. > > I'd like to know if your compiler does not support C++11 unicode strings. > This can be determined with a simple test: > > #include <string> > > int main() > { > char32_t c=0; > std::u32string u; > > return 0; > } > > Save the above as "utest.C", then execute either: > > g++ -o utest utest.C > > or > > g++ -std=c++11 -o utest utest.C > > If either one completes without errors, you're good. This is if your > compiler is "g++", of course. Certain platforms, like Debian, FreeBSD, and > many others, might have multiple versions of gcc installed; typically as > "g++NN". Use the appropriate command for your gcc. > > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > Courier-cone mailing list > Cou...@li... > Unsubscribe: https://lists.sourceforge.net/lists/listinfo/courier-cone |