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</o:shapelayout></xml><![endif]--></head><body lang=EN-IE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'>Will LibC++ still enable ‘</span><span style='font-family:"Courier New";mso-fareast-language:EN-US'>auto_ptr</span><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'>’ when ‘</span><span style='font-family:"Courier New";mso-fareast-language:EN-US'>-std=c++[98|11|15]</span><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'>’ are chosen? I assume that it will. If ‘</span><span style='font-family:"Courier New";mso-fareast-language:EN-US'>auto_ptr</span><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'>’ is entirely in the headers, I don’t see any problems, but if some support is in the library, how should the library itself be built so that a single library build supports all of the Standards? Will we need to provide Multilib builds of the libraries for C++17 versus its predecessors?<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'> MartinO<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Book Antiqua",serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> llvm-dev [mailto:llvm-dev-bounces@lists.llvm.org] <b>On Behalf Of </b>Marshall Clow via llvm-dev<br><b>Sent:</b> 24 January 2017 22:34<br><b>To:</b> llvm-dev@lists.llvm.org<br><b>Subject:</b> Re: [llvm-dev] Upcoming removal of std::auto_ptr (in C++1z)<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Mon, Jan 23, 2017 at 1:32 PM, Marshall Clow <<a href="mailto:mclow.lists@gmail.com" target="_blank">mclow.lists@gmail.com</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><p class=MsoNormal>The upcoming C++1z (probably C++17) standard will not contain several things - most notably auto_ptr.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Soon, libc++ will not be providing auto_ptr by default when building in C++1z mode.<o:p></o:p></p></div><div><p class=MsoNormal>You'll be able to get it back with a <o:p></o:p></p></div><div><p class=MsoNormal>"-D_LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR" on your command line, or "#define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR" before including any libc++ header files.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Landed as revision 292986.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>-- Marshall <o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>