<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Jul 29, 2011, at 3:02 PM, Howard Hinnant wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; ">On Jul 29, 2011, at 5:58 PM, Chris Lattner wrote:<br><br><blockquote type="cite"><br></blockquote><blockquote type="cite">On Jul 29, 2011, at 2:35 PM, Howard Hinnant wrote:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><blockquote type="cite">Author: hhinnant<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Date: Fri Jul 29 16:35:53 2011<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">New Revision: 136526<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">URL:<span class="Apple-converted-space"> </span><a href="http://llvm.org/viewvc/llvm-project?rev=136526&view=rev">http://llvm.org/viewvc/llvm-project?rev=136526&view=rev</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Log:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Configure to get along with 2.9 clang<br></blockquote></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Hi Howard,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Checking __clang_major__ is really gross. Is there any other way to do this?<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">-Chris<br></blockquote><br><br>I need _LIBCPP_HAS_NO_ADVANCED_SFINAE to be set for clang versions less than 3, and not for versions 3 and greater. __clang_major__ seems to do exactly what I need.<br><br>Howard<br></span></blockquote></div><br><div>Can't we just define a __has_feature() for this? That's why we invented it.</div></body></html>