<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Well, it would be interesting to do a FreeBSD ports exp-run with these headers removed. You'd be surprised how much software is out there using obsolete, experimental and/or not even officially existing headers. :-)<div class=""><br class=""></div><div class="">-Dimitry<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 4 Feb 2019, at 20:31, Louis Dionne via libcxx-dev <<a href="mailto:libcxx-dev@lists.llvm.org" class="">libcxx-dev@lists.llvm.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html; charset=us-ascii" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi,<div class=""><br class=""></div><div class="">Libc++ has been shipping the <ext/hash_set>, <ext/hash_map> and <ext/__hash> headers for a while and they are deprecated. Those headers contain data structures like __gnu_cxx::hash_map that have replacements like std::unordered_map. I would like to remove those headers. I've put up a patch for review but I won't commit it until we have a sort of plan because I know some people have expressed feelings about removing the headers in the past: <a href="https://reviews.llvm.org/D57688" class="">https://reviews.llvm.org/D57688</a>.</div><div class=""><br class=""></div><div class="">FWIW, I've compiled a large code base with that patch and I didn't get any trouble. I suspect the amount of breakage this will cause is manageable especially if we give advance notice, but others might disagree.</div><div class=""><br class=""></div><div class="">Is anybody opposed to removing those headers? If you're opposed to the removal, please explain why and what removal timeline/plan would work for you.</div><div class=""><br class=""></div><div class="">Thanks!</div><div class="">Louis</div><div class=""><br class=""></div></div>_______________________________________________<br class="">libcxx-dev mailing list<br class=""><a href="mailto:libcxx-dev@lists.llvm.org" class="">libcxx-dev@lists.llvm.org</a><br class="">https://lists.llvm.org/cgi-bin/mailman/listinfo/libcxx-dev<br class=""></div></blockquote></div><br class=""></div></body></html>