<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Oct 16, 2015, at 3:27 PM, Richard Smith <<a href="mailto:richard@metafoo.co.uk" class="">richard@metafoo.co.uk</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="gmail_extra"><div class="gmail_quote">On Thu, Oct 15, 2015 at 11:14 AM, Adrian Prantl <span dir="ltr" class=""><<a href="mailto:aprantl@apple.com" target="_blank" class="">aprantl@apple.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><span class=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Oct 14, 2015, at 5:07 PM, Richard Smith <<a href="mailto:richard@metafoo.co.uk" target="_blank" class="">richard@metafoo.co.uk</a>> wrote:</div><div class=""><div dir="ltr" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class=""><div class="gmail_extra"><div class="gmail_quote"><div class=""><br class=""></div><div class="">Ack, there are non-modular headers in the Darwin module. =( I seem to recall that they're not version-locked to your compiler, so we've got to support them as-is?</div><div class=""><br class=""></div><div class="">If we can't turn on local submodule visibility, then we need a module map for libc++ that covers all of its headers. I'll look into pruning the include path when building a module from an implicitly-loaded module map.</div></div></div></div></div></blockquote></div><br class=""></span><div class="">The attached patch implements this in the most hacky way; with it I can successfully compile the first few hundred files of LLVM.</div></div></blockquote><div class=""><br class=""></div><div class="">Slightly less hacky approach attached, does this also unstick you? </div></div></div></div>
<span id="cid:6B583596-95B1-4DE8-BD27-1E612A837F87@apple.com"><no-undeclared-includes.diff></span></div></blockquote><br class=""></div><div>Unfortunately, no. After looking at it in the debugger, I believe the problem is that HeaderSearch looks at RequestingModule->NoUndeclaredIncludes, but the RequestingModule is a nullptr (while looking for cdefs.h included via assert.h, for example).</div><div><br class=""></div><div>— adrian</div><br class=""></body></html>