
<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Someone please answer this excellent question:<div class=""><a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__stackoverflow.com_questions_27881949_unknown-2Dpackage-2Dlibcxx-2Dand-2Dlibcxxabi-2Dwhen-2Dbuilding-2Dclang&d=AwMCAg&c=8hUWFZcy2Z-Za5rBPlktOQ&r=Mfk2qtn1LTDThVkh6-oGglNfMADXfJdty4_bhmuhMHA&m=GatIX8GKiDK6i83XAt6cMnfcJ85kY2CspS06Ar8IywE&s=cRGwMIZdduWLJMKToyAgKj3LjTsDG8MPt29Wqg0PHNU&e=" class="">http://stackoverflow.com/questions/27881949/unknown-package-libcxx-and-libcxxabi-when-building-clang</a></div><div class=""><br class=""></div><div class="">Thanks</div></body></html>