<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div><br></div><div><br>On 25 Sep 2016, at 2:25 pm, Brandon Allbery <<a href="mailto:allbery.b@gmail.com">allbery.b@gmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Sep 25, 2016 at 8:29 AM, Ken Cunningham <span dir="ltr"><<a href="mailto:ken.cunningham.webuse@gmail.com" target="_blank">ken.cunningham.webuse@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">What is happening exactly on my MacPros running 10.11, I wonder? Software installed by macports on 10.11 is using clang++ (mostly) and g++ (sometimes). clang++ is linking against libc++, and g++ is presumably linking against libstdc++ as that is what it does -- yet there appear to be no visible issues...and these libraries find each other. </blockquote></div><br>An additional complication is that it's not using the same libstdc++: it's using the GPL3 one with C++11 support, not Apple's GPL2/pre-C++11 one. So potentially the clash here is between the two libstdc++ versions, not libstdc++ and libc++.<br></div></div></div></blockquote><div><br></div>Indeed, mixing two different libstdc++ runtimes has the same sort of issues as mixing libstd++ with libc++.<div><br><blockquote type="cite"><div><div dir="ltr"><div class="gmail_extra"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>brandon s allbery kf8nh sine nomine associates</div><div><a href="mailto:allbery.b@gmail.com" target="_blank">allbery.b@gmail.com</a> <a href="mailto:ballbery@sinenomine.net" target="_blank">ballbery@sinenomine.net</a></div><div>unix, openafs, kerberos, infrastructure, xmonad <a href="http://sinenomine.net" target="_blank">http://sinenomine.net</a></div></div></div>
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