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From: | Frank Rehwinkel |
Subject: | Re: FreeBSD 9.1 missing libcxxrt - is it needed for objc2? |
Date: | Fri, 14 Jun 2013 09:36:43 -0400 |
On 14 Jun 2013, at 12:31, Maxthon Chan <address@hidden> wrote:Have you tested that this actually works? Even if you do somehow manage to link in libsupc++.a, you will then have two sets of symbols for the C++ runtime functions in any code that links libstdc++ (which, on Ubuntu, also statically links libsupc++) and so you will end up with undefined behaviour when you throw a C++ exception. This may or may not work in any given case, depending on which combination of symbols is used.
> I will give you my settings once I got home (use libsupc++.a under 64-bit Ubuntu 13.04). However my settings is calling for LLVMgold.so and clang+binutils LTO support.
In short: there's a reason why the build system doesn't do this by default.
David
-- Sent from my STANTEC-ZEBRA
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