[Dev] Fwd: [arch-dev-public] C++ ABI rebuild announcement

[André Silva]

fyi
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-------------------- Start of forwarded message --------------------
Date: Thu, 10 Dec 2015 13:02:03 +1000
From: Allan McRae <allan at archlinux.org>
To: Public mailing list for Arch Linux development
 <arch-dev-public at archlinux.org>
Subject: [arch-dev-public] C++ ABI rebuild announcement

Here is a draft announcement.

C++ ABI rebuild

GCC-5.x release libstdc++ with a dual ABI [1].  We have now switched to
the new ABI.

While the old C++ ABI is still available, it is recommended that you
build all non-repo packages to have the new ABI. This is particularly if
they link to another library built against the new ABI.  You can get the
list of packages to rebuild using the following:

for i in $(pacman -Qqm); do
  if pacman -Qql $i | xargs readelf -d 2>/dev/null | grep -q
libstdc++.so.6; then
    echo $i;
  fi;
done

[1] https://gcc.gnu.org/onlinedocs/libstdc++/manual/using_dual_abi.html
-------------------- End of forwarded message --------------------

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