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Holger Hoffstätte <holger@××××××××××××××××××.com> writes: |
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> On Mon, 26 Dec 2016 22:25:59 +0100, lee wrote: |
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> |
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>> Holger Hoffstätte <holger@××××××××××××××××××.com> writes: |
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>> |
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>>> On Mon, 26 Dec 2016 21:09:08 +0100, lee wrote: |
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>>> |
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>>>> Hi, |
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>>>> |
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>>>> there are some things that refuse to compile. One of them is |
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>>>> openimageio. |
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>>>> |
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>>>> Is this a bug, or am I missing something? Do I need to update something |
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>>>> else first? |
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>>> |
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>>> The latter, sort of. The error in question.. |
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>>> |
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>> |
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>>> [...] |
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>>>> | ../libOpenImageIO/libOpenImageIO.so.1.6.13: undefined reference to `Imf_2_1::Header::name[abi:cxx11]() const' |
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>>>> | ../libOpenImageIO/libOpenImageIO.so.1.6.13: undefined reference to `Imf_2_1::Header::setType(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' |
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>>>> | ../libOpenImageIO/libOpenImageIO.so.1.6.13: undefined reference to |
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>>>> | `Imf_2_1::TypedAttribute<std::__cxx11::basic_string<char, |
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>>>> | std::char_traits<char>, std::allocator<char> > |
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>>>> | >::writeValueTo(Imf_2_1::OStream&, int) const' |
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>>>> | collect2: error: ld returned 1 exit status |
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>>> [..] |
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>>> |
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>>> ..indicates a mismatch in C++11 ABI which changed in gcc5. What happens is that one the |
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>>> dependencies of openimageio was built against the old C++11 std::string ABI (hence the |
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>>> link errors), and needs to be rebuilt. It looks to be "Imf" aka libIlmImf, |
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>>> whatever that is. Try to rebuild it with --oneshot and it should work. |
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>>> If a similar error pops up for a different dependency, repeat. :) |
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>> |
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>> Hm, this is really bad because it's difficult to figure out what needs |
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>> to be rebuilt. Is there a way to rebuild everything in some order that |
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>> works? |
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> |
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> equery b <file> or epm -qif tells you which package a file belongs to. |
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> Purely by searching vie emerge -s it looks like libIlmImf could be |
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> media-libs/ilmbase. |
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Yes, I have rebuilt those, and others, using trial and error to figure |
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out what needs to be rebuilt. |
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> A full-system approach (probably better in your case) is explained here: |
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> https://wiki.gentoo.org/wiki/Upgrading_from_gcc-4.x_to_gcc-5.x |
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Thanks! Seems all I need to do is the 'revdep-rebuild', which is now |
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running. |
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I hope I don't end up with an unbootable system ... |
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>> Here's the next one already, and what would I need to rebuild for that? |
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> |
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> That looks like a completely different problem (hard to tell from the error) |
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> but in any case _fix one problem at a time_. |
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That was some more packages that needed to be rebuilt. |
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The only thing that doesn't compile yet is cinelerra, which I don't |
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need for now. Maybe it works once all the libraries are rebuilt. |
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