bugMyPaint - Bugs: bug #21981, [OSX, clang] Undefined BufferComp...

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bug #21981: [OSX, clang] Undefined BufferComp symbols

Submitted by:  Ryan Schmidt <ryandesign>
Submitted on:  Mon Apr 28 04:11:25 2014  
Severity: 3 - NormalPriority: 5 - Normal
Status: Need InfoPrivacy: Public
Assigned to: NoneOpen/Closed: Open
Release: 1.1.0Planned Release: None
Operating System: OS X 10.9.2

Thu Jul 17 16:52:54 2014, comment #2:

Hi - does using g++ fix this bug under 1.1.0?

Alternatively, do recent git revisions work with Clang? As I say, the templated portions are different now.

Patches welcome via https://github.com/mypaint/mypaint

I need to know if this bug is still happening with the latest development source. If it is, I will migrate the bug across and get it addressed... somehow.


This bug tracker will shortly be moving to github. As part of this
process, we're reviewing old bug reports on gna.org. Please
respond so that we know this bug is still live.

https://github.com/mypaint/mypaint/issues for the mypaint app, or
https://github.com/mypaint/libmypaint/issues for its brushlib

Andrew Chadwick <achadwick>
Project Administrator
Wed Jun 11 11:30:12 2014, comment #1:

Hi --

Just FYI, the templatey stuff for compositing modes changed a lot recently, and there may be better code on master. I don't suppose you could re-test with the latest git versions?

The workaround for 1.1.0 may be to use g++, or to maintain a local patch that instantiates all those templates correctly for clang. I'm afraid I don't have an OSX machine I can test on. Anyone able to help out?

Andrew Chadwick <achadwick>
Project Administrator
Mon Apr 28 04:11:25 2014, original submission:

Hello, I am the maintainer of MyPaint in the MacPorts package management system. MyPaint used to build for me on OS X, but on OS X 10.9.2 with Xcode 5.1.1 and the corresponding clang compiler version "Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)" it does not; this is the error:

This was originally reported to the MacPorts project here:


Ryan Schmidt <ryandesign>


Attached Files
file #20608:  main.log added by ryandesign (20kB - application/octet-stream)


Depends on the following items: None found

Items that depend on this one: None found


Carbon-Copy List
  • -unavailable- added by achadwick (Posted a comment)
  • -unavailable- added by ryandesign (Submitted the item)

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    Follow 3 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Wed Jun 11 11:37:41 2014achadwickStatusNone=>Need Info
    Wed Jun 11 11:30:12 2014achadwickSummaryUndefined BufferComp symbols=>[OSX, clang] Undefined BufferComp symbols
    Mon Apr 28 04:11:25 2014ryandesignAttached File-=>Added main.log, #20608
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