[Xquartz-dev] XQuartz 2.7.9_rc1

[Jeremy Huddleston Sequoia]

> On Jan 6, 2016, at 13:41, Jack Howarth <howarth.mailing.lists at gmail.com> wrote:
> 
> Jeremy,
>     Unless I am missing something here, the change to so version bump
> libXt while retaining the legacy libXt.6.dylib built with
> -flat_namespace breaks the ability to rebuild OpenMotif. If I use...
> 
> ...
> Undefined symbols for architecture x86_64:
>  "_XtAddCallback", referenced from:
>      _ChangeCB in ArrowB.o
>      _ChangeCB in ArrowBG.o
>      _InsertChild in BulletinB.o
>      _Initialize in Command.o
>      _XmeCreateClassDialog in DialogS.o
>      _XmDragStart in DragC.o
>      _InitiatorMainLoop in DragC.o
>      ...
>  "_XtAddEventHandler", referenced from:
>      _XmClipboardEndCopy in CutPaste.o
>      _InsertChild in MenuShell.o
>      _Initialize in RowColumn.o
>      _Realize in RowColumn.o
>      _InsertChild in RowColumn.o
>      _Initialize in Scale.o
>      __XmTextOutputCreate in TextOut.o
>      ...

I see that symbol:

~ $ nm -arch x86_64 /opt/X11/lib/libXt.6.dylib | grep XtAddEventH
000000000000c8b0 T _XtAddEventHandler

> etc. Have you tested this in MacPorts to see if its openmotif package
> can be rebuilt against XQuartz 2.7.9-rc1?

>               Jack
> ps Perhaps you really need both the legacy copy of libXt.6.dylib and
> to build a second copy of libXt,7.dylib using -flat_namespace (placed
> in a buried subdirectory) to cope with the ABI changes in the headers
> for libXt.

That doesn't make sense.  libXt.6.dylib *IS* the version of libXt.dylib using -flat_namespace.

There is no ABI change in the headers or anything like that.  This is just a change to fix linkage to remove that hack to workaround the bugs in Motif.

> 
> On Wed, Jan 6, 2016 at 3:00 PM, Jeremy Huddleston Sequoia
> <jeremyhu at apple.com> wrote:
>> XQuartz 2.7.9_rc1 is available for download.  This update contains a workaround for an issue that users have been reporting on El Capitan.  If you're on El Capitan and have been seeing OpenGL surfaces remain onscreen after they should have been dismissed, please give this update a try and report back.
>> 
>> http://www.xquartz.org/releases/XQuartz-2.7.9_rc1.html
>> 
>> --Jeremy
>> 
>> 
>> 
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