[Paraview] Problem linking Cocoa pqWidgets

[Berk Geveci]

Also, the progress bar issue is known - we will try to fix it before
2.8 but no guarantees. I never ran into the "grayed out filters"
issue. I have been using Qt 4.6 btw.

-berk

On Wed, Jan 6, 2010 at 4:50 PM, Clinton Stimpson <clinton at elemtech.com> wrote:
> On Wednesday 06 January 2010 02:43:54 pm Eric E. Monson wrote:
>> Hey Clint,
>>
>> Yes, I'm using CVS CMake (2.9.20100105). Qt is not static (unless that's
>> the default, but I don't think it is).
>
> The default is shared/dynamic.
>
>>
>> So older versions of CMake added in other framework dependencies (like
>> Carbon, ApplicationServices or AppKit) automatically based on what Qt was
>> built with?
>
> Correct.  So, your suggestion to fix Qt/Widgets/CMakeLists.txt needs to happen.
>
> Clint
>
>>
>> Thanks,
>> -Eric
>>
>> On Jan 6, 2010, at 4:36 PM, Clinton Stimpson wrote:
>> > Did you use the CVS version of CMake?
>> > FindQt4/UseQt don't put the extra dependencies in there anymore unless Qt
>> > is static.  So if pqWidgets uses Cocoa, it needs to link against the
>> > Cocoa framework.
>> >
>> > Clint
>> >
>> > On Wednesday 06 January 2010 01:35:39 pm Eric E. Monson wrote:
>> >> Hello,
>> >>
>> >> On one of my machines I just switched over to Snow Leopard, so I did a
>> >> fresh CVS grab of ParaView. I have Qt 4.5.3 built from source for Cocoa
>> >> (x86 and x86_64 architectures), and I have been trying to build ParaView
>> >> (i386;x86_64), but keep getting a linking error on the pqWidgets
>> >> library:
>> >>
>> >> [ 90%] Built target QtTesting
>> >> Linking CXX shared library ../../bin/libpqWidgets.dylib
>> >> Undefined symbols:
>> >>  "_objc_msgSend", referenced from:
>> >>      pqProgressBarHelper::setProgress(int)    in
>> >> pqProgressBarHelper.mm.o pqProgressBarHelper::setProgress(int)    in
>> >> pqProgressBarHelper.mm.o pqProgressBarHelper::setProgress(int)    in
>> >> pqProgressBarHelper.mm.o ld: symbol(s) not found
>> >> collect2: ld returned 1 exit status
>> >> Undefined symbols:
>> >>  "_objc_msgSend", referenced from:
>> >>      pqProgressBarHelper::setProgress(int)    in
>> >> pqProgressBarHelper.mm.o pqProgressBarHelper::setProgress(int)    in
>> >> pqProgressBarHelper.mm.o pqProgressBarHelper::setProgress(int)    in
>> >> pqProgressBarHelper.mm.o ld: symbol(s) not found
>> >>
>> >> I found I can get past this if I add a "-framework Cocoa" to the linker
>> >> line manually, so I think in ParaView3/Qt/Widgets/CMakeLists.txt maybe
>> >> there should be another check added, something like (line 198):
>> >>
>> >>  if(VTK_USE_COCOA)
>> >>    TARGET_LINK_LIBRARIES(pqWidgets "-framework Cocoa")
>> >>  endif(VTK_USE_COCOA)
>> >>
>> >> The progress bar doesn't really work and I'm running into the "grayed
>> >> out filters" that some others have mentioned (filters show up right
>> >> after launching PV, I can generate or load a "source", and I can apply
>> >> one filter, but then they disappear after that and won't come back), but
>> >> at least PV compiled... :)
>> >>
>> >> Not sure if it's relevant, but in case it's helpful: On another machine
>> >> with a very similar setup (Snow Leopard and x86,x86_64 Cocoa Qt 4.5.2
>> >> from source), but just CVS "update" and rebuild on an old checkout
>> >> rather than a fresh one, I noticed that the pqWidgets_LIB_DEPENDS (and a
>> >> bunch of other things) include ;general;-framework
>> >> Carbon;general;-framework
>> >> AppKit;general;-framework ApplicationServices;  The progress bar doesn't
>> >> work on that version, either, but I don't get the "grayed out" filters
>> >> problem.
>> >>
>> >> Thanks,
>> >> -Eric
>> >>
>> >> ------------------------------------------------------
>> >> Eric E Monson
>> >> Duke Visualization Technology Group
>> >>
>> >>
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