[Ves] Apple Mach-O Linker Errors when building Kiwiviewer on Xcode 6.1.1

[Cameron Lowell Palmer]

My pleasure.

cameron.

On 3. mar. 2015, at 02.54, Michael Christie <sujayc at hotmail.com<mailto:sujayc at hotmail.com>> wrote:

Nevermind! There was one option under Build Settings that I needed to change. iOS Deployment Target under "Deployment" was set to iOS 6 by default for me. I switched it to the latest iOS, iOS 8.1, and everything built correctly, no errors. I now see a teapot.

Thank you Cameron for helping me through this.

________________________________
From: sujayc at hotmail.com<mailto:sujayc at hotmail.com>
To: cameron.palmer at ntnu.no<mailto:cameron.palmer at ntnu.no>
Date: Mon, 2 Mar 2015 20:21:18 -0500
CC: ves at public.kitware.com<mailto:ves at public.kitware.com>
Subject: Re: [Ves] Apple Mach-O Linker Errors when building Kiwiviewer on Xcode 6.1.1

I can't run it on my iPad because I haven't yet enrolled in the Apple iOS Developer program ($99 a year). For now, is it possible I can make it work on the simulator instead?

Also, I wanted to mention that if I set "Build Active Architecture Only" to "No" I get 126 errors. All Linker errors. Is that normal?

Thank you very much for your help.

________________________________
From: cameron.palmer at ntnu.no<mailto:cameron.palmer at ntnu.no>
To: sujayc at hotmail.com<mailto:sujayc at hotmail.com>
CC: ves at public.kitware.com<mailto:ves at public.kitware.com>
Subject: Re: [Ves] Apple Mach-O Linker Errors when building Kiwiviewer on Xcode 6.1.1
Date: Sun, 1 Mar 2015 21:04:58 +0000

That is correct, by default Xcode will now insist on compiling for all architectures unless you explicitly prevent it using that variable. Are you trying to run on the device or the simulator? Try running on the iPhone/iPad not in the simulator.

cameron.

On 1. mar. 2015, at 16.34, Michael Christie <sujayc at hotmail.com<mailto:sujayc at hotmail.com>> wrote:

Cameron,

Thank you for the response. I didn't have $(ARCHS_STANDARD_32_BIT) as an option under "Architectures" so I typed it in. Now I get only one error when I build:

No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i386).

Mike

________________________________
From: cameron.palmer at ntnu.no<mailto:cameron.palmer at ntnu.no>
To: sujayc at hotmail.com<mailto:sujayc at hotmail.com>
CC: ves at public.kitware.com<mailto:ves at public.kitware.com>
Subject: Re: [Ves] Apple Mach-O Linker Errors when building Kiwiviewer on Xcode 6.1.1
Date: Sun, 1 Mar 2015 07:42:02 +0000

Try it without 64-bit.

Architectures $(ARCHS_STANDARD_32_BIT)

Valid architectures armv7 armv7s

On 1. mar. 2015, at 04.15, Michael Christie <sujayc at hotmail.com<mailto:sujayc at hotmail.com>> wrote:

Hello,

I'm a novice programmer who was hoping to build Kiwiviewer on my mac with Yosemite OS 10.10.

I followed the directions posted by Harish on this webpage:
http://public.kitware.com/pipermail/ves/2014-November/002976.html

and from that I was able to do get through the steps described on the /Apps/iOS readme (I was previously having problems doing make -j4).

The problem is when i open up the Xcodeproject of KiwiSimple and KiwiViewer. This was actually my first time opening Xcode and using it. This is Xcode 6.1.1. Anyways, I try to build it and i get 4 errors and 2 warnings, copied below:

ld: warning: ignoring file ../frameworks/vtk.framework/vtk, missing required architecture x86_64 in file ../frameworks/vtk.framework/vtk (3 slices)
ld: warning: ignoring file ../frameworks/kiwi.framework/kiwi, missing required architecture x86_64 in file ../frameworks/kiwi.framework/kiwi (3 slices)
Undefined symbols for architecture x86_64:
  "vesKiwiBaseApp::render()", referenced from:
      -[MyGLKViewController glkView:drawInRect:] in MyGLKViewController.o
  "vesKiwiViewerApp::loadDataset(std::string const&)", referenced from:
      -[MyGLKViewController initializeKiwiApp] in MyGLKViewController.o
  "vesKiwiViewerApp::vesKiwiViewerApp()", referenced from:
      -[MyGLKViewController initializeKiwiApp] in MyGLKViewController.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Under Build Settings of the KiwiSimple target, I have "Architectures" set to "Standard architectures (armv7, arm64) ...."
The "Base SDK" is iOS 8.1, I enabled "Build Active Architecture Only" and my "Valid Architectures" are "armv7 arm64"

To the side under the Frameworks folder, I have libbz2.dylib, libxml2.dylib, libz.dylib, vtk.framework and its headers, kiwi.framework and its headers, OpenGLES.framework, GLKit.framework, UIKit.framework, Foundation.framework, and CoreGraphics.framework. Nothing in these are colored red.

The only thing that is red for me is the Product itself, KiwiSimple.app.

I'll gladly provide any other information. Please tell me what could be going wrong. This is the first time I ever used CMake and Xcode. I could have easily forgotten to do something along the way, especially something that was not in the directions I mentioned above.

Thank you!

Mike


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