[CMake] Packaging dylibs into app bundles

[Michael Jackson]

You need to pass in more paths to the “fixup_bundle()” method. Those paths are the paths where the libraries are located so CMake has somewhere else to look in case the absolute path is not encoded in the dylib itself. I could point you to our project but it is pretty scary in there. We use a custom generated CMake script that does a bunch of extra stuff that Qt requires (qt.conf) and stuff like that. Does work reliably for use once we got it setup.

 

https://github.com/BlueQuartzSoftware/CMP/tree/develop/OSX_Tools

https://github.com/BlueQuartzSoftware/CMP/blob/develop/OSX_Tools/CompleteBundle.cmake.in

https://github.com/BlueQuartzSoftware/CMP/blob/develop/OSX_Tools/MacOSXBundleInfo.plist.in

 

They probably are not an “exemplar” of how to do things as they were created when CMake 3.1 was new so there are probably better ways to get the same thing done but this works in our environment. I have a whole separate bash script that lets us create a signed .dmg file.

 

--

Mike Jackson

 

On 7/19/18, 2:04 PM, "CMake on behalf of Harry Mallon" <cmake-bounces at cmake.org on behalf of Harry.Mallon at codex.online> wrote:

 

Hi,

 

I have been messing arounds with fixup_bundle (which seems to be the correct function). It worked for a small test case, but only if the dylibs required had otool ids of their full path. Ours currently have rpath based ones (e.g. @rpath/libcrypto.dylib). So I get a lot of:

 

/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/objdump: '@rpath/ libcrypto.dylib’: No such file or directory  

 

Hmm, seems like the stuff is there somewhere to make this work…

 

Best,

Harry

 

From: Stephen McDowell <sjm324 at cornell.edu>
Date: Thursday, 19 July 2018 at 17:35
To: Harry Mallon <Harry.Mallon at codex.online>
Cc: CMake MailingList <cmake at cmake.org>
Subject: Re: [CMake] Packaging dylibs into app bundles

 

Hi Harry, 

 

I don't know how useful this will be, but the Instant Meshes application creates an app bundle that has always worked reliably for me. Looking at the code, it doesn't appear like there's much custom stuff going on either. It starts here

 

https://github.com/wjakob/instant-meshes/blob/011fa44ab72037cbc16535090a63ead41963c1e5/CMakeLists.txt#L151

 

And there's an if APPLE block below that appears to be the core.

 

Hope that is useful :) I've never actually done this for any of my own projects though. And I'm pretty sure them setting the underlying GUI library and TBB to be static (as opposed to shared) is skirting around the issue that you are trying to solve (dylib stuff)...

 

-Stephen

 

On Thu, Jul 19, 2018, 9:03 AM Harry Mallon <Harry.Mallon at codex.online> wrote:

Hello all,

 

Is there a good tutorial/article on getting CMake to package required dylibs and frameworks into an app bundle for you on mac. We have a lot of custom stuff to do it and it is fragile and breaks a lot.

 

Thanks,

Harry

Harry Mallon

Senior Software Engineer

T +44 203 7000 989 

60 Poland Street | London | England | W1F 7NT 

Three BillboardsBlade Runner 2049  I, Tonya

 

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