[Development] allow Qt for iOS to be built as shared libraries

Mike Krus mike.krus at kdab.com
Sun Dec 27 23:56:59 CET 2015


has anybody taken this any further?

Enabling dynamic builds as frameworks causes link errors. For example, when linking QtNetwork.framework for the simulator, I get:
ld: warning: ignoring file /.../qt5_ios/qtbase/lib/QtCore.framework/QtCore, missing required architecture i386 in file /.../qt5_ios/qtbase/lib/QtCore.framework/QtCore (2 slices)

This is because QtCore.framework/QtCore is a device build (armv7 arm64). However, QtCore.framework/QtCore_iphonesimulator does exist but ld does not know to use it at that point.

Tried restricting the build to one platform only, restricting sdk to iphoneos works, but not iphonesimulator:
Project ERROR: iOS simulator is handled automatically for iphonesimulator_and_iphoneos

May need to do separate device and simulator builds or at least build into separate bundles (at the cost of duplicating headers).
Thought we could use lipo to build a fat binary but I believe that functionality has been removed from qt’s build system. 
(plus the SDKs aren’t the same so I’m not sure it can be made to work anyway)

Other options? things I missed?


> On 13 Sep 2015, at 22:28, Jake Petroules <jake.petroules at petroules.com> wrote:
>> On Sep 13, 2015, at 4:26 AM, Robin Lobel <divide at divideconcept.net> wrote:
>> Hi Jake,
>> Do you have any update on this ?
>> https://codereview.qt-project.org/#/c/123023/
>> I agree It'd be great to have such option starting with iOS 8.
>> thanks
>> Robin Lobel
> Yes, I'm going to do some more testing on this today.
> -- 
> Jake Petroules - jake.petroules at petroules.com
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Mike Krus | mike.krus at kdab.com | Senior Software Engineer
KDAB (UK) Ltd., a KDAB Group company
Tel: UK Office +44 1625 809908   Mobile +44 7833 491941
KDAB - The Qt Experts

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