Just realized, after the make inception, you'll have bail out of the first
make. I'm not a Makefile guru, such things are beyond me at this point.
> Sent: Wednesday, May 19, 2021 at 9:36 AM
> From: "Jason H" <jh...@gmx.com>
> To: "Eike Ziller" <eike.zil...@qt.io>
> Cc: "qt-creator" <qt-creator@qt-project.org>
> Subject: Re: [Qt-creator] Debugging app using Camera on MacOS?
>
> Ok, I have that rule too, but does it re-invoke make after updating? It seems
> to continue to process the old, out of date Makefile?
> After
> $(QMAKE) -o Makefile ../qmake_widgets/qmake_widgets.pro ….
> It either needs to say something like:
> Makefile updated; run make again
> or:
> make
> So:
> $(QMAKE) -o Makefile ../qmake_widgets/qmake_widgets.pro ….
> make
>
> True there is some risk of an infinite loop if the make `touch`es the
> Makefile, to maybe there is a way to compare hashes?
>
>
>
> > Sent: Wednesday, May 19, 2021 at 3:34 AM
> > From: "Eike Ziller" <eike.zil...@qt.io>
> > To: "Jason H" <jh...@gmx.com>
> > Cc: "qt-creator" <qt-creator@qt-project.org>
> > Subject: Re: [Qt-creator] Debugging app using Camera on MacOS?
> >
> >
> >
> > > On May 18, 2021, at 18:58, Jason H <jh...@gmx.com> wrote:
> > >
> > >
> > > So I am dumb. I forgot that among all those popups QtCreator gives you
> > > when you save the .pro, running qmake is not one of them
> > > I *thought* running qmake would have been automatic when the .pro
> > > changes. (Or that the Makefile would pick up the .pro was modified and
> > > run qmake automatically) but that doesn't seem to be the case?
> > >
> >
> > The Makefile _should_ have a rule for re-running qmake when the .pro file
> > is changed. My dummy project has
> >
> > Makefile: ../qmake_widgets/qmake_widgets.pro ……
> > ...
> > $(QMAKE) -o Makefile ../qmake_widgets/qmake_widgets.pro ….
> >
> > Which is tricky because while running “make”, the Makefile is changed…. but
> > it is supposed to work.
> >
> > Br, Eike
> >
> > >
> > > Sent: Tuesday, May 18, 2021 at 11:53 AM
> > > From: "Jason H" <jh...@gmx.com>
> > > To: "Jason H" <jh...@gmx.com>
> > > Cc: "qt-creator" <qt-creator@qt-project.org>
> > > Subject: Re: [Qt-creator] Debugging app using Camera on MacOS?
> > > Accidentally only replied to Lars before, but for the list, for
> > > throughness:
> > > Thanks Lars.
> > >
> > > I have added in the .pro
> > > mac {
> > > QMAKE_INFO_PLIST = macos/Info.plist
> > > }
> > >
> > >
> > > And the plist was copied from the build directory, added the key/string
> > > pair:
> > > <key>NSCameraUsageDescription</key>
> > > <string>Reads Barcodes</string>
> > >
> > > And still no joy. The Info.plist in the package contents is not the one
> > > with the added key.
> > > I tried mac, macx, and macos for the platform in .pro. QtCreator shows
> > > int he Project pane:
> > > Other Files /
> > > .. v macos
> > > .... Info.plist
> > >
> > > So the file is there. It's just not being used. I have NOT set CONFIG -=
> > > app_bundle. Looking at the compile output, Info.plist does not appear in
> > > the compile output pane.
> > >
> > > It seems that something else is needed than QMAKE_INFO_PLIST?
> > >
> > > ...
> > > ANSWER: Yes it needs a manual copy (currently). Then I filed
> > > https://bugreports.qt.io/browse/QTBUG-93832
> > >
> > >
> > > Sent: Tuesday, May 18, 2021 at 11:25 AM
> > > From: "Jason H" <jh...@gmx.com>
> > > To: "Lars Knoll" <lars.kn...@qt.io>
> > > Cc: "qt-creator" <qt-creator@qt-project.org>
> > > Subject: Re: [Qt-creator] Debugging app using Camera on MacOS?
> > > I got it working with a manual copy, but also filed:
> > > https://bugreports.qt.io/browse/QTBUG-93832
> > >
> > >
> > >
> > > Sent: Tuesday, May 18, 2021 at 4:40 AM
> > > From: "Lars Knoll" <lars.kn...@qt.io>
> > > To: "Eike Ziller" <eike.zil...@qt.io>
> > > Cc: "Jason H" <jh...@gmx.com>, "qt-creator" <qt-creator@qt-project.org>
> > > Subject: Re: [Qt-creator] Debugging app using Camera on MacOS?
> > > On 17 May 2021, at 18:50, Eike Ziller <eike.zil...@qt.io> wrote:
> > > On May 17, 2021, at 16:27, Jason H <jh...@gmx.com> wrote:
> > >
> > > Here is the question (asked by someone else) (Note this is specific to
> > > *debugging* the app.)
> > > https://stackoverflow.com/questions/60459036/how-do-i-debug-an-app-on-the-mac-that-accesses-the-camera
> > > with no good resolution.
> > >
> > > It seems the way QtC is launching the debugger is running afoul of the
> > > NSCameraUsageDescription. Has anyone else figured out a way around this?
> > > I'm wondering if the Info.plist needs to be applied to LLDB somehow?
> > >
> > > I don’t quite understand if this is a Qt Creator specific issue or not.
> > >
> > > If the issue is that Qt Creator starts lldb, and lldb starts the app,
> > > maybe running the app without debugging and then Debug > Start debugging
> > > > Attach to running application helps.
> > >
> > > I’ve been doing some debugging of the camera on macOS lately. You do need
> > > to add the Info.plist with
> > > NSCameraUsageDescription/NSMicrophoneUsageDescription to your app to
> > > allow camera/microphone access.
> > >
> > > After that, you might get a confirmation dialog to allow access on first
> > > launch. Once that’s confirmed, you should be able to debug the app just
> > > fine. At least it does work for me using Qt Creator.
> > >
> > > Cheers,
> > > Lars
> > >
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> >
> > --
> > Eike Ziller
> > Principal Software Engineer
> >
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