[Interest] Is there a command line call to qmake to test the bit width?

[Keith Gardner]

If you are trying to figure out which qmake created the Makefile your
script is using, you can try call "make qmake -n".  This will give you the
qmake command that is being used including the path to qmake itself.  You
can then query that qmake for the QMAKE_SPEC it is defaults to
(linux-g++-64 or linux-g++-32).

On Wed, Mar 4, 2015 at 11:16 AM Scott Aron Bloom <scott.bloom at onshorecs.com>
wrote:

> -----Original Message-----
> From: Giuseppe D'Angelo [mailto:dangelog at gmail.com]
> Sent: Wednesday, March 04, 2015 9:10 AM
> To: Scott Aron Bloom
> Cc: interest at qt-project.org
> Subject: Re: [Interest] Is there a command line call to qmake to test the
> bit width?
>
> On 4 March 2015 at 18:05, Scott Aron Bloom <scott.bloom at onshorecs.com>
> wrote:
> > I am creating two versions of my tool, 32 and 64 bit.  However, I
> > have, more than once, started a build against the wrong path, so it
> > was building against Qt 64 when it was supposed to build against Qt 32
> > (or vice versa)
> >
> >
> >
> > Is there a qmake or some way, that in the setup scripts to my build, I
> > can confirm the version I am running against?
>
> In qmake see $$QT_ARCH, in your C++ file you can use QT_POINTER_SIZE.
>
> HTH,
> --
>
>
> By then its too late.. I want the shell script that calls the make system
> to fail, saying you have the qmake setup wrong...
>
> Its really only an issue when linking, since it will pick up the wrong
> libraries.
>
> Scott
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