Den 04-03-2015 kl. 19:39 skrev Scott Aron Bloom: > -----Original Message----- > From: interest-bounces+scott.bloom=onshorecs....@qt-project.org > [mailto:interest-bounces+scott.bloom=onshorecs....@qt-project.org] On Behalf > Of Thiago Macieira > Sent: Wednesday, March 04, 2015 9:44 AM > To: interest@qt-project.org > Subject: Re: [Interest] Is there a command line call to qmake to test the bit > width? > > On Wednesday 04 March 2015 17:15:45 Scott Aron Bloom wrote: >> By then its too late.. I want the shell script that calls the make >> system to fail, saying you have the qmake setup wrong... > Why would it be wrong? If qmake is installed, it's been installed correctly > right? :-) > > And what is the issue you're trying to figure out? > >> Its really only an issue when linking, since it will pick up the wrong >> libraries. > No, it won't. The libraries come from the linker. > > -- > > No. Maybe Im not explaining myself correctly. Since this was purely a > question on qmake, or if there was anyway to look at a Qt install an see what > bit width it was built against. > > However here are all the gory details. > > On a single system, I have 2 versions of the SAME Qt installed, 64 bit and 32 > bit, both installed correctly. > > Visual Studio has two compilers, one for 64 and one for 32. That said, when > I used to release our tool for linux 32, we had a similar issue.. > > The developers setup build script, requires the "cl" to be pointing to the > correct cl, ie, that you have run vsvars before you run cmake (which then has > the dependency on qmake) > > If I am trying to build the 64 bit system, but my shell is pointing to the 32 > bit compiler, but the 64 bit Qt system, it will most likely compile just > fine, but it will not link correctly. > > Im trying to put the logic into my CMake system, to query the version of > qmake to determine, if the user has selected the appropriate Visual Studio > and Qt version. > > And yes, I would have had to do the same thing (though we dropped 32 bit > linux support, and devs never really worked on it) to confirm they were > building a 32 bit version of the tool against a 32 bit version of Qt (or > vice versa)
Sounds like you should do a simple cmake test case where you build a small dummy application and link it. This should give you the answer immediately. Bo. -- Viking Software Qt and C++ developers for hire http://www.vikingsoft.eu _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
