There is a myth. The myth goes “Windows is complicated. Macs are really easy – they just work.”
Like most myths this may have started from an original truth, but is now a lie. I am it’s latest, but I suspect far from only, victim.
Let me explain. For over a year now I have been developing a plugin for the RAW developer Bibble and it’s recent successor, Corel AfterShot. These plugins are developed using c++ and the Nokia QT framework, which theoretically allows the same code and user interface design to compile and run on Windows, Linux and Mac.
As a died in the wool Windows developer, that’s where I started. There’s a QT add-in to Visual Studio, so with a bit of juggling I managed to get one of the examples to load into VS, build, and run using Bibble as the target executable, and I was off. I was on a fairly steep learning curve in respect of the programming model, but I had very few problems compiling and running things.
When it got to the stage that I had something to share with the Bibble community I published the Windows version, and another member of the community kindly cross- compiled for the other platforms. There was another learning curve to make sure my code compiled cleanly on the other platforms, but nothing too drastic. For over a year I sent code updates to Jonathan, and got compiled Linux and Mac libraries back.
Although Jonathan still provides a very helpful service, it became apparent that if I wanted to have full control over the application versions I support, and be able to verify my plugin’s portability, I needed the ability to compile and run each version myself. I wasn’t prepared to buy and carry extra hardware around, but maybe VM technology would work.
I started with Linux. I had a couple of false starts but quickly found a site which has pre-built VMs for most Linux distributions (http://www.trendsigma.net/vmware/), and homed in on Lubuntu – based on Ubuntu but with a quite Windows-like shell. I downloaded and installed AfterShot and QT Creator, loaded up a copy of my code, and clicked “build”. And it worked first time! Getting a completely slick solution took a bit more effort, but it works so well I don’t now even copy the Windows code, I just open the same directory from my Linux VM and run the Linux builds in place.
So far so good. Now for the Mac. What could go wrong?

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