How to add pre processing defs (macros) to qt creator?

Question

In Eclipse there is an option to specify pre processing defines (#ifdef macros) to a project by using the Symbols option in Paths and Symbols. This helps in effective indexi

Answer 1

I wanted to specify a #define string in the .pro file, but my code ended up with the contents of the string without the quotes. I had to escape the quotes, and then escape the escapes to get one pair of quotes to last all the way to my code. This is because qmake strips off one set of escapes and some quotes, then the command line strips off the rest of them. This worked for me:

DEFINES += "VERSION=\"\\\"0.1.0\\\"\""

On Windows, this VERSION string can then be used in the .rc file to create the version stuff where Windows wants it and as well as in code for an "About" menu.