Both Delphi and C++ compilers now allow you to perform background compilation — that is, you can start a compile running as a separate and parallel thread and continue working in the IDE while the compiler compiles your project.

You can continue to work in the IDE while a background compilation runs. For example, you can edit files, even the files you are compiling, and you can set and modify breakpoints.

Below a screen shot, as you can see the compiler dialog transparent during the compiler process.