Fix determination of VS70 generator.
Merge topic 'compile-defs-debugging' into next

8ae47b6 Fix determination of VS70 generator.
Copy the semicolon test from the Preprocess test to CompileDefinitions.

Although this is duplication, it makes sense to test this with the
rest of the compile defintions related tests anyway.
Merge topic 'compile-defs-debugging' into next

9c479bc Copy the semicolon test from the Preprocess test to CompileDefinitions.