[CMake] set_target_properties not setting COMPILE_DEFINITIONS?

[David Doria]

> No, the semicolons are removed by message() itself, you'll still see
> them if you enclose the ${} inside the quotes:
>
> message( "DEFS: ${MAIN_BUILD_DEFINITIONS}" )

You're right - the output now contains the semicolons. I tried
enclosing the variable in quotes in the set_target_properties line as
well but the definitions are still undefined as far as the compiler is
concerned.

set_target_properties(ImageCompleter1f PROPERTIES COMPILE_DEFINITIONS
"${my_definitions}")

Here is the output of make VERBOSE=1

http://pastebin.com/zXaj9kWS

You can see that none of these are defined even though:

set(my_definitions "UNIX;USE_ITK;USE_FLOAT_PIXELS;PIXEL_DIMENSION=1")
message("my definitions: ${my_definitions}")
set_target_properties(ImageCompleter1f PROPERTIES COMPILE_DEFINITIONS
"${my_definitions}")

displays them correctly.

Thoughts?

David