[Cmake] Adding compile flags in several steps

[Brad King]

Martin Magnusson wrote:
> Thanks for the quick reply. Just another quick (stupid) question.
> How do you append flags? Doing something like
> 
>   SET_SOURCE_FILES_PROPERTIES(
>     ${SOURCES}
>     COMPILE_FLAGS ${OLD_FLAGS} ${NEW_FLAGS} )
> 
> doesn't seem to work. (It gives me the error message 
> "SET_SOURCE_FILES_PROPERTIES called with illegal arguments, maybe 
> missing a PROPERTIES specifier?") I don't see anything about it in the 
> online documentation either.

You can always pass values as a single argument by using double quotes:

SET_SOURCE_FILES_PROPERTIES(
   ${SOURCES} PROPERTIES
   COMPILE_FLAGS "${OLD_FLAGS} ${NEW_FLAGS}"
   )

-Brad