[CMake] INCLUDE_DIRECTORIES empty?

[Michael Wild]

On 17. Mar, 2010, at 13:58 , David Doria wrote:

> If I do something like this:
> 
> INCLUDE_DIRECTORIES(${INCLUDE_DIRECTORIES}  ../../include)
> 
> I'd expect ../../include to be appended to the current INCLUDE_DIRECTORIES.
> 
> So then when I do this:
> MESSAGE("INCLUDE_DIRECTORIES: ${INCLUDE_DIRECTORIES}")
> 
> at the very least, I should see ../../include, but probably other
> paths before it. Instead, I see only:
> INCLUDE_DIRECTORIES:
> 
> I'm pretty sure I have the syntax correct because if I do:
> 
> MESSAGE("CMAKE_BINARY_DIR: ${CMAKE_BINARY_DIR}")
> 
> I see:
> CMAKE_BINARY_DIR: /media/portable/src/meshtoolboxVTK/src/SpinRecognize/bin
> 
> Any thoughts on why I can't see the contents of the variable
> INCLUDE_DIRECTORIES?
> 
> Thanks,
> 
> David

The syntax is:

INCLUDE_DIRECTORIES(../../include)

This will append to the already existing include directories.

Michael