[CMake] undef a symbol

[Totte Karlsson]

On 6/12/2012 3:55 PM, David Cole wrote:
> Please do not use anything except for -D args with add_definitions. Other flags
> should be added to CMAKE_CXX_FLAGS or some other variable, and they are compiler
> specific. I doubt that "/U" works uniformly across compilers the same way -D does.
>
Yeah, it worked for visual studio, but as you said, may not work uniformly

> The remove_definitions command is the opposite of the add_definitions command,
> but it still takes its arguments exactly as add_definitions does, with "-D"
> prefixes.
>
> http://cmake.org/cmake/help/v2.8.8/cmake.html#command:remove_definitions

I'll check that one out instead
Thanks!


>
> HTH,
> David
>
>
> On Tue, Jun 12, 2012 at 6:16 PM, Totte Karlsson <totte at dunescientific.com
> <mailto:totte at dunescientific.com>> wrote:
>
>     Seem
>     that add_definitions(/UTheSymbol) did the job!
>
>     -totte
>
>
>     On 6/12/2012 2:57 PM, Totte Karlsson wrote:
>
>         Hi,
>         I have a folder in which I build a library. For doing so I have a
>         add_definitions(-DMySymbol) line
>
>         It seems that subfolders inherits this,which I don't want. How do I
>         "undef" the
>         MySymbol symbol in a subfolder CMakeList file?
>
>         -totte
>
>     --
>
>     Powered by www.kitware.com <http://www.kitware.com>
>
>     Visit other Kitware open-source projects at
>     http://www.kitware.com/__opensource/opensource.html
>     <http://www.kitware.com/opensource/opensource.html>
>
>     Please keep messages on-topic and check the CMake FAQ at:
>     http://www.cmake.org/Wiki/__CMake_FAQ <http://www.cmake.org/Wiki/CMake_FAQ>
>
>     Follow this link to subscribe/unsubscribe:
>     http://www.cmake.org/mailman/__listinfo/cmake
>     <http://www.cmake.org/mailman/listinfo/cmake>
>
>