[CMake] Where do add_dependencies() that are not defines go?

[Luke Dalessandro]

On Thu, Apr 29, 2010 at 3:41 AM, Marcel Loose <loose at astron.nl> wrote:
> Hi Luke,
>
> A little digging revealed that you should use the property DEFINITIONS
> instead of COMPILE_DEFINITIONS, despite the fact that the manual says
> that DEFINITIONS is there for backward compatibility only.

Ahh, thanks so much. It figures that's the one place I didn't look.

Luke

> I noticed
> that that's the only property that contains your compile flag. Maybe
> someone from Kitware can comment on this?
>
> Best regards,
> Marcel Loose.
>
> On Wed, 2010-04-28 at 12:58 -0400, Luke Dalessandro wrote:
>> On Wed, Apr 28, 2010 at 12:04 PM, Marcel Loose <loose at astron.nl>
> wrote:
>> > Hi Luke,
>> >
>> > Remember that the definitions you do with add_definitions() are
> scoped;
>> > i.e. you can only see them in the directory where you defined them
> and
>> > its sub-directories, but not its parent directories.
>> >
>> > You should definitely do add_definitions("-m64") in your top-level
>> > directory.
>>
>> I understand the scoping issue. The problem is that I don't know what
>> variable the non -D values are being placed in, so that I can recover
>> them in a custom build. They're not in any of the CMAKE_<LANG>_FLAGS,
>> nor are they in a file's COMPILE_FLAGS property. The -D values are
>> attached to the directory's COMPILE_DEFINITIONS, but the directory
>> doesn't have COMPILE_FLAGS.
>>
>> They're not lost, because (say) -m64 does appear on the build line as
>> needed, I just don't know what variable they're being stored in.
>>
>> Luke
>>
>> >
>> > Best regards,
>> > Marcel Loose.
>> >
>> > On Wed, 2010-04-28 at 11:44 -0400, Luke Dalessandro wrote:
>> >> I meant add_definitions not dependencies. Sorry.
>> >>
>> >> Luke
>> >>
>> >> On Wed, Apr 28, 2010 at 11:39 AM, Luke Dalessandro
>> >> <ldalessandro at gmail.com> wrote:
>> >> > We sometimes use add_dependencies to add compile flags that
> aren't
>> >> > defines, e.g., -m64. I am trying to build an add_custom_command
> that
>> >> > needs access to these flags, but I can't seem to find them
> anywhere
>> > (I
>> >> > can get the dependencies from the directory properties).
>> >> >
>> >> > Does anyone know where these other flag types are stored?
>> >> >
>> >> > Thanks,
>> >> > Luke
>> >> >
>> >> _______________________________________________
>> >> Powered by www.kitware.com
>> >>
>> >> Visit other Kitware open-source projects at
>> > 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
>> >>
>> >> Follow this link to subscribe/unsubscribe:
>> >> http://www.cmake.org/mailman/listinfo/cmake
>> >
>> >
>> >
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
> 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
>>
>> Follow this link to subscribe/unsubscribe:
>> http://www.cmake.org/mailman/listinfo/cmake
>
>
>