[Scons-users] CPPDEFINES Unexpected Behavior

[Gary Oberbrunner]

On Wed, Apr 10, 2013 at 5:13 PM, Evan Driscoll <driscoll at cs.wisc.edu> wrote:


> On 04/10/2013 02:48 PM, Strand, Kyle J wrote:> No, it doesn't, and it

> shouldn't be expected to. That produces the def

> > string "def1=", which, I suppose, might be better than "def1=None",

> > but still isn't correct; it should simply be "def1".

>

> FWIW, I basically always use CPPDEFINES as a dictionary, and the

> behavior that Kyle wants is what I'd expect. In fact, I'm rather

> surprised that I haven't exercised that functionality, as I thought I

> had. :-)

>

> I'd expect something like:

>   env['CPPDEFINES'] = { 'A': None, 'B': 1, 'C': 'Foo' }

> to produce the command lines

>   ... -DA -DB=1 -DC=Foo

>   ... /DA /DB=1 /DC=Foo

> as appropriate for the platform. (Alternatively, it could say -DA=1 and

> /DA=1.)

>


I agree with you all here.  The above looks like the proper behavior.
 Please submit a bug report or better yet a patch.  There are tests for
this which should be extended.

-- 
Gary
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