On Mon, 18 Dec 2017 14:04:21 +0300
Карелин Павел <[email protected]> wrote:
> In my project, I use the following construction:
>
> cpp.defines: {
> var def = [];
> if (project.simdDebug)
> def.push("SIMD_DEBUG");
>
> if (project.useSimd)
> def.push("USE_SIMD");
>
> return def;
> }
>
> It works fine.
> But I decided to experiment and do the same through "Properties"
>
> Properties {
> condition: project.simdDebug
> cpp.defines: outer.concat(["SIMD_DEBUG"])
> }
> Properties {
> condition: project.useSimd
> cpp.defines: outer.concat(["USE_SIMD"])
> }
>
> As a result, I get either SIMD_DEBUG or USE_SIMD at the output, but not
> both at once.
> Is it possible to get both values immediately using "Properties"?
No, the Properties items form an implicit "else if" chain, so the conditions
should be mutually exclusive if the same property appears in more than one of
them. They are not well-suited for additive semantics like in your example.
Christian
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