I'll try to have a closer look (at the IHP now).
I use scons v2.3.0

On Sun, May 18, 2014 at 5:29 PM, Gyesik Lee <[email protected]> wrote:

> Hi,
>
> an error occurred during building the whole library with the following
> messages:
>
> ......
> coqc metric2/Metric -R . CoRN -R math-classes/src MathClasses
> File "/home/gslee/c-corn/corn/metric2/Metric.v", line 48, characters 33-36:
> Error:
> In environment
> is_MetricSpace : forall X : RSetoid, (Qpos -> relation X) -> Prop
> X : RSetoid
> B : Qpos -> relation X
> e : Qpos
> The term "B e" has type "relation X" while it is expected to have type
>  "CProp".
> scons: *** [metric2/Metric.vo] Error 1
> scons: building terminated because of errors.
> ....
>
> That is, there is a type mismatch in the metric2/Metric.v library.
>
> I am using Ubuntu 14.04 with Coq 8.4pl4 and scons 1.2.0
>
> First question: Does this error just mean that some updates of the library
> are not compatible?
>
> Second question: Does the version of scons does not matter when it is >=
> 1.2? I tested both versions (1.2.0 and the latest). During building, the
> latest version shows hardly a warning, but the 1.2.0 version shows a lot.
> (It's my first time to use scons.) But the errors occur at the same point.
>
> Gyesik
>
>
>
>
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>
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