[cmake-developers] [CMake 0016082]: Support alternative download URL in ExternalProject_Add

[A. Klitzing]

Hi Brad,

thanks for your advice!
I APPEND the log of every failed download and print that only if no
URL works now. So we reserve the detailed error log of a single
download attempt.

Best regards
   André



2016-04-29 19:45 GMT+02:00 Brad King <brad.king at kitware.com>:
> On 04/28/2016 03:13 PM, A. Klitzing wrote:
>> -  message(FATAL_ERROR \"error: downloading '${remote}' failed
>> +  message(WARNING \"downloading '\${url}' failed
>
> Thanks for working on this!  Please revise the logic to collect
> the list of failed URLs in a list and report an error listing
> all URLs only after they all fail.  Otherwise once the source
> moves all future builds will get warnings even though they
> succeed on one of the alternatives.
>
> Thanks,
> -Brad
>
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