[CMake] Weird STREQUAL result

[Dirk Thomas]

I guess I asked the question without searching enough before.
It indeed seems to be "indented behavior".
Answering my own question with the following link:
http://stackoverflow.com/questions/19982340/cmake-compare-to-empty-string-with-strequal-failed

Sorry for the noise.

- Dirk

On Sat, Aug 30, 2014 at 11:13 AM, Dirk Thomas <dthomas at osrfoundation.org> wrote:
> I ran into weird behavior with STREQUAL and boiled it down to the
> following simple example:
>
>     cmake_minimum_required(VERSION 2.8)
>     if("f" STREQUAL "")
>         # happens with CMake version 2.8.12.2
>         message(FATAL_ERROR "This should not be TRUE: 'f' STREQUAL '' ")
>     endif()
>
> I would expect that the condition evaluates to FALSE since the two
> strings are obviously not equal.
> But in my case (using CMake 2.8.12.2 on Ubuntu 14.04) the condition
> evaluates to TRUE.
>
> Is this a known bug, should I fill a ticket for it or is that
> "expected" behavior?
> If it is the latter could someone please describe why that is the case?
>
> Thank you,
> - Dirk