RPATH with multiple empty paths (e.g., ::::::::)

[Alexander Neundorf]

On Sunday 03 August 2008, Gavin Beatty wrote:
> Hello,
>
> A lot of KDE libraries are being given strange RPATHs. I'm getting
> link lines giving this:
>
>  
> /home/kde-devel/work/kde4/qt-copy/lib:/home/kde-devel/opt/kde4/lib:::::::::
>::::::::::::::::::::
>
> as the rpath. We all know that this is bad. 

Then you know more than I do.
Why is it bad ?

The colons reserve space for the install RPATH, which seems to be longer than 
the build RPATH in this case. Current binutils don't provide a nicer way to 
do this.

Alex