error: /opt/local/include/X11/extensions/render.h is being used by the active render port.

[Joshua Root]

Jean-Michel Pouré wrote:
> sudo port -v install ffmpeg-devel
> --->  Activating xorg-renderproto @0.9.3_0
> Error: Target org.macports.activate returned: Image
> error: /opt/local/include/X11/extensions/render.h is being used by the
> active render port.  Please deactivate this port first, or use the -f
> flag to force the activation.
> Warning: the following items did not execute (for xorg-renderproto):
> org.macports.activate
> Error: The following dependencies failed to build: libsdl xorg-libXrandr
> xorg-renderproto
> Error: Status 1 encountered during processing.
> 
> df -lh
> Filesystem     Size   Used  Avail Capacity  Mounted on
> /dev/disk0s2   233G   193G    39G    83%    /
> /dev/disk1s1   501M   501M   640K   100%    /Volumes/NO NAME
> /dev/disk2s2    60M    55M   4.8M    92%    /Volumes/iSkysoft Video
> Converter
> 
> Pardon my ignorance, but what should I do to build ffmpeg-devel? I am
> completely new to MacPorts and thank you in advance.

The render port was removed a while ago, and for quite a while before
that it installed no files because it has been replaced by
xorg-renderproto. Anyway, render is no longer needed, so to get rid of
it just run `sudo port -f uninstall render`.

- Josh