[Xastir] Imagemagick

[George Shaw]

I am getting this when I start xastir

*** Skipping '/usr/local/share/xastir/maps/Online/terraserver.geo', 
IMAGESIZE tag missing or incorrect. ***
Perhaps no XPM or ImageMagick library support is installed?
*** Skipping '/usr/local/share/xastir/maps/Online/toposerver.geo', 
IMAGESIZE tag missing or incorrect. ***
Perhaps no XPM or ImageMagick library support is installed?
Map Refresh set to 720.
ERROR loading /usr/local/share/xastir/maps/Online/TXRadar.geo
Map Refresh set to 720.
ERROR loading /usr/local/share/xastir/maps/Online/USRadar.geo
Map Refresh set to 720.
ERROR loading /usr/local/share/xastir/maps/Online/USRadar.geo

I have compiled xastir  with IM (I think). Mention was made of the 
runtime files? where is the developer files for IM every one taks of?