cannot open draftsight on mac snowleopard

Hello,

 

Cannot open draftsight. I installed draftsight yesterday - it never works

 

Problem report :

 Library not loaded: /usr/X11/lib/libfontconfig.1.dylib  Referenced from: /Applications/DraftSight.app/Contents/MacOS/../Frameworks/libDDKERNEL.1.dylib  Reason: image not found

 

Can you help? please