after installing OSX Yosemite


reinstall Xcode and command line tools 10.10 (apple developper)

update homebrew

relinking ghostscript
> brew link --overwrite ghostscript

mactex -> works with no problems

now, MSOffice 2011 doesn't work correctly
waiting for update

iraf (http://iraf.net/forum/viewtopic.php?showtopic=1468688)
 seems to work with no problem but you have to relink /usr/X11R6 to /opt/X11
 for xgterm
 sudo ln -s /opt/X11 /usr/X11R6

ds9 works




remaining check points
idl ?