hi, [...] >>> make[1]: Leaving directory >>> `/pool/software/ruby/ruby-1.8.4/ext/enumerator' >>> compiling etc >>> /pool/software/ruby/ruby-1.8.4/lib/mkmf.rb:174:in `initialize': >>> Permission denie >>> d - mkmftmp1.log (Errno::EACCES) > > Oops ... didn't see that. It looks like you don't have enough privileges > to "install" software. You probably need to be what Windows calls a > "Power User" or an "Administrator" to run this. Check with your IT folks > if you aren't the Administrator of your system. Meanwhile, you can use > the binary Ruby that comes with CygWin. actually I am logged in as administrator on XP but you are right if I recall properly "whoami" under cygwin said I am not the "root" [...] >> Do you just need Ruby on CygWin, or do you need to build it from >> source? My copy of CygWin (I install the whole thing) has Ruby 1.8.4 >> as part of the distribution. I don't know why building Ruby from >> source would break, though. yes, ruby is a part of the distribution there seems to be a problem with irb (it doesn't start) that's why I am trying to install it from sources most of the time I am working on my Linux box and I simply like to build software I use from sources :) I will try to "su root" next time I boot into XP Regrads, Daniel