mono 1.0 problem

[Osmany Guirola Cruz]

i am trying to install mono 1.0 on my freebsd 4.10 STABLE but it freeze here
in the process of install 

MONO_PATH=. ../../mono/mini/mono 
--config ../../data/config ./../gacutil.exe /i ./Mono.GetOptions.dll /f /package 
1.0 /gacdir /usr/local/lib /root /usr/local/lib
Package exported to: /usr/local/lib/mono/1.0/Mono.GetOptions.dll 
-> /usr/local/lib/mono/gac/Mono.GetOptions/1.0.5000.0__0738eb9f132ed756/Mono.GetOptions.dll
Mono.GetOptions installed into the gac (/usr/local/lib/mono/gac)

and the process lt-mono have more than 60 % of  CPU 
how can i solve these