Using a different WORK folder for ports

[Bigbrother]

Thank you but I still have problem because its read only...
Any suggestion?

ikaros# cat /etc/make.conf
WRKDIRPREFIX=/usr/tmp

ikaros# portinstall vim
--->  2 ports match the given pattern 'vim':
        editors/vim
        editors/vim5
Install 'editors/vim'? [yes]
Install 'editors/vim5'? [yes] no
--->  Installing 'vim-6.1.435' from a port (editors/vim)
--->  Building '/usr/ports/editors/vim'
===>  Cleaning for libiconv-1.8_2
===>  Cleaning for gettext-0.11.5_1
===>  Cleaning for glib-1.2.10_8
===>  Cleaning for gmake-3.80
===>  Cleaning for imake-4.3.0
===>  Cleaning for libtool-1.3.4_4
===>  Cleaning for pkgconfig-0.15.0
===>  Cleaning for freetype2-2.1.3_1
===>  Cleaning for expat-1.95.6_1
===>  Cleaning for fontconfig-2.1.92
===>  Cleaning for gtk-1.2.10_9
===>  Cleaning for XFree86-libraries-4.3.0_1
===>  Cleaning for vim-6.1.435
mkdir: /usr/ports/distfiles/vim: Read-only file system
*** Error code 1

Stop in /usr/ports/editors/vim.