Failure to build emacs 21.1

[Craig Eales]

I cannot build the new emacs - the following is the final few lines:

system : Linux 2.4 - gcc 3.01 - 128M Physical - 512M virtual. please help.

CE

Loading vc-hooks...
Loading ediff-hook...
((41578 . 3318) (8192 . 0) (511 . 43) 70780 105521 (14 . 9) (21 . 0) (7098 .
1407))
Finding pointers to doc strings...
Finding pointers to doc strings...done
Wrote /home/craig/emacs-21.1/lib-src/fns-21.1.1.el
Dumping under names emacs and emacs-21.1.1
emacs: Can't mmap (/home/craig/emacs-21.1/src/temacs): errno 22