Contributed by sean on from the make world on ancient hardware then go on vacation dept.
Arrigo Triulzi has done a brief writeup of getting OpenBSD built from source while using only one, shared source checkout via read only NFS mount. This was useful for his scenario, which had a machine with limited disk, and helped him to conserve disk space overall. It should be helpful to anyone who manages multiple machines and wants to conserve on disk space while building from source, for example to test a patch or updates. You can find his writeup on his website, "Building OpenBSD "make world" with /usr/src read-only".
This is a handy trick to use with older machines where big disks are either prohibitively expensive or hard to find. This may actually be faster and with some old machines (like the SS5 in the article) where network access to cheap IDE disks may be faster than the ancient SCSI disks in use. For those of us too lazy to try the above and have extra chasis room, these (for non-SCA machines) are helpful.
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