Lawrence Teo writes "Unlike other operating systems, patches for the OpenBSD base system are distributed as source code patches. These patches are usually applied by compiling and installing them onto the target system. While that upgrade procedure is well documented, it is not suitable for systems that don't have the OpenBSD compiler set installed for whatever reason, such as disk-space constraints. To fill this gap, open source projects like binpatch were started to allow administrators to create binary patches using the BSD make system. This article proposes an alternative method to build binary patches using a chroot environment in an attempt to more closely mirror the instructions given in the OpenBSD patch files."
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