2 addl. info & link
source | link

You have an incomplete source tree - kernel sources are in /usr/src/sys which ls shows missing. The file you're attempting to patch should be in: /usr/src/sys/net/if_pflow.c
You'll need to get the sys.tar.gz sources to patch & compile the kernel. Be sure to follow the procedure closly

  1. http://www.openbsd.org/anoncvs.html#starting
  2. http://www.openbsd.org/stable.html

You have an incomplete source tree - kernel sources are in /usr/src/sys which ls shows missing. You'll need to get the sys.tar.gz sources to patch & compile the kernel

  1. http://www.openbsd.org/anoncvs.html#starting

You have an incomplete source tree - kernel sources are in /usr/src/sys which ls shows missing. The file you're attempting to patch should be in: /usr/src/sys/net/if_pflow.c
You'll need to get the sys.tar.gz sources to patch & compile the kernel. Be sure to follow the procedure closly

  1. http://www.openbsd.org/anoncvs.html#starting
  2. http://www.openbsd.org/stable.html
1
source | link

You have an incomplete source tree - kernel sources are in /usr/src/sys which ls shows missing. You'll need to get the sys.tar.gz sources to patch & compile the kernel

  1. http://www.openbsd.org/anoncvs.html#starting