buildworld fails on just updated source

[Simon 'corecode' Schubert]

Ferruccio Zamuner wrote:
# make buildworld
[...]
===> usr.bin/kdump
sh /usr/src/usr.bin/kdump/mkioctls 
/usr/obj/usr/src/world_i386/usr/include > ioctl.c
/usr/src/usr.bin/kdump/mkioctls: awk: Argument list too long
/usr/src/usr.bin/kdump/mkioctls: awk: Argument list too long
This is a valid error, but you should be able to work around it by 
running make cleandir in all module directories where you manually built 
modules.  At least this used to be the cause.

cheers
  simon