DKMS make.log for vboxnetadp-3.1.4 for kernel 2.6.38-8-generic-pae (i686)
Mon Apr 25 20:41:54 EDT 2011
make: Entering directory `/usr/src/linux-headers-2.6.38-8-generic-pae'
  LD      /var/lib/dkms/vboxnetadp/3.1.4/build/built-in.o
  CC [M]  /var/lib/dkms/vboxnetadp/3.1.4/build/linux/VBoxNetAdp-linux.o
In file included from /var/lib/dkms/vboxnetadp/3.1.4/build/r0drv/linux/the-linux-kernel.h:38:0,
                 from /var/lib/dkms/vboxnetadp/3.1.4/build/linux/VBoxNetAdp-linux.c:25:
/var/lib/dkms/vboxnetadp/3.1.4/build/include/iprt/types.h:101:31: fatal error: linux/autoconf.h: No such file or directory
compilation terminated.
make[1]: *** [/var/lib/dkms/vboxnetadp/3.1.4/build/linux/VBoxNetAdp-linux.o] Error 1
make: *** [_module_/var/lib/dkms/vboxnetadp/3.1.4/build] Error 2
make: Leaving directory `/usr/src/linux-headers-2.6.38-8-generic-pae'