[CentOS] CentOS 5.3 - Activating laptop wireless card

On Wed, 2009-09-02 at 19:34 +0100, Ned Slider wrote:
Trying to install the driver for my bcm4311 wireless card, I've
downloaded the driver package from

http://www.broadcom.com/support/802.11/linux_sta.php 

and followed the instructions in the readme file, untared it in the
directory hybrid_wl.
When I try to build the LKM using 
# make -C/lib/modules/2.6.18-8.el5/build M='pwd'
I get the error message make: *** /lib/modules/2.6.18-8.el5/build: No
such file or directory.  Stop.
Any ideas as to what I'm doing wrong please?

Andy