wireless tools installation without internet access

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Readers,

An old portable computer has been installed with archlinux via a CD and 
was used successfully with ethernet cable internet connection. Now, 
cable connection is no longer available and it became necessary that 
various wireless software was not installed.

Firmware (ipw2100 for intel wireless pro) was copied from usb memory to 
a /usr/local/ directory.

After trying the command 'make', an error was reported that some 
wireless software (ieee802 I think?).

Are there a set of wireless functionality tools that can be downloaded 
to a usb flash memory device, then installed onto this old computer?