AIX Compiler Version

[William D Ricker]

Jerry,

Generally good advice as always, but good general Unix advice doesn't
always apply to AIX. Your answer will likely not help for the AIX host
he's dealing with.

> Did you try using -v or -V?

I suspect he tried that first and found it doesn't help on AIX.
That would be too easy, I suspect if that worked I'd have been using
it for 5 years.  (I'll try it again tomorrow and be annoyed if it works! :-)

> Also note that you are dealing with 3 or 4 different pieces of software:

On AIX, the confusion is different.

IBM used to packages two divergent C compilers, XL C for AIX and Visual
Age C for AIX, with matching C++ versions. Now all is one, and the VA
environment is an add-on, but it's still a couple of licensed program
products.

> 1. The compiler driver (This is the cc command it calls the other steps)
> 2. The pre-processor - may be integrated with the front end.
> 3. The front end. This is the lexer/parser. It produces a parse tree.
> 4. The back end. This generates the object code or assembly code to pass to 

At this point, I think VAC, VACPP, XLC, and the C++ version of XLC
whose name I forget all use the same FE & BE and only have
divergenent drivers & licenses.

> Take a look in /usr/ccs/lib/cmplrs

Not on an AIX you won't !  They're in /usr/lpp/, with symbolic links in
/usr/bin and /usr/lib.

But the aix lslpp command is the master repository of version
numbers, it will cough up the patch level of the libraries even.

-- 
/"\     Bill Ricker  N1VUX  wdr at world.std.com
\ /     http://world.std.com/~wdr/           
 X      Member of the ASCII Ribbon Campaign Against HTML Mail
/ \