FixIncludes on host, build and target machines

[Laurynas Biveinis]

Bruce Korb wrote:
> There should be only one argument:  the canonical name of the
> machine that fixincl runs on.  The machine that the compiler
> output will run on is irrelevant.  The headers that get processed
> must be the headers for the target machine, but the rules for
> the construction of fixincl itself must target the machine
> where fixincl runs.

Yes, in the beginning I wanted to fix it like you described, but
I wasn't sure about various fixinc.* scripts. I thought they depend on
target and not build system, don't they?

Laurynas