[U-Boot] [WIP] tools/env: cleanup host build flags

[Mike Frysinger <vapier@gentoo.org>]

On Wednesday, November 10, 2010 06:58:51 Daniel Hobi wrote:
> On 10.11.2010 10:23, Mike Frysinger wrote:
> > On Monday, October 11, 2010 12:06:46 Daniel Hobi wrote:
> >> - use the cross compiler again (fw_printenv is intended for a
> >> 
> >>   hosted environment on the target).
> > 
> > the cross-compiler used to create u-boot has no guarantee that it'll
> > produce executables useful for the target OS.  often this isnt the case.
> >  HOSTCC however will produce useful userspace applications for whatever
> > host the user has selection.
> 
> But in many cases the default for CC is sufficient to build such
> executables, whereas the default for HOSTCC is almost never (except when
> HOST==TARGET).

the difference is that the current state is consistent across all tools.  i 
wish to cross-compile all of them for different systems and not just subsets 
in different inconsistent ways.

> Usually HOSTCC refers to the system where the toolchain is running. So
> maybe we should introduce TARGETCC to build executables running on the
> system the toolchain is generating executables for. TARGETCC would

i'm ok with splitting the logic a bit more to refine the intentions
-mike
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