Re: [avr-gcc-list] Installing WinAVR 20070122 broke older 3.4.5install?

[Albert Andras]

----- Original Message ----- 
From: "Eric Weddington" <address@hidden>
To: "'Joerg Wunsch'" <address@hidden>; 
<address@hidden>
> > It's a bit counterintuitive that GCC prefers the Windows registry key
> > over an environment variable.  In Unix, environment variables have
> > usually been used to override defaults, but that would no longer be
> > possible once the registry key in place.  If you don't like that,
> > please file a bug report with the GCC (and binutils) folks.  I don't
> > know what's the reasoning for this.

This can be disabled at build time.

> From http://gcc.gnu.org/install/configure.html
--enable-win32-registry
--enable-win32-registry=key
--disable-win32-registry
The --enable-win32-registry option enables Microsoft Windows-hosted GCC to 
look up installations paths in the registry using the following key:

Andras

> It's only counterintuitive because your used to Unix. On Unix, environment
> variables are the norm. In the old DOS days they were the norm on DOS. In
> moving to Windows, and especially now, like it or not, MS moved to this
> "registry" idea as a way to centrally locate all these .ini files they 
> used
> to have. There are still enviornment variables on Windows, it's just 
> they're
> so far buried down it's hard to get to. MS "encapsulated" the environment
> variables in the registry. Note that it doesn't mean that I like the 
> system.
>
>
> > The only simple solution I could think of Eric might implement is to
> > ask the user/administrator at installation time, whether the registry
> > keys should be brought into place, or whether the user would rather
> > like to handle that on their own, using environment variables.
> >
> > I agree though, system-wide environment variables are completely
> > unsuited as the name of the variable being looked up is always one of
> > GCC_ROOT, BINUTILS_ROOT, etc -- independent of whether this is a
> > cross-compiler or not.
>
> Right.
>
> At least with the registry there can be keys that are specific
> distro+version. Up until now I haven't put the version on there.
>
> Eric
>
>
>
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