[cfe-dev] First shot at Bug 4127 - The clang driver should support cross compilation

[Chandler Carruth]

On Mon, Jan 9, 2012 at 1:46 PM, Joerg Sonnenberger
<joerg at britannica.bec.de>wrote:

> On Mon, Jan 09, 2012 at 03:00:30PM -0600, Sebastian Pop wrote:
> > I would like the default config file to be created by the configure
> scripts,
> > and all the logic that is currently executed at each clang compilation
> > to be moved to configure time.
>
> This is the part I object to. Please do not make cross-compilation more
> painful than it has to be. It works well for some of us without any new
> movable parts, just by specifying the right target and --sysroot.
>

I completely agree. I'm really opposed to removing baked-in support for the
most common platforms. This should be about extending our ability to
support less common platforms more easily.

Also, I'm not really excited about starting to attack this problem from
this direction. I think the first steps need to be refactoring and
rationalizing the existing code in the driver to have a better design and
structure, before we start extending it to support referencing an external
data file to collect information. Otherwise I fear we will embed the wrong
structure or information in the data file, and use these data files as
crutches to avoid properly designing the internals.
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