Re: building a toolchain with gcc4?

["Robert P. J. Day" <rpjday at mindspring dot com>]

On Wed, 1 Dec 2004, Dan Kegel wrote:

> Robert P. J. Day wrote:
> >   on my shiny new FC3 system, i have both the standard gcc-3.4.2
> > (which i am at the moment using to build a new SH3 toolchain), as
> > well as the bleeding edge preview gcc4 compiler.
> >
> >   is there any value to trying to build (just as a test) the same
> > toolchain with gcc4?  would it require ugly hacks to the scripts to
> > override the ubiquitous calls to "gcc" with "gcc4"?  i've got spare
> > CPU cycles, might as well waste them.
>
> No hacks needed; just make a directory ~/fakebin containing a script
> named gcc that contains
>
> #!/bin/sh
> gcc4 "$@"
>
> mark it executable with
> chmod +x gcc
>
> then run demo-sh3.sh with
> PATH=~/fakebin:$PATH demo-sh3.sh
>
> That overrides gcc just for that one run.

yeah, i thought of that right after the caffeine hit.  although it
*would* be cleaner if all invocations of the native gcc weren't
hardcoded and instead used, say, $GCC or $BUILDGCC or something to
make it easier.  just a thought. :-)

rday

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