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Re: alternative for bootstrapping non-C frontends
- From: Rainer Orth <ro at TechFak dot Uni-Bielefeld dot DE>
- To: Lode Leroy <lode_leroy at hotmail dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: 17 May 2002 13:17:40 +0200
- Subject: Re: alternative for bootstrapping non-C frontends
- References: <3CE4D00E.firstname.lastname@example.org>
Lode Leroy <email@example.com> writes:
> If the frontends could be compiled to RTL, and some external
> representation of that platform-independent representation of the
> programs be written to files (eg. .rtl instead of .o files), then one
> could get away with bootstrapping the C frontend, and the backend for
> the platform, and then compile the .rtl files to .o files, and link
> those to obtain a working frontend. This would remove the need to find
> an existing ADA compiler for the target platform, or the need to go
> through the process of building a cross-compiler.
> This process would simplify bootstrapping for compilers that are not
> written in C.
RTL wouldn't be an appropriate intermediate format, but there's been a
patch to provide a C backend (i.e. generate C instead of assembler code)
This would allow for an initial bootstrap of frontends not written in C
from distributed C sources, similar to e.g. the GHC haskell compiler which
is written in Haskell itself. The political status of this patch is still
undetermined, though (at least, I'm not aware of a definite outcome).