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Re: Need review: ghc



On Thu, May 12, 2005 at 10:59:26AM -0700, Per Bjornsson wrote:
> On Thu, 2005-05-12 at 13:32 -0400, seth vidal wrote: 
> > a package cannot require itself.
> > 
> > that makes no sense at all.
> 
> Well, if it weren't that GCC was considered part of the base build
> system I bet that GCC would have to build-require some C compiler in any
> case! (Yes I know it rebuilds itself with itself to get consistent
> results, but to kick off the first bootstrap stage some marginally
> competent C compiler is necessary.)
> 
> In principle I guess this compiler could possibly BuildRequire
> something other than specifically "ghc", perhaps "some Haskell
> compiler". However, GHC seem to be the most popular one around, and
> there's certainly no other one in Fedora... Any other suggestions for
> how to deal with this bootstrap problem?
> 
> Perhaps someone knows how the GNU Ada compiler (part of GCC, packaged as
> gcc-gnat) was first bootstrapped in Red Hat Linux? It's an Ada compiler
> written in Ada AFAIK...
> 
I don't know how it was first bootstrapped, but this is in the gcc4.spec
(of which gcc-gnat is a subpackage).

  %if %{build_ada}
  # Ada requires Ada to build
  BuildRequires: gcc-gnat >= 3.1, libgnat >= 3.1
  %endif

-Toshio


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