> Date: Wed, 26 Feb 2014 19:04:18 +0100
> From: "Armin K." <kre...@email.com>
> To: LFS Developers Mailinglist <lfs-dev@linuxfromscratch.org>
> Subject: Re: [lfs-dev] gcc pass 1/2 instructions re mpfr/gmp/mpc.
>
> On 02/26/2014 07:05 PM, akhiezer wrote:
> >
> > Hi,
> >
> >
> > Does gcc pass1 & pass2 instructions need '--with-gmp...' (possibly also
> > '--with-mpc...') configure options (re-)added, or have mpfr/gmp/mpc listed
> > in the book's general host-requirements ('prologue/hostreqs.html') ?
> >
> >
>
> Both gcc pass1 and pass2 extract gmp, mpfr and mpc into the gcc source
> tarball before starting the build. They get built in the gcc build
> process that way.
>
Yeah, that was broadly folks' 'carried-along' understanding: but per thread
details, it seems maybe not - and seems that gcc was looking into host-os;
and if mpc not present in host-os - or moved-aside as a debug-test of
the issue - then gcc pass build fails; & iirc similarly for at least
mpfr; & iiuic/iirc that's at least partly why configure gets told those
'--with-...' details.
> > Reason is that it looks like if host system doesn't have either of at
> > least gmp or mpfr - or gcc pass 1/2 can't locate them - then the gcc pass
> > 1/2 build fails.
> >
> >
> > Fuller details are in the thread:
> > ----
> > list: lfs-support
> > date: 2013 nov thru dec (some init posts of thread were iirc a bit earlier).
> > subject: GCC build first pass: mpc build looks for libgmp.la in the wrong
> > place
> > OP & solver: Hazel Russman
> > ----
> >
> >
> > A summary wrt possible book adjustments, is at:
> >
> >
> > https://www.mail-archive.com/lfs-support@linuxfromscratch.org/msg21219.html
> >
> > (Can re-include message inline here if preferred (is that method preferred,
> > or is web-links to acting archives ok)). As noted in/ca that message,
> > the trac-recorded history of gcc pass1/2 wrt these config options, looks
> > perhaps a bit unusual ca lfs-6.8/7.0 ; looks like maybe something got
> > omitted/'dropped-between-two-stools' inadvertently?
> >
> >
> >
> > rgds,
> > akhiezer
> >
> >
>
> --
> Note: My last name is not Krejzi.
> --
>
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