Re: GUB and mpfr/mpc

[Phil Holmes]

----- Original Message ----- 
From: "Masamichi HOSODA" <address@hidden>
To: <address@hidden>
Sent: Thursday, October 23, 2014 12:07 PM
Subject: Re: GUB and mpfr/mpc


> > I'm trying to update GCC on GUB and have a new virtual machine with
> > updated versions.  I was having problems getting MPFR to build, but it
> > looks like I'ev fixed that with the new VM.  However, it looks to me like
> > GCC 4.8.2 has a new dependency on MPC that older versions did not: there
> > appears no mention of MPC as a package in the current version of GUB.  My
> > most recent failure says this:
> >
> > checking for the correct version of gmp.h... buggy but acceptable
> > checking for the correct version of mpfr.h... yes
> > checking for the correct version of mpc.h... no
> > configure: error: Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC
> > 0.8.0+.
> >
> > So it looks like we need to add a dependency on MPC.  Problem is, I don't
> > have a clue how to do this.  I could try some stuff, but can anyone here
> > help with how this dependency should be added to GUB?
> >
> > TIA.
>
> Did the error occur, while building cross/gcc?
> If that is right, GMP/MPFR/MPC may be required for not GUB but host OS.


The error is in the linux-86/log/cross/gcc-core.log file, so I assume the 
answer is yes.  However, my understanding is that the only package that 
should need separately installing on plain Ubuntu/linux is git: the rest 
should be downloaded and built by make bootstrap.

--
Phil Holmes