Re: GUB and mpfr/mpc

[Phil Holmes]

----- Original Message ----- 
From: "Masamichi HOSODA" <address@hidden>
To: <address@hidden>
Cc: <address@hidden>; <address@hidden>
Sent: Saturday, October 25, 2014 2:58 PM
Subject: Re: GUB and mpfr/mpc


> > ----- 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
>
> cross/gcc-core is built by host OS native gcc.
> Would you try the following commands on your Ubuntu?
>
> sudo apt-get update
> sudo apt-get install libgmp-dev
> sudo apt-get install libmpfr-dev
> sudo apt-get install libmpc-dev
>
> In my environment, I have succeeded in building of 
> linux-x86::cross/gcc-core.
> However, I have still failed in building of linux-x86::glibc-core.
>
> https://github.com/trueroad/gub/tree/binutils-2.24

apt-get update ran fine.  However, I get this for libgmp:

address@hidden:~/gub$ sudo apt-get install libgmp-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Couldn't find package libgmp-dev

--
Phil Holmes