Re: GUB and mpfr/mpc

[Masamichi HOSODA]

> ----- 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 
> 

libgmp-dev package exists after Ubuntu 12.04.
http://packages.ubuntu.com/search?keywords=libgmp-dev&searchon=names&suite=all&section=all

My environment is Ubuntu 14.04LTS amd64.
Are you using Ubuntu 10.04?