[arch-general] Any way to revert chroot to gcc46?

[Baho Utot]

On 04/13/2012 08:51 AM, David C. Rankin wrote:
> On 04/13/2012 07:40 AM, David C. Rankin wrote:
>> On 04/05/2012 03:43 PM, Baho Utot wrote:
>>> On 04/05/2012 03:36 PM, David C. Rankin wrote:
>>>> Guys,
>>>>
>>>>    Is there any way to revert my chroot for building back to gcc46 immediately
>>>> prior to this last gcc47 update? Obvious reasons - bug fixes required due to
>>>> new gcc47 C11&  C11++ extension implementation, etc..., but I would like to
>>>> continue building until the bugs are fixed. Is there a reasonable way to do
>>>> that absent having to set up and point the chroot pacman.conf at a hand-built
>>>> repo with just the gcc46 files in it?
>>>>
>>> copy the gcc binary/pkgbuilt files to<chroot>/root/repo
>>>
>>> repo-add gcc<whatever>*
>>>
>>> chroot<chroot>/root
>>>
>>> pacman -S gcc<whatever>
>>>
>>> exit
>>>
>>>
>> Doesn't that require:
>>
>> pacman -U gcc...xz gcc-libs...xz etc..?
>>
>>    With pacman -S, it still tries to pull in gcc 4.7 from the normal repos.
>>
>>
>>
> Hmm..
>
>    That failed.
>
> created a new chroot 'ch46'
>
> created a new repo in ch46 and copied the needed gcc46 files and libtool, then
> tried to use 'pacman -U':
>
> pacman -U gcc-4.6.3-1-x86_64.pkg.tar.xz gcc-fortran-4.6.3-1-x86_64.pkg.tar.xz
> gcc-go-4.6.3-1-x86_64.pkg.tar.xz gcc-libs-4.6.3-1-x86_64.pkg.tar.xz
> gcc-objc-4.6.3-1-x86_64.pkg.tar.xz libtool-2.4.2-4-x86_64.pkg.tar.xz
>
> warning: downgrading package gcc (4.7.0-4 =>  4.6.3-1)
> warning: downgrading package gcc-libs (4.7.0-4 =>  4.6.3-1)
> warning: downgrading package libtool (2.4.2-5 =>  2.4.2-4)
> resolving dependencies...
> looking for inter-conflicts...
>
> Targets (6): gcc-4.6.3-1  gcc-fortran-4.6.3-1  gcc-go-4.6.3-1  gcc-libs-4.6.3-1
>   gcc-objc-4.6.3-1  libtool-2.4.2-4
>
> Total Installed Size:   146.32 MiB
> Net Upgrade Size:       69.35 MiB
>
> Proceed with installation? [Y/n]
> (6/6) checking package integrity
> [#######################################] 100%
> (6/6) loading package files
> [#######################################] 100%
> (6/6) checking for file conflicts
> [#######################################] 100%
> error: could not determine filesystem mount points
> error: not enough free disk space
> error: failed to commit transaction (unexpected error)
> Errors occurred, no packages were upgraded.
>
>    Huh? So how do you set up a chroot with gcc46?
>
mount -vt devpts devpts <chroot>/dev/pts
mount -vt tmpfs shm <chroot>/dev/shm
mount -vt proc proc <chroot>/proc
mount -vt sysfs sysfs <chroot>/sys