[arch-general] gcc -m64

Ciprian Dorin, Craciun ciprian.craciun at gmail.com
Sat Nov 7 07:14:05 EST 2009

On Sat, Nov 7, 2009 at 1:56 PM, Allan McRae <allan at archlinux.org> wrote:
> Ciprian Dorin, Craciun wrote:
>> On Sat, Nov 7, 2009 at 12:04 PM, Xavier <shiningxc at gmail.com> wrote:
>>> On Sat, Nov 7, 2009 at 8:14 AM, Ciprian Dorin, Craciun
>>> <ciprian.craciun at gmail.com> wrote:
>>>> On Sat, Nov 7, 2009 at 3:13 AM, Sven-Hendrik Haase <sh at lutzhaase.com>
>>>> wrote:
>>>>> Ciprian Dorin, Craciun wrote:
>>>>>>   Hello all!
>>>>>>   I have ArchLinux i686 version, but I'm trying to compile an x86_64
>>>>>> kernel... And you've guessed... Not supported by the ArchLinux stock
>>>>>> gcc / binutils...
>>>>>>   I've done the "raining" dance, by trying to compile my own gcc /
>>>>>> binutils, but it didn't "rain" (I mean it didn't work)... Any
>>>>>> pointers?
>>>>>>   Thanks,
>>>>>>   Ciprian.
>>>>>>   P.S.: Is there any good reason for which there isn't even a
>>>>>> separate package of gcc that is able to do this? (I've read the bug
>>>>>> from one year ago, but no good reason was specified...)
>>>>>>   P.P.S.: I'm missing Debian...
>>>>> Arch users generally prefer a clean 32bit/64bit chroot to a "dirty"
>>>>> system
>>>>> and have therefore developed tools to make chroot creation really
>>>>> convenient. You should try it too - get the devtools and try
>>>>> "mkarchroot".
>>>>> -- Sven-Hendrik
>>>>   About the reason I've read it and somehow understood it. Also
>>>> mkarchroot is quite nice (in fact the reason I'm struggling with
>>>> kernel compilation is for a Vserver deployment)...
>>>>   But back to the problem at hand: I cannot use a chrooted Linux,
>>>> because in order to use x86_64 packages I need a x86_64 enabled kernel
>>>> on my laptop (which I don't). So actually I need to cross-compile the
>>>> kernel.
>>>>   Now I've seen that in the default repository we have gcc for
>>>> crosscompiling for arm. Why not one for x86_64?
>>>>   Anyway thanks for the pointer of mkarchroot! (It would help me in
>>>> deployment of virtual servers.)
>>>>   Ciprian.
>>> Why do you want to build the kernel ? Arch already provides it ! All
>>> packages are provided in both i686 and x86_64
>>> http://allanmcrae.com/2009/06/using-an-x86_64-kernel-on-an-i686-userland/
>>    Good question. Well the reasons could be multiple:
>>    * first of all the real reason is that I want to compile an x86_64
>> kernel for one of my servers that I want to use as VServer hosting
>> target; but my laptop has ArchLinux i386, and I don't want to either
>> install x86_64 ArchLinux on my laptop, or on the server itself just to
>> be able to compile the kernel;
>>    * second cross-compiling is one of the basic operations one should
>> be able to do in an development environment;
>>    * third I believe that the real power of OSS / FOS (and therefore
>> also Linux based distributions), is that it allows you the flexibility
>> to customize things to match your liking; furthermore I've switched
>> from Debian (which also provided everything I needed and even more),
>> to ArchLinux (which provides almost everything I need), because I've
>> seen ArchLinux as a more suitable target for experimenting with Linux;
>> (I hope I'm not wrong!)
>>    By the way: I'me preparing three custom packages:
>> cross-x86_64-gcc-base, cross-x86_64-binutils, and cross-x86_64-glibc.
>> Anyone interested in them? Any ideeas if someone has already done
>> this?
> FYI, I thought packages that dod that were already in the AUR.
> Allan

    I haven't found one... I've already searched the AUR for "gcc" and
the only entries that resemble what I need are:
    * http://aur.archlinux.org/packages.php?ID=28545 (gcc-multilib);
    * http://aur.archlinux.org/packages.php?ID=31547 (cross32-gcc);
    But both of them are for crosscompiling an i686 from a x86_64,
while I need the reverse.

    Could you please give me the exact URL from those packages?


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