Patch to compile grub2 with Apple compiler

[Yves Blusseau]

Hi,

this is a patch to allow compilation of grub2 with Apple Compiler



apple__bzero-declaration.patch
Description: Binary data


Regards,
Yves Blusseau

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Re: Patch to compile grub2 with Apple compiler

[SevenBits]

On Monday, April 7, 2014, Yves Blusseau  wrote:

> Hi,
>
> this is a patch to allow compilation of grub2 with Apple Compiler


Haven't looked at it yet, but if it works, I'd be major. Currently I have
to build GRUB on Linux when my current development machine is a Mac. This
will be a big development, at least for me.
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Re: [PATCH] Clarify "Press any key to continue..." message

[Colin Watson]

On Thu, Apr 03, 2014 at 09:15:45PM +0400, Andrey Borzenkov wrote:
> В Thu, 3 Apr 2014 17:52:57 +0100
> Colin Watson  пишет:
> > Seems like a lot of effort.  The actual delay is 2.5 seconds
> 
> May be I misunderstand it, but how 1ms becomes 2.5 seconds?

Sorry, I was looking at DEFAULT_ENTRY_ERROR_DELAY_MS at the top of that
file and didn't notice that grub_wait_after_message actually uses a
different delay.  (A countdown here still seems to me like code we don't
need, though.)

-- 
Colin Watson   [cjwat...@ubuntu.com]

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Re: Patch to compile grub2 with Apple compiler

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 07.04.2014 13:21, Yves Blusseau wrote:
> Hi,
> 
> this is a patch to allow compilation of grub2 with Apple Compiler
> 
> 
Why do you need this patch? __bzero shouldn't need any special tratement
in GRUB_UTIL case.
> 
> 
> 
> Regards,
> Yves Blusseau
> 
> 
> 
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Re: Patch to compile grub2 with Apple compiler

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 07.04.2014 17:04, SevenBits wrote:
> On Monday, April 7, 2014, Yves Blusseau  > wrote:
> 
> Hi,
> 
> this is a patch to allow compilation of grub2 with Apple Compiler
> 
> 
> Haven't looked at it yet, but if it works, I'd be major.
GRUB was compileable under Apple compiler since quite a long time. But
nobody cared about it and nobody reported problems so it broke again. If
you care about Apple, then report problems, prefereably with patch
> Currently I
> have to build GRUB on Linux when my current development machine is a
> Mac. This will be a big development, at least for me.
> 
> 
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Re: Patch to compile grub2 with Apple compiler

[SevenBits]

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Hash: SHA1

On 04/07/2014 03:52 PM, Vladimir '?-coder/phcoder' Serbinenko wrote:
> On 07.04.2014 17:04, SevenBits wrote:
>> On Monday, April 7, 2014, Yves Blusseau > > wrote:
>> 
>> Hi,
>> 
>> this is a patch to allow compilation of grub2 with Apple
>> Compiler
>> 
>> 
>> Haven't looked at it yet, but if it works, I'd be major.
> GRUB was compilable under Apple compiler since quite a long time.
> But nobody cared about it and nobody reported problems so it broke
> again. If you care about Apple, then report problems, preferably
> with patch

Well... the issue is that Apple's compiler cannot build executables in
anything except OS X's native Mach-O format. This obviously rules out
one of GRUB's supported platforms (EFI) which requires PE binaries,
unless we're going to ship (or require as a build dependency) a tool
that can convert between the various object formats.

I'm not very knowledgeable about GRUB for non-EFI platforms, as EFI is
my main focus for when I use GRUB. But Apple's compiler is finicky in
general so I expect there might be some issues in building e.g
GRUB-PC. That's AFAIK, though. Perhaps someone with more knowledge
about GRUB's internals in this area than I can elaborate further.

But I'd expect any Apple solution to suffer from neglect. GRUB isn't
used much on Apple hardware, and when it is, it is used to boot Linux
and is compiled on that platform. And even when GRUB *is* built on OS
X, it is typically done so with a cross compiler. Using Apple's
toolchain just isn't a big need unfortunately.

>> Currently I have to build GRUB on Linux when my current
>> development machine is a Mac. This will be a big development, at
>> least for me.
>> 
>> 
>> ___ Grub-devel
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>> 
> 
> 
> 
> 
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Re: Patch to compile grub2 with Apple compiler

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 07.04.2014 22:34, SevenBits wrote:
> On 04/07/2014 03:52 PM, Vladimir '?-coder/phcoder' Serbinenko wrote:
>> On 07.04.2014 17:04, SevenBits wrote:
>>> On Monday, April 7, 2014, Yves Blusseau >> > wrote:
>>>
>>> Hi,
>>>
>>> this is a patch to allow compilation of grub2 with Apple
>>> Compiler
>>>
>>>
>>> Haven't looked at it yet, but if it works, I'd be major.
>> GRUB was compilable under Apple compiler since quite a long time.
>> But nobody cared about it and nobody reported problems so it broke
>> again. If you care about Apple, then report problems, preferably
>> with patch
> 
> Well... the issue is that Apple's compiler cannot build executables in
> anything except OS X's native Mach-O format. This obviously rules out
> one of GRUB's supported platforms (EFI) which requires PE binaries,
> unless we're going to ship (or require as a build dependency) a tool
> that can convert between the various object formats.
> 
We use objconv.
> I'm not very knowledgeable about GRUB for non-EFI platforms, as EFI is
> my main focus for when I use GRUB. But Apple's compiler is finicky in
> general
This is not a GRUB problem



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Re: XP, 8.1 and UEFI with grub2?

[SevenBits]

On Monday, April 7, 2014,  wrote:

> Grub Gurus
>
> Perhaps this is good timing for this
> question.  I hope I am asking it in the right place.  I have been
> using Ubuntu and XP multiboot for quite some time and using Ubuntu
> more and XP less.  With support for XP expiring April 8 I would like
> to stop using it while connected to the internet.  My goal is to
> multiboot XP, Ubuntu and 8.1 on the same 64 bit new machine.
>
>
>
> My question is if XP requires legacy
> BIOS and it is available (?) but 8.1 requires UEFI (?) does this
> prevent grub2 from accessing the three OSs from a single menu.  Can
> Grub2 switch between legacy BIOS and UEFI or does this require a
> process like changing BIOS settings?


This is determined by your firmware, and not by GRUB. In general, no, this
isn't possible. On some firmware, you can switch between BIOS and UEFI, but
this is done by a setting in the options menu and requires a reboot
typically.

Also, UEFI is required on all *new* PCs running Win 8. It is not a general
requirement.


> The (?)s above mean I do not
> know if those assumptions are correct.  I suspect Ubuntu is
> compatible with both and the only problem is between XP and 8.1.


Most hardware that can run XP probably can't run Windows 8.1 AFAIK.


> I
> have collected multiboot info from MS on XP and 7 but if I need to
> purchase new hardware why install a new OS that is already obsolete.
>
> Any pointers to how the UEFI/legacy
> works,  hardware compatibility requirements for this to be possible,
> or related issues would be much appreciated.
>
> Thanks in advance,  I always enjoy
> reading the messages in this list.
>
> Randy
>
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