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From: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
To: Helmut Grohne <helmut@subdivi.de>
Cc: "debian-arm@lists.debian.org" <debian-arm@lists.debian.org>,
	arcml <linux-snps-arc@lists.infradead.org>,
	GNU C Library <libc-alpha@sourceware.org>,
	Vineet Gupta <vineetg76@gmail.com>
Subject: RE: ARC rebootstrap prereq (was Re: switching ARC to 64-bit time_t )
Date: Thu, 26 Mar 2020 11:51:44 +0000
Message-ID: <CY4PR1201MB0120B23B823811B061CFCCFDA1CF0@CY4PR1201MB0120.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20200326055408.GA31088@alf.mars>

Hi Helmut,

> On Wed, Mar 25, 2020 at 05:25:58PM -0700, Vineet Gupta wrote:
> > ARC glibc is still in works, but assuming that will happen in near future what
> > other upstream prerequisites are needed. The obvious ones would be Linux kernel,
> > gcc, binutils: all 3 of which are supported for ARC. From a quick glance at debian
> > wiki pages, I presume *bootstrap is mostly done native, so needs qemu ? (full/user
> > emulation ? And does qemu need to be upstream too ?
> 
> Given that I ran into the glibc issue, I can tell that at least
> rudimentary arc support support is already available in Debian unstable
> for binutils, linux and gcc. (Otherwise, I would not have come as far as
> glibc.) Once glibc is in place, work can proceed on the Debian side.
> guile, libatomic-ops, libffi, libgpg-error and nspr ususally need a
> little upstream support. dpkg, gmp, openssl, and perl usually need
> Debian-specific changes. I'd recommend looking into libatomic-ops and
> libffi early. The other packages are usually simple.

I guess almost all of the packages you mentioned already have
needed improvements for ARC.

1. libffi has ARC support since v3.1, see:
   https://github.com/libffi/libffi/commit/b082e15091961373c03d10ed0251f619ebb6ed76

2. libgpg-error has ARC support since v1.33, see:
   http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgpg-error.git;a=commit;h=48c8f8ddfc80
   
3. nspr has ARC support since v4.1, see:
   https://hg.mozilla.org/projects/nspr/rev/cc73b6c7dab2e8053533e1f2c0c23dc721e10b76

And only for "libatomic-ops" & "guile" nothing has been done yet so if there's something
that really needs to be done please let us know.

-Alexey

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Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1578824547.git.alistair.francis@wdc.com>
     [not found] ` <4e95f95966d8d7c6a8339160dc62d81c1f6a1bfb.1578824547.git.alistair.francis@wdc.com>
2020-02-12  0:14   ` [RFC v6 07/23] RISC-V: Use 64-bit time_t and off_t for RV32 and RV64 Vineet Gupta
2020-02-12  0:14     ` Alistair Francis
2020-02-12  1:30       ` Joseph Myers
2020-02-14 22:39         ` Alistair Francis
2020-02-18 23:05           ` switching ARC to 64-bit time_t (Re: [RFC v6 07/23] RISC-V: Use 64-bit time_t and off_t for RV32 and RV64) Vineet Gupta
2020-02-18 23:13             ` Joseph Myers
2020-02-19 23:09               ` Lukasz Majewski
2020-02-19 23:11             ` Lukasz Majewski
2020-02-20  8:31               ` Arnd Bergmann
2020-02-20  9:37                 ` Lukasz Majewski
2020-02-20 12:37                   ` Arnd Bergmann
2020-02-20 13:14                     ` Lukasz Majewski
2020-02-20 14:44                       ` Arnd Bergmann
2020-02-20 15:42                         ` Lukasz Majewski
2020-02-20 16:08                           ` Arnd Bergmann
2020-02-20 16:31                             ` Lukasz Majewski
2020-02-24  2:48                         ` Viresh Kumar
2020-02-21 19:56                     ` Alistair Francis
2020-02-22  8:42                   ` Arnd Bergmann
2020-02-24  9:00                     ` Lukasz Majewski
2020-02-24  9:46                       ` Andreas Schwab
2020-02-24 10:14                         ` Lukasz Majewski
2020-02-24 10:23                           ` Andreas Schwab
2020-02-24 10:36                             ` Lukasz Majewski
2020-02-24 10:42                               ` Andreas Schwab
2020-02-24 11:13                                 ` Lukasz Majewski
2020-02-24 12:41                                   ` Lukasz Majewski
2020-02-25  0:03                               ` Joseph Myers
2020-02-25 11:39                                 ` Lukasz Majewski
2020-02-25 14:36                                   ` Joseph Myers
2020-02-26 13:18                                     ` Lukasz Majewski
2020-02-26 14:48                                       ` Joseph Myers
2020-02-26 16:28                                         ` Lukasz Majewski
2020-02-25  9:03                       ` Arnd Bergmann
2020-02-20 16:27                 ` Helmut Grohne
2020-03-26  0:25                   ` ARC rebootstrap prereq (was Re: switching ARC to 64-bit time_t ) Vineet Gupta
2020-03-26  5:54                     ` Helmut Grohne
2020-03-26 11:51                       ` Alexey Brodkin [this message]
2020-03-26 12:24                         ` Helmut Grohne
2020-03-26 12:53                           ` Alexey Brodkin
2020-03-26 14:28                             ` Helmut Grohne
2020-03-26 19:04                               ` Lennart Sorensen
2020-02-12  1:42       ` [RFC v6 07/23] RISC-V: Use 64-bit time_t and off_t for RV32 and RV64 Vineet Gupta
2020-02-12 12:58         ` Arnd Bergmann
2020-02-19  0:56   ` Vineet Gupta
2020-02-19  1:03     ` Alistair Francis
2020-02-19  1:31       ` Vineet Gupta
2020-02-19  8:30         ` Andreas Schwab
2020-02-19 18:42           ` Vineet Gupta
2020-02-19 23:18             ` Lukasz Majewski
2020-02-20  0:26               ` Vineet Gupta
2020-02-20  0:46                 ` Joseph Myers
2020-02-20  8:24                   ` Arnd Bergmann
2020-02-20 10:28                     ` Lukasz Majewski
2020-02-20 14:14                     ` Joseph Myers

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