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Re: PowerPC glibc patches

From: Bryan Hundven <bryanhundven at gmail dot com>
To: "Fernandes, Joao Moreira (EXT-Other PT/Amadora)" <Joao dot M dot Fernandes dot ext at coriant dot com>
Cc: "Yann E. MORIN" <yann dot morin dot 1998 at free dot fr>, "crossgcc at sourceware dot org" <crossgcc at sourceware dot org>
Date: Thu, 4 Dec 2014 15:55:58 -0800
Subject: Re: PowerPC glibc patches
Authentication-results: sourceware.org; auth=none
References: <B5B41824BF2F464EB4CDE85EC44BDD4F05485132 at AMSPRD0410MB362 dot eurprd04 dot prod dot outlook dot com> <20131115200716 dot GD3337 at free dot fr> <4aa29d48b1aa4a8b939b0ab2820b7228 at DB3PR04MB218 dot eurprd04 dot prod dot outlook dot com>
Joao,

As per: https://sourceware.org/ml/crossgcc/2014-12/msg00007.html

I cc'd you to this announcement, but your email address bounced.
I'm nicely setting the state to "rejected" and archiving the patch in
patchwork: https://patchwork.ozlabs.org/patch/305898/

Anyone is welcome to sponsor, update, and resend the patch. Please do
reference the original patch in patchwork if you do.

Cheers,

-Bryan

On Tue, Dec 31, 2013 at 8:20 AM, Fernandes, Joao Moreira (EXT-Other
PT/Amadora) <Joao.M.Fernandes.ext@coriant.com> wrote:
> Yann,
>
> Unfortunately I have to use Outlook (company policy...) and I'm
> terrible with it, so sorry about the mess. I'm also unable to use
> patchbomb in this setup, so I'm inlining the patch bellow.
>
> Cheers,
> João
>
>
> exporting patch:
> # HG changeset patch
> # User João Fernandes <joao.m.fernandes.ext@coriant.com>
> # Date 1388504699 0
> #      Tue Dec 31 15:44:59 2013 +0000
> # Node ID 655dd93187f312684df5172bbb82aa1c09db7417
> # Parent  87ad9e82546df3ce0127d1046ec644b4486aa626
> libc/glibc: various powerpc glibc fixes
>
> While trying to build a toolchain for a PowerPC system with gcc 4.8.1,
> binutils 2.22 and glibc 2.8, I faced some difficulties. Firstly, patch
> glibc/2.9/600-recent-binutils.patch also had to be applied to glibc 2.8;
> secondly, gcc 4.8 dropped -mnew-mnemonics/-mold-mnemonics options, so I had to
> remove -mnew-mnemonics from sysdeps/powerpc/Makefile of all glibc
> versions < 2.17 (this is safe as -mnew-mnemonics is gcc's default since the
> early 90's); lastly, the patch from
> https://sourceware.org/ml/crossgcc/2008-10/msg00010.html had to be applied.
> This patch addresses all mentioned issues.
>
> Signed-off-by: João Fernandes <joao.m.fernandes.ext@coriant.com>
>
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.10.1/100-powerpc-no_new_mnemonics.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.10.1/100-powerpc-no_new_mnemonics.patch   Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,10 @@
> +--- glibc-2.8-ori/sysdeps/powerpc/Makefile     2013-10-14 10:06:43.466677702 +0100
> ++++ glibc-2.8/sysdeps/powerpc/Makefile 2013-10-14 10:12:20.932351104 +0100
> +@@ -1,7 +1,3 @@
> +-# We always want to use the new mnemonic syntax even if we are on a RS6000
> +-# machine.
> +-+cflags += -mnew-mnemonics
> +-
> + ifeq ($(subdir),gmon)
> + sysdep_routines += ppc-mcount
> + endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.11.1/100-powerpc-no_new_mnemonics.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.11.1/100-powerpc-no_new_mnemonics.patch   Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,10 @@
> +--- glibc-2.8-ori/sysdeps/powerpc/Makefile     2013-10-14 10:06:43.466677702 +0100
> ++++ glibc-2.8/sysdeps/powerpc/Makefile 2013-10-14 10:12:20.932351104 +0100
> +@@ -1,7 +1,3 @@
> +-# We always want to use the new mnemonic syntax even if we are on a RS6000
> +-# machine.
> +-+cflags += -mnew-mnemonics
> +-
> + ifeq ($(subdir),gmon)
> + sysdep_routines += ppc-mcount
> + endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.11/100-powerpc-no_new_mnemonics.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.11/100-powerpc-no_new_mnemonics.patch     Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,10 @@
> +--- glibc-2.8-ori/sysdeps/powerpc/Makefile     2013-10-14 10:06:43.466677702 +0100
> ++++ glibc-2.8/sysdeps/powerpc/Makefile 2013-10-14 10:12:20.932351104 +0100
> +@@ -1,7 +1,3 @@
> +-# We always want to use the new mnemonic syntax even if we are on a RS6000
> +-# machine.
> +-+cflags += -mnew-mnemonics
> +-
> + ifeq ($(subdir),gmon)
> + sysdep_routines += ppc-mcount
> + endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.12.1/100-powerpc-no_new_mnemonics.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.12.1/100-powerpc-no_new_mnemonics.patch   Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,10 @@
> +--- glibc-2.8-ori/sysdeps/powerpc/Makefile     2013-10-14 10:06:43.466677702 +0100
> ++++ glibc-2.8/sysdeps/powerpc/Makefile 2013-10-14 10:12:20.932351104 +0100
> +@@ -1,7 +1,3 @@
> +-# We always want to use the new mnemonic syntax even if we are on a RS6000
> +-# machine.
> +-+cflags += -mnew-mnemonics
> +-
> + ifeq ($(subdir),gmon)
> + sysdep_routines += ppc-mcount
> + endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.12.2/100-powerpc-no_new_mnemonics.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.12.2/100-powerpc-no_new_mnemonics.patch   Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,10 @@
> +--- glibc-2.8-ori/sysdeps/powerpc/Makefile     2013-10-14 10:06:43.466677702 +0100
> ++++ glibc-2.8/sysdeps/powerpc/Makefile 2013-10-14 10:12:20.932351104 +0100
> +@@ -1,7 +1,3 @@
> +-# We always want to use the new mnemonic syntax even if we are on a RS6000
> +-# machine.
> +-+cflags += -mnew-mnemonics
> +-
> + ifeq ($(subdir),gmon)
> + sysdep_routines += ppc-mcount
> + endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.13/100-powerpc-no_new_mnemonics.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.13/100-powerpc-no_new_mnemonics.patch     Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,10 @@
> +--- glibc-2.8-ori/sysdeps/powerpc/Makefile     2013-10-14 10:06:43.466677702 +0100
> ++++ glibc-2.8/sysdeps/powerpc/Makefile 2013-10-14 10:12:20.932351104 +0100
> +@@ -1,7 +1,3 @@
> +-# We always want to use the new mnemonic syntax even if we are on a RS6000
> +-# machine.
> +-+cflags += -mnew-mnemonics
> +-
> + ifeq ($(subdir),gmon)
> + sysdep_routines += ppc-mcount
> + endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.14.1/100-powerpc-no_new_mnemonics.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.14.1/100-powerpc-no_new_mnemonics.patch   Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,10 @@
> +--- glibc-2.8-ori/sysdeps/powerpc/Makefile     2013-10-14 10:06:43.466677702 +0100
> ++++ glibc-2.8/sysdeps/powerpc/Makefile 2013-10-14 10:12:20.932351104 +0100
> +@@ -1,7 +1,3 @@
> +-# We always want to use the new mnemonic syntax even if we are on a RS6000
> +-# machine.
> +-+cflags += -mnew-mnemonics
> +-
> + ifeq ($(subdir),gmon)
> + sysdep_routines += ppc-mcount
> + endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.14/100-powerpc-no_new_mnemonics.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.14/100-powerpc-no_new_mnemonics.patch     Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,10 @@
> +--- glibc-2.8-ori/sysdeps/powerpc/Makefile     2013-10-14 10:06:43.466677702 +0100
> ++++ glibc-2.8/sysdeps/powerpc/Makefile 2013-10-14 10:12:20.932351104 +0100
> +@@ -1,7 +1,3 @@
> +-# We always want to use the new mnemonic syntax even if we are on a RS6000
> +-# machine.
> +-+cflags += -mnew-mnemonics
> +-
> + ifeq ($(subdir),gmon)
> + sysdep_routines += ppc-mcount
> + endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.15/100-powerpc-no_new_mnemonics.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.15/100-powerpc-no_new_mnemonics.patch     Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,10 @@
> +--- glibc-2.8-ori/sysdeps/powerpc/Makefile     2013-10-14 10:06:43.466677702 +0100
> ++++ glibc-2.8/sysdeps/powerpc/Makefile 2013-10-14 10:12:20.932351104 +0100
> +@@ -1,7 +1,3 @@
> +-# We always want to use the new mnemonic syntax even if we are on a RS6000
> +-# machine.
> +-+cflags += -mnew-mnemonics
> +-
> + ifeq ($(subdir),gmon)
> + sysdep_routines += ppc-mcount
> + endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.16.0/100-powerpc-no_new_mnemonics.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.16.0/100-powerpc-no_new_mnemonics.patch   Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,10 @@
> +--- glibc-2.8-ori/sysdeps/powerpc/Makefile     2013-10-14 10:06:43.466677702 +0100
> ++++ glibc-2.8/sysdeps/powerpc/Makefile 2013-10-14 10:12:20.932351104 +0100
> +@@ -1,7 +1,3 @@
> +-# We always want to use the new mnemonic syntax even if we are on a RS6000
> +-# machine.
> +-+cflags += -mnew-mnemonics
> +-
> + ifeq ($(subdir),gmon)
> + sysdep_routines += ppc-mcount
> + endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.8/100-powerpc-no_new_mnemonics.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.8/100-powerpc-no_new_mnemonics.patch      Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,10 @@
> +--- glibc-2.8-ori/sysdeps/powerpc/Makefile     2013-10-14 10:06:43.466677702 +0100
> ++++ glibc-2.8/sysdeps/powerpc/Makefile 2013-10-14 10:12:20.932351104 +0100
> +@@ -1,7 +1,3 @@
> +-# We always want to use the new mnemonic syntax even if we are on a RS6000
> +-# machine.
> +-+cflags += -mnew-mnemonics
> +-
> + ifeq ($(subdir),gmon)
> + sysdep_routines += ppc-mcount
> + endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.8/110-powerpc-nptl_guard_sym.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.8/110-powerpc-nptl_guard_sym.patch        Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,9 @@
> +--- glibc-2.8-ori/nptl/sysdeps/powerpc/tcb-offsets.sym 2013-10-14 10:06:43.566678198 +0100
> ++++ glibc-2.8/nptl/sysdeps/powerpc/tcb-offsets.sym     2013-10-14 10:37:58.331974657 +0100
> +@@ -15,4 +15,6 @@
> + PID                           thread_offsetof (pid)
> + TID                           thread_offsetof (tid)
> + POINTER_GUARD                 (offsetof (tcbhead_t, pointer_guard) - TLS_TCB_OFFSET - sizeof (tcbhead_t))
> ++#ifndef __ASSUME_PRIVATE_FUTEX
> + PRIVATE_FUTEX_OFFSET          thread_offsetof (header.private_futex)
> ++#endif
> diff -r 87ad9e82546d -r 655dd93187f3 glibc/2.8/600-recent-binutils.patch
> --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
> +++ b/glibc/2.8/600-recent-binutils.patch       Tue Dec 31 15:44:59 2013 +0000
> @@ -0,0 +1,37 @@
> +diff -durN glibc-2.9.orig/configure glibc-2.9/configure
> +--- glibc-2.9.orig/configure   2010-05-18 23:47:23.000000000 +0200
> ++++ glibc-2.9/configure        2010-05-18 23:50:04.000000000 +0200
> +@@ -4534,7 +4534,7 @@
> +   ac_prog_version=`$AS --version 2>&1 | sed -n 's/^.*GNU assembler.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
> +   case $ac_prog_version in
> +     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
> +-    2.1[3-9]*)
> ++    2.1[3-9]*|2.1[0-9][0-9]*|2.[2-9][0-9]*|[3-9].*|[1-9][0-9]*)
> +        ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
> +     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
> +
> +@@ -4597,7 +4597,7 @@
> +   ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*GNU ld.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'`
> +   case $ac_prog_version in
> +     '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
> +-    2.1[3-9]*)
> ++    2.1[3-9]*|2.1[0-9][0-9]*|2.[2-9][0-9]*|[3-9].*|[1-9][0-9]*)
> +        ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
> +     *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
> +
> +diff -durN glibc-2.9.orig/configure.in glibc-2.9/configure.in
> +--- glibc-2.9.orig/configure.in        2010-05-18 23:47:23.000000000 +0200
> ++++ glibc-2.9/configure.in     2010-05-18 23:51:25.000000000 +0200
> +@@ -844,10 +844,10 @@
> + # Accept binutils 2.13 or newer.
> + AC_CHECK_PROG_VER(AS, $AS, --version,
> +                 [GNU assembler.* \([0-9]*\.[0-9.]*\)],
> +-                [2.1[3-9]*], AS=: critic_missing="$critic_missing as")
> ++                [2.1[3-9]*|2.1[0-9][0-9]*|2.[2-9][0-9]*|[3-9].*|[1-9][0-9]*], AS=: critic_missing="$critic_missing as")
> + AC_CHECK_PROG_VER(LD, $LD, --version,
> +                 [GNU ld.* \([0-9][0-9]*\.[0-9.]*\)],
> +-                [2.1[3-9]*], LD=: critic_missing="$critic_missing ld")
> ++                [2.1[3-9]*|2.1[0-9][0-9]*|2.[2-9][0-9]*|[3-9].*|[1-9][0-9]*], LD=: critic_missing="$critic_missing ld")
> +
> + # We need the physical current working directory.  We cannot use the
> + # "pwd -P" shell builtin since that's not portable.  Instead we try to
>
>
> -----Original Message-----
> From: Yann E. MORIN [mailto:yann.morin.1998@gmail.com] On Behalf Of Yann E. MORIN
> Sent: Friday, November 15, 2013 8:07 PM
> To: Fernandes, Joao Moreira (EXT-Other PT/Amadora)
> Cc: crossgcc@sourceware.org
> Subject: Re: PowerPC glibc patches
>
> João, All,
>
> [Please, wrap your messages at ~75 cahrs, it is easier to read]
>
> On 2013-10-14 12:46 +0000, Fernandes, Joao Moreira (EXT-Other PT/Amadora) spake thusly:
>> While trying to build a toolchain for a PowerPC system with gcc 4.8.1,
>> binutils 2.22 and glibc 2.8, I faced some difficulties. Firstly, patch
>> glibc/2.9/600-recent-binutils.patch also had to be applied to glibc 2.8;
>> secondly, gcc 4.8 dropped -mnew-mnemonics/-mold-mnemonics options, so I
>> had to remove -mnew-mnemonics from sysdeps/powerpc/Makefile - this is
>> safe as -mnew-mnemonics is gcc's default since the early 90's - and this
>> applies to glibc versions < 2.17; lastly, the patch from
>> https://sourceware.org/ml/crossgcc/2008-10/msg00010.html had to be applied.
>> A set of patches addressing all these issues is attached.
>
> Your patches are unusable because they are attached as base64-encoded
> parts, which makes them unusable.
>
> Please, have a look at:
>     docs/7 - Contributing to crosstool-NG.txt
>     docs/C - Misc. tutorials.txt
>
> for example on how to ciontribute changes to crosstool-NG.
>
> Regards,
> Yann E. MORIN.
>
> --
> .-----------------.--------------------.------------------.--------------------.
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