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bug#30537: glibc 2.26 refuses to run on CentOS 6.8


From: Ricardo Wurmus
Subject: bug#30537: glibc 2.26 refuses to run on CentOS 6.8
Date: Mon, 19 Feb 2018 20:41:07 +0100
User-agent: mu4e 1.0; emacs 25.3.1

Ricardo Wurmus <address@hidden> writes:

> Ricardo Wurmus <address@hidden> writes:
>
>> Ricardo Wurmus <address@hidden> writes:
>>
>>> The NixOS developers patch glibc to make sure that all software still
>>> runs on Linux 2.6.32:
>>>
>>>     
>>> https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/development/libraries/glibc/allow-kernel-2.6.32.patch
>>>
>>> Can we please also apply this?
>>
>> We could also apply this conditionally to x86_64 only, because that’s
>> probably the only architecture that’s used for HPC systems running
>> CentOS.
>
> Here’s a patch to graft the glibc to apply the patch to allow the 2.6.32
> kernel.  I’m going to apply this at work now.

That patch had a couple of problems.  Here’s a new version.

The main differences are:

* fix an undefined variable (“base” –> “glibc”)
* use package/inherit for glibc-final and
  glibc-final-with-bootstrap-bash; don’t override the “replacement”
  field with “#f”

-- 
Ricardo

>From 3cf46dce4129cb52574de52b4221f6c4dde566fe Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <address@hidden>
Date: Mon, 19 Feb 2018 20:04:06 +0100
Subject: [PATCH] WIP graft glibc to allow execution on Linux 2.6.32.

* gnu/packages/patches/glibc-allow-kernel-2.6.32.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/base.scm (glibc/linux)[replacement]: New field.
(glibc-2.26-patched): New variable.
(glibc-2.25, glibc-2.24, glibc-2.23, glibc-2.22): Disable replacement.
* gnu/packages/commencement.scm (glibc-final-with-bootstrap-bash,
glibc-final): Use package/inherit to enable grafted glibc.
---
 gnu/local.mk                                       |  3 +-
 gnu/packages/base.scm                              | 15 +++++++++
 gnu/packages/commencement.scm                      |  5 +--
 .../patches/glibc-allow-kernel-2.6.32.patch        | 39 ++++++++++++++++++++++
 4 files changed, 59 insertions(+), 3 deletions(-)
 create mode 100644 gnu/packages/patches/glibc-allow-kernel-2.6.32.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index f1834e368..c7bd4c6a9 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -7,7 +7,7 @@
 # Copyright © 2016, 2017 Kei Kebreau <address@hidden>
 # Copyright © 2016, 2017 Rene Saavedra <address@hidden>
 # Copyright © 2016 Adonay "adfeno" Felipe Nogueira 
<https://libreplanet.org/wiki/User:Adfeno> <address@hidden>
-# Copyright © 2016, 2017 Ricardo Wurmus <address@hidden>
+# Copyright © 2016, 2017, 2018 Ricardo Wurmus <address@hidden>
 # Copyright © 2016 Ben Woodcroft <address@hidden>
 # Copyright © 2016, 2017, 2018 Alex Vong <address@hidden>
 # Copyright © 2016, 2017 Efraim Flashner <address@hidden>
@@ -705,6 +705,7 @@ dist_patch_DATA =                                           
\
   %D%/packages/patches/glibc-CVE-2017-1000366-pt1.patch                \
   %D%/packages/patches/glibc-CVE-2017-1000366-pt2.patch                \
   %D%/packages/patches/glibc-CVE-2017-1000366-pt3.patch                \
+  %D%/packages/patches/glibc-allow-kernel-2.6.32.patch         \
   %D%/packages/patches/glibc-bootstrap-system.patch            \
   %D%/packages/patches/glibc-ldd-x86_64.patch                  \
   %D%/packages/patches/glibc-locales.patch                     \
diff --git a/gnu/packages/base.scm b/gnu/packages/base.scm
index b2c1d232f..111bbbcec 100644
--- a/gnu/packages/base.scm
+++ b/gnu/packages/base.scm
@@ -12,6 +12,7 @@
 ;;; Copyright © 2017 Mathieu Othacehe <address@hidden>
 ;;; Copyright © 2017 Marius Bakke <address@hidden>
 ;;; Copyright © 2017 Eric Bavier <address@hidden>
+;;; Copyright © 2018 Ricardo Wurmus <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -537,6 +538,7 @@ store.")
    ;; Note: Always use a dot after the minor version since various places rely
    ;; on "version-major+minor" to determine where locales are found.
    (version "2.26.105-g0890d5379c")
+   (replacement glibc-2.26-patched)
    (source (origin
             (method url-fetch)
             (uri (string-append "https://alpha.gnu.org/gnu/guix/mirror/";
@@ -839,10 +841,20 @@ GLIBC/HURD for a Hurd host"
 ;; Below are old libc versions, which we use mostly to build locale data in
 ;; the old format (which the new libc cannot cope with.)
 
+(define glibc-2.26-patched
+  (package
+    (inherit glibc)
+    (replacement #f)
+    (source (origin
+              (inherit (package-source glibc))
+              (patches (cons (search-patch "glibc-allow-kernel-2.6.32.patch")
+                             (origin-patches (package-source glibc))))))))
+
 (define-public glibc-2.25
   (package
     (inherit glibc)
     (version "2.25")
+    (replacement #f)
     (source (origin
               (inherit (package-source glibc))
               (uri (string-append "mirror://gnu/glibc/glibc-"
@@ -862,6 +874,7 @@ GLIBC/HURD for a Hurd host"
   (package
     (inherit glibc)
     (version "2.24")
+    (replacement #f)
     (source (origin
               (inherit (package-source glibc))
               (uri (string-append "mirror://gnu/glibc/glibc-"
@@ -882,6 +895,7 @@ GLIBC/HURD for a Hurd host"
   (package
     (inherit glibc)
     (version "2.23")
+    (replacement #f)
     (source (origin
               (inherit (package-source glibc))
               (uri (string-append "mirror://gnu/glibc/glibc-"
@@ -905,6 +919,7 @@ GLIBC/HURD for a Hurd host"
   (package
     (inherit glibc)
     (version "2.22")
+    (replacement #f)
     (source (origin
               (inherit (package-source glibc))
               (uri (string-append "mirror://gnu/glibc/glibc-"
diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index 7286e954c..db43691fd 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -4,6 +4,7 @@
 ;;; Copyright © 2012 Nikita Karetnikov <address@hidden>
 ;;; Copyright © 2014, 2015, 2017 Mark H Weaver <address@hidden>
 ;;; Copyright © 2017, 2018 Efraim Flashner <address@hidden>
+;;; Copyright © 2018 Ricardo Wurmus <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -486,7 +487,7 @@ the bootstrap environment."
   ;; built just below; the only difference is that this one uses the
   ;; bootstrap Bash.
   (package-with-bootstrap-guile
-   (package (inherit glibc)
+   (package/inherit glibc
      (name "glibc-intermediate")
      (arguments
       `(#:guile ,%bootstrap-guile
@@ -664,7 +665,7 @@ exec ~a/bin/~a-~a -B~a/lib -Wl,-dynamic-linker -Wl,~a/~a 
\"address@hidden"~%"
 
 (define glibc-final
   ;; The final glibc, which embeds the statically-linked Bash built above.
-  (package (inherit glibc-final-with-bootstrap-bash)
+  (package/inherit glibc-final-with-bootstrap-bash
     (name "glibc")
     (inputs `(("static-bash" ,static-bash-for-glibc)
               ,@(alist-delete
diff --git a/gnu/packages/patches/glibc-allow-kernel-2.6.32.patch 
b/gnu/packages/patches/glibc-allow-kernel-2.6.32.patch
new file mode 100644
index 000000000..ce18b874c
--- /dev/null
+++ b/gnu/packages/patches/glibc-allow-kernel-2.6.32.patch
@@ -0,0 +1,39 @@
+diff --git a/sysdeps/unix/sysv/linux/configure 
b/sysdeps/unix/sysv/linux/configure
+index cace758c01..38fe7fe0b0 100644
+--- a/sysdeps/unix/sysv/linux/configure
++++ b/sysdeps/unix/sysv/linux/configure
+@@ -69,7 +69,7 @@ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for kernel header at least 
$minimum_kernel" >&5
+ $as_echo_n "checking for kernel header at least $minimum_kernel... " >&6; }
+ decnum=`echo "$minimum_kernel.0.0.0" | sed 
's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
+-abinum=`echo "$minimum_kernel.0.0.0" | sed 
's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
++abinum=`echo "2.6.32.0.0.0" | sed 
's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ #include <linux/version.h>
+diff --git a/sysdeps/unix/sysv/linux/configure.ac 
b/sysdeps/unix/sysv/linux/configure.ac
+index 13abda0a51..6abc12eaed 100644
+--- a/sysdeps/unix/sysv/linux/configure.ac
++++ b/sysdeps/unix/sysv/linux/configure.ac
+@@ -50,7 +50,7 @@ fi
+ AC_MSG_CHECKING(for kernel header at least $minimum_kernel)
+ changequote(,)dnl
+ decnum=`echo "$minimum_kernel.0.0.0" | sed 
's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
+-abinum=`echo "$minimum_kernel.0.0.0" | sed 
's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
++abinum=`echo "2.6.32.0.0.0" | sed 
's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
+ changequote([,])dnl
+ AC_TRY_COMPILE([#include <linux/version.h>
+ #if LINUX_VERSION_CODE < $decnum
+diff --git a/sysdeps/unix/sysv/linux/dl-osinfo.h 
b/sysdeps/unix/sysv/linux/dl-osinfo.h
+index 823cd8224d..482caaeeec 100644
+--- a/sysdeps/unix/sysv/linux/dl-osinfo.h
++++ b/sysdeps/unix/sysv/linux/dl-osinfo.h
+@@ -39,7 +39,7 @@
+         GLRO(dl_osversion) = version;                                       \
+                                                                             \
+       /* Now we can test with the required version.  */                     \
+-      if (__LINUX_KERNEL_VERSION > 0 && version < __LINUX_KERNEL_VERSION)   \
++      if (__LINUX_KERNEL_VERSION > 0 && version < __LINUX_KERNEL_VERSION && 
version != 0x020620)   \
+         /* Not sufficent.  */                                               \
+         FATAL ("FATAL: kernel too old\n");                                  \
+       }                                                                       
      \
-- 
2.16.2


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