From 87acb2b9fdb990ccb9f94a061b9bc21e4d31e0e1 Mon Sep 17 00:00:00 2001 From: Vladimír Čunát Date: Wed, 20 Dec 2017 14:57:48 +0100 Subject: glibc: support RHEL 6 -like kernels again We lost the support with 2.25 -> 2.26 --- .../libraries/glibc/allow-kernel-2.6.32.patch | 39 ++++++++++++++++++++++ pkgs/development/libraries/glibc/common.nix | 19 +++++++++++ 2 files changed, 58 insertions(+) create mode 100644 pkgs/development/libraries/glibc/allow-kernel-2.6.32.patch (limited to 'pkgs/development/libraries/glibc') diff --git a/pkgs/development/libraries/glibc/allow-kernel-2.6.32.patch b/pkgs/development/libraries/glibc/allow-kernel-2.6.32.patch new file mode 100644 index 00000000000..ce18b874c42 --- /dev/null +++ b/pkgs/development/libraries/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 +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 + #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"); \ + } \ diff --git a/pkgs/development/libraries/glibc/common.nix b/pkgs/development/libraries/glibc/common.nix index dde1977a2ba..5af914d179b 100644 --- a/pkgs/development/libraries/glibc/common.nix +++ b/pkgs/development/libraries/glibc/common.nix @@ -65,6 +65,25 @@ stdenv.mkDerivation ({ "/bin:/usr/bin", which is inappropriate on NixOS machines. This patch extends the search path by "/run/current-system/sw/bin". */ ./fix_path_attribute_in_getconf.patch + + /* Allow running with RHEL 6 -like kernels. The patch adds an exception + for glibc to accept 2.6.32 and to tag the ELFs as 2.6.32-compatible + (otherwise the loader would refuse libc). + Note that glibc will fully work only on their heavily patched kernels + and we lose early mismatch detection on 2.6.32. + + On major glibc updates we should check that the patched kernel supports + all the required features. ATM it's verified up to glibc-2.26-115. + # HOWTO: check glibc sources for changes in kernel requirements + git log -p glibc-2.25.. sysdeps/unix/sysv/linux/x86_64/kernel-features.h sysdeps/unix/sysv/linux/kernel-features.h + # get kernel sources (update the URL) + mkdir tmp && cd tmp + curl http://vault.centos.org/6.9/os/Source/SPackages/kernel-2.6.32-696.el6.src.rpm | rpm2cpio - | cpio -idmv + tar xf linux-*.bz2 + # check syscall presence, for example + less linux-*?/arch/x86/kernel/syscall_table_32.S + */ + ./allow-kernel-2.6.32.patch ] ++ lib.optional stdenv.isx86_64 ./fix-x64-abi.patch; -- cgit 1.4.1