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Merge #17538: build: Bump minimum libc to 2.17 for release binaries

Browse source 
8f15a31760 doc: add glibc 2.17 requirement to release-notes (fanquake)
16a7be1663 build: Bump minimum versions in symbol checker (Wladimir J. van der Laan)
b77d5ad59f build: Disallow dynamic linking against c++ library (Wladimir J. van der Laan)

Pull request description:

  Closes: #17525. Taken over from #17531.

  Debian 8 (Jessie) has:
  - g++ version 4.9.2
  - libc version 2.19

  CentOS 7 has:
  - g++ version 4.8.5
  - libc version 2.17

  Ubuntu 16.04.4 (Xenial, oldest supported Ubuntu) has:
  - g++ version 5.3.1
  - libc version 2.23.0

  Taking the minimum of these as our target. According to [GNU ABI document](https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html) this corresponds to:

  - GCC 4.8.5: GCC_4.8.0
  - (glibc)    GLIBC_2_17

  This also contains a (long needed) commit to disallow dynamic linking to stdc++, as our releases statically link against that.

ACKs for top commit:
  laanwj:
    re-ACK 8f15a31760

Tree-SHA512: a3cc92aa1c5de253b1531f4b854d6f5f4a15d614ba6290d9db293542a96994b55c4a8e33e03b601bae16eb65529630b4f94b48b010e0b66b7dc9ff0acf945107
This commit is contained in:
MarcoFalke 2019-11-24 18:40:27 -05:00
commit 7463181798
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2 changed files with 22 additions and 18 deletions
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36
contrib/devtools/symbol-check.py
View file

@ -4,8 +4,8 @@
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
'''
A script to check that the (Linux) executables produced by gitian only contain
allowed gcc, glibc and libstdc++ version symbols. This makes sure they are
still compatible with the minimum supported Linux distribution versions.
allowed gcc and glibc version symbols. This makes sure they are still compatible
with the minimum supported Linux distribution versions.
Example usage:
@ -16,30 +16,30 @@ import re
import sys
import os
# Debian 6.0.9 (Squeeze) has:
# Debian 8 (Jessie) EOL: 2020. https://wiki.debian.org/DebianReleases#Production_Releases
#
# - g++ version 4.4.5 (https://packages.debian.org/search?suite=default&section=all&arch=any&searchon=names&keywords=g%2B%2B)
# - libc version 2.11.3 (https://packages.debian.org/search?suite=default&section=all&arch=any&searchon=names&keywords=libc6)
# - libstdc++ version 4.4.5 (https://packages.debian.org/search?suite=default&section=all&arch=any&searchon=names&keywords=libstdc%2B%2B6)
# - g++ version 4.9.2 (https://packages.debian.org/search?suite=jessie&arch=any&searchon=names&keywords=g%2B%2B)
# - libc version 2.19 (https://packages.debian.org/search?suite=jessie&arch=any&searchon=names&keywords=libc6)
#
# Ubuntu 10.04.4 (Lucid Lynx) has:
# Ubuntu 16.04 (Xenial) EOL: 2024. https://wiki.ubuntu.com/Releases
#
# - g++ version 4.4.3 (http://packages.ubuntu.com/search?keywords=g%2B%2B&searchon=names&suite=lucid&section=all)
# - libc version 2.11.1 (http://packages.ubuntu.com/search?keywords=libc6&searchon=names&suite=lucid&section=all)
# - libstdc++ version 4.4.3 (http://packages.ubuntu.com/search?suite=lucid&section=all&arch=any&keywords=libstdc%2B%2B&searchon=names)
# - g++ version 5.3.1 (https://packages.ubuntu.com/search?keywords=g%2B%2B&searchon=names&suite=xenial&section=all)
# - libc version 2.23.0 (https://packages.ubuntu.com/search?keywords=libc6&searchon=names&suite=xenial&section=all)
#
# CentOS 7 EOL: 2024. https://wiki.centos.org/FAQ/General
#
# - g++ version 4.8.5 (http://mirror.centos.org/centos/7/os/x86_64/Packages/)
# - libc version 2.17 (http://mirror.centos.org/centos/7/os/x86_64/Packages/)
#
# Taking the minimum of these as our target.
#
# According to GNU ABI document (http://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html) this corresponds to:
# GCC 4.4.0: GCC_4.4.0
# GCC 4.4.2: GLIBCXX_3.4.13, CXXABI_1.3.3
# (glibc) GLIBC_2_11
# According to GNU ABI document (https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html) this corresponds to:
# GCC 4.8.5: GCC_4.8.0
# (glibc) GLIBC_2_17
#
MAX_VERSIONS = {
'GCC': (4,4,0),
'CXXABI': (1,3,3),
'GLIBCXX': (3,4,13),
'GLIBC': (2,11),
'GCC': (4,8,0),
'GLIBC': (2,17),
'LIBATOMIC': (1,0)
}
# See here for a description of _IO_stdin_used:

4
doc/release-notes.md
View file

@ -68,6 +68,10 @@ Build System
- OpenSSL is no longer used by Bitcoin Core. The last usage of the library
was removed in #17265.
- glibc 2.17 or greater is now required to run the release binaries. This
retains compatibility with RHEL 7, CentOS 7, Debian 8 and Ubuntu 14.04 LTS.
Further details can be found in #17538.
New RPCs
--------