Bug 711982

Summary:	net-misc/memcached-1.6.0 : fails to build with -fno-common or gcc-10
Product:	Gentoo Linux	Reporter:	Toralf Förster <toralf>
Component:	Current packages	Assignee:	Robin Johnson <robbat2>
Status:	RESOLVED FIXED
Severity:	normal	CC:	prometheanfire
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
See Also:	https://bugs.gentoo.org/show_bug.cgi?id=764131
Whiteboard:
Package list:		Runtime testing required:	---
Bug Depends on:
Bug Blocks:	705764
Attachments:	emerge-info.txt emerge-history.txt environment etc.portage.tbz2 logs.tbz2 net-misc:memcached-1.6.0:20200309-110610.log temp.tbz2

Description Toralf Förster gentoo-dev

2020-03-09 17:53:06 UTC

x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I.  -UNDEBUG   -O2 -pipe -march=native -fno-common -falign-functions=32:25:16 -UNDEBUG -pthread -c -o testapp-murmur3_hash.o `test -f 'murmur3_hash.c' || echo './'`murmur3_hash.c
x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I.  -UNDEBUG   -O2 -pipe -march=native -fno-common -falign-functions=32:25:16 -UNDEBUG -pthread -c -o testapp-hash.o `test -f 'hash.c' || echo './'`hash.c
x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I.  -UNDEBUG   -O2 -pipe -march=native -fno-common -falign-functions=32:25:16 -UNDEBUG -pthread -c -o testapp-cache.o `test -f 'cache.c' || echo './'`cache.c
x86_64-pc-linux-gnu-gcc  -O2 -pipe -march=native -fno-common -falign-functions=32:25:16 -UNDEBUG -pthread  -Wl,-O1 -Wl,--as-needed -o testapp testapp-testapp.o testapp-util.o testapp-stats_prefix.o testapp-jenkins_hash.o testapp-murmur3_hash.o testapp-hash.o testapp-cache.o  -levent -lsasl2 
/usr/lib/gcc/x86_64-pc-linux-gnu/9.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: testapp-stats_prefix.o:(.bss+0x0): multiple definition of `crc32c'; testapp-util.o:(.bss+0x0): first defined here
/usr/lib/gcc/x86_64-pc-linux-gnu/9.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: testapp-jenkins_hash.o:(.bss+0x0): multiple definition of `crc32c'; testapp-util.o:(.bss+0x0): first defined here

  -------------------------------------------------------------------

  This is an unstable amd64 chroot image at a tinderbox (==build bot)
  name: 17.1_no-multilib-20200304-213403

  -------------------------------------------------------------------

  Please see the tracker bug for details.

gcc-config -l:
 [1] x86_64-pc-linux-gnu-9.2.0 *

clang:
clang version 10.0.0 
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/lib/llvm/10/bin
llvm:
10.0.0
Available Python interpreters, in order of preference:
  [1]   python3.8
  [2]   python3.7
  [3]   python3.6
  [4]   python2.7 (fallback)
Available Ruby profiles:
  [1]   ruby24 (with Rubygems)
  [2]   ruby25 (with Rubygems) *
Available Rust versions:
  [1]   rust-1.41.1 *
java-config:
The following VMs are available for generation-2:
*)	AdoptOpenJDK 8.242_p08 [openjdk-bin-8]
Available Java Virtual Machines:
  [1]   openjdk-bin-8  system-vm
ghc:
The Glorious Glasgow Haskell Compilation System, version 8.0.2

repository:
==> /var/db/repos/gentoo/metadata/timestamp.chk <==
Mon, 09 Mar 2020 09:37:32 +0000

emerge -qpvO net-misc/memcached
[ebuild     U ] net-misc/memcached-1.6.0 [1.5.22] USE="sasl seccomp -debug (-selinux) -slabs-reassign -test"

Comment 1 Toralf Förster gentoo-dev

2020-03-09 17:53:09 UTC

Created attachment 617666 [details]
emerge-info.txt

Comment 2 Toralf Förster gentoo-dev

2020-03-09 17:53:12 UTC

Created attachment 617668 [details]
emerge-history.txt

Comment 3 Toralf Förster gentoo-dev

2020-03-09 17:53:15 UTC

Created attachment 617670 [details]
environment

Comment 4 Toralf Förster gentoo-dev

2020-03-09 17:53:17 UTC

Created attachment 617672 [details]
etc.portage.tbz2

Comment 5 Toralf Förster gentoo-dev

2020-03-09 17:53:20 UTC

Created attachment 617674 [details]
logs.tbz2

Comment 6 Toralf Förster gentoo-dev

2020-03-09 17:53:23 UTC

Created attachment 617676 [details]
net-misc:memcached-1.6.0:20200309-110610.log

Comment 7 Toralf Förster gentoo-dev

2020-03-09 17:53:26 UTC

Created attachment 617678 [details]
temp.tbz2

Comment 8 Larry the Git Cow gentoo-dev

2020-03-11 05:42:14 UTC

The bug has been closed via the following commit(s):

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f9acf146c21b1433f3c9337dd49d05c0060f825e

commit f9acf146c21b1433f3c9337dd49d05c0060f825e
Author:     Robin H. Johnson <robbat2@gentoo.org>
AuthorDate: 2020-03-11 05:41:19 +0000
Commit:     Robin H. Johnson <robbat2@gentoo.org>
CommitDate: 2020-03-11 05:41:19 +0000

    net-misc/memcached: fix -fno-common
    
    Upstream merged our prior patch for -fno-common/gcc10, but also
    introduced a new regression -fno-common in the latest release.
    
    Fixes: https://bugs.gentoo.org/711982
    Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>

 .../memcached/files/memcached-1.6.0-gcc10.patch    | 34 ++++++++++++++++++++++
 net-misc/memcached/memcached-1.6.0.ebuild          |  2 +-
 2 files changed, 35 insertions(+), 1 deletion(-)