[Debian-med-packaging] Bug#1030954: quorum: ftbfs with LTO (link time optimization) enabled

[Sergio Durigan Junior]

Package: src:quorum
Version: 1.1.1-7
Severity: minor
Tags: sid bookworm
User: debian-gcc at lists.debian.org
Usertags: ftbfs-lto

This package currently fails to build (at least on the amd64
architecture) with link time optimizations enabled.  For a background
for LTO please see

https://wiki.debian.org/ToolChain/LTO

The goal is to enable this optimization by default in an upcoming
Debian release in dpkg-buildflags for 64bit architectures.  The goal
is to get this package to build with link time optimizations, or to
explicitly disable link time optimizations for this package build.

To reproduce the build failure, enable the lto optimization in
testing/unstable by adding "optimize=+lto" to DEB_BUILD_MAINT_OPTIONS
in the debian/rules file, or if this macro is unset, just set it:

export DEB_BUILD_MAINT_OPTIONS = optimize=+lto

Please try to fix the build with lto enabled, fixing the packaging or
forwarding the issue upstream. If the issue cannot be fixed,
explicitly disallow building the package with lto by adding to your
rules file:

export DEB_BUILD_MAINT_OPTIONS = optimize=-lto

or adding that string to your existing setting of DEB_BUILD_MAINT_OPTIONS.

This is the excerpt of the build log that shows the failure:

--8<---------------cut here---------------start------------->8---
/bin/bash ./libtool  --tag=CXX   --mode=link g++ -Wall -g -O2 -std=c++0x -Werror -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -flto=auto -f
fat-lto-objects -fstack-protector-strong -Wformat -Werror=format-security -DHAVE_NUMERIC_LIMITS128  -flto=auto -ffat-lto-objects -Wl,-z,re
lro -Wl,-z,now -o quorum_error_correct_reads src/error_correct_reads.o src/err_log.o -ljellyfish-2.0 -lpthread  -lrt -lpthread            
libtool: link: g++ -Wall -g -O2 -std=c++0x -Werror -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -flto=auto -ffat-lto-objects -fstack-protec
tor-strong -Wformat -Werror=format-security -DHAVE_NUMERIC_LIMITS128 -flto=auto -ffat-lto-objects -Wl,-z -Wl,relro -Wl,-z -Wl,now -o quoru
m_error_correct_reads src/error_correct_reads.o src/err_log.o  /usr/lib/x86_64-linux-gnu/libjellyfish-2.0.so -lrt -lpthread
In member function '__ct ',                                                                                                               
    inlined from '__ct_base .constprop' at ./include/jflib/multiplexed_io.hpp:82:18:
./include/jflib/pool.hpp:36:26: error: argument 1 value '18446744073709551615' exceeds maximum object size 9223372036854775807 [-Werror=al
loc-size-larger-than=]                                               
   36 |       size_(size), elts_(new T[size]), B2A(size, elts_), A2B(size, elts_)
      |                          ^ 
/usr/include/c++/12/new: In member function '__ct_base .constprop':                                                                       
/usr/include/c++/12/new:128:26: note: in a call to allocation function 'operator new []' declared here
  128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                          ^ 
lto1: all warnings being treated as errors
make[3]: *** [/tmp/ccrQQ24o.mk:5: /tmp/ccOYZvOS.ltrans1.ltrans.o] Error 1
make[3]: *** Waiting for unfinished jobs....
lto-wrapper: fatal error: make returned 2 exit status
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:897: quorum_error_correct_reads] Error 1
make[2]: Leaving directory '/<<PKGBUILDDIR>>'       
make[1]: *** [Makefile:707: all] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
dh_auto_build: error: make -j1 returned exit code 2
make: *** [debian/rules:12: binary] Error 25
--8<---------------cut here---------------end--------------->8---

-- 
Sergio
GPG key ID: 237A 54B1 0287 28BF 00EF  31F4 D0EB 7628 65FC 5E36
Please send encrypted e-mail if possible
https://sergiodj.net/
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