Diff of the two buildlogs:

--
--- b1/build.log	2023-04-30 05:53:55.406699335 +0000
+++ b2/build.log	2023-04-30 05:55:43.837939907 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Apr 29 17:52:32 -12 2023
-I: pbuilder-time-stamp: 1682833952
+I: Current time: Sun Jun  2 02:16:59 +14 2024
+I: pbuilder-time-stamp: 1717244219
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
 I: copying local configuration
@@ -16,7 +16,7 @@
 I: copying [./ucimf-openvanilla_2.10.11.orig.tar.gz]
 I: copying [./ucimf-openvanilla_2.10.11-4.debian.tar.xz]
 I: Extracting source
-gpgv: Signature made Tue Nov 27 08:16:06 2018 -12
+gpgv: Signature made Wed Nov 28 10:16:06 2018 +14
 gpgv:                using RSA key 7E7729476D87D6F11D91ACCBC293E7B461825ACE
 gpgv: Can't check signature: No public key
 dpkg-source: warning: cannot verify inline signature for ./ucimf-openvanilla_2.10.11-4.dsc: no acceptable signature found
@@ -28,52 +28,84 @@
 dpkg-source: info: applying 0002-Fix-FTBFS-with-clang-instead-of-gcc-Closes-753337.patch
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/31863/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/14356/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink9-arm64.
+I: Changing host+domainname to test build reproducibility
+I: Adding a custom variable just for the fun of it...
+I: Changing /bin/sh to bash
+'/bin/sh' -> '/bin/bash'
+lrwxrwxrwx 1 root root 9 Jun  2 02:17 /bin/sh -> /bin/bash
+I: Setting pbuilder2's login shell to /bin/bash
+I: Setting pbuilder2's GECOS to second user,second room,second work-phone,second home-phone,second other
+I: user script /srv/workspace/pbuilder/14356/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/14356/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
-  BUILD_ARCH='arm64'
-  DEBIAN_FRONTEND='noninteractive'
+  BASH=/bin/sh
+  BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:globskipdots:hostcomplete:interactive_comments:patsub_replacement:progcomp:promptvars:sourcepath
+  BASH_ALIASES=()
+  BASH_ARGC=()
+  BASH_ARGV=()
+  BASH_CMDS=()
+  BASH_LINENO=([0]="12" [1]="0")
+  BASH_LOADABLES_PATH=/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:.
+  BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment")
+  BASH_VERSINFO=([0]="5" [1]="2" [2]="15" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu")
+  BASH_VERSION='5.2.15(1)-release'
+  BUILDDIR=/build
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME=pbuilder2
+  BUILD_ARCH=arm64
+  DEBIAN_FRONTEND=noninteractive
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=8'
-  DISTRIBUTION='bookworm'
-  HOME='/var/lib/jenkins'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=bookworm
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/var/lib/jenkins
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  MAIL='/var/mail/root'
-  OPTIND='1'
-  PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games'
-  PBCURRENTCOMMANDLINEOPERATION='build'
-  PBUILDER_OPERATION='build'
-  PBUILDER_PKGDATADIR='/usr/share/pbuilder'
-  PBUILDER_PKGLIBDIR='/usr/lib/pbuilder'
-  PBUILDER_SYSCONFDIR='/etc'
-  PPID='31863'
-  PS1='# '
-  PS2='> '
+  LANG=C
+  LANGUAGE=nl_BE:nl
+  LC_ALL=C
+  MACHTYPE=aarch64-unknown-linux-gnu
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnu
+  PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path
+  PBCURRENTCOMMANDLINEOPERATION=build
+  PBUILDER_OPERATION=build
+  PBUILDER_PKGDATADIR=/usr/share/pbuilder
+  PBUILDER_PKGLIBDIR=/usr/lib/pbuilder
+  PBUILDER_SYSCONFDIR=/etc
+  PIPESTATUS=([0]="0")
+  POSIXLY_CORRECT=y
+  PPID=14356
   PS4='+ '
-  PWD='/'
-  SHELL='/bin/bash'
-  SHLVL='2'
-  SUDO_COMMAND='/usr/bin/timeout -k 18.1h 18h /usr/bin/ionice -c 3 /usr/bin/nice /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.ZXK2mDr4/pbuilderrc_PnW4 --distribution bookworm --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.ZXK2mDr4/b1 --logfile b1/build.log ucimf-openvanilla_2.10.11-4.dsc'
-  SUDO_GID='117'
-  SUDO_UID='110'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  USERNAME='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://192.168.101.16:3128'
+  PWD=/
+  SHELL=/bin/bash
+  SHELLOPTS=braceexpand:errexit:hashall:interactive-comments:posix
+  SHLVL=3
+  SUDO_COMMAND='/usr/bin/timeout -k 24.1h 24h /usr/bin/ionice -c 3 /usr/bin/nice -n 11 /usr/bin/unshare --uts -- /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.ZXK2mDr4/pbuilderrc_S1PA --distribution bookworm --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.ZXK2mDr4/b2 --logfile b2/build.log --extrapackages usrmerge ucimf-openvanilla_2.10.11-4.dsc'
+  SUDO_GID=117
+  SUDO_UID=110
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  USERNAME=root
+  _='I: set'
+  http_proxy=http://192.168.101.16:3128
 I: uname -a
-  Linux codethink12-arm64 4.15.0-210-generic #221-Ubuntu SMP Tue Apr 18 08:32:48 UTC 2023 aarch64 GNU/Linux
+  Linux i-capture-the-hostname 4.15.0-210-generic #221-Ubuntu SMP Tue Apr 18 08:32:48 UTC 2023 aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Apr 26 22:25 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/31863/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Apr 28  2023 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/14356/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -157,7 +189,7 @@
 Get: 40 http://deb.debian.org/debian bookworm/main arm64 libucimf0 arm64 2.3.8-13 [40.1 kB]
 Get: 41 http://deb.debian.org/debian bookworm/main arm64 libucimf-dev arm64 2.3.8-13 [10.1 kB]
 Get: 42 http://deb.debian.org/debian bookworm/main arm64 openvanilla-imgeneric arm64 0.9.0a1.3+dfsg1-3 [554 kB]
-Fetched 22.3 MB in 3s (7793 kB/s)
+Fetched 22.3 MB in 1s (34.5 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package sensible-utils.
 (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 19616 files and directories currently installed.)
@@ -342,10 +374,15 @@
 Reading package lists...
 Building dependency tree...
 Reading state information...
+usrmerge is already the newest version (35).
 fakeroot is already the newest version (1.31-1.2).
 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/ucimf-openvanilla-2.10.11/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-genchanges -S  > ../ucimf-openvanilla_2.10.11-4_source.changes
+I: user script /srv/workspace/pbuilder/14356/tmp/hooks/A99_set_merged_usr starting
+Re-configuring usrmerge...
+I: user script /srv/workspace/pbuilder/14356/tmp/hooks/A99_set_merged_usr finished
+hostname: Temporary failure in name resolution
+I: Running cd /build/ucimf-openvanilla-2.10.11/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-genchanges -S  > ../ucimf-openvanilla_2.10.11-4_source.changes
 dpkg-buildpackage: info: source package ucimf-openvanilla
 dpkg-buildpackage: info: source version 2.10.11-4
 dpkg-buildpackage: info: source distribution unstable
@@ -503,13 +540,13 @@
 make[2]: Entering directory '/build/ucimf-openvanilla-2.10.11'
 Making all in src
 make[3]: Entering directory '/build/ucimf-openvanilla-2.10.11/src'
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 -ffile-prefix-map=/build/ucimf-openvanilla-2.10.11=. -fstack-protector-strong -Wformat -Werror=format-security -c -o openvanilla_la-openvanilla.lo `test -f 'openvanilla.cpp' || echo './'`openvanilla.cpp
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 -ffile-prefix-map=/build/ucimf-openvanilla-2.10.11=. -fstack-protector-strong -Wformat -Werror=format-security -c -o openvanilla_la-ovimf.lo `test -f 'ovimf.cpp' || echo './'`ovimf.cpp
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -ffile-prefix-map=/build/ucimf-openvanilla-2.10.11=. -fstack-protector-strong -Wformat -Werror=format-security -c openvanilla.cpp  -fPIC -DPIC -o .libs/openvanilla_la-openvanilla.o
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 -ffile-prefix-map=/build/ucimf-openvanilla-2.10.11=. -fstack-protector-strong -Wformat -Werror=format-security -c -o openvanilla_la-openvanilla.lo `test -f 'openvanilla.cpp' || echo './'`openvanilla.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 -ffile-prefix-map=/build/ucimf-openvanilla-2.10.11=. -fstack-protector-strong -Wformat -Werror=format-security -c -o openvanilla_la-ovimf.lo `test -f 'ovimf.cpp' || echo './'`ovimf.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -ffile-prefix-map=/build/ucimf-openvanilla-2.10.11=. -fstack-protector-strong -Wformat -Werror=format-security -c ovimf.cpp  -fPIC -DPIC -o .libs/openvanilla_la-ovimf.o
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -ffile-prefix-map=/build/ucimf-openvanilla-2.10.11=. -fstack-protector-strong -Wformat -Werror=format-security -c openvanilla.cpp  -fPIC -DPIC -o .libs/openvanilla_la-openvanilla.o
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -ffile-prefix-map=/build/ucimf-openvanilla-2.10.11=. -fstack-protector-strong -Wformat -Werror=format-security -c ovimf.cpp -o openvanilla_la-ovimf.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -ffile-prefix-map=/build/ucimf-openvanilla-2.10.11=. -fstack-protector-strong -Wformat -Werror=format-security -c openvanilla.cpp -o openvanilla_la-openvanilla.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=link g++  -g -O2 -ffile-prefix-map=/build/ucimf-openvanilla-2.10.11=. -fstack-protector-strong -Wformat -Werror=format-security -module -avoid-version -no-undefined -Wl,-E -Bsymbolic  -Wl,-z,relro -Wl,-z,now -Wl,--as-needed -o openvanilla.la -rpath /usr/lib/aarch64-linux-gnu/ucimf/ openvanilla_la-openvanilla.lo openvanilla_la-ovimf.lo -lltdl -lltdl 
+/bin/sh ../libtool  --tag=CXX   --mode=link g++  -g -O2 -ffile-prefix-map=/build/ucimf-openvanilla-2.10.11=. -fstack-protector-strong -Wformat -Werror=format-security -module -avoid-version -no-undefined -Wl,-E -Bsymbolic  -Wl,-z,relro -Wl,-z,now -Wl,--as-needed -o openvanilla.la -rpath /usr/lib/aarch64-linux-gnu/ucimf/ openvanilla_la-openvanilla.lo openvanilla_la-ovimf.lo -lltdl -lltdl 
 libtool: link: g++  -fPIC -DPIC -shared -nostdlib /usr/lib/gcc/aarch64-linux-gnu/12/../../../aarch64-linux-gnu/crti.o /usr/lib/gcc/aarch64-linux-gnu/12/crtbeginS.o  .libs/openvanilla_la-openvanilla.o .libs/openvanilla_la-ovimf.o   -lltdl -L/usr/lib/gcc/aarch64-linux-gnu/12 -L/usr/lib/gcc/aarch64-linux-gnu/12/../../../aarch64-linux-gnu -L/usr/lib/gcc/aarch64-linux-gnu/12/../../../../lib -L/lib/aarch64-linux-gnu -L/lib/../lib -L/usr/lib/aarch64-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/aarch64-linux-gnu/12/../../.. -lstdc++ -lm -lc -lgcc_s /usr/lib/gcc/aarch64-linux-gnu/12/crtendS.o /usr/lib/gcc/aarch64-linux-gnu/12/../../../aarch64-linux-gnu/crtn.o  -g -O2 -fstack-protector-strong -Wl,-E -Wl,-z -Wl,relro -Wl,-z -Wl,now -Wl,--as-needed   -Wl,-soname -Wl,openvanilla.so -o .libs/openvanilla.so
 libtool: link: ar cr .libs/openvanilla.a  openvanilla_la-openvanilla.o openvanilla_la-ovimf.o
 libtool: link: ranlib .libs/openvanilla.a
@@ -543,7 +580,7 @@
 make[3]: Entering directory '/build/ucimf-openvanilla-2.10.11/src'
 make[4]: Entering directory '/build/ucimf-openvanilla-2.10.11/src'
  /usr/bin/mkdir -p '/build/ucimf-openvanilla-2.10.11/debian/ucimf-openvanilla/usr/lib/aarch64-linux-gnu/ucimf/'
- /bin/bash ../libtool   --mode=install /usr/bin/install -c   openvanilla.la '/build/ucimf-openvanilla-2.10.11/debian/ucimf-openvanilla/usr/lib/aarch64-linux-gnu/ucimf/'
+ /bin/sh ../libtool   --mode=install /usr/bin/install -c   openvanilla.la '/build/ucimf-openvanilla-2.10.11/debian/ucimf-openvanilla/usr/lib/aarch64-linux-gnu/ucimf/'
 libtool: install: /usr/bin/install -c .libs/openvanilla.so /build/ucimf-openvanilla-2.10.11/debian/ucimf-openvanilla/usr/lib/aarch64-linux-gnu/ucimf/openvanilla.so
 libtool: install: /usr/bin/install -c .libs/openvanilla.lai /build/ucimf-openvanilla-2.10.11/debian/ucimf-openvanilla/usr/lib/aarch64-linux-gnu/ucimf/openvanilla.la
 libtool: install: /usr/bin/install -c .libs/openvanilla.a /build/ucimf-openvanilla-2.10.11/debian/ucimf-openvanilla/usr/lib/aarch64-linux-gnu/ucimf/openvanilla.a
@@ -575,14 +612,14 @@
 make[1]: Leaving directory '/build/ucimf-openvanilla-2.10.11'
    dh_strip
    dh_shlibdeps
-dpkg-shlibdeps: warning: debian/ucimf-openvanilla/usr/lib/aarch64-linux-gnu/ucimf/openvanilla.so contains an unresolvable reference to symbol _ZN6Widget6renderEv: it's probably a plugin
+dpkg-shlibdeps: warning: debian/ucimf-openvanilla/usr/lib/aarch64-linux-gnu/ucimf/openvanilla.so contains an unresolvable reference to symbol _ZN6Status11getInstanceEv: it's probably a plugin
 dpkg-shlibdeps: warning: 8 other similar warnings have been skipped (use -v to see them all)
    dh_installdeb
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'ucimf-openvanilla' in '../ucimf-openvanilla_2.10.11-4_arm64.deb'.
 dpkg-deb: building package 'ucimf-openvanilla-dbgsym' in '../ucimf-openvanilla-dbgsym_2.10.11-4_arm64.deb'.
+dpkg-deb: building package 'ucimf-openvanilla' in '../ucimf-openvanilla_2.10.11-4_arm64.deb'.
  dpkg-genbuildinfo --build=binary -O../ucimf-openvanilla_2.10.11-4_arm64.buildinfo
  dpkg-genchanges --build=binary -O../ucimf-openvanilla_2.10.11-4_arm64.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -590,12 +627,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: not including original source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/14356/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/14356/tmp/hooks/B01_cleanup finished
 I: unmounting dev/ptmx filesystem
 I: unmounting dev/pts filesystem
 I: unmounting dev/shm filesystem
 I: unmounting proc filesystem
 I: unmounting sys filesystem
 I: cleaning the build env 
-I: removing directory /srv/workspace/pbuilder/31863 and its subdirectories
-I: Current time: Sat Apr 29 17:53:54 -12 2023
-I: pbuilder-time-stamp: 1682834034
+I: removing directory /srv/workspace/pbuilder/14356 and its subdirectories
+I: Current time: Sun Jun  2 02:18:42 +14 2024
+I: pbuilder-time-stamp: 1717244322