diff -Nru libreoffice-6.4.5~rc1/debian/changelog libreoffice-6.4.5~rc1/debian/changelog
--- libreoffice-6.4.5~rc1/debian/changelog	2020-06-21 11:07:16.000000000 +0000
+++ libreoffice-6.4.5~rc1/debian/changelog	2020-06-28 17:22:50.000000000 +0000
@@ -1,3 +1,13 @@
+libreoffice (1:6.4.5~rc1-2+rpi1) bullseye-staging; urgency=medium
+
+  [changes introduced in 1:5.4.0-1+rpi1 by Peter Michael Green]
+  * Disable pdfium, it fails to build for armv6
+
+  [changes brought forward from 1:6.0.2-1+rpi2 by Peter Michael Green <plugwash@raspbian.org> at Fri, 27 Apr 2018 02:14:18 +0000]
+  * Disable testsuite.
+
+ -- Raspbian forward porter <root@raspbian.org>  Sun, 28 Jun 2020 17:22:50 +0000
+
 libreoffice (1:6.4.5~rc1-2) unstable; urgency=medium
 
   * debian/patches/apparmor-cleanups.diff: #include <abstractions/user-tmp>
diff -Nru libreoffice-6.4.5~rc1/debian/control libreoffice-6.4.5~rc1/debian/control
--- libreoffice-6.4.5~rc1/debian/control	2020-06-21 11:07:16.000000000 +0000
+++ libreoffice-6.4.5~rc1/debian/control	2020-06-28 17:22:50.000000000 +0000
@@ -11,7 +11,6 @@
                bzip2,
                coinor-libcoinmp-dev (>= 1.8.3-3),
                coinor-libcoinutils-dev (>= 2.10.14+repack1-1),
-               debhelper (>= 10.10.4),
                debhelper-compat (= 12),
                default-jdk (>= 2:1.8) [!hppa !s390 !sparc !hurd-i386 !i386] <!nojava>,
                default-jdk (>= 2:1.8-55) [sparc64] <!nojava>,
@@ -20,30 +19,15 @@
                dh-apparmor,
                dh-python <!nopython>,
                dpkg-dev (>= 1.18.2~),
-               dwz (>> 0.12-3),
                firebird-dev (>= 3.0.0.32483.ds4-4) [!hppa !mips64 !s390 !sparc],
-               firebird3.0-server-core [!hppa !mips64 !s390 !sparc] <!nocheck>,
                flex (>= 2.3.35),
-               fontconfig [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
                fontforge-nox | fontforge,
-               fonts-crosextra-carlito [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
-               fonts-dejavu [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
-               fonts-liberation2 [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
                g++ (>= 4:7),
                gcc (>= 4:7),
-               gdb [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
-               ghostscript [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
                gobject-introspection (>= 1.32.0),
                gperf (>= 3.1),
-               gpg <!nocheck>,
-               gpg-agent <!nocheck>,
-               gpgconf <!nocheck>,
-               hunspell-en-us [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
-               hyphen-en-us [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
-               imagemagick [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
                java-common (>= 0.61) <!nojava>,
                javahelper (>= 0.37~) <!nojava>,
-               junit4 (>= 4.8.2-2) [amd64 arm64] <!nocheck !nojava>,
                libabw-dev (>= 0.1),
                libarchive-zip-perl [!hppa !mips64 !s390 !sparc] <!nojava>,
                libavahi-client-dev,
@@ -60,19 +44,16 @@
                libclucene-dev (>= 2.3.3.4-4.1),
                libcmis-dev (>= 0.5.2~),
                libcommons-logging-java [!hppa !mips64 !s390 !sparc] <!nojava>,
-               libcppunit-dev (>= 1.14) [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
                libcups2-dev,
                libcurl4-gnutls-dev,
                libdbus-1-dev (>= 0.60),
                libdconf-dev (>= 0.15.2),
                libe-book-dev,
-               libe-book-dev (>= 0.1.2) <!nocheck>,
                libebook1.2-dev,
                libeot-dev,
                libepoxy-dev (>= 1.2),
                libepubgen-dev (>= 0.1.0),
                libetonyek-dev,
-               libetonyek-dev (>= 0.1.8) <!nocheck>,
                libexpat1-dev,
                libexttextcat-dev (>= 3.4.1),
                libflute-java (>= 1.1.6) [!hppa !mips64 !s390 !sparc] <!nojava>,
@@ -114,7 +95,6 @@
                libmdds-dev (>= 1.5),
                libmspub-dev (>= 0.1),
                libmwaw-dev (>= 0.3.1),
-               libmwaw-dev (>= 0.3.15) <!nocheck>,
                libmythes-dev (>= 2:1.2),
                libneon27-gnutls-dev,
                libnspr4-dev,
@@ -140,13 +120,11 @@
                libserializer-java (>= 1.1.6) [!hppa !mips64 !s390 !sparc] <!nojava>,
                libsm-dev,
                libstaroffice-dev,
-               libstaroffice-dev (>= 0.0.3) <!nocheck>,
                libsuitesparse-dev (>= 1:3.4.0),
                libvisio-dev (>= 0.1),
                libwpd-dev (>= 0.10),
                libwpg-dev (>= 0.3),
                libwps-dev (>= 0.4),
-               libwps-dev (>= 0.4.9) <!nocheck>,
                libx11-dev,
                libxaw7-dev,
                libxcb-icccm4-dev,
@@ -164,15 +142,12 @@
                libxt-dev,
                libxtst-dev,
                libzmf-dev,
-               locales [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
                lp-solve (>= 5.5.0.13-5+b1),
                maven-repo-helper,
                pkg-config,
-               pstoedit [!armel !kfreebsd-amd64 !kfreebsd-i386 !mips !mipsel !mips64el] <!nocheck>,
                python3,
                python3-dev (>= 3.3) <!nopython>,
                python3-distutils <!nopython>,
-               python3-lxml <!nocheck !nopython>,
                qt5-qmake (>= 5.6),
                qtbase5-dev (>= 5.6),
                qtbase5-dev-tools (>= 5.6),
@@ -187,19 +162,12 @@
 Build-Depends-Indep: ant (>= 1.7.0) [!hppa !mips64 !s390 !sparc] <!nojava>,
                      ant-optional (>= 1.7.0) [!hppa !mips64 !s390 !sparc] <!nojava>,
                      doxygen (>= 1.8.4) <!nodoc>,
-                     g++-mingw-w64-i686,
                      gettext,
                      graphviz <!nodoc>,
                      libbsh-java <!nojava>,
                      rdfind,
                      symlinks
 Build-Conflicts: amd-libopencl1,
-                 fonts-opensymbol <!nocheck>,
-                 g++-9 (= 9.2.1-12) <!nocheck>,
-                 g++-9 (= 9.2.1-13) <!nocheck>,
-                 g++-9 (= 9.2.1-14) <!nocheck>,
-                 g++-9 (= 9.2.1-15) <!nocheck>,
-                 g++-9 (= 9.2.1-15.1) <!nocheck>,
                  nvidia-glx-dev,
                  nvidia-glx-legacy-dev,
                  nvidia-libopencl1
diff -Nru libreoffice-6.4.5~rc1/debian/rules libreoffice-6.4.5~rc1/debian/rules
--- libreoffice-6.4.5~rc1/debian/rules	2020-06-21 11:07:11.000000000 +0000
+++ libreoffice-6.4.5~rc1/debian/rules	2020-06-28 17:22:50.000000000 +0000
@@ -15,6 +15,8 @@
 # /usr/share/common-licenses/GPL or <http://www.gnu.org/copyleft/gpl.txt>.
 ################################################################################
 
+export DEB_BUILD_OPTIONS += nocheck
+
 vafilt = $(subst $(2)=,,$(filter $(2)=%,$(1)))
 
 include /usr/share/dpkg/pkg-info.mk
@@ -468,7 +470,7 @@
 
 # let's do this only on archs where we have chromium, which is supposedly even only the archs
 # where alsp pdfium is supported.
-OOO_PDFIUM_ARCHS := i386 amd64 armhf arm64
+OOO_PDFIUM_ARCHS := i386 amd64 arm64
 ifneq (,$(filter $(DEB_HOST_ARCH),$(OOO_PDFIUM_ARCHS)))
 ENABLE_PDFIUM=y
 else