[cannot compile in 16gb ram]

tce-load -i compiletc zip unzip gperf perl_archive_zip automake libtool-dev gtk3-dev gtk2-dev cups-dev curl-dev gst-plugins-base-dev harfbuzz-icu-dev lcms2-dev librsvg-dev libxslt-dev nss-dev poppler-dev libsane-dev bash tar coreutils dbus-glib-dev wget neon-dev python3.6-dev libbluetooth-dev dconf-dev desktop-file-utils nasm gvfs-dev zenity glu-dev clucene-dev libatomic_ops-dev redland-dev hunspell-dev libexttextcat-dev serf-dev boost-1.65-dev glew-dev gettext dejavu-fonts-ttf [gpgme-dev]

cd /usr/local/bin
sudo rm python
sudo ln -s python3.6 python

cd libreoffice-6.0.1.1

sed -e "/gzip -f/d" -e "s|.1.gz|.1|g" -i bin/distro-install-desktop-integration
sed -e "/distro-install-file-lists/d" -i Makefile.in

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -D_GLIBCXX_USE_C99_MATH -std=c++11" ./autogen.sh --prefix=/usr/local --localstatedir=/var [--with-lang='fr en-GB'] --without-help  --without-myspell-dicts --with-alloc=system --without-fonts --without-java --without-junit --without-system-dicts --disable-odk --disable-firebird-sdbc --enable-release-build=yes  --enable-python=system --with-system-apr --with-parallelism=4 --disable-extensions --without-doxygen --disable-postgresql-sdbc --with-system-bluez --with-system-boost --with-system-cairo --with-system-clucene --with-system-curl --with-system-epoxy --with-system-expat [--with-system-gpgmepp] --with-system-harfbuzz --with-system-hunspell --with-system-icu --with-system-jpeg --with-system-lcms2 --with-system-libatomic_ops --with-system-libexttextcat --with-system-libpng --with-system-libxml --with-system-neon --with-system-nss -with-system-odbc --with-system-openldap --with-system-openssl --with-system-poppler --with-system-postgresql --with-system-redland --with-system-sane --with-system-serf --with-system-zlib

--with-lang='fr en-GB' [default en-US] downloads translations

edit configure
    if test "$gccvisbroken" = "no"; then
        as_fn_error $? "Your gcc is not -fvisibility=hidden safe. This is no longer supported." "$LINENO" 5

sudo ln -s /tmp/tcloop/gpgme-dev/usr/local/include/gpgme++/* /usr/local/include

time make build-nocheck [3h 3m 02s]

https://bugs.documentfoundation.org/show_bug.cgi?id=115672

[CXX] xmlsecurity/source/gpg/CipherContext.cxx
In file included from /mnt/sdc8/usr/src/libreoffice-6.0.1.1/xmlsecurity/source/gpg/CertificateImpl.cxx:12:0:
/mnt/sdc8/usr/src/libreoffice-6.0.1.1/xmlsecurity/source/gpg/CertificateImpl.hxx:36:5: error: 'GpgME' does not name a type
     GpgME::Key m_pKey;

sudo make distro-pack-install

  ln -s /usr/local/lib/libreoffice/program/soffice /usr/local/bin/libreoffice

  mkdir -p /usr/local/share/pixmaps
  for i in /usr/local/share/icons/hicolor/32x32/apps/*; do
    ln -s $i /usr/local/share/pixmaps
  done

  for i in /usr/local/lib/libreoffice/share/xdg/*; do
    ln -s $i /usr/local/share/applications/libreoffice-$(basename $i)
  done

edit /usr/local/lib/libreoffice/share/fonts/truetype/fc_local.conf
<!DOCTYPE fontconfig SYSTEM "/usr/local/etc/fonts/conf.d/fonts.dtd">