[cannot compile in 4gb 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 sane-backends-dev bash tar coreutils dbus-glib-dev wget neon-dev python3.5-dev bluez-dev dconf-dev desktop-file-utils nasm zenity glu-dev libatomic_ops-dev hunspell-dev libxml2-bin

cd /usr/local/bin
sudo rm python
sudo ln -s python3.5 python

cd libreoffice-5.2.3.3

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 -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -march=i486 -mtune=i686 -Os -pipe" ./autogen.sh --prefix=/usr/local --localstatedir=/var --without-help  --without-myspell-dicts --with-alloc=system --without-java --without-junit --without-system-dicts --disable-odk --disable-firebird-sdbc --enable-release-build=yes  --enable-python=system --with-parallelism=4 --disable-extensions --without-doxygen --disable-postgresql-sdbc --with-system-bluez --with-system-cairo --with-system-curl --with-system-expat --with-system-harfbuzz --with-system-hunspell --with-system-icu --with-system-jpeg --with-system-lcms2 --with-system-libatomic_ops --with-system-libpng --with-system-libxml --with-system-neon --with-system-nss --with-system-openssl --with-system-poppler --with-system-sane --with-system-zlib --with-lang=ALL

[libreoffice-5.3.0.3]
configure: error: Your gcc is not -fvisibility=hidden safe. This is no longer supported.

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


time make build-nocheck [4h 41m 38s]
sudo make distro-pack-install