tce-load -i compiletc libfilezilla-dev wxwidgets-dev xdg-utils gettext

https://dl1.cdn.filezilla-project.org/client/FileZilla_3.44.2_src.tar.bz2

cd filezilla-3.44.2

CC="gcc -mtune=generic -Os -pipe" CXX="g++ -mtune=generic -Os -pipe" ./configure --prefix=/usr/local --disable-static --localstatedir=/var --with-pugixml=builtin --without-dbus

[-lto, -fno-exceptions fail]

find . -name Makefile -type f -exec sed -i 's/-g -O2 -Wall/-Wall/g' {} \;

make [4m 11.42s]
sudo make install