tce-load -i compiletc intltool vte-dev gsettings-desktop-schemas-dev dconf-dev desktop-file-utils nautilus-dev itstool gettext

wget https://download.gnome.org/sources/gnome-terminal/3.40/gnome-terminal-3.40.0.tar.xz

cd gnome-terminal-3.40.0

CC="gcc -flto -mtune=generic -Os -pipe" CXX="g++ -flto -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static --localstatedir=/var --libexecdir=/usr/local/lib/gnome-terminal --disable-search-provider

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

edit Makefile
SUBDIRS = data src po help

make [0m 35.73s]
make install

gnome-terminal-3.40.0:

      prefix:                 /usr/local
      source code location:   .
      compiler:               gcc -flto -mtune=generic -Os -pipe
      gterminal:              
      DBus interface dir:     ${datadir}/dbus-1/interfaces
      DBus service dir:       ${datadir}/dbus-1/services
      Debug:                  no
      Search provider:        no
      Nautilus extension:     yes
      Nautilus extension dir: ${libdir}/nautilus/extensions-3.0