tce-load -i compiletc xfconf-dev intltool gtk3-dev gobject-introspection-dev libstartup-notification-dev libgtop-dev gtk3-gir libxfce4util-gir

wget https://archive.xfce.org/src/xfce/libxfce4ui/4.18/libxfce4ui-4.18.6.tar.bz2

cd libxfce4ui-4.18.6

CC="gcc -flto -march=i486 -mtune=i686 -Os -pipe" CXX="g++ -flto -march=i486 -mtune=i686 -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --disable-static --localstatedir=/var --disable-debug

checking for optional package gudev-1.0 >= 232... not found

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

make [0m 17.90s]
sudo make install

Build Configuration:

* Glade 3.0 UI Designer:     no
* Keyboard library support:  yes
* Startup notification:      yes
* X11 session management:    yes
* Debug support:             no
* Build tests:               no
* GNU Visibility:            yes
* Vendor:                    none
* System Info (libgtop):     yes
* System Info (epoxy):       yes
* System Info (gudev):       no
* Manual website:            https://docs.xfce.org/help.php