tce-load -i Xorg-7.7-3d-dev fribidi-dev cairo-dev librsvg-dev gettext-dev intltool

cd jwm-2.3.6

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

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

make
sudo make install

Options

    Confirm:  yes
    Icon:     yes
    Cairo:    yes
    RSVG:     yes
    PNG:      yes
    JPEG:     yes
    XBM:      yes
    XPM:      yes
    XFT:      yes
    XRender:  yes
    FriBidi:  yes
    Shape:    yes
    Xmu:      yes
    Xinerama: yes
    Debug:    no