tce-load -i Xorg-7.7-dev libjpeg-turbo-dev

cd fltk-1.3.3

patch -Np1 -i ../fltk-no-printing.patch

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti" ./configure --prefix=/usr/local --enable-shared --localstatedir=/var --disable-gl --disable-xinerama --disable-xft --disable-xfixes --disable-xcursor

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

make
sudo make install

       Graphics: X11+Xdbe
Image Libraries: JPEG=System
                 PNG=System
                 ZLIB=System
    Large Files: YES
         OpenGL: NO
        Threads: YES