Compiled on X8DTU with 2 physical Intel Xeon E5530 CPU (8C16T)

Compile Flags:
CFLAGS="-mtune=generic -Os -pipe -flto -fno-exceptions -fuse-linker-plugin"
CXXFLAGS="-mtune=generic -Os -pipe -flto -fno-exceptions -fuse-linker-plugin -fno-rtti"
LDFLAGS="-Wl,-O1"
export CFLAGS CXXFLAGS LDFLAGS

Dependencies:
alsa-dev
cairo-dev
compiletc
glu-dev
libjpeg-turbo-dev

./configure \
--prefix=/usr/local \
--libdir=/usr/local/lib/fltk-full \
--enable-cairo \
--enable-cp936 \
--enable-gl \
--enable-shared \
--enable-threads \
--enable-xinerama \
--enable-xft \
--enable-xdbe \
--enable-xfixes \
--enable-xcursor \
--enable-xrender

Configuration Summary
-------------------------------------------------------------------------
    Directories: prefix=/usr/local
                 bindir=${exec_prefix}/bin
                 datadir=${datarootdir}
                 datarootdir=${prefix}/share
                 exec_prefix=${prefix}
                 includedir=${prefix}/include
                 libdir=/usr/local/lib/fltk-full
                 mandir=${datarootdir}/man
       Graphics: X11 + Xft + Xdbe + Xfixes + Xinerama + Xcursor + Xrender
Image Libraries: JPEG=System
                 PNG=System
                 ZLIB=System
                 CAIRO=lib
    Large Files: YES
         OpenGL: YES
        Threads: YES

# skip test and doc files
patch Makefile fltk-skip-test-doc.patch

# build
make -j