export CFLAGS="-march=i486 -mtune=i686 -Os -pipe"
export CXXFLAGS="-march=i486 -mtune=i686 -Os -pipe" [needs exceptions]

load babl-dev gtk2-dev intltool openexr-dev librsvg-dev SDL-dev libopenraw-dev jasper-dev graphviz-dev libspiro exiv2-dev umfpack-dev extensions

gegl-0.1.8
----------
./configure --prefix=/usr/local --enable-static

edit operations/external/exr-load.cpp

  *format = babl_format (format_string); ->
  *format = (void*)babl_format (format_string);

make
sudo make install

Optional features:
  GEGL docs:       yes
  Build workshop:  no
  Build website:   no  (asciidoc not found)
  SIMD:            sse:yes mmx:yes
  Vala support:    no  (vapigen executable not found)

Optional dependencies:
  asciidoc:        no  (asciidoc not found)
  enscript:        no  (enscript not found)
  Ruby:            no
  Lua:             no  (usable lua not found)
  Cairo:           yes
  Pango:           yes
  pangocairo:      yes
  GDKPixbuf:       yes
  JPEG:            yes
  PNG:             yes
  OpenEXR:         yes
  rsvg:            yes
  SDL:             yes
  openraw:         yes
  Jasper:          yes
  graphviz:        yes
  avformat:        no  (libavformat not found)
  V4L:             no
  spiro:           yes
  EXIV:            yes
  umfpack:         yes