tce-load -i Xorg-7.7-dev libiw imlib2-dev

cd conky-1.9.0

add
#include <stdbool.h>
to src/conky.h

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 --disable-ncurses --disable-lua --enable-imlib2 --enable-wlan

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

make
sudo make install

conky 1.9.0 configured successfully:

 Installing into:   /usr/local
 System config dir: ${prefix}/etc
 C compiler flags:   -I/usr/local/include  -I/usr/local/include  -I/usr/local/include  -I/usr/local/include  -I/usr/local/include -I/usr/local/include/freetype2 -I/usr/local/include -I/usr/local/include/freetype2 -I/usr/local/include  -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include  -Wall -W
 Libraries:         -liw  -lm -L/usr/local/lib -lX11  -L/usr/local/lib -lImlib2   -L/usr/local/lib -lXext  -L/usr/local/lib -lXdamage -lXfixes  -L/usr/local/lib -lXft  -L/usr/local/lib -lglib-2.0  
 Linker flags:       -Wl,-O1

 * X11:
  X11 support:      yes
  XDamage support:  yes
  XDBE support:     yes
  Xft support:      yes
  ARGB support      yes

 * Music detection:
  Audacious:        no
  BMPx:             no
  MPD:              yes
  MOC:              yes
  XMMS2:            no

 * General:
  math:             yes
  hddtemp:          yes
  portmon:          yes
  RSS:              no
  Curl:             no
  Weather
    METAR:          no
    XOAP:           no
  wireless:         yes
  IBM:              no
  nvidia:           no
  eve-online:       no
  config-output:    yes
  Imlib2:           yes
  ALSA mixer:       no
  apcupsd:          yes
  I/O stats:        yes
  ncurses:          no

 * Lua (no) bindings:
  Cairo:            no
  Imlib2:           no