[BUILD:fail] gtkglarea2 (Bug #163)

i686-pc-linux-gnu-gcc -march=i686 -pipe -DPIC -fPIC -O3 -pthread -D_REENTRANT -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/directfb -I/usr/include/libpng12 -I/usr/include/libdrm -s -o .libs/zktor zktor.o -pthread ../gtkgl/.libs/libgtkgl-2.0.so -L/lib /usr/lib/libgtk-x11-2.0.so /usr/lib/libgdk-x11-2.0.so /usr/lib/libatk-1.0.so /usr/lib/libpangocairo-1.0.so /usr/lib/libpangoft2-1.0.so /usr/lib/libstdc++.so /usr/lib/libgdk_pixbuf-2.0.so /usr/lib/libgio-2.0.so -lresolv /usr/lib/libcairo.so /usr/lib/libpixman-1.so -lEGL /usr/lib/libdirectfb.so /usr/lib/libfusion.so /usr/lib/libdirect.so /usr/lib/libudev.so /usr/lib/libxcb-shm.so /usr/lib/libX11-xcb.so /usr/lib/libxcb-render.so /usr/lib/libXrender.so /usr/lib/libpng12.so /usr/lib/libpango-1.0.so /usr/lib/libfontconfig.so /usr/lib/libfreetype.so -lz -lbz2 /usr/lib/libexpat.so /usr/lib/libgobject-2.0.so /usr/lib/libgmodule-2.0.so /usr/lib/libgthread-2.0.so -lpthread /usr/lib/libglib-2.0.so /usr/lib/libpcre.so -lrt /usr/lib/libglut.so -lm /usr/lib/libXxf86vm.so /usr/lib/libXi.so /usr/lib/libXext.so /usr/lib/libX11.so /usr/lib/libxcb.so /usr/lib/libpthread-stubs.so /usr/lib/libXau.so /usr/lib/libXdmcp.so -ldl -lGL
zktor.o: In function `game_render':
zktor.c:(.text+0x2b77): undefined reference to `gluOrtho2D'
collect2: ld returned 1 exit status
make¹: Leaving directory `/usr/src/gtkglarea-1.99.0/examples'
make¹: * [zktor] Error 1
make: * [all-recursive] Error 1
! Problem Detected !