Someone

make[2]: Entering directory `/home/dm/Desktop/nostromo_n50-1.3/src'
g++  -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/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/libxml2    -DIMG_PATH=\"/usr/share/pixmaps\"  -lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lm -lpangocairo-1.0 -lfontconfig -lXext -lXrender -lXinerama -lXi -lXrandr -lXcursor -lXfixes -lpango-1.0 -lcairo -lX11 -lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0 -lxml2   -lfltk -lXtst -lpthread   -o nostromo_config  ui_support.o save.o load.o NewMapWindow.o ui.o -lfltk 
/usr/bin/ld: cannot find -lXtst
collect2: ld returned 1 exit status
make[2]: *** [nostromo_config] Error 1
make[2]: Leaving directory `/home/dm/Desktop/nostromo_n50-1.3/src'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/dm/Desktop/nostromo_n50-1.3/src'
make: *** [all-recursive] Error 1
dm@dm-laptop:~/Desktop/nostromo_n50-1.3$