Please describe the problem:
make[4]: Entering directory `/tmp/spb-gtk+-2799/gtk+/modules/printbackends/cups'
if /bin/sh ../../../libtool --mode=compile gcc -DHAVE_CONFIG_H -I. -I. -I../../.. -I../../.. -I../../../gtk -I../../../gtk -I../../../gdk -I../../../gdk  -DGTK_PRINT_BACKEND_ENABLE_UNSUPPORTED -pthread -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/pango-1.0 -I/usr/include/cairo -I/usr/include/atk-1.0      -DG_DISABLE_CAST_CHECKS  -D_XOPEN_SOURCE=500 -I/usr/X11R71/include    -DG_DISABLE_DEPRECATED -I/usr/X11/include -march=athlon-xp -O2 -pipe -ggdb -Wall -MT gtkprintbackendcups.lo -MD -MP -MF ".deps/gtkprintbackendcups.Tpo" \
          -c -o gtkprintbackendcups.lo `test -f 'gtkprintbackendcups.c' || echo './'`gtkprintbackendcups.c; \
        then mv -f ".deps/gtkprintbackendcups.Tpo" ".deps/gtkprintbackendcups.Plo"; \
        else rm -f ".deps/gtkprintbackendcups.Tpo"; exit 1; \
        fi
 gcc -DHAVE_CONFIG_H -I. -I. -I../../.. -I../../.. -I../../../gtk -I../../../gtk -I../../../gdk -I../../../gdk -DGTK_PRINT_BACKEND_ENABLE_UNSUPPORTED -pthread -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/pango-1.0 -I/usr/include/cairo -I/usr/include/atk-1.0 -DG_DISABLE_CAST_CHECKS -D_XOPEN_SOURCE=500 -I/usr/X11R71/include -DG_DISABLE_DEPRECATED -I/usr/X11/include -march=athlon-xp -O2 -pipe -ggdb -Wall -MT gtkprintbackendcups.lo -MD -MP -MF .deps/gtkprintbackendcups.Tpo -c gtkprintbackendcups.c  -fPIC -DPIC -o .libs/gtkprintbackendcups.o
gtkprintbackendcups.c: In function '_cairo_write_to_cups':
gtkprintbackendcups.c:272: warning: pointer targets in passing argument 2 of 'g_io_channel_write_chars' differ in signedness
gtkprintbackendcups.c: In function 'cups_dispatch_watch_check':
gtkprintbackendcups.c:509: error: dereferencing pointer to incomplete type
gtkprintbackendcups.c:516: error: dereferencing pointer to incomplete type
gtkprintbackendcups.c:517: error: dereferencing pointer to incomplete type
gtkprintbackendcups.c: In function 'cups_request_printer_list_cb':
gtkprintbackendcups.c:1085: warning: implicit declaration of function 'strcasecmp'
make[4]: *** [gtkprintbackendcups.lo] Error 1
make[4]: Leaving directory `/tmp/spb-gtk+-2799/gtk+/modules/printbackends/cups'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/tmp/spb-gtk+-2799/gtk+/modules/printbackends'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/tmp/spb-gtk+-2799/gtk+/modules'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/spb-gtk+-2799/gtk+'
make: *** [all] Error 2

Steps to reproduce:
1. get cups 1.2.2 and gtk+ 2.10.1
2. type ./autogen.sh && make
3. 


Actual results:


Expected results:


Does this happen every time?


Other information: