cc -c -I/usr/include/curses -D_REENTRANT -D_GNU_SOURCE
-DTHREADS_HAVE_PIDS -DDEBUGGING -fno-strict-aliasing -pipe
-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -march=i586
-mcpu=i686 -fmessage-length=0 -Wall -g -Wall -pipe
-DVERSION=\"1.13\" -DXS_VERSION=\"1.13\"
-fPIC "-I/usr/lib/perl5/5.8.6/i586-linux-thread-multi/CORE"
Curses.c

In file included from c-config.h:9,
                 from Curses.c:11:
/usr/include/ncurses.h:285: error: conflicting types for `WINDOW'
/usr/include/curses/curses.h:159: error: previous declaration of `WINDOW'