+for ac_header in ncurses/ncurses.h
+do :
+ ac_fn_c_check_header_mongrel "$LINENO" "ncurses/ncurses.h" "ac_cv_header_ncurses_ncurses_h" "$ac_includes_default"
+if test "x$ac_cv_header_ncurses_ncurses_h" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_NCURSES_NCURSES_H 1
+_ACEOF
+ have_ncurses_ncurses_h=yes
+fi
+
+done
+
+ fi
+fi
+
+if test "$LIBDSK" != ""; then
+ DEVICE="libdsk"
+ CPPFLAGS="$CPPFLAGS -I$LIBDSK/include"
+ CFLAGS="$CFLAGS -I$LIBDSK/include $CFLAGS_LIBDSK"
+ LDFLAGS="$LDFLAGS -L$LIBDSK/lib"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dsk_open in -ldsk" >&5
+$as_echo_n "checking for dsk_open in -ldsk... " >&6; }
+if ${ac_cv_lib_dsk_dsk_open+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldsk $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dsk_open ();
+int
+main ()
+{
+return dsk_open ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_dsk_dsk_open=yes
+else
+ ac_cv_lib_dsk_dsk_open=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dsk_dsk_open" >&5
+$as_echo "$ac_cv_lib_dsk_dsk_open" >&6; }
+if test "x$ac_cv_lib_dsk_dsk_open" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBDSK 1
+_ACEOF
+
+ LIBS="-ldsk $LIBS"
+
+fi
+
+ for ac_header in libdsk.h