+CF_TPUTS_PROTO
+CF_NCURSES_EXT_FUNCS
+
+if test "$cf_enable_widec" = yes
+then
+ # workaround for systems with ncurses before 20111029, due to change of
+ # feature test macro from _XPG5 to _XOPEN_SOURCE
+ if test -n "$cf_cv_ncurses_version" && test "x$cf_cv_ncurses_version" != xno
+ then
+ cf_define_xpg5=no
+ AC_MSG_CHECKING(if _XPG5 should be defined to enable wide-characters)
+
+ AC_TRY_COMPILE([
+#include <${cf_cv_ncurses_header:-curses.h}>],
+ [int x = _XPG5],,
+ [cf_save_cppflags="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -D_XPG5"
+ AC_TRY_COMPILE([
+#include <${cf_cv_ncurses_header:-curses.h}>],
+ [int x = _XPG5],
+ [cf_define_xpg5=yes])
+ CPPFLAGS="$cf_save_cppflags"])
+ AC_MSG_RESULT($cf_define_xpg5)
+
+ if test "$cf_define_xpg5" = yes
+ then
+ CPPFLAGS="$CPPFLAGS -D_XPG5"
+ fi
+ fi
+
+ AC_CACHE_CHECK(for wide-character functions,cf_cv_widechar_funcs,[
+ AC_TRY_LINK([
+#include <${cf_cv_ncurses_header:-curses.h}>],
+ [
+ static wchar_t src_wchar[2];
+ static cchar_t dst_cchar;
+ setcchar(&dst_cchar, src_wchar, A_NORMAL, 0, (void *) 0);
+ ],
+ [cf_cv_widechar_funcs=yes],
+ [cf_cv_widechar_funcs=no])
+ ])
+ if test "$cf_cv_widechar_funcs" != no ; then
+ AC_DEFINE(USE_WIDEC_SUPPORT,1,[Define to 1 to enable wide-character support in (n)curses])
+ else
+ AC_DEFINE(USE_WIDEC_SUPPORT,0)
+ fi
+else
+ AC_DEFINE(USE_WIDEC_SUPPORT,0)
+fi
+
+AC_CACHE_CHECK(if $cf_cv_screen library uses pthreads,cf_cv_use_pthreads,[