bpo-31919: Fix building the curses module on OpenIndiana. (#4211)
diff --git a/configure b/configure
index 00cfd64..30df2ce 100755
--- a/configure
+++ b/configure
@@ -15912,6 +15912,36 @@
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for wchgat" >&5
+$as_echo_n "checking for wchgat... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <curses.h>
+int
+main ()
+{
+
+#ifndef wchgat
+void *x=wchgat
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+$as_echo "#define HAVE_CURSES_WCHGAT 1" >>confdefs.h
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for filter" >&5
$as_echo_n "checking for filter... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext