$NetBSD: patch-ab,v 1.2 2018/10/23 11:45:34 bsiegert Exp $

--- src/hunspell/phonet.cxx.orig	2017-09-03 11:38:44.000000000 +0000
+++ src/hunspell/phonet.cxx
@@ -35,6 +35,15 @@
 #include "csutil.hxx"
 #include "phonet.hxx"
 
+#ifdef __SUNPRO_CC
+using std::isalpha;
+using std::isdigit;
+using std::strchr;
+using std::strcpy;
+using std::strlen;
+using std::strstr;
+#endif
+
 void init_phonet_hash(phonetable& parms) {
   for (int i = 0; i < HASHSIZE; i++) {
     parms.hash[i] = -1;