--- libstdc++-v3/testsuite/lib/libstdc++.exp.orig	2020-03-04 19:30:04.000000000 +1100
+++ libstdc++-v3/testsuite/lib/libstdc++.exp	2020-09-09 22:54:42.035750000 +1000
@@ -920,7 +920,7 @@
       puts $f "{"
       puts $f "    char *result = new char\[50\];"
       puts $f "    strcpy(result, name);"
-      puts $f "#if defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__"
+      puts $f "#if defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__ || defined __BSDSUniX__"
       puts $f "    /* fall-through */"
       puts $f "#else"
       puts $f "    if (strstr(result, \"ISO8859-15\")) {"