diff -rauN ding-libs-0.6.1/ini/ini_validators_ut_check.c ding-libs-0.6.1-ini_validators_ut_check-glibc-2.28-patch/ini/ini_validators_ut_check.c
--- ding-libs-0.6.1/ini/ini_validators_ut_check.c	2017-09-07 17:24:13.000000000 +0200
+++ ding-libs-0.6.1-ini_validators_ut_check-glibc-2.28-patch/ini/ini_validators_ut_check.c	2018-09-17 13:13:29.989999949 +0200
@@ -602,11 +602,31 @@
     fail_unless(ret == 0, "Got msg: [%s]", errmsg);
     ini_errobj_next(errobj);
 
+    /* Different versions of libc produce slightly different error strings
+     * in this case. For simplicity compare against all of them. */
     errmsg = ini_errobj_get_msg(errobj);
     ret = strcmp(errmsg,
                  "[rule/options_for_foo]: Cannot compile regular expression "
                  "from option 'section_re'. "
                  "Error: 'Unmatched [ or [^'");
+     if (ret != 0) {
+         ret = strcmp(errmsg,
+                     "[rule/options_for_foo]: Cannot compile regular expression "
+                     "from option 'section_re'. "
+                     "[rule/options_for_foo]: Cannot compile regular "
+		     "expression from option 'section_re'. "
+                      "Error: 'brackets ([ ]) not balanced'");
+     }
+    if (ret != 0) {
+         ret = strcmp(errmsg,
+                     "[rule/options_for_foo]: Cannot compile regular "
+		     "expression from option 'section_re'. "
+		     "Error: 'Unmatched [, [^, [:, [., or [='");
+    }
+     fail_unless(ret == 0, "Got msg: [%s]", errmsg);
+     ini_errobj_next(errobj);
+ 
+                 
     fail_unless(ret == 0, "Got msg: [%s]", errmsg);
     ini_errobj_next(errobj);