diff -ur tardy-1.17.orig/common/arglex.cc tardy-1.17/common/arglex.cc
--- tardy-1.17.orig/common/arglex.cc	2008-06-23 05:50:02.000000000 +0300
+++ tardy-1.17/common/arglex.cc	2009-08-09 19:46:21.000000000 +0300
@@ -418,7 +418,7 @@
         {
             char    *eqp;
 
-            eqp = strchr(arg, '=');
+            eqp = const_cast<char*> (strchr(arg, '='));
             if (eqp)
             {
                 pushback = eqp + 1;
diff -ur tardy-1.17.orig/common/trace.cc tardy-1.17/common/trace.cc
--- tardy-1.17.orig/common/trace.cc	2008-06-23 05:50:02.000000000 +0300
+++ tardy-1.17/common/trace.cc	2009-08-09 19:48:36.000000000 +0300
@@ -256,7 +256,7 @@
     trace_printf("%s = '", name);
     if (*vp < ' ' || *vp > '~' || strchr("(){}[]", *vp))
     {
-        char    *s;
+        const char    *s;
 
         s = strchr("\bb\nn\tt\rr\ff", *vp);
         if (s)
@@ -283,7 +283,7 @@
     trace_printf("%s = '", name);
     if (*vp < ' ' || *vp > '~' || strchr("(){}[]", *vp))
     {
-        char    *s;
+        const char    *s;
 
         s = strchr("\bb\nn\tt\rr\ff", *vp);
         if (s)
@@ -400,7 +400,7 @@
         c = *s;
         if (c < ' ' || c > '~')
         {
-            char    *cp;
+            const char    *cp;
 
             cp = strchr("\bb\ff\nn\rr\tt", c);
             if (cp)