diff -Naur gsoap-2.7.orig/soapcpp2/stdsoap2.cpp gsoap-2.7/soapcpp2/stdsoap2.cpp
--- gsoap-2.7.orig/soapcpp2/stdsoap2.cpp	2006-06-23 16:01:00.000000000 +0200
+++ gsoap-2.7/soapcpp2/stdsoap2.cpp	2006-06-28 19:59:26.000000000 +0200
@@ -2013,7 +2013,11 @@
   for (xp = soap->xlist; xp; xp = xp->next)
   { if (xp->ptr && (char*)xp->ptr >= start && (char*)xp->ptr < end)
     { DBGLOG(TEST, SOAP_MESSAGE(fdebug, "Update id='%s' %p -> %p\n", xp->id?xp->id:"", xp->ptr, (char*)xp->ptr + (p1-p2)));
+#if __GNUC__ > 3
+      xp->ptr = (unsigned const char**)((char*)xp->ptr + (p1-p2));
+#else
       xp->ptr = (unsigned char**)((char*)xp->ptr + (p1-p2));
+#endif
       xp->size = (int*)((char*)xp->size + (p1-p2));
       xp->type = (char**)((char*)xp->type + (p1-p2));
       xp->options = (char**)((char*)xp->options + (p1-p2));