diff -ruN pwlib.orig/files/patch-src-ptlib-unix-svcproc.cxx pwlib/files/patch-src-ptlib-unix-svcproc.cxx
--- pwlib.orig/files/patch-src-ptlib-unix-svcproc.cxx	Wed Dec 31 19:00:00 1969
+++ pwlib/files/patch-src-ptlib-unix-svcproc.cxx	Mon Mar 12 17:25:16 2007
@@ -0,0 +1,26 @@
+--- src/ptlib/unix/svcproc.cxx.orig	Mon Mar 12 17:03:44 2007
++++ src/ptlib/unix/svcproc.cxx	Mon Mar 12 17:04:53 2007
+@@ -388,7 +388,7 @@
+ #elif defined(BE_THREADS)
+       thread_id tid = ::find_thread(NULL);
+ #else
+-      unsigned tid = (unsigned) pthread_self();
++      unsigned long tid = (unsigned long) pthread_self();
+ #endif
+       *out << "ThreadID=0x"
+            << setfill('0') << ::hex
+@@ -938,12 +938,12 @@
+ #elif defined(BE_THREADS)
+   thread_id tid = ::find_thread(NULL);
+ #else
+-  unsigned tid = (unsigned) pthread_self();
++  unsigned long tid = (unsigned long) pthread_self();
+ #endif
+   PThread * thread_ptr = activeThreads.GetAt(tid);
+ 
+   char msg[200];
+-  sprintf(msg, "\nCaught %s, thread_id=%u", sigmsg, tid);
++  sprintf(msg, "\nCaught %s, thread_id=%xu", sigmsg, tid);
+ 
+   if (thread_ptr != NULL) {
+     PString thread_name = thread_ptr->GetThreadName();