diff -urN systemtap-1.6.org/cache.cxx systemtap-1.6/cache.cxx
--- systemtap-1.6.org/cache.cxx	2011-07-25 20:12:01.000000000 +0200
+++ systemtap-1.6/cache.cxx	2014-02-22 21:58:23.000000000 +0100
@@ -22,6 +22,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <glob.h>
+#include <unistd.h>
 }
 
 using namespace std;
diff -urN systemtap-1.6.org/csclient.cxx systemtap-1.6/csclient.cxx
--- systemtap-1.6.org/csclient.cxx	2011-07-25 20:12:01.000000000 +0200
+++ systemtap-1.6/csclient.cxx	2014-02-22 22:00:35.000000000 +0100
@@ -33,6 +33,7 @@
 #include <netdb.h>
 #include <arpa/inet.h>
 #include <pwd.h>
+#include <unistd.h>
 }
 
 #if HAVE_AVAHI
diff -urN systemtap-1.6.org/session.cxx systemtap-1.6/session.cxx
--- systemtap-1.6.org/session.cxx	2011-07-25 20:12:01.000000000 +0200
+++ systemtap-1.6/session.cxx	2014-02-22 21:51:03.000000000 +0100
@@ -30,6 +30,8 @@
 #include <sys/stat.h>
 #include <sys/utsname.h>
 #include <elfutils/libdwfl.h>
+#include <sys/types.h>
+#include <unistd.h>
 }
 
 #if HAVE_NSS
diff -urN systemtap-1.6.org/translate.cxx systemtap-1.6/translate.cxx
--- systemtap-1.6.org/translate.cxx	2011-07-25 20:12:01.000000000 +0200
+++ systemtap-1.6/translate.cxx	2014-02-22 21:52:33.000000000 +0100
@@ -5569,7 +5569,7 @@
 
   ofstream kallsyms_out ((s.tmpdir + "/" + symfile).c_str());
 
-  unwindsym_dump_context ctx = { s, kallsyms_out, 0, ~0, s.unwindsym_modules };
+  unwindsym_dump_context ctx = { s, kallsyms_out, 0, ~0LU, s.unwindsym_modules };
 
   // Micro optimization, mainly to speed up tiny regression tests
   // using just begin probe.