diff --git a/xorriso/configure_ac.txt b/xorriso/configure_ac.txt
index 21ddb1d0..b4e4e424 100644
--- a/xorriso/configure_ac.txt
+++ b/xorriso/configure_ac.txt
@@ -80,6 +80,16 @@ TARGET_SHIZZLE
 AC_SUBST(ARCH)
 AC_SUBST(LIBBURN_ARCH_LIBS)
 
+
+dnl ts A90303
+dnl Check the preconditions for using statvfs() in sg-dummy
+dnl (sg-linux and sg-freebsd use statvfs() unconditionally)
+STATVFS_DEF=-DLibburn_os_has_statvfS
+AC_CHECK_HEADER(sys/statvfs.h, X=, STATVFS_DEF=)
+AC_CHECK_FUNC([statvfs], X=, STATVFS_DEF=)
+CFLAGS="$CFLAGS $STATVFS_DEF"
+
+
 dnl Add compiler-specific flags
 
 dnl See if the user wants aggressive optimizations of the code
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 977bb9e0..b5fe0f09 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2009.03.01.113444"
+#define Xorriso_timestamP "2009.03.03.103706"