--- a/old-configure.in
+++ b/old-configure.in
@@ -3548,16 +3548,23 @@ MOZ_SYSTEM_SQLITE= )
 if test -n "$MOZ_SYSTEM_SQLITE"
 then
     dnl ============================
     dnl === SQLite Version check ===
     dnl ============================
     dnl Check to see if the system SQLite package is new enough.
     PKG_CHECK_MODULES(SQLITE, sqlite3 >= $SQLITE_VERSION)
 
+    dnl ==============================
+    dnl === SQLite fdatasync check ===
+    dnl ==============================
+    dnl Check to see if fdatasync is available
+    AC_CHECK_FUNCS(fdatasync, HAVE_FDATASYNC=1, HAVE_FDATASYNC=)
+    
+
     dnl ==================================
     dnl === SQLITE_SECURE_DELETE check ===
     dnl ==================================
     dnl Check to see if the system SQLite package is compiled with
     dnl SQLITE_SECURE_DELETE enabled.
     AC_MSG_CHECKING(for SQLITE_SECURE_DELETE support in system SQLite)
     _SAVE_CFLAGS="$CFLAGS"
     CFLAGS="$CFLAGS $SQLITE_CFLAGS"