Index: src/sqliteInt.h
==================================================================
--- src/sqliteInt.h
+++ src/sqliteInt.h
@@ -9,14 +9,43 @@
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
 ** Internal interface definitions for SQLite.
 **
-** @(#) $Id: sqliteInt.h,v 1.615 2007/10/23 15:39:45 drh Exp $
+** @(#) $Id: sqliteInt.h,v 1.616 2007/10/23 15:51:27 drh Exp $
 */
 #ifndef _SQLITEINT_H_
 #define _SQLITEINT_H_
+
+/*
+** These #defines should enable >2GB file support on Posix if the
+** underlying operating system supports it.  If the OS lacks
+** large file support, or if the OS is windows, these should be no-ops.
+**
+** Ticket #2739:  The _LARGEFILE_SOURCE macro must appear before any
+** system #includes.  Hence, this block of code must be the very first
+** code in all source files.
+**
+** Large file support can be disabled using the -DSQLITE_DISABLE_LFS switch
+** on the compiler command line.  This is necessary if you are compiling
+** on a recent machine (ex: RedHat 7.2) but you want your code to work
+** on an older machine (ex: RedHat 6.0).  If you compile on RedHat 7.2
+** without this option, LFS is enable.  But LFS does not exist in the kernel
+** in RedHat 6.0, so the code won't work.  Hence, for maximum binary
+** portability you should omit LFS.
+**
+** Similar is true for MacOS.  LFS is only supported on MacOS 9 and later.
+*/
+#ifndef SQLITE_DISABLE_LFS
+# define _LARGE_FILE       1
+# ifndef _FILE_OFFSET_BITS
+#   define _FILE_OFFSET_BITS 64
+# endif
+# define _LARGEFILE_SOURCE 1
+#endif
+
+
 #include "sqliteLimit.h"
 
 /*
 ** For testing purposes, the various size limit constants are really
 ** variables that we can modify in the testfixture.
@@ -101,33 +130,10 @@
 */
 #if !defined(NDEBUG) && !defined(SQLITE_DEBUG) 
 # define NDEBUG 1
 #endif
 
-/*
-** These #defines should enable >2GB file support on Posix if the
-** underlying operating system supports it.  If the OS lacks
-** large file support, or if the OS is windows, these should be no-ops.
-**
-** Large file support can be disabled using the -DSQLITE_DISABLE_LFS switch
-** on the compiler command line.  This is necessary if you are compiling
-** on a recent machine (ex: RedHat 7.2) but you want your code to work
-** on an older machine (ex: RedHat 6.0).  If you compile on RedHat 7.2
-** without this option, LFS is enable.  But LFS does not exist in the kernel
-** in RedHat 6.0, so the code won't work.  Hence, for maximum binary
-** portability you should omit LFS.
-**
-** Similar is true for MacOS.  LFS is only supported on MacOS 9 and later.
-*/
-#ifndef SQLITE_DISABLE_LFS
-# define _LARGE_FILE       1
-# ifndef _FILE_OFFSET_BITS
-#   define _FILE_OFFSET_BITS 64
-# endif
-# define _LARGEFILE_SOURCE 1
-#endif
-
 #include "sqlite3.h"
 #include "hash.h"
 #include "parse.h"
 #include <stdio.h>
 #include <stdlib.h>

Index: tool/mksqlite3c.tcl
==================================================================
--- tool/mksqlite3c.tcl
+++ tool/mksqlite3c.tcl
@@ -103,11 +103,11 @@
    vdbe.h
    vdbeInt.h
 } {
   set available_hdr($hdr) 1
 }
-set available_hdr(sqlite3.h) 0
+set available_hdr(sqliteInt.h) 0
 
 # 78 stars used for comment formatting.
 set s78 \
 {*****************************************************************************}
 
@@ -193,11 +193,11 @@
 # Process the source files.  Process files containing commonly
 # used subroutines first in order to help the compiler find
 # inlining opportunities.
 #
 foreach file {
-   sqlite3.h
+   sqliteInt.h
 
    date.c
    os.c
 
    mem1.c