large file support and GetDiskFreeSpace gets wrong info on > 2GB disks

Marcus Meissner meissner at
Tue Sep 27 06:19:08 CDT 2005

On Tue, Sep 27, 2005 at 03:32:48PM +0530, Vijay Kiran Kamuju wrote:
> Hi Alexander
> We should add the following lines to the configure script to check for
> large file support in the kernel. As the GetDiskFreeSpace gets wrong
> information regarding the disk space on disks > 2GB.
> dnl This test must come as early as possible after the compiler configuration
> dnl tests, because the choice of the file model can (in principle) affect
> dnl whether functions and headers are available, whether they work, etc.
> CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=${ac_cv_sys_file_offset_bits}"
> AC_CHECK_SIZEOF(off_t, 64, [
> 	#include <stdio.h>
> 	#include <sys/types.h>
> 	#include <unistd.h>
> ])

AC_SYS_LARGEFILE might be sufficient.

Ciao, Marcus

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