guile-1.8.3 Intel Mac Leopard compilation fails due to no off64_t

[Roger Mc Murtrie]

Compilation of guile-1.8.3  fports.c failed as the stat64 package in  
Mac OSX Leopard does not seem to declare off64_t.
only off_t seems to be declared.

From fstat64 man:

int
     fstat64(int fildes, struct stat64 *buf);

The buf argument is a pointer to a stat or stat64 structure as defined  
by <sys/stat.h>

     struct stat64 {
         dev_t           st_dev;           /* ID of device containing  
file */
         mode_t          st_mode;          /* Mode of file (see  
below) */
         nlink_t         st_nlink;         /* Number of hard links */
         ino64_t         st_ino;          /* File serial number */
         uid_t           st_uid;           /* User ID of the file */
         gid_t           st_gid;           /* Group ID of the file */
         dev_t           st_rdev;          /* Device ID */
         struct timespec st_atimespec;     /* time of last access */
         struct timespec st_mtimespec;     /* time of last data  
modification */
         struct timespec st_ctimespec;     /* time of last status  
change */
         struct timespec st_birthtimespec; /* time of file  
creation(birth) */
         off_t           st_size;          /* file size, in bytes */
         blkcnt_t        st_blocks;        /* blocks allocated for  
file */
         blksize_t       st_blksize;       /* optimal blocksize for I/ 
O */
         uint32_t        st_flags;         /* user defined flags for  
file */
         uint32_t        st_gen;           /* file generation number */
         int32_t         st_lspare;        /* RESERVED: DO NOT USE! */
         int64_t         st_qspare[2];     /* RESERVED: DO NOT USE! */
     };

HISTORY
     An lstat() function call appeared in 4.2BSD.  The stat64(),  
fstat64(), and lstat64() system calls first
     appeared in Mac OS X 10.5 (Leopard).

Note:
off_t           st_size;          /* file size, in bytes */
is the same as in the  struct stat

To get fports.c to compile:
In _scm.h  I changed
#define off_t_or_off64_t                CHOOSE_LARGEFILE(off_t,off64_t)
to
#define off_t_or_off64_t                off_t
and in fports.c fport_seek I changed
off64_t  to off_t

Possibly one of the many bugs in Mac OSX Leopard?

Regards
Roger

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