On Oct 16, 2008, at 6:12 PM, Charles Marcus wrote:
Probably compiled with 32bit off_t, which prevents opening files >2GB. Compiling with 64bit off_t should be pretty easy with Linux, but I don't know if Postfix can be configured to do that without modifying Makefilemanually (-D_FILE_OFFSET_BITS=64).Ah, thanks for the correction/explanation... I guess then that this is essentially a 32-bit filesystem limitation?
No.
Orare you saying that you could still compile postfix like this even on a32 bit system?
Yes. The problem is that you need to be able to seek in files, so you have this off_t type for storing the file offset. Normally it's signed 32bit in 32bit systems, so the file sizes are limited to 2 GB. But Linux and Solaris at least support easily recompiling with 64bit off_t.
I'm also guessing that postfix running on a 64 bit system would normallybe compiled this way...?
With 64bit systems off_t is always 64bit.
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