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Changes between Initial Version and Version 1 of Ticket #44125, comment 23

initial	v1
1		Yeah, that's the problem with autoconf based approaches. A better approach might be to check if stat64 ~~was a weak symbol. If it is week, then perhaps HAVE_STAT64 should be 0 and a HAVE_WEAK_STAT64 be defined to 1. Code which builds based on the HAVE_STAT64 macro (which~~ just calls it unconditionally) will work by falling back to the old codepath even though stat64 is conditionally available. Similarly, it allows developers to conditionally use stat64 with runtime checks if they know what they're doing with HAVE_WEAK_STAT64.
	1	Yeah, that's the problem with autoconf based approaches. A better approach might be to check if stat64 is a weak symbol. If it is weak, then perhaps HAVE_STAT64 could be 0 and we could have a new macro (HAVE_WEAK_STAT64) defined to 1. Code which builds based on the HAVE_STAT64 macro (and just calls it unconditionally) will work by falling back to the old codepath even though stat64 is conditionally available. Similarly, it allows developers to conditionally use stat64 with runtime checks if they know what they're doing with HAVE_WEAK_STAT64.
2	2
3	3	But that's an autoconf bug, and autoconf is GPLv3, so I'm not going to touch it ;)