syscall: build without AT_SYMLINK_NOFOLLOW#1026
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@tridge Should certainly be in 3.5 |
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Addresses the upstream portion of #1025.
do_lstat_at()selected itsfstatat()implementation whenever symlink support was enabled. Older systems such as macOS 10.6 support symlinks but do not defineAT_FDCWDorAT_SYMLINK_NOFOLLOWso the unconditional reference toAT_SYMLINK_NOFOLLOWpreventedsyscall.cfrom compiling. This falls back todo_lstat()unless bothAT_FDCWDandAT_SYMLINK_NOFOLLOWare available. The same availability check is applied todo_lchown_at()because itsfchownat()implementation also requiresAT_SYMLINK_NOFOLLOW.