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In glibc, getcwd() handles long file names properly, on musl, getcwd() only works up to PATH_MAX directory depths. Configuring the autotools (gnulib) test result here allows coreutils to compile more optimised code for both platforms, rather than being pessimistic and re-implementing everything itself. The difference in behaviour is because both do the kernel getcwd syscall (which only supports up to PATH_MAX), but glibc implements fallbacks for longer paths, while musl doesn't. (From OE-Core rev: 525e33cf99983ee4bc3cf1822364123551aa7c83) Signed-off-by: André Draszik <git@andred.net> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>