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5f2de00e2c
_GNU_SOURCE Implies _LARGEFILE64_SOURCE in glibc, but in musl, the
default configuration doesn't enable _LARGEFILE64_SOURCE.
>From include/dirent.h of musl, getdents64 is provided as getdents when
_LARGEFILE64_SOURCE is defined.
#if defined(_LARGEFILE64_SOURCE)
...
#define getdents64 getdents
#endif
Let's define _LARGEFILE64_SOURCE to fix up this compile error:
tools/testing/selftests/nolibc/nolibc-test.c: In function ‘test_getdents64’:
tools/testing/selftests/nolibc/nolibc-test.c:453:8: warning: implicit declaration of function ‘getdents64’; did you mean ‘getdents’? [-Wimplicit-function-declaration]
453 | ret = getdents64(fd, (void *)buffer, sizeof(buffer));
| ^~~~~~~~~~
| getdents
/usr/bin/ld: /tmp/ccKILm5u.o: in function `test_getdents64':
nolibc-test.c:(.text+0xe3e): undefined reference to `getdents64'
collect2: error: ld returned 1 exit status
Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.