Buildroot,conflicting types for copy_file_range

./…/misc/create_inode.c:395:18: error: conflicting types for ‘copy_file_range’

static errcode_t copy_file_range(ext2_filsys fs, int fd, ext2_file_t e2_file,

^

In file included from ./…/misc/create_inode.c:19:0:

/usr/include/unistd.h:1110:9: note: previous declaration of ‘copy_file_range’ was here

ssize_t copy_file_range (int __infd, __off64_t *__pinoff,

^

解决办法：

buildroot-2017.02.3/output/build/host-e2fsprogs-1.43.3/misc/create_inode.c

屏蔽掉 #include <unistd.h>

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原文链接：https://blog.csdn.net/hktkfly6/article/details/123308632