undefined reference to symbol 'SHA256_Init'

[Siddhesh Poyarekar]

On Sun, May 23, 2010 at 12:58:32AM +0200, Uwe Kubosch wrote:
>    Thank you for your reply.  I was able to fix the immediate error by
>    linking with libcrypto as suggested.
>    Now I get
> 
>  gcc -o cmd/zdb/zdb -pipe -Wall -s cmd/zdb/zdb.o cmd/zdb/zdb_il.o cmd/zdb/ptrace.o lib/libavl/libavl.a lib/libnvpair/libnvpair-user.a lib/libumem/libumem.a lib/libzfs/libzfs.a lib/libzpool/libzpool-user.a lib/libzfscommon/libzfscommon-user.a lib/libuutil/libuutil.a lib/libsolcompat/libsolcompat.a -lrt -lpthread -ldl -lz -lm -laio -lssl -lcrypto
>  lib/libzfs/libzfs.a(libzfs_pool.o): In function `zpool_valid_proplist':
>  libzfs_pool.c:(.text+0x3355): undefined reference to `S_ISDIR'
> 

You need to #include <sys/stat.h> in libzfs_pool.c.

Siddhesh