$ uname -smrv
Linux 5.1.17 #7 SMP Wed Jul 10 08:35:08 UTC 2019 aarch64
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Codename: bionic
$ dpkg -l|fgrep libssh
ii libssh-4:arm64 0.8.0~20170825.94fa1e38-1ubuntu0.2 arm64 tiny C SSH library (OpenSSL flavor)
ii libssh-dev 0.8.0~20170825.94fa1e38-1ubuntu0.2 arm64 tiny C SSH library. Development files (OpenSSL flavor)
$ ./configure
...
libssh support yes
...
$ make
...
CC block/ssh.o
block/ssh.c: In function 'check_host_key_knownhosts':
block/ssh.c:281:28: error: storage size of 'state' isn't known
enum ssh_known_hosts_e state; ^~~~~
block/ssh.c:289:13: error: implicit declaration of function 'ssh_session_is_known_server' [-Werror=implicit-function-declaration]
state = ssh_session_is_known_server(s->session); ^~~~~~~~~~~~~~~~~~~~~~~~~~~
block/ssh.c:289:13: error: nested extern declaration of 'ssh_session_is_known_server' [-Werror=nested-externs]
block/ssh.c:293:10: error: 'SSH_KNOWN_HOSTS_OK' undeclared (first use in this function); did you mean 'SSH_OPTIONS_HOSTKEYS'?
case SSH_KNOWN_HOSTS_OK: ^~~~~~~~~~~~~~~~~~ SSH_OPTIONS_HOSTKEYS
block/ssh.c:293:10: note: each undeclared identifier is reported only once for each function it appears in
block/ssh.c:297:10: error: 'SSH_KNOWN_HOSTS_CHANGED' undeclared (first use in this function); did you mean 'SSH_KNOWN_HOSTS_OK'?
case SSH_KNOWN_HOSTS_CHANGED: ^~~~~~~~~~~~~~~~~~~~~~~ SSH_KNOWN_HOSTS_OK
block/ssh.c:301:48: error: 'SSH_PUBLICKEY_HASH_SHA256' undeclared (first use in this function); did you mean 'SSH_PUBLICKEY_HASH_SHA1'?
r = ssh_get_publickey_hash(pubkey, SSH_PUBLICKEY_HASH_SHA256, ^~~~~~~~~~~~~~~~~~~~~~~~~ SSH_PUBLICKEY_HASH_SHA1
block/ssh.c:307:27: error: implicit declaration of function 'ssh_get_fingerprint_hash'; did you mean 'ssh_get_pubkey_hash'? [-Werror=implicit-function-declaration] fingerprint = ssh_get_fingerprint_hash(SSH_PUBLICKEY_HASH_SHA256, ^~~~~~~~~~~~~~~~~~~~~~~~ ssh_get_pubkey_hash
block/ssh.c:307:27: error: nested extern declaration of 'ssh_get_fingerprint_hash' [-Werror=nested-externs]
block/ssh.c:324:10: error: 'SSH_KNOWN_HOSTS_OTHER' undeclared (first use in this function); did you mean 'SSH_KNOWN_HOSTS_OK'?
case SSH_KNOWN_HOSTS_OTHER: ^~~~~~~~~~~~~~~~~~~~~ SSH_KNOWN_HOSTS_OK
block/ssh.c:329:10: error: 'SSH_KNOWN_HOSTS_UNKNOWN' undeclared (first use in this function); did you mean 'SSH_KNOWN_HOSTS_CHANGED'?
case SSH_KNOWN_HOSTS_UNKNOWN: ^~~~~~~~~~~~~~~~~~~~~~~ SSH_KNOWN_HOSTS_CHANGED
block/ssh.c:333:10: error: 'SSH_KNOWN_HOSTS_NOT_FOUND' undeclared (first use in this function); did you mean 'SSH_KNOWN_HOSTS_UNKNOWN'?
case SSH_KNOWN_HOSTS_NOT_FOUND: ^~~~~~~~~~~~~~~~~~~~~~~~~ SSH_KNOWN_HOSTS_UNKNOWN
block/ssh.c:337:10: error: 'SSH_KNOWN_HOSTS_ERROR' undeclared (first use in this function); did you mean 'SSH_KNOWN_HOSTS_OTHER'?
case SSH_KNOWN_HOSTS_ERROR: ^~~~~~~~~~~~~~~~~~~~~ SSH_KNOWN_HOSTS_OTHER
block/ssh.c:281:28: error: unused variable 'state' [-Werror=unused-variable]
enum ssh_known_hosts_e state; ^~~~~
cc1: all warnings being treated as errors
rules.mak:69: recipe for target 'block/ssh.o' failed
make: *** [block/ssh.o] Error 1
$ uname -smrv
Linux 5.1.17 #7 SMP Wed Jul 10 08:35:08 UTC 2019 aarch64
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Codename: bionic
$ dpkg -l|fgrep libssh 94fa1e38- 1ubuntu0. 2 arm64 tiny C SSH library (OpenSSL flavor) 94fa1e38- 1ubuntu0. 2 arm64 tiny C SSH library. Development files (OpenSSL flavor)
ii libssh-4:arm64 0.8.0~20170825.
ii libssh-dev 0.8.0~20170825.
$ ./configure
...
libssh support yes
...
$ make host_key_ knownhosts' :
^~~~~ is_known_ server' [-Werror= implicit- function- declaration] is_known_ server( s->session) ;
^ ~~~~~~~ ~~~~~~~ ~~~~~~~ ~~~~~ is_known_ server' [-Werror= nested- externs] HOSTS_OK' undeclared (first use in this function); did you mean 'SSH_OPTIONS_ HOSTKEYS' ?
^~~~ ~~~~~~~ ~~~~~~~
SSH_ OPTIONS_ HOSTKEYS HOSTS_CHANGED' undeclared (first use in this function); did you mean 'SSH_KNOWN_ HOSTS_OK' ? HOSTS_CHANGED:
^~~~ ~~~~~~~ ~~~~~~~ ~~~~~
SSH_ KNOWN_HOSTS_ OK HASH_SHA256' undeclared (first use in this function); did you mean 'SSH_PUBLICKEY_ HASH_SHA1' ? publickey_ hash(pubkey, SSH_PUBLICKEY_ HASH_SHA256,
^ ~~~~~~~ ~~~~~~~ ~~~~~~~ ~~~
SSH_ PUBLICKEY_ HASH_SHA1 fingerprint_ hash'; did you mean 'ssh_get_ pubkey_ hash'? [-Werror= implicit- function- declaration]
fingerpri nt = ssh_get_ fingerprint_ hash(SSH_ PUBLICKEY_ HASH_SHA256,
^ ~~~~~~~ ~~~~~~~ ~~~~~~~ ~~
ssh_ get_pubkey_ hash fingerprint_ hash' [-Werror= nested- externs] HOSTS_OTHER' undeclared (first use in this function); did you mean 'SSH_KNOWN_ HOSTS_OK' ? HOSTS_OTHER:
^~~~ ~~~~~~~ ~~~~~~~ ~~~
SSH_ KNOWN_HOSTS_ OK HOSTS_UNKNOWN' undeclared (first use in this function); did you mean 'SSH_KNOWN_ HOSTS_CHANGED' ? HOSTS_UNKNOWN:
^~~~ ~~~~~~~ ~~~~~~~ ~~~~~
SSH_ KNOWN_HOSTS_ CHANGED HOSTS_NOT_ FOUND' undeclared (first use in this function); did you mean 'SSH_KNOWN_ HOSTS_UNKNOWN' ? HOSTS_NOT_ FOUND:
^~~~ ~~~~~~~ ~~~~~~~ ~~~~~~~
SSH_ KNOWN_HOSTS_ UNKNOWN HOSTS_ERROR' undeclared (first use in this function); did you mean 'SSH_KNOWN_ HOSTS_OTHER' ? HOSTS_ERROR:
^~~~ ~~~~~~~ ~~~~~~~ ~~~
SSH_ KNOWN_HOSTS_ OTHER unused- variable]
^~~~~
...
CC block/ssh.o
block/ssh.c: In function 'check_
block/ssh.c:281:28: error: storage size of 'state' isn't known
enum ssh_known_hosts_e state;
block/ssh.c:289:13: error: implicit declaration of function 'ssh_session_
state = ssh_session_
block/ssh.c:289:13: error: nested extern declaration of 'ssh_session_
block/ssh.c:293:10: error: 'SSH_KNOWN_
case SSH_KNOWN_HOSTS_OK:
block/ssh.c:293:10: note: each undeclared identifier is reported only once for each function it appears in
block/ssh.c:297:10: error: 'SSH_KNOWN_
case SSH_KNOWN_
block/ssh.c:301:48: error: 'SSH_PUBLICKEY_
r = ssh_get_
block/ssh.c:307:27: error: implicit declaration of function 'ssh_get_
block/ssh.c:307:27: error: nested extern declaration of 'ssh_get_
block/ssh.c:324:10: error: 'SSH_KNOWN_
case SSH_KNOWN_
block/ssh.c:329:10: error: 'SSH_KNOWN_
case SSH_KNOWN_
block/ssh.c:333:10: error: 'SSH_KNOWN_
case SSH_KNOWN_
block/ssh.c:337:10: error: 'SSH_KNOWN_
case SSH_KNOWN_
block/ssh.c:281:28: error: unused variable 'state' [-Werror=
enum ssh_known_hosts_e state;
cc1: all warnings being treated as errors
rules.mak:69: recipe for target 'block/ssh.o' failed
make: *** [block/ssh.o] Error 1