[PATCH v2 3/4] m4: checking if ssh_session_update_known_hosts() exists.

[Julio Faracco <jcfaracco@xxxxxxxxx>]

This commit adds some checks inside libssh m4 checking to verify if
ssh_session_update_known_hosts function is available. This new function
scope replaces the old ssh_write_knownhost() from libssh 0.8.0 and
below versions.

Signed-off-by: Julio Faracco <jcfaracco@xxxxxxxxx>
---
 m4/virt-libssh.m4 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/m4/virt-libssh.m4 b/m4/virt-libssh.m4
index 6eac84cfe7..f2a5aed3cc 100644
--- a/m4/virt-libssh.m4
+++ b/m4/virt-libssh.m4
@@ -41,6 +41,10 @@ AC_DEFUN([LIBVIRT_CHECK_LIBSSH],[
         [AC_DEFINE([HAVE_SSH_KNOWN_HOSTS_E], [1],
           [Defined if enum ssh_known_hosts_e exists in libssh.h])],
         [], [[#include <libssh/libssh.h>]])
+    AC_CHECK_FUNC([ssh_session_update_known_hosts],
+      [],
+      [AC_DEFINE_UNQUOTED([ssh_session_update_known_hosts], [ssh_write_knownhost],
+            [ssh_write_knownhost is deprecated and replaced by ssh_session_update_known_hosts.])])
     CFLAGS="$old_CFLAGS"
     LIBS="$old_LIBS"
   fi
-- 
2.19.1

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