From 9dbbba997608f7c3c5de1c627c77c8cd2aa85b73 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Sun, 9 Nov 2014 15:42:12 +0100
Subject: [PATCH] libssh2: detect features based on version, not configure
 checks

... so that non-configure builds get the correct functions too based on
the libssh2 version used.
---
 configure.ac |  6 ------
 lib/easy.c   |  1 +
 lib/ssh.c    |  7 -------
 lib/ssh.h    | 30 +++++++++++++++++++++---------
 4 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/configure.ac b/configure.ac
index d37fd92fb..0ad8fc964 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2332,12 +2332,6 @@ if test X"$OPT_LIBSSH2" != Xno; then
        dnl linker doesn't search through, we need to add it to LD_LIBRARY_PATH
        dnl to prevent further configure tests to fail due to this
 
-       dnl libssh2_version is a post 1.0 addition
-       dnl libssh2_init and libssh2_exit were added in 1.2.5
-       dnl libssh2_scp_send64 was added in 1.2.6
-       dnl libssh2_session_handshake was added in 1.2.8
-       AC_CHECK_FUNCS( libssh2_version libssh2_init libssh2_exit \
-                       libssh2_scp_send64 libssh2_session_handshake)
        if test "x$cross_compiling" != "xyes"; then
          LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$DIR_SSH2"
          export LD_LIBRARY_PATH
diff --git a/lib/easy.c b/lib/easy.c
index 5ce2d5827..5f14fede3 100644
--- a/lib/easy.c
+++ b/lib/easy.c
@@ -74,6 +74,7 @@
 #include "conncache.h"
 #include "multiif.h"
 #include "sigpipe.h"
+#include "ssh.h"
 
 #define _MPRINTF_REPLACE /* use our functions only */
 #include <curl/mprintf.h>
diff --git a/lib/ssh.c b/lib/ssh.c
index 6fefe8aee..ba26eef72 100644
--- a/lib/ssh.c
+++ b/lib/ssh.c
@@ -99,13 +99,6 @@
 #  endif
 #endif
 
-/* Feature detection based on version numbers to better work with
-   non-configure platforms */
-#if LIBSSH2_VERSION_NUM >= 0x010206
-/* libssh2_knownhost_checkp was added in 1.2.6 */
-#define HAVE_LIBSSH2_KNOWNHOST_CHECKP
-#endif
-
 #ifndef PATH_MAX
 #define PATH_MAX 1024 /* just an extra precaution since there are systems that
                          have their definition hidden well */
diff --git a/lib/ssh.h b/lib/ssh.h
index ff2e16be9..1bc334857 100644
--- a/lib/ssh.h
+++ b/lib/ssh.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -158,22 +158,34 @@ struct ssh_conn {
 
 #ifdef USE_LIBSSH2
 
+/* Feature detection based on version numbers to better work with
+   non-configure platforms */
+
 #if !defined(LIBSSH2_VERSION_NUM) || (LIBSSH2_VERSION_NUM < 0x001000)
 #  error "SCP/SFTP protocols require libssh2 0.16 or later"
 #endif
 
-#if defined(LIBSSH2_VERSION_NUM) && (LIBSSH2_VERSION_NUM >= 0x010000)
-#  define HAVE_LIBSSH2_SFTP_SEEK64 1
-#else
-#  undef HAVE_LIBSSH2_SFTP_SEEK64
+#if LIBSSH2_VERSION_NUM >= 0x010000
+#define HAVE_LIBSSH2_SFTP_SEEK64 1
 #endif
 
-#if defined(LIBSSH2_VERSION_NUM) && (LIBSSH2_VERSION_NUM >= 0x010206)
-#  define HAVE_LIBSSH2_SCP_SEND64 1
-#else
-#  undef HAVE_LIBSSH2_SCP_SEND64
+#if LIBSSH2_VERSION_NUM >= 0x010100
+#define HAVE_LIBSSH2_VERSION 1
 #endif
 
+#if LIBSSH2_VERSION_NUM >= 0x010205
+#define HAVE_LIBSSH2_INIT 1
+#define HAVE_LIBSSH2_EXIT 1
+#endif
+
+#if LIBSSH2_VERSION_NUM >= 0x010206
+#define HAVE_LIBSSH2_KNOWNHOST_CHECKP 1
+#define HAVE_LIBSSH2_SCP_SEND64 1
+#endif
+
+#if LIBSSH2_VERSION_NUM >= 0x010208
+#define HAVE_LIBSSH2_SESSION_HANDSHAKE 1
+#endif
 
 extern const struct Curl_handler Curl_handler_scp;
 extern const struct Curl_handler Curl_handler_sftp;