Provide a configure switch for libssh.

default is enabled

configure.in

@@ -130,7 +130,8 @@ vtbdecoder_enabled="== VTBDecoder support enabled. =="
 vtbdecoder_disabled="== VTBDecoder support manually disabled. =="
 openmax_disabled="== OpenMax support manually disabled. =="
 openmax_not_found="== Could not find libnvomx. OpenMax support disabled. =="
-ssh_not_found="== Could not find libssh. SSH FTP VFS support disabled. =="
+ssh_not_found="== Could not find libssh. =="
+ssh_disabled="== SSH SFTP disabled. =="
 librtmp_not_found="== Could not find libRTMP. RTMP support disabled. =="
 librtmp_disabled="== RTMP support disabled. =="
 libnfs_not_found="== Could not find libnfs. NFS client support disabled. =="
@@ -331,6 +332,12 @@ AC_ARG_ENABLE([pulse],
   [use_pulse=$enableval],
   [use_pulse=no])
 
+AC_ARG_ENABLE([ssh],
+  [AS_HELP_STRING([--disable-ssh],
+  [enable SSH SFTP support (default is enabled)])],
+  [use_ssh=$enableval],
+  [use_ssh=yes])
+
 AC_ARG_ENABLE([rtmp],
   [AS_HELP_STRING([--enable-rtmp],
   [enable RTMP support via librtmp (default is auto)])],
@@ -931,7 +938,6 @@ AC_CHECK_LIB([ssl],         [main],, AC_MSG_ERROR($missing_library))
 if test "$use_mysql" = "yes"; then
   AC_CHECK_LIB([mysqlclient], [main],, AC_MSG_ERROR($missing_library))
 fi
-AC_CHECK_LIB([ssh],         [sftp_tell64],, AC_MSG_RESULT([Could not find suitable version of libssh]))
 AC_CHECK_LIB([bluetooth],   [hci_devid],, AC_MSG_RESULT([Could not find suitable version of libbluetooth]))
 AC_CHECK_LIB([yajl],        [main],, AC_MSG_ERROR($missing_library))
 AC_CHECK_LIB([tinyxml],     [main],, AC_MSG_ERROR($missing_library))
@@ -1242,6 +1248,14 @@ else
   USE_SKIN_TOUCHED=0
 fi
 
+# libssh
+if test "x$use_ssh" = "xno"; then
+  AC_MSG_NOTICE($ssh_disabled)
+  use_libssh="no"
+else
+  AC_CHECK_LIB([ssh], [sftp_tell64],, AC_MSG_ERROR($ssh_not_found))
+  AC_DEFINE([HAVE_LIBSSH], [1], [Whether to use libSSH library.])
+fi
 
 # libRTMP
 if test "$use_librtmp" != "no"; then
@@ -2144,6 +2158,12 @@ else
   USE_WEB_SERVER=0
 fi
 
+if test "$use_libssh" != "no"; then
+  final_message="$final_message\n  libssh support:\tYes"
+else
+  final_message="$final_message\n  libssh support:\tNo"
+fi
+
 if test "$use_librtmp" != "no"; then
   final_message="$final_message\n  libRTMP support:\tYes"
 else

docs/README.linux

@@ -53,7 +53,7 @@ Build-Depends: autoconf, automake, autopoint, autotools-dev, cmake, curl,
   libmysqlclient-dev, libnfs-dev, libogg-dev, libpcre3-dev, libplist-dev,
   libpng12-dev | libpng-dev, libpostproc-dev, libpulse-dev, librtmp-dev,
   libsamplerate-dev, libsdl-dev, libsdl-image1.2-dev, libsdl-mixer1.2-dev,
-  libshairport-dev, libsmbclient-dev, libsqlite3-dev, libssl-dev,
+  libshairport-dev, libsmbclient-dev, libsqlite3-dev, libssh-dev, libssl-dev,
   libswscale-dev, libtinyxml-dev, libtool, libudev-dev, libusb-dev, libva-dev,
   libvdpau-dev, libvorbis-dev, libxinerama-dev, libxmu-dev, libxrandr-dev,
   libxt-dev, libyajl-dev, lsb-release, nasm [!amd64], python-dev,