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# LIBSSH2_CHECK_CONFIG ([DEFAULT-ACTION],[MIN-VERSION])

# ----------------------------------------------------------

#

# Checks for ssh2.  DEFAULT-ACTION is the string yes or no to

# specify whether to default to --with-ssh2 or --without-ssh2.

# If not supplied, DEFAULT-ACTION is no.

#

# This macro #defines HAVE_SSH2 if a required header files are

# found, and sets @SSH2_LDFLAGS@, @SSH2_CFLAGS@ and @SSH2_LIBS@

# to the necessary values.

#

# Users may override the detected values by doing something like:

# SSH2_LIBS="-lssh2" SSH2_CFLAGS="-I/usr/myinclude" ./configure

#

# This macro is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

​

AC_DEFUN([LIBSSH2_TRY_LINK],

[

AC_LINK_IFELSE([AC_LANG_PROGRAM([[

#include <libssh2.h>

]], [[

    LIBSSH2_SESSION *session;

    session = libssh2_session_init();

]])],[found_ssh2="yes"],[])

])dnl

​

dnl

dnl LIBSSH2_ACCEPT_VERSION([VERSION-HEADER],[MIN-VERSION])

dnl

AC_DEFUN([LIBSSH2_ACCEPT_VERSION],

[

    min_ssh2_maj=`expr $2 : '\([[0-9]]*\)'`

    min_ssh2_min=`expr $2 : '[[0-9]]*\.\([[0-9]]*\)'`

    min_ssh2_rev=`expr $2 : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`

​

    found_ssh2_version_num=`cat $1 | $EGREP \#define.*LIBSSH2_VERSION_NUM | $AWK '{print @S|@3;}'`

    min_ssh2_version_num=$(( "$min_ssh2_maj << 16 | $min_ssh2_min << 8 | $min_ssh2_rev" ))

​

    if test $((found_ssh2_version_num)) -ge $((min_ssh2_version_num)); then

        accept_ssh2_version="yes"

    else

        accept_ssh2_version="no"

    fi

])dnl

​

AC_DEFUN([LIBSSH2_CHECK_CONFIG],

[

  AC_ARG_WITH(ssh2,[If you want to use SSH2 based checks:

AS_HELP_STRING([--with-ssh2@<:@=DIR@:>@],[use SSH2 package @<:@default=no@:>@, DIR is the SSH2 library install directory.])],

    [

    if test "$withval" = "no"; then

        want_ssh2="no"

        _libssh2_dir="no"

    elif test "$withval" = "yes"; then

        want_ssh2="yes"

        _libssh2_dir="no"

    else

        want_ssh2="yes"

        _libssh2_dir=$withval

    fi

    accept_ssh2_version="no"