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#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 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
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
# Find the libssh library
#
# Input variables:
#
# - `LIBSSH_INCLUDE_DIR`: The libssh include directory.
# - `LIBSSH_LIBRARY`: Path to libssh library.
#
# Result variables:
#
# - `LIBSSH_FOUND`: System has libssh.
# - `LIBSSH_INCLUDE_DIRS`: The libssh include directories.
# - `LIBSSH_LIBRARIES`: The libssh library names.
# - `LIBSSH_LIBRARY_DIRS`: The libssh library directories.
# - `LIBSSH_PC_REQUIRES`: The libssh pkg-config packages.
# - `LIBSSH_CFLAGS`: Required compiler flags.
# - `LIBSSH_VERSION`: Version of libssh.
set(LIBSSH_PC_REQUIRES "libssh")
if(CURL_USE_PKGCONFIG AND
NOT DEFINED LIBSSH_INCLUDE_DIR AND
NOT DEFINED LIBSSH_LIBRARY)
find_package(PkgConfig QUIET)
pkg_check_modules(LIBSSH ${LIBSSH_PC_REQUIRES})
endif()
if(LIBSSH_FOUND)
set(Libssh_FOUND TRUE)
string(REPLACE ";" " " LIBSSH_CFLAGS "${LIBSSH_CFLAGS}")
message(STATUS "Found Libssh (via pkg-config): ${LIBSSH_INCLUDE_DIRS} (found version \"${LIBSSH_VERSION}\")")
else()
find_path(LIBSSH_INCLUDE_DIR NAMES "libssh/libssh.h")
find_library(LIBSSH_LIBRARY NAMES "ssh" "libssh")
unset(LIBSSH_VERSION CACHE)
if(LIBSSH_INCLUDE_DIR AND EXISTS "${LIBSSH_INCLUDE_DIR}/libssh/libssh_version.h")
set(_version_regex1 "#[\t ]*define[\t ]+LIBSSH_VERSION_MAJOR[\t ]+([0-9]+).*")
set(_version_regex2 "#[\t ]*define[\t ]+LIBSSH_VERSION_MINOR[\t ]+([0-9]+).*")
set(_version_regex3 "#[\t ]*define[\t ]+LIBSSH_VERSION_MICRO[\t ]+([0-9]+).*")
file(STRINGS "${LIBSSH_INCLUDE_DIR}/libssh/libssh_version.h" _version_str1 REGEX "${_version_regex1}")
file(STRINGS "${LIBSSH_INCLUDE_DIR}/libssh/libssh_version.h" _version_str2 REGEX "${_version_regex2}")
file(STRINGS "${LIBSSH_INCLUDE_DIR}/libssh/libssh_version.h" _version_str3 REGEX "${_version_regex3}")
string(REGEX REPLACE "${_version_regex1}" "\\1" _version_str1 "${_version_str1}")
string(REGEX REPLACE "${_version_regex2}" "\\1" _version_str2 "${_version_str2}")
string(REGEX REPLACE "${_version_regex3}" "\\1" _version_str3 "${_version_str3}")
set(LIBSSH_VERSION "${_version_str1}.${_version_str2}.${_version_str3}")
unset(_version_regex1)
unset(_version_regex2)
unset(_version_regex3)
unset(_version_str1)
unset(_version_str2)
unset(_version_str3)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Libssh
REQUIRED_VARS
LIBSSH_INCLUDE_DIR
LIBSSH_LIBRARY
VERSION_VAR
LIBSSH_VERSION
)
if(LIBSSH_FOUND)
set(LIBSSH_INCLUDE_DIRS ${LIBSSH_INCLUDE_DIR})
set(LIBSSH_LIBRARIES ${LIBSSH_LIBRARY})
endif()
mark_as_advanced(LIBSSH_INCLUDE_DIR LIBSSH_LIBRARY)
endif()
if(LIBSSH_FOUND AND WIN32)
list(APPEND LIBSSH_LIBRARIES "iphlpapi") # for if_nametoindex
endif()
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