curl/CMake/FindLibSSH2.cmake
Viktor Szakats 4e2f3641f8
cmake: add missing version detection to Find modules
- use `pkg-config` version when available and where it wasn't yet used.

- add manual version detection for dependencies where this is possible
  (via a public header) and where it wasn't done yet.

Closes #14548
2024-08-16 16:53:44 +02:00

73 lines
2.3 KiB
CMake

#***************************************************************************
# _ _ ____ _
# 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 libssh2 library
#
# Result Variables:
#
# LIBSSH2_FOUND System has libssh2
# LIBSSH2_INCLUDE_DIRS The libssh2 include directories
# LIBSSH2_LIBRARIES The libssh2 library names
# LIBSSH2_VERSION Version of libssh2
if(CURL_USE_PKGCONFIG)
find_package(PkgConfig QUIET)
pkg_search_module(PC_LIBSSH2 "libssh2")
endif()
find_path(LIBSSH2_INCLUDE_DIR "libssh2.h"
HINTS
${PC_LIBSSH2_INCLUDEDIR}
${PC_LIBSSH2_INCLUDE_DIRS}
)
find_library(LIBSSH2_LIBRARY NAMES "ssh2" "libssh2"
HINTS
${PC_LIBSSH2_LIBDIR}
${PC_LIBSSH2_LIBRARY_DIRS}
)
if(PC_LIBSSH2_VERSION)
set(LIBSSH2_VERSION ${PC_LIBSSH2_VERSION})
elseif(LIBSSH2_INCLUDE_DIR)
file(STRINGS "${LIBSSH2_INCLUDE_DIR}/libssh2.h" _libssh2_version_str REGEX "^#define[\t ]+LIBSSH2_VERSION[\t ]+\"(.*)\"")
string(REGEX REPLACE "^.*\"([^\"]+)\"" "\\1" LIBSSH2_VERSION "${_libssh2_version_str}")
unset(_libssh2_version_str)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(LibSSH2
REQUIRED_VARS
LIBSSH2_INCLUDE_DIR
LIBSSH2_LIBRARY
VERSION_VAR
LIBSSH2_VERSION
)
if(LIBSSH2_FOUND)
set(LIBSSH2_INCLUDE_DIRS ${LIBSSH2_INCLUDE_DIR})
set(LIBSSH2_LIBRARIES ${LIBSSH2_LIBRARY})
endif()
mark_as_advanced(LIBSSH2_INCLUDE_DIR LIBSSH2_LIBRARY)