1#*************************************************************************** 2# _ _ ____ _ 3# Project ___| | | | _ \| | 4# / __| | | | |_) | | 5# | (__| |_| | _ <| |___ 6# \___|\___/|_| \_\_____| 7# 8# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 9# 10# This software is licensed as described in the file COPYING, which 11# you should have received as part of this distribution. The terms 12# are also available at https://curl.se/docs/copyright.html. 13# 14# You may opt to use, copy, modify, merge, publish, distribute and/or sell 15# copies of the Software, and permit persons to whom the Software is 16# furnished to do so, under the terms of the COPYING file. 17# 18# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19# KIND, either express or implied. 20# 21# SPDX-License-Identifier: curl 22# 23########################################################################### 24# Find the libssh library 25# 26# Input variables: 27# 28# - `LIBSSH_INCLUDE_DIR`: The libssh include directory. 29# - `LIBSSH_LIBRARY`: Path to libssh library. 30# 31# Result variables: 32# 33# - `LIBSSH_FOUND`: System has libssh. 34# - `LIBSSH_INCLUDE_DIRS`: The libssh include directories. 35# - `LIBSSH_LIBRARIES`: The libssh library names. 36# - `LIBSSH_LIBRARY_DIRS`: The libssh library directories. 37# - `LIBSSH_PC_REQUIRES`: The libssh pkg-config packages. 38# - `LIBSSH_CFLAGS`: Required compiler flags. 39# - `LIBSSH_VERSION`: Version of libssh. 40 41set(LIBSSH_PC_REQUIRES "libssh") 42 43if(CURL_USE_PKGCONFIG AND 44 NOT DEFINED LIBSSH_INCLUDE_DIR AND 45 NOT DEFINED LIBSSH_LIBRARY) 46 find_package(PkgConfig QUIET) 47 pkg_check_modules(LIBSSH ${LIBSSH_PC_REQUIRES}) 48endif() 49 50if(LIBSSH_FOUND) 51 string(REPLACE ";" " " LIBSSH_CFLAGS "${LIBSSH_CFLAGS}") 52 message(STATUS "Found Libssh (via pkg-config): ${LIBSSH_INCLUDE_DIRS} (found version \"${LIBSSH_VERSION}\")") 53else() 54 find_path(LIBSSH_INCLUDE_DIR NAMES "libssh/libssh.h") 55 find_library(LIBSSH_LIBRARY NAMES "ssh" "libssh") 56 57 unset(LIBSSH_VERSION CACHE) 58 if(LIBSSH_INCLUDE_DIR AND EXISTS "${LIBSSH_INCLUDE_DIR}/libssh/libssh_version.h") 59 set(_version_regex1 "#[\t ]*define[\t ]+LIBSSH_VERSION_MAJOR[\t ]+([0-9]+).*") 60 set(_version_regex2 "#[\t ]*define[\t ]+LIBSSH_VERSION_MINOR[\t ]+([0-9]+).*") 61 set(_version_regex3 "#[\t ]*define[\t ]+LIBSSH_VERSION_MICRO[\t ]+([0-9]+).*") 62 file(STRINGS "${LIBSSH_INCLUDE_DIR}/libssh/libssh_version.h" _version_str1 REGEX "${_version_regex1}") 63 file(STRINGS "${LIBSSH_INCLUDE_DIR}/libssh/libssh_version.h" _version_str2 REGEX "${_version_regex2}") 64 file(STRINGS "${LIBSSH_INCLUDE_DIR}/libssh/libssh_version.h" _version_str3 REGEX "${_version_regex3}") 65 string(REGEX REPLACE "${_version_regex1}" "\\1" _version_str1 "${_version_str1}") 66 string(REGEX REPLACE "${_version_regex2}" "\\1" _version_str2 "${_version_str2}") 67 string(REGEX REPLACE "${_version_regex3}" "\\1" _version_str3 "${_version_str3}") 68 set(LIBSSH_VERSION "${_version_str1}.${_version_str2}.${_version_str3}") 69 unset(_version_regex1) 70 unset(_version_regex2) 71 unset(_version_regex3) 72 unset(_version_str1) 73 unset(_version_str2) 74 unset(_version_str3) 75 endif() 76 77 include(FindPackageHandleStandardArgs) 78 find_package_handle_standard_args(Libssh 79 REQUIRED_VARS 80 LIBSSH_INCLUDE_DIR 81 LIBSSH_LIBRARY 82 VERSION_VAR 83 LIBSSH_VERSION 84 ) 85 86 if(LIBSSH_FOUND) 87 set(LIBSSH_INCLUDE_DIRS ${LIBSSH_INCLUDE_DIR}) 88 set(LIBSSH_LIBRARIES ${LIBSSH_LIBRARY}) 89 endif() 90 91 mark_as_advanced(LIBSSH_INCLUDE_DIR LIBSSH_LIBRARY) 92endif() 93 94if(LIBSSH_FOUND AND WIN32) 95 list(APPEND LIBSSH_LIBRARIES "iphlpapi") # for if_nametoindex 96endif() 97