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 libssh2 library 25# 26# Input variables: 27# 28# - `LIBSSH2_INCLUDE_DIR`: The libssh2 include directory. 29# - `LIBSSH2_LIBRARY`: Path to `libssh2` library. 30# 31# Result variables: 32# 33# - `LIBSSH2_FOUND`: System has libssh2. 34# - `LIBSSH2_INCLUDE_DIRS`: The libssh2 include directories. 35# - `LIBSSH2_LIBRARIES`: The libssh2 library names. 36# - `LIBSSH2_LIBRARY_DIRS`: The libssh2 library directories. 37# - `LIBSSH2_PC_REQUIRES`: The libssh2 pkg-config packages. 38# - `LIBSSH2_CFLAGS`: Required compiler flags. 39# - `LIBSSH2_VERSION`: Version of libssh2. 40 41set(LIBSSH2_PC_REQUIRES "libssh2") 42 43if(CURL_USE_PKGCONFIG AND 44 NOT DEFINED LIBSSH2_INCLUDE_DIR AND 45 NOT DEFINED LIBSSH2_LIBRARY) 46 find_package(PkgConfig QUIET) 47 pkg_check_modules(LIBSSH2 ${LIBSSH2_PC_REQUIRES}) 48endif() 49 50if(LIBSSH2_FOUND AND LIBSSH2_INCLUDE_DIRS) 51 string(REPLACE ";" " " LIBSSH2_CFLAGS "${LIBSSH2_CFLAGS}") 52 message(STATUS "Found Libssh2 (via pkg-config): ${LIBSSH2_INCLUDE_DIRS} (found version \"${LIBSSH2_VERSION}\")") 53else() 54 find_path(LIBSSH2_INCLUDE_DIR NAMES "libssh2.h") 55 find_library(LIBSSH2_LIBRARY NAMES "ssh2" "libssh2") 56 57 unset(LIBSSH2_VERSION CACHE) 58 if(LIBSSH2_INCLUDE_DIR AND EXISTS "${LIBSSH2_INCLUDE_DIR}/libssh2.h") 59 set(_version_regex "#[\t ]*define[\t ]+LIBSSH2_VERSION[\t ]+\"([^\"]*)\"") 60 file(STRINGS "${LIBSSH2_INCLUDE_DIR}/libssh2.h" _version_str REGEX "${_version_regex}") 61 string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}") 62 set(LIBSSH2_VERSION "${_version_str}") 63 unset(_version_regex) 64 unset(_version_str) 65 endif() 66 67 include(FindPackageHandleStandardArgs) 68 find_package_handle_standard_args(Libssh2 69 REQUIRED_VARS 70 LIBSSH2_INCLUDE_DIR 71 LIBSSH2_LIBRARY 72 VERSION_VAR 73 LIBSSH2_VERSION 74 ) 75 76 if(LIBSSH2_FOUND) 77 set(LIBSSH2_INCLUDE_DIRS ${LIBSSH2_INCLUDE_DIR}) 78 set(LIBSSH2_LIBRARIES ${LIBSSH2_LIBRARY}) 79 endif() 80 81 mark_as_advanced(LIBSSH2_INCLUDE_DIR LIBSSH2_LIBRARY) 82endif() 83