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 mbedTLS library 25# 26# Input variables: 27# 28# - `MBEDTLS_INCLUDE_DIR`: The mbedTLS include directory. 29# - `MBEDTLS_LIBRARY`: Path to `mbedtls` library. 30# - `MBEDX509_LIBRARY`: Path to `mbedx509` library. 31# - `MBEDCRYPTO_LIBRARY`: Path to `mbedcrypto` library. 32# 33# Result variables: 34# 35# - `MBEDTLS_FOUND`: System has mbedTLS. 36# - `MBEDTLS_INCLUDE_DIRS`: The mbedTLS include directories. 37# - `MBEDTLS_LIBRARIES`: The mbedTLS library names. 38# - `MBEDTLS_LIBRARY_DIRS`: The mbedTLS library directories. 39# - `MBEDTLS_CFLAGS`: Required compiler flags. 40# - `MBEDTLS_VERSION`: Version of mbedTLS. 41 42if(DEFINED MBEDTLS_INCLUDE_DIRS AND NOT DEFINED MBEDTLS_INCLUDE_DIR) 43 message(WARNING "MBEDTLS_INCLUDE_DIRS is deprecated, use MBEDTLS_INCLUDE_DIR instead.") 44 set(MBEDTLS_INCLUDE_DIR "${MBEDTLS_INCLUDE_DIRS}") 45 unset(MBEDTLS_INCLUDE_DIRS) 46endif() 47 48if(CURL_USE_PKGCONFIG AND 49 NOT DEFINED MBEDTLS_INCLUDE_DIR AND 50 NOT DEFINED MBEDTLS_LIBRARY AND 51 NOT DEFINED MBEDX509_LIBRARY AND 52 NOT DEFINED MBEDCRYPTO_LIBRARY) 53 find_package(PkgConfig QUIET) 54 pkg_check_modules(MBEDTLS "mbedtls") 55 pkg_check_modules(MBEDX509 "mbedx509") 56 pkg_check_modules(MBEDCRYPTO "mbedcrypto") 57endif() 58 59if(MBEDTLS_FOUND AND MBEDX509_FOUND AND MBEDCRYPTO_FOUND) 60 list(APPEND MBEDTLS_LIBRARIES ${MBEDX509_LIBRARIES} ${MBEDCRYPTO_LIBRARIES}) 61 list(REMOVE_DUPLICATES MBEDTLS_LIBRARIES) 62 string(REPLACE ";" " " MBEDTLS_CFLAGS "${MBEDTLS_CFLAGS}") 63 message(STATUS "Found MbedTLS (via pkg-config): ${MBEDTLS_INCLUDE_DIRS} (found version \"${MBEDTLS_VERSION}\")") 64else() 65 find_path(MBEDTLS_INCLUDE_DIR NAMES "mbedtls/ssl.h") 66 find_library(MBEDTLS_LIBRARY NAMES "mbedtls" "libmbedtls") 67 find_library(MBEDX509_LIBRARY NAMES "mbedx509" "libmbedx509") 68 find_library(MBEDCRYPTO_LIBRARY NAMES "mbedcrypto" "libmbedcrypto") 69 70 unset(MBEDTLS_VERSION CACHE) 71 if(MBEDTLS_INCLUDE_DIR) 72 if(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h") # 3.x 73 set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h") 74 elseif(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h") # 2.x 75 set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h") 76 else() 77 unset(_version_header) 78 endif() 79 if(_version_header) 80 set(_version_regex "#[\t ]*define[\t ]+MBEDTLS_VERSION_STRING[\t ]+\"([0-9.]+)\"") 81 file(STRINGS "${_version_header}" _version_str REGEX "${_version_regex}") 82 string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}") 83 set(MBEDTLS_VERSION "${_version_str}") 84 unset(_version_regex) 85 unset(_version_str) 86 unset(_version_header) 87 endif() 88 endif() 89 90 include(FindPackageHandleStandardArgs) 91 find_package_handle_standard_args(MbedTLS 92 REQUIRED_VARS 93 MBEDTLS_INCLUDE_DIR 94 MBEDTLS_LIBRARY 95 MBEDX509_LIBRARY 96 MBEDCRYPTO_LIBRARY 97 VERSION_VAR 98 MBEDTLS_VERSION 99 ) 100 101 if(MBEDTLS_FOUND) 102 set(MBEDTLS_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR}) 103 set(MBEDTLS_LIBRARIES ${MBEDTLS_LIBRARY} ${MBEDX509_LIBRARY} ${MBEDCRYPTO_LIBRARY}) 104 endif() 105 106 mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARY MBEDX509_LIBRARY MBEDCRYPTO_LIBRARY) 107endif() 108
