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_PC_REQUIRES`: The mbedTLS pkg-config packages. 40# - `MBEDTLS_CFLAGS`: Required compiler flags. 41# - `MBEDTLS_VERSION`: Version of mbedTLS. 42 43if(DEFINED MBEDTLS_INCLUDE_DIRS AND NOT DEFINED MBEDTLS_INCLUDE_DIR) 44 message(WARNING "MBEDTLS_INCLUDE_DIRS is deprecated, use MBEDTLS_INCLUDE_DIR instead.") 45 set(MBEDTLS_INCLUDE_DIR "${MBEDTLS_INCLUDE_DIRS}") 46 unset(MBEDTLS_INCLUDE_DIRS) 47endif() 48 49if(CURL_USE_PKGCONFIG AND 50 NOT DEFINED MBEDTLS_INCLUDE_DIR AND 51 NOT DEFINED MBEDTLS_LIBRARY AND 52 NOT DEFINED MBEDX509_LIBRARY AND 53 NOT DEFINED MBEDCRYPTO_LIBRARY) 54 find_package(PkgConfig QUIET) 55 pkg_check_modules(MBEDTLS "mbedtls") 56 pkg_check_modules(MBEDX509 "mbedx509") 57 pkg_check_modules(MBEDCRYPTO "mbedcrypto") 58endif() 59 60if(MBEDTLS_FOUND AND MBEDX509_FOUND AND MBEDCRYPTO_FOUND) 61 list(APPEND MBEDTLS_LIBRARIES ${MBEDX509_LIBRARIES} ${MBEDCRYPTO_LIBRARIES}) 62 list(REMOVE_DUPLICATES MBEDTLS_LIBRARIES) 63 set(MBEDTLS_PC_REQUIRES "mbedtls") 64 string(REPLACE ";" " " MBEDTLS_CFLAGS "${MBEDTLS_CFLAGS}") 65 message(STATUS "Found MbedTLS (via pkg-config): ${MBEDTLS_INCLUDE_DIRS} (found version \"${MBEDTLS_VERSION}\")") 66else() 67 find_path(MBEDTLS_INCLUDE_DIR NAMES "mbedtls/ssl.h") 68 find_library(MBEDTLS_LIBRARY NAMES "mbedtls" "libmbedtls") 69 find_library(MBEDX509_LIBRARY NAMES "mbedx509" "libmbedx509") 70 find_library(MBEDCRYPTO_LIBRARY NAMES "mbedcrypto" "libmbedcrypto") 71 72 unset(MBEDTLS_VERSION CACHE) 73 if(MBEDTLS_INCLUDE_DIR) 74 if(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h") # 3.x 75 set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h") 76 elseif(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h") # 2.x 77 set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h") 78 else() 79 unset(_version_header) 80 endif() 81 if(_version_header) 82 set(_version_regex "#[\t ]*define[\t ]+MBEDTLS_VERSION_STRING[\t ]+\"([0-9.]+)\"") 83 file(STRINGS "${_version_header}" _version_str REGEX "${_version_regex}") 84 string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}") 85 set(MBEDTLS_VERSION "${_version_str}") 86 unset(_version_regex) 87 unset(_version_str) 88 unset(_version_header) 89 endif() 90 endif() 91 92 include(FindPackageHandleStandardArgs) 93 find_package_handle_standard_args(MbedTLS 94 REQUIRED_VARS 95 MBEDTLS_INCLUDE_DIR 96 MBEDTLS_LIBRARY 97 MBEDX509_LIBRARY 98 MBEDCRYPTO_LIBRARY 99 VERSION_VAR 100 MBEDTLS_VERSION 101 ) 102 103 if(MBEDTLS_FOUND) 104 set(MBEDTLS_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR}) 105 set(MBEDTLS_LIBRARIES ${MBEDTLS_LIBRARY} ${MBEDX509_LIBRARY} ${MBEDCRYPTO_LIBRARY}) 106 endif() 107 108 mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARY MBEDX509_LIBRARY MBEDCRYPTO_LIBRARY) 109endif() 110
