FindMbedTLS.cmake (4248B)
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 43 if(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) 47 endif() 48 49 set(MBEDTLS_PC_REQUIRES "mbedtls" "mbedx509" "mbedcrypto") 50 51 if(CURL_USE_PKGCONFIG AND 52 NOT DEFINED MBEDTLS_INCLUDE_DIR AND 53 NOT DEFINED MBEDTLS_LIBRARY AND 54 NOT DEFINED MBEDX509_LIBRARY AND 55 NOT DEFINED MBEDCRYPTO_LIBRARY) 56 find_package(PkgConfig QUIET) 57 pkg_check_modules(MBEDTLS ${MBEDTLS_PC_REQUIRES}) 58 endif() 59 60 if(MBEDTLS_FOUND) 61 set(MbedTLS_FOUND TRUE) 62 set(MBEDTLS_VERSION "${MBEDTLS_mbedtls_VERSION}") 63 string(REPLACE ";" " " MBEDTLS_CFLAGS "${MBEDTLS_CFLAGS}") 64 message(STATUS "Found MbedTLS (via pkg-config): ${MBEDTLS_INCLUDE_DIRS} (found version \"${MBEDTLS_VERSION}\")") 65 else() 66 set(MBEDTLS_PC_REQUIRES "") # Depend on pkg-config only when found via pkg-config 67 68 find_path(MBEDTLS_INCLUDE_DIR NAMES "mbedtls/ssl.h") 69 find_library(MBEDTLS_LIBRARY NAMES "mbedtls" "libmbedtls") 70 find_library(MBEDX509_LIBRARY NAMES "mbedx509" "libmbedx509") 71 find_library(MBEDCRYPTO_LIBRARY NAMES "mbedcrypto" "libmbedcrypto") 72 73 unset(MBEDTLS_VERSION CACHE) 74 if(MBEDTLS_INCLUDE_DIR) 75 if(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h") # 3.x 76 set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h") 77 elseif(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h") # 2.x 78 set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h") 79 else() 80 unset(_version_header) 81 endif() 82 if(_version_header) 83 set(_version_regex "#[\t ]*define[\t ]+MBEDTLS_VERSION_STRING[\t ]+\"([0-9.]+)\"") 84 file(STRINGS "${_version_header}" _version_str REGEX "${_version_regex}") 85 string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}") 86 set(MBEDTLS_VERSION "${_version_str}") 87 unset(_version_regex) 88 unset(_version_str) 89 unset(_version_header) 90 endif() 91 endif() 92 93 include(FindPackageHandleStandardArgs) 94 find_package_handle_standard_args(MbedTLS 95 REQUIRED_VARS 96 MBEDTLS_INCLUDE_DIR 97 MBEDTLS_LIBRARY 98 MBEDX509_LIBRARY 99 MBEDCRYPTO_LIBRARY 100 VERSION_VAR 101 MBEDTLS_VERSION 102 ) 103 104 if(MBEDTLS_FOUND) 105 set(MBEDTLS_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR}) 106 set(MBEDTLS_LIBRARIES ${MBEDTLS_LIBRARY} ${MBEDX509_LIBRARY} ${MBEDCRYPTO_LIBRARY}) 107 endif() 108 109 mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARY MBEDX509_LIBRARY MBEDCRYPTO_LIBRARY) 110 endif()