s2-mod/deps/curl/CMake/FindMbedTLS.cmake
2025-04-28 23:30:04 -04:00

110 lines
4.1 KiB
CMake

#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
# Find the mbedTLS library
#
# Input variables:
#
# - `MBEDTLS_INCLUDE_DIR`: The mbedTLS include directory.
# - `MBEDTLS_LIBRARY`: Path to `mbedtls` library.
# - `MBEDX509_LIBRARY`: Path to `mbedx509` library.
# - `MBEDCRYPTO_LIBRARY`: Path to `mbedcrypto` library.
#
# Result variables:
#
# - `MBEDTLS_FOUND`: System has mbedTLS.
# - `MBEDTLS_INCLUDE_DIRS`: The mbedTLS include directories.
# - `MBEDTLS_LIBRARIES`: The mbedTLS library names.
# - `MBEDTLS_LIBRARY_DIRS`: The mbedTLS library directories.
# - `MBEDTLS_PC_REQUIRES`: The mbedTLS pkg-config packages.
# - `MBEDTLS_CFLAGS`: Required compiler flags.
# - `MBEDTLS_VERSION`: Version of mbedTLS.
if(DEFINED MBEDTLS_INCLUDE_DIRS AND NOT DEFINED MBEDTLS_INCLUDE_DIR)
message(WARNING "MBEDTLS_INCLUDE_DIRS is deprecated, use MBEDTLS_INCLUDE_DIR instead.")
set(MBEDTLS_INCLUDE_DIR "${MBEDTLS_INCLUDE_DIRS}")
unset(MBEDTLS_INCLUDE_DIRS)
endif()
set(MBEDTLS_PC_REQUIRES "mbedtls" "mbedx509" "mbedcrypto")
if(CURL_USE_PKGCONFIG AND
NOT DEFINED MBEDTLS_INCLUDE_DIR AND
NOT DEFINED MBEDTLS_LIBRARY AND
NOT DEFINED MBEDX509_LIBRARY AND
NOT DEFINED MBEDCRYPTO_LIBRARY)
find_package(PkgConfig QUIET)
pkg_check_modules(MBEDTLS ${MBEDTLS_PC_REQUIRES})
endif()
if(MBEDTLS_FOUND)
set(MbedTLS_FOUND TRUE)
string(REPLACE ";" " " MBEDTLS_CFLAGS "${MBEDTLS_CFLAGS}")
message(STATUS "Found MbedTLS (via pkg-config): ${MBEDTLS_INCLUDE_DIRS} (found version \"${MBEDTLS_VERSION}\")")
else()
set(MBEDTLS_PC_REQUIRES "") # Depend on pkg-config only when found via pkg-config
find_path(MBEDTLS_INCLUDE_DIR NAMES "mbedtls/ssl.h")
find_library(MBEDTLS_LIBRARY NAMES "mbedtls" "libmbedtls")
find_library(MBEDX509_LIBRARY NAMES "mbedx509" "libmbedx509")
find_library(MBEDCRYPTO_LIBRARY NAMES "mbedcrypto" "libmbedcrypto")
unset(MBEDTLS_VERSION CACHE)
if(MBEDTLS_INCLUDE_DIR)
if(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h") # 3.x
set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h")
elseif(EXISTS "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h") # 2.x
set(_version_header "${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h")
else()
unset(_version_header)
endif()
if(_version_header)
set(_version_regex "#[\t ]*define[\t ]+MBEDTLS_VERSION_STRING[\t ]+\"([0-9.]+)\"")
file(STRINGS "${_version_header}" _version_str REGEX "${_version_regex}")
string(REGEX REPLACE "${_version_regex}" "\\1" _version_str "${_version_str}")
set(MBEDTLS_VERSION "${_version_str}")
unset(_version_regex)
unset(_version_str)
unset(_version_header)
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(MbedTLS
REQUIRED_VARS
MBEDTLS_INCLUDE_DIR
MBEDTLS_LIBRARY
MBEDX509_LIBRARY
MBEDCRYPTO_LIBRARY
VERSION_VAR
MBEDTLS_VERSION
)
if(MBEDTLS_FOUND)
set(MBEDTLS_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR})
set(MBEDTLS_LIBRARIES ${MBEDTLS_LIBRARY} ${MBEDX509_LIBRARY} ${MBEDCRYPTO_LIBRARY})
endif()
mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARY MBEDX509_LIBRARY MBEDCRYPTO_LIBRARY)
endif()