curl/CMake/FindMbedTLS.cmake
Viktor Szakats 3e60f174ee
cmake: tidy up more in Find modules
- add `NAMES` where missing.
- document input variables (including deprecated ones.)
- comment cleanups.
- FindWolfSSL: drop stray `QUIET` from `pkg_check_modules()`.
  (`QUIET` may be re-added for all modules in the future.)

Closes #14579
2024-08-18 22:53:09 +02:00

112 lines
3.6 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_INCLUDE_DIRS The mbedtls include directory (deprecated)
# 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_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()
if(CURL_USE_PKGCONFIG)
find_package(PkgConfig QUIET)
pkg_check_modules(PC_MBEDTLS "mbedtls")
endif()
find_path(MBEDTLS_INCLUDE_DIR NAMES "mbedtls/ssl.h"
HINTS
${PC_MBEDTLS_INCLUDEDIR}
${PC_MBEDTLS_INCLUDE_DIRS}
)
find_library(MBEDTLS_LIBRARY NAMES "mbedtls"
HINTS
${PC_MBEDTLS_LIBDIR}
${PC_MBEDTLS_LIBRARY_DIRS}
)
find_library(MBEDX509_LIBRARY NAMES "mbedx509"
HINTS
${PC_MBEDTLS_LIBDIR}
${PC_MBEDTLS_LIBRARY_DIRS}
)
find_library(MBEDCRYPTO_LIBRARY NAMES "mbedcrypto"
HINTS
${PC_MBEDTLS_LIBDIR}
${PC_MBEDTLS_LIBRARY_DIRS}
)
if(PC_MBEDTLS_VERSION)
set(MBEDTLS_VERSION ${PC_MBEDTLS_VERSION})
elseif(MBEDTLS_INCLUDE_DIR)
if(EXISTS "${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)