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# Copyright (C) The libssh2 project and its contributors.
# SPDX-License-Identifier: BSD-3-Clause
#
###########################################################################
# Find the mbedtls library
#
# Input variables:
#
# MBEDTLS_INCLUDE_DIR The mbedtls include directory
# 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_CFLAGS Required compiler flags
# MBEDTLS_VERSION Version of mbedtls
if((UNIX OR VCPKG_TOOLCHAIN OR (MINGW AND NOT CMAKE_CROSSCOMPILING)) AND
NOT DEFINED MBEDTLS_INCLUDE_DIR AND
NOT DEFINED MBEDCRYPTO_LIBRARY)
find_package(PkgConfig QUIET)
pkg_check_modules(MBEDTLS "mbedcrypto")
endif()
if(MBEDTLS_FOUND)
string(REPLACE ";" " " MBEDTLS_CFLAGS "${MBEDTLS_CFLAGS}")
message(STATUS "Found MbedTLS (via pkg-config): ${MBEDTLS_INCLUDE_DIRS} (found version \"${MBEDTLS_VERSION}\")")
else()
find_path(MBEDTLS_INCLUDE_DIR NAMES "mbedtls/version.h")
find_library(MBEDCRYPTO_LIBRARY NAMES "mbedcrypto" "libmbedcrypto")
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
MBEDCRYPTO_LIBRARY
VERSION_VAR
MBEDTLS_VERSION
)
if(MBEDTLS_FOUND)
set(MBEDTLS_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR})
set(MBEDTLS_LIBRARIES ${MBEDCRYPTO_LIBRARY})
endif()
mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDCRYPTO_LIBRARY)
endif()
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