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# - Try to find mbedTLS
# Once done this will define
#
# Read-Only variables
# MBEDTLS_FOUND - system has mbedTLS
# MBEDTLS_INCLUDE_DIR - the mbedTLS include directory
# MBEDTLS_LIBRARY_DIR - the mbedTLS library directory
# MBEDTLS_LIBRARIES - Link these to use mbedTLS
# MBEDTLS_LIBRARY - path to mbedTLS library
# MBEDX509_LIBRARY - path to mbedTLS X.509 library
# MBEDCRYPTO_LIBRARY - path to mbedTLS Crypto library
#
# Hint
# MBEDTLS_ROOT_DIR can be pointed to a local mbedTLS installation.
set(_MBEDTLS_ROOT_HINTS
${MBEDTLS_ROOT_DIR}
ENV MBEDTLS_ROOT_DIR)
set(_MBEDTLS_ROOT_HINTS_AND_PATHS
HINTS ${_MBEDTLS_ROOT_HINTS}
PATHS ${_MBEDTLS_ROOT_PATHS})
find_path(MBEDTLS_INCLUDE_DIR
NAMES mbedtls/version.h
${_MBEDTLS_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES include)
if(MBEDTLS_INCLUDE_DIR AND MBEDTLS_LIBRARIES)
# Already in cache, be silent
set(MBEDTLS_FIND_QUIETLY TRUE)
endif()
find_library(MBEDTLS_LIBRARY
NAMES mbedtls libmbedtls
${_MBEDTLS_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES library)
find_library(MBEDX509_LIBRARY
NAMES mbedx509 libmbedx509
${_MBEDTLS_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES library)
find_library(MBEDCRYPTO_LIBRARY
NAMES mbedcrypto libmbedcrypto
${_MBEDTLS_ROOT_HINTS_AND_PATHS}
PATH_SUFFIXES library)
if(MBEDTLS_INCLUDE_DIR AND MBEDTLS_LIBRARY AND MBEDX509_LIBRARY AND MBEDCRYPTO_LIBRARY)
set(MBEDTLS_FOUND TRUE)
endif()
if(MBEDTLS_FOUND)
# split mbedTLS into -L and -l linker options, so we can set them for pkg-config
get_filename_component(MBEDTLS_LIBRARY_DIR ${MBEDTLS_LIBRARY} PATH)
get_filename_component(MBEDTLS_LIBRARY_FILE ${MBEDTLS_LIBRARY} NAME_WE)
get_filename_component(MBEDX509_LIBRARY_FILE ${MBEDX509_LIBRARY} NAME_WE)
get_filename_component(MBEDCRYPTO_LIBRARY_FILE ${MBEDCRYPTO_LIBRARY} NAME_WE)
string(REGEX REPLACE "^lib" "" MBEDTLS_LIBRARY_FILE ${MBEDTLS_LIBRARY_FILE})
string(REGEX REPLACE "^lib" "" MBEDX509_LIBRARY_FILE ${MBEDX509_LIBRARY_FILE})
string(REGEX REPLACE "^lib" "" MBEDCRYPTO_LIBRARY_FILE ${MBEDCRYPTO_LIBRARY_FILE})
set(MBEDTLS_LIBRARIES "-L${MBEDTLS_LIBRARY_DIR} -l${MBEDTLS_LIBRARY_FILE} -l${MBEDX509_LIBRARY_FILE} -l${MBEDCRYPTO_LIBRARY_FILE}")
if(NOT MBEDTLS_FIND_QUIETLY)
message(STATUS "Found mbedTLS:")
file(READ ${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h MBEDTLSCONTENT)
string(REGEX MATCH "MBEDTLS_VERSION_STRING +\"[0-9|.]+\"" MBEDTLSMATCH ${MBEDTLSCONTENT})
if(MBEDTLSMATCH)
string(REGEX REPLACE "MBEDTLS_VERSION_STRING +\"([0-9|.]+)\"" "\\1" MBEDTLS_VERSION ${MBEDTLSMATCH})
message(STATUS " version ${MBEDTLS_VERSION}")
endif()
message(STATUS " TLS: ${MBEDTLS_LIBRARY}")
message(STATUS " X509: ${MBEDX509_LIBRARY}")
message(STATUS " Crypto: ${MBEDCRYPTO_LIBRARY}")
endif()
else(MBEDTLS_FOUND)
if(MBEDTLS_FIND_REQUIRED)
message(FATAL_ERROR "Could not find mbedTLS")
endif()
endif()
mark_as_advanced(
MBEDTLS_INCLUDE_DIR
MBEDTLS_LIBRARY_DIR
MBEDTLS_LIBRARIES
MBEDTLS_LIBRARY
MBEDX509_LIBRARY
MBEDCRYPTO_LIBRARY)
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