# - 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(MBEDTLSMATCH)
MESSAGE(STATUS " TLS: ${MBEDTLS_LIBRARY}")
MESSAGE(STATUS " X509: ${MBEDX509_LIBRARY}")
MESSAGE(STATUS " Crypto: ${MBEDCRYPTO_LIBRARY}")
ENDIF(NOT MBEDTLS_FIND_QUIETLY)
ELSE(MBEDTLS_FOUND)
IF(MBEDTLS_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find mbedTLS")
ENDIF(MBEDTLS_FIND_REQUIRED)
ENDIF(MBEDTLS_FOUND)
MARK_AS_ADVANCED(
MBEDTLS_INCLUDE_DIR
MBEDTLS_LIBRARY_DIR
MBEDTLS_LIBRARIES
MBEDTLS_LIBRARY
MBEDX509_LIBRARY
MBEDCRYPTO_LIBRARY
)
