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# Once done these will be defined:
#
# * MBEDTLS_FOUND
# * MBEDTLS_INCLUDE_DIRS
# * MBEDTLS_LIBRARIES
#
find_package(PkgConfig QUIET)
if(PKG_CONFIG_FOUND)
pkg_check_modules(_MBEDTLS QUIET mbedtls)
endif()
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(_lib_suffix 64)
else()
set(_lib_suffix 32)
endif()
# If we're on MacOS or Linux, please try to statically-link mbedtls.
if(ENABLE_STATIC_MBEDTLS AND (APPLE OR UNIX))
set(_MBEDTLS_LIBRARIES libmbedtls.a)
set(_MBEDCRYPTO_LIBRARIES libmbedcrypto.a)
set(_MBEDX509_LIBRARIES libmbedx509.a)
endif()
find_path(
MBEDTLS_INCLUDE_DIR
NAMES mbedtls/ssl.h
HINTS ENV MBEDTLS_PATH ${MBEDTLS_PATH} ${CMAKE_SOURCE_DIR}/${MBEDTLS_PATH} ${_MBEDTLS_INCLUDE_DIRS}
PATHS /usr/include /usr/local/include /opt/local/include /sw/include
PATH_SUFFIXES include)
find_library(
MBEDTLS_LIB
NAMES ${_MBEDTLS_LIBRARIES} mbedtls libmbedtls
HINTS ENV MBEDTLS_PATH ${MBEDTLS_PATH} ${CMAKE_SOURCE_DIR}/${MBEDTLS_PATH} ${_MBEDTLS_LIBRARY_DIRS}
PATHS /usr/lib /usr/local/lib /opt/local/lib /sw/lib
PATH_SUFFIXES
lib${_lib_suffix}
lib
libs${_lib_suffix}
libs
bin${_lib_suffix}
bin
../lib${_lib_suffix}
../lib
../libs${_lib_suffix}
../libs
../bin${_lib_suffix}
../bin)
find_library(
MBEDCRYPTO_LIB
NAMES ${_MBEDCRYPTO_LIBRARIES} mbedcrypto libmbedcrypto
HINTS ENV MBEDCRYPTO_PATH ${MBEDCRYPTO_PATH} ${CMAKE_SOURCE_DIR}/${MBEDCRYPTO_PATH} ${_MBEDCRYPTO_LIBRARY_DIRS}
PATHS /usr/lib /usr/local/lib /opt/local/lib /sw/lib
PATH_SUFFIXES
lib${_lib_suffix}
lib
libs${_lib_suffix}
libs
bin${_lib_suffix}
bin
../lib${_lib_suffix}
../lib
../libs${_lib_suffix}
../libs
../bin${_lib_suffix}
../bin)
find_library(
MBEDX509_LIB
NAMES ${_MBEDX509_LIBRARIES} mbedx509 libmbedx509
HINTS ENV MBEDX509_PATH ${MBEDX509_PATH} ${CMAKE_SOURCE_DIR}/${MBEDX509_PATH} ${_MBEDX509_LIBRARY_DIRS}
PATHS /usr/lib /usr/local/lib /opt/local/lib /sw/lib
PATH_SUFFIXES
lib${_lib_suffix}
lib
libs${_lib_suffix}
libs
bin${_lib_suffix}
bin
../lib${_lib_suffix}
../lib
../libs${_lib_suffix}
../libs
../bin${_lib_suffix}
../bin)
# Sometimes mbedtls is split between three libs, and sometimes it isn't. If it isn't, let's check if the symbols we need
# are all in MBEDTLS_LIB.
if(MBEDTLS_LIB
AND NOT MBEDCRYPTO_LIB
AND NOT MBEDX509_LIB)
set(CMAKE_REQUIRED_LIBRARIES ${MBEDTLS_LIB})
set(CMAKE_REQUIRED_INCLUDES ${MBEDTLS_INCLUDE_DIR})
include(CheckSymbolExists)
check_symbol_exists(mbedtls_x509_crt_init "mbedtls/x509_crt.h" MBEDTLS_INCLUDES_X509)
check_symbol_exists(mbedtls_sha256_init "mbedtls/sha256.h" MBEDTLS_INCLUDES_CRYPTO)
unset(CMAKE_REQUIRED_INCLUDES)
unset(CMAKE_REQUIRED_LIBRARIES)
endif()
# If we find all three libraries, then go ahead.
if(MBEDTLS_LIB
AND MBEDCRYPTO_LIB
AND MBEDX509_LIB)
set(MBEDTLS_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR})
set(MBEDTLS_LIBRARIES ${MBEDTLS_LIB} ${MBEDCRYPTO_LIB} ${MBEDX509_LIB})
foreach(component TLS CRYPTO X509)
if(NOT TARGET Mbedtls::${component} AND MBED${component}_LIB)
if(IS_ABSOLUTE "${MBED${component}_LIB}")
add_library(Mbedtls::${component} UNKNOWN IMPORTED)
set_target_properties(Mbedtls::${component} PROPERTIES IMPORTED_LOCATION "${MBED${component}_LIB}")
else()
add_library(Mbedtls::${component} INTERFACE IMPORTED)
set_target_properties(Mbedtls::${component} PROPERTIES IMPORTED_LIBNAME "${MBED${component}_LIB}")
endif()
set_target_properties(Mbedtls::${component} PROPERTIES INTERFACE_INCLUDE_DIRECTORIES
"${MBED${component}_INCLUDE_DIR}")
endif()
endforeach()
if(NOT TARGET Mbedtls::Mbedtls)
add_library(Mbedtls::Mbedtls INTERFACE IMPORTED)
target_link_libraries(Mbedtls::Mbedtls INTERFACE Mbedtls::TLS Mbedtls::CRYPTO Mbedtls::X509)
endif()
# Otherwise, if we find MBEDTLS_LIB, and it has both CRYPTO and x509 within the single lib (i.e. a windows build
# environment), then also feel free to go ahead.
elseif(
MBEDTLS_LIB
AND MBEDTLS_INCLUDES_CRYPTO
AND MBEDTLS_INCLUDES_X509)
set(MBEDTLS_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR})
set(MBEDTLS_LIBRARIES ${MBEDTLS_LIB})
if(NOT TARGET Mbedtls::Mbedtls)
if(IS_ABSOLUTE "${MBED${component}_LIB}")
add_library(Mbedtls::${component} UNKNOWN IMPORTED)
set_target_properties(Mbedtls::${component} PROPERTIES IMPORTED_LOCATION "${MBEDTLS_LIBRARIES}")
else()
add_library(Mbedtls::${component} INTERFACE IMPORTED)
set_target_properties(Mbedtls::${component} PROPERTIES IMPORTED_LIBNAME "${MBEDTLS_LIBRARIES}")
endif()
set_target_properties(Mbedtls::${component} PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${MBEDTLS_INCLUDE_DIRS}")
endif()
endif()
# Now we've accounted for the 3-vs-1 library case:
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(MbedTLS DEFAULT_MSG MBEDTLS_LIBRARIES MBEDTLS_INCLUDE_DIRS)
mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDTLS_LIB MBEDCRYPTO_LIB MBEDX509_LIB)
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