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CMake: Use targets for all optionally-external dependencies
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parent
63090d411d
commit
5b10a80401
25 changed files with 172 additions and 133 deletions
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@ -7,18 +7,53 @@ find_library(MBEDCRYPTO_LIBRARY mbedcrypto PATH_SUFFIXES mbedtls2)
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set(MBEDTLS_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR})
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set(MBEDTLS_LIBRARIES ${MBEDTLS_LIBRARY} ${MBEDX509_LIBRARY} ${MBEDCRYPTO_LIBRARY})
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set(CMAKE_REQUIRED_INCLUDES ${MBEDTLS_INCLUDE_DIRS})
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check_cxx_source_compiles("
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#include <mbedtls/version.h>
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#if MBEDTLS_VERSION_NUMBER < 0x021C0000
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#error \"Your mbed TLS version is too old.\"
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#endif
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int main() {}"
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MBEDTLS_VERSION_OK)
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unset(CMAKE_REQUIRED_INCLUDES)
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if(NOT MBEDTLS_INCLUDE_DIR STREQUAL "MBEDTLS_INCLUDE_DIR-NOTFOUND")
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if(EXISTS ${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h)
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file(STRINGS ${MBEDTLS_INCLUDE_DIR}/mbedtls/build_info.h MBEDTLS_VERSION_STR REGEX "^#define[ \t]+MBEDTLS_VERSION_STRING[\t ].*")
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else()
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file(STRINGS ${MBEDTLS_INCLUDE_DIR}/mbedtls/version.h MBEDTLS_VERSION_STR REGEX "^#define[ \t]+MBEDTLS_VERSION_STRING[\t ].*")
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endif()
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string(REGEX REPLACE "^#define[\t ]+MBEDTLS_VERSION_STRING[\t ]+\"([.0-9]+)\".*" "\\1" MBEDTLS_VERSION ${MBEDTLS_VERSION_STR})
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(MBEDTLS DEFAULT_MSG
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MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARY MBEDX509_LIBRARY MBEDCRYPTO_LIBRARY MBEDTLS_VERSION_OK)
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if(NOT MBEDTLS_INCLUDE_DIR STREQUAL "MBEDTLS_INCLUDE_DIR-NOTFOUND" AND MBEDTLS_VERSION VERSION_GREATER_EQUAL 3)
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# Once CMake 3.19 is required, we can enable HANDLE_VERSION_RANGE and use that
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if(MBEDTLS_FIND_REQUIRED)
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set(type FATAL_ERROR)
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else()
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set(type STATUS)
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endif()
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if(MBEDTLS_FIND_REQUIRED OR NOT MBEDTLS_FIND_QUIETLY)
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message(${type} "Could NOT find MBEDTLS: Found unsuitable version \"${MBEDTLS_VERSION}\", but a 2.x version is required (found ${MBEDTLS_INCLUDE_DIR})")
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endif()
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set(MBEDTLS_FOUND FALSE)
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else()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(MBEDTLS
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REQUIRED_VARS MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARY MBEDX509_LIBRARY MBEDCRYPTO_LIBRARY
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VERSION_VAR MBEDTLS_VERSION)
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endif()
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mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARY MBEDX509_LIBRARY MBEDCRYPTO_LIBRARY)
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if(MBEDTLS_FOUND)
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add_library(MbedTLS::mbedcrypto UNKNOWN IMPORTED)
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set_target_properties(MbedTLS::mbedcrypto PROPERTIES
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IMPORTED_LOCATION "${MBEDCRYPTO_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${MBEDTLS_INCLUDE_DIR}"
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)
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add_library(MbedTLS::mbedx509 UNKNOWN IMPORTED)
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set_target_properties(MbedTLS::mbedx509 PROPERTIES
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IMPORTED_LOCATION "${MBEDX509_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${MBEDTLS_INCLUDE_DIR}"
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INTERFACE_LINK_LIBRARIES MbedTLS::mbedcrypto
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)
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add_library(MbedTLS::mbedtls UNKNOWN IMPORTED)
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set_target_properties(MbedTLS::mbedtls PROPERTIES
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IMPORTED_LOCATION "${MBEDTLS_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${MBEDTLS_INCLUDE_DIR}"
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INTERFACE_LINK_LIBRARIES MbedTLS::mbedx509
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)
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endif()
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