ClickHouse/cmake/find/ssl.cmake

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# Needed when securely connecting to an external server, e.g.
# clickhouse-client --host ... --secure
option(ENABLE_SSL "Enable ssl" ${ENABLE_LIBRARIES})
if(NOT ENABLE_SSL)
if (USE_INTERNAL_SSL_LIBRARY)
message (${RECONFIGURE_MESSAGE_LEVEL} "Can't use internal ssl library with ENABLE_SSL=OFF")
endif()
return()
endif()
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option(USE_INTERNAL_SSL_LIBRARY "Set to FALSE to use system *ssl library instead of bundled" ON)
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if(NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/boringssl/README.md")
if(USE_INTERNAL_SSL_LIBRARY)
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message(WARNING "submodule contrib/boringssl is missing. to fix try run: \n git submodule update --init")
message (${RECONFIGURE_MESSAGE_LEVEL} "Can't find internal ssl library")
endif()
set(USE_INTERNAL_SSL_LIBRARY 0)
set(MISSING_INTERNAL_SSL_LIBRARY 1)
endif()
set (OPENSSL_USE_STATIC_LIBS ${USE_STATIC_LIBRARIES})
if (NOT USE_INTERNAL_SSL_LIBRARY)
if (APPLE)
set (OPENSSL_ROOT_DIR "/usr/local/opt/openssl" CACHE INTERNAL "")
# https://rt.openssl.org/Ticket/Display.html?user=guest&pass=guest&id=2232
if (USE_STATIC_LIBRARIES)
message(WARNING "Disable USE_STATIC_LIBRARIES if you have linking problems with OpenSSL on MacOS")
endif ()
endif ()
find_package (OpenSSL)
if (NOT OPENSSL_FOUND)
# Try to find manually.
set (OPENSSL_INCLUDE_PATHS "/usr/local/opt/openssl/include")
set (OPENSSL_PATHS "/usr/local/opt/openssl/lib")
find_path (OPENSSL_INCLUDE_DIR NAMES openssl/ssl.h PATHS ${OPENSSL_INCLUDE_PATHS})
find_library (OPENSSL_SSL_LIBRARY ssl PATHS ${OPENSSL_PATHS})
find_library (OPENSSL_CRYPTO_LIBRARY crypto PATHS ${OPENSSL_PATHS})
if (OPENSSL_SSL_LIBRARY AND OPENSSL_CRYPTO_LIBRARY AND OPENSSL_INCLUDE_DIR)
set (OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY})
set (OPENSSL_FOUND 1)
endif ()
endif ()
if (NOT OPENSSL_FOUND)
message (${RECONFIGURE_MESSAGE_LEVEL} "Can't find system ssl")
endif()
endif ()
if (NOT OPENSSL_FOUND AND NOT MISSING_INTERNAL_SSL_LIBRARY)
set (USE_INTERNAL_SSL_LIBRARY 1)
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set (OPENSSL_ROOT_DIR "${ClickHouse_SOURCE_DIR}/contrib/boringssl")
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set (OPENSSL_INCLUDE_DIR "${OPENSSL_ROOT_DIR}/include")
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set (OPENSSL_CRYPTO_LIBRARY crypto)
set (OPENSSL_SSL_LIBRARY ssl)
set (OPENSSL_FOUND 1)
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set (OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY})
endif ()
if(OPENSSL_FOUND)
# we need keep OPENSSL_FOUND for many libs in contrib
set(USE_SSL 1)
endif()
# used by new poco
# part from /usr/share/cmake-*/Modules/FindOpenSSL.cmake, with removed all "EXISTS "
if(OPENSSL_FOUND AND NOT USE_INTERNAL_SSL_LIBRARY)
if(NOT TARGET OpenSSL::Crypto AND
(OPENSSL_CRYPTO_LIBRARY OR
LIB_EAY_LIBRARY_DEBUG OR
LIB_EAY_LIBRARY_RELEASE)
)
add_library(OpenSSL::Crypto UNKNOWN IMPORTED)
set_target_properties(OpenSSL::Crypto PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${OPENSSL_INCLUDE_DIR}")
if(OPENSSL_CRYPTO_LIBRARY)
set_target_properties(OpenSSL::Crypto PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${OPENSSL_CRYPTO_LIBRARY}")
endif()
if(LIB_EAY_LIBRARY_RELEASE)
set_property(TARGET OpenSSL::Crypto APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(OpenSSL::Crypto PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "C"
IMPORTED_LOCATION_RELEASE "${LIB_EAY_LIBRARY_RELEASE}")
endif()
if(LIB_EAY_LIBRARY_DEBUG)
set_property(TARGET OpenSSL::Crypto APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(OpenSSL::Crypto PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "C"
IMPORTED_LOCATION_DEBUG "${LIB_EAY_LIBRARY_DEBUG}")
endif()
endif()
if(NOT TARGET OpenSSL::SSL AND
(OPENSSL_SSL_LIBRARY OR
SSL_EAY_LIBRARY_DEBUG OR
SSL_EAY_LIBRARY_RELEASE)
)
add_library(OpenSSL::SSL UNKNOWN IMPORTED)
set_target_properties(OpenSSL::SSL PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${OPENSSL_INCLUDE_DIR}")
if(OPENSSL_SSL_LIBRARY)
set_target_properties(OpenSSL::SSL PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${OPENSSL_SSL_LIBRARY}")
endif()
if(SSL_EAY_LIBRARY_RELEASE)
set_property(TARGET OpenSSL::SSL APPEND PROPERTY
IMPORTED_CONFIGURATIONS RELEASE)
set_target_properties(OpenSSL::SSL PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "C"
IMPORTED_LOCATION_RELEASE "${SSL_EAY_LIBRARY_RELEASE}")
endif()
if(SSL_EAY_LIBRARY_DEBUG)
set_property(TARGET OpenSSL::SSL APPEND PROPERTY
IMPORTED_CONFIGURATIONS DEBUG)
set_target_properties(OpenSSL::SSL PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "C"
IMPORTED_LOCATION_DEBUG "${SSL_EAY_LIBRARY_DEBUG}")
endif()
if(TARGET OpenSSL::Crypto)
set_target_properties(OpenSSL::SSL PROPERTIES
INTERFACE_LINK_LIBRARIES OpenSSL::Crypto)
endif()
endif()
endif()
message (STATUS "Using ssl=${USE_SSL}: ${OPENSSL_INCLUDE_DIR} : ${OPENSSL_LIBRARIES}")