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115 lines
3.4 KiB
CMake
115 lines
3.4 KiB
CMake
# original file from obs-studio:
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# https://github.com/obsproject/obs-studio
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# /cmake/Modules/FindMbedTLS.cmake
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#
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# Once done these will be defined:
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#
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# LIBMBEDTLS_FOUND
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# LIBMBEDTLS_INCLUDE_DIRS
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# LIBMBEDTLS_LIBRARIES
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#
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# For use in OBS:
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#
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# MBEDTLS_INCLUDE_DIR
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find_package(PkgConfig QUIET)
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if (PKG_CONFIG_FOUND)
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pkg_check_modules(_MBEDTLS QUIET mbedtls)
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endif()
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(_lib_suffix 64)
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else()
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set(_lib_suffix 32)
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endif()
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# If we're on MacOS or Linux, please try to statically-link mbedtls.
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if(STATIC_MBEDTLS AND (APPLE OR UNIX))
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set(_MBEDTLS_LIBRARIES libmbedtls.a)
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set(_MBEDCRYPTO_LIBRARIES libmbedcrypto.a)
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set(_MBEDX509_LIBRARIES libmbedx509.a)
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endif()
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find_path(MBEDTLS_INCLUDE_DIR
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NAMES mbedtls/ssl.h
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HINTS
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${MBEDTLS_PREFIX}
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PATHS
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/usr/include /usr/local/include /opt/local/include /sw/include
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PATH_SUFFIXES
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include)
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find_library(MBEDTLS_LIB
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NAMES ${_MBEDTLS_LIBRARIES} mbedtls libmbedtls
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HINTS
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${MBEDTLS_PREFIX}
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PATHS
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/usr/lib /usr/local/lib /opt/local/lib /sw/lib
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PATH_SUFFIXES
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lib${_lib_suffix} lib
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libs${_lib_suffix} libs
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bin${_lib_suffix} bin
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../lib${_lib_suffix} ../lib
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../libs${_lib_suffix} ../libs
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../bin${_lib_suffix} ../bin)
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find_library(MBEDCRYPTO_LIB
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NAMES ${_MBEDCRYPTO_LIBRARIES} mbedcrypto libmbedcrypto
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HINTS
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${MBEDTLS_PREFIX}
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PATHS
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/usr/lib /usr/local/lib /opt/local/lib /sw/lib
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PATH_SUFFIXES
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lib${_lib_suffix} lib
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libs${_lib_suffix} libs
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bin${_lib_suffix} bin
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../lib${_lib_suffix} ../lib
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../libs${_lib_suffix} ../libs
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../bin${_lib_suffix} ../bin)
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find_library(MBEDX509_LIB
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NAMES ${_MBEDX509_LIBRARIES} mbedx509 libmbedx509
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HINTS
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${MBEDTLS_PREFIX}
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PATHS
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/usr/lib /usr/local/lib /opt/local/lib /sw/lib
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PATH_SUFFIXES
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lib${_lib_suffix} lib
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libs${_lib_suffix} libs
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bin${_lib_suffix} bin
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../lib${_lib_suffix} ../lib
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../libs${_lib_suffix} ../libs
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../bin${_lib_suffix} ../bin)
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# Sometimes mbedtls is split between three libs, and sometimes it isn't.
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# If it isn't, let's check if the symbols we need are all in MBEDTLS_LIB.
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if(MBEDTLS_LIB AND NOT MBEDCRYPTO_LIB AND NOT MBEDX509_LIB)
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set(CMAKE_REQUIRED_LIBRARIES ${MBEDTLS_LIB})
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set(CMAKE_REQUIRED_INCLUDES ${MBEDTLS_INCLUDE_DIR})
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check_symbol_exists(mbedtls_x509_crt_init "mbedtls/x509_crt.h" MBEDTLS_INCLUDES_X509)
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check_symbol_exists(mbedtls_sha256_init "mbedtls/sha256.h" MBEDTLS_INCLUDES_CRYPTO)
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unset(CMAKE_REQUIRED_INCLUDES)
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unset(CMAKE_REQUIRED_LIBRARIES)
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endif()
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# If we find all three libraries, then go ahead.
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if(MBEDTLS_LIB AND MBEDCRYPTO_LIB AND MBEDX509_LIB)
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set(LIBMBEDTLS_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR})
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set(LIBMBEDTLS_LIBRARIES ${MBEDTLS_LIB} ${MBEDCRYPTO_LIB} ${MBEDX509_LIB})
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set(MBEDTLS_INCLUDE_DIRS ${LIBMBEDTLS_INCLUDE_DIRS})
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set(MBEDTLS_LIBRARIES ${LIBMBEDTLS_LIBRARIES})
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# Otherwise, if we find MBEDTLS_LIB, and it has both CRYPTO and x509
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# within the single lib (i.e. a windows build environment), then also
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# feel free to go ahead.
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elseif(MBEDTLS_LIB AND MBEDTLS_INCLUDES_CRYPTO AND MBEDTLS_INCLUDES_X509)
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set(LIBMBEDTLS_INCLUDE_DIRS ${MBEDTLS_INCLUDE_DIR})
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set(LIBMBEDTLS_LIBRARIES ${MBEDTLS_LIB})
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set(MBEDTLS_INCLUDE_DIRS ${LIBMBEDTLS_INCLUDE_DIRS})
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set(MBEDTLS_LIBRARIES ${LIBMBEDTLS_LIBRARIES})
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endif()
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# Now we've accounted for the 3-vs-1 library case:
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(MbedTLS DEFAULT_MSG MBEDTLS_LIBRARIES MBEDTLS_INCLUDE_DIRS)
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mark_as_advanced(MBEDTLS_INCLUDE_DIR MBEDTLS_LIBRARIES MBEDTLS_INCLUDE_DIRS)
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