mirror of
https://github.com/QuilibriumNetwork/ceremonyclient.git
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dbd95bd9e9
* v2.1.0 [omit consensus and adjacent] - this commit will be amended with the full release after the file copy is complete * 2.1.0 main node rollup
22 lines
851 B
CMake
22 lines
851 B
CMake
OPTION(USE_RANDOM_DEVICE "Enable RDSEED instruction" OFF)
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include(CheckCSourceRuns)
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# Use rdseed if available
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unset(RDSEED_COMPILE_RESULT CACHE)
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unset(RDSEED_RUN_RESULT CACHE)
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set(CMAKE_REQUIRED_FLAGS "-mrdseed") # in case CMAKE_C_FLAGS doesn't have it, ex. if add_compile_options is used instead
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check_c_source_runs("#include <x86intrin.h>\nint main(){\nunsigned long long r;\n_rdseed64_step(&r);\nreturn 0;\n}\n" RDSEED_RUN_RESULT)
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string(COMPARE EQUAL "${RDSEED_RUN_RESULT}" "1" RDSEED_RUN_SUCCESS)
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IF(NOT ${RDSEED_RUN_SUCCESS})
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set(USE_RANDOM_DEVICE ON)
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ENDIF(NOT ${RDSEED_RUN_SUCCESS})
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IF(${USE_RANDOM_DEVICE})
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ADD_DEFINITIONS(-DEMP_ENABLE_RDSEED)
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message("${Red}-- Source of Randomness: random_device${ColourReset}")
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ELSE(${USE_RANDOM_DEVICE})
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message("${Green}-- Source of Randomness: rdseed${ColourReset}")
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ENDIF(${USE_RANDOM_DEVICE})
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