Disable OpenMP on MSVC because it doesn't support OpenMP 4.0 which is needed by crypto++ and then crashes the build.
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3
vendor/cryptopp/CMakeLists.txt
vendored
3
vendor/cryptopp/CMakeLists.txt
vendored
@ -15,10 +15,13 @@ if(NOT DISABLE_OPENMP)
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message(STATUS "Applying workaround for OSX OpenMP")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Xclang -fopenmp")
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target_link_libraries(cryptopp PRIVATE -lomp)
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elseif(MSVC)
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message(WARNING "MSVC does not support the OpenMP 4.0 standard used by Crypto++. Disabling OpenMP. This can cause degraded performance.")
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else()
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find_package(OpenMP)
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if (NOT OpenMP_CXX_LIBRARIES)
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# Older CMake didn't have OpenMP_CXX_LIBRARIES defined yet, but passed the library in OpenMP_CXX_FLAGS
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message(STATUS "We are on an older CMake that does not set OpenMP_CXX_LIBRARIES. Setting it from OpenMP_CXX_FLAGS.")
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set(OpenMP_CXX_LIBRARIES ${OpenMP_CXX_FLAGS})
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endif()
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if(OPENMP_FOUND)
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