Enforce OpenMP build by default, but allow disabling it with a cmake flag
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@ -17,6 +17,7 @@ require_clang_version(3.7)
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# Default value is not to build test cases
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option(BUILD_TESTING "build test cases" OFF)
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option(CRYFS_UPDATE_CHECKS "let cryfs check for updates and security vulnerabilities" ON)
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option(DISABLE_OPENMP "allow building without OpenMP libraries. This will cause performance degradations." OFF)
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# Default value is to build in release mode
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if(NOT CMAKE_BUILD_TYPE)
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13
vendor/cryptopp/CMakeLists.txt
vendored
13
vendor/cryptopp/CMakeLists.txt
vendored
@ -4,14 +4,15 @@ add_library(cryptopp dummy.cpp)
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# note: include directory is called vendor_cryptopp instead of cryptopp to avoid include clashes with system headers
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target_include_directories(cryptopp SYSTEM INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
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find_package(OpenMP)
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if(OPENMP_FOUND)
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message(STATUS "Building crypto++ with OpenMP")
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if(NOT DISABLE_OPENMP)
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find_package(OpenMP)
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if(OPENMP_FOUND)
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set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS})
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target_link_libraries(cryptopp PRIVATE ${OpenMP_CXX_FLAGS})
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else(OPENMP_FOUND)
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message(WARNING "Did not find OpenMP. Performance might be degraded.")
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endif(OPENMP_FOUND)
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else(OPENMP_FOUND)
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message(FATAL_ERROR "Did not find OpenMP. Build with -DDISABLE_OPENMP=ON if you want to allow this and are willing to take the performance hit.")
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endif(OPENMP_FOUND)
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endif(NOT DISABLE_OPENMP)
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set(BUILD_TESTING OFF)
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