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75 lines
2.7 KiB
75 lines
2.7 KiB
4 months ago
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# See absl/copts/copts.py and absl/copts/generate_copts.py
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include(GENERATED_AbseilCopts)
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set(ABSL_LSAN_LINKOPTS "")
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set(ABSL_HAVE_LSAN OFF)
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set(ABSL_DEFAULT_LINKOPTS "")
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if (BUILD_SHARED_LIBS AND MSVC)
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set(ABSL_BUILD_DLL TRUE)
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set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
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else()
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set(ABSL_BUILD_DLL FALSE)
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endif()
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if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64" OR "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "AMD64")
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if (MSVC)
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set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_MSVC_X64_FLAGS}")
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else()
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set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_X64_FLAGS}")
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endif()
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elseif("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "arm.*|aarch64")
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if ("${CMAKE_SIZEOF_VOID_P}" STREQUAL "8")
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set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM64_FLAGS}")
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elseif("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
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set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM32_FLAGS}")
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else()
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message(WARNING "Value of CMAKE_SIZEOF_VOID_P (${CMAKE_SIZEOF_VOID_P}) is not supported.")
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endif()
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else()
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message(WARNING "Value of CMAKE_SYSTEM_PROCESSOR (${CMAKE_SYSTEM_PROCESSOR}) is unknown and cannot be used to set ABSL_RANDOM_RANDEN_COPTS")
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set(ABSL_RANDOM_RANDEN_COPTS "")
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endif()
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if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
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set(ABSL_DEFAULT_COPTS "${ABSL_GCC_FLAGS}")
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set(ABSL_TEST_COPTS "${ABSL_GCC_FLAGS};${ABSL_GCC_TEST_FLAGS}")
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elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
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# MATCHES so we get both Clang and AppleClang
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if(MSVC)
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# clang-cl is half MSVC, half LLVM
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set(ABSL_DEFAULT_COPTS "${ABSL_CLANG_CL_FLAGS}")
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set(ABSL_TEST_COPTS "${ABSL_CLANG_CL_FLAGS};${ABSL_CLANG_CL_TEST_FLAGS}")
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set(ABSL_DEFAULT_LINKOPTS "${ABSL_MSVC_LINKOPTS}")
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else()
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set(ABSL_DEFAULT_COPTS "${ABSL_LLVM_FLAGS}")
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set(ABSL_TEST_COPTS "${ABSL_LLVM_FLAGS};${ABSL_LLVM_TEST_FLAGS}")
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if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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# AppleClang doesn't have lsan
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# https://developer.apple.com/documentation/code_diagnostics
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if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.5)
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set(ABSL_LSAN_LINKOPTS "-fsanitize=leak")
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set(ABSL_HAVE_LSAN ON)
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endif()
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endif()
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endif()
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elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
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set(ABSL_DEFAULT_COPTS "${ABSL_MSVC_FLAGS}")
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set(ABSL_TEST_COPTS "${ABSL_MSVC_FLAGS};${ABSL_MSVC_TEST_FLAGS}")
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set(ABSL_DEFAULT_LINKOPTS "${ABSL_MSVC_LINKOPTS}")
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else()
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message(WARNING "Unknown compiler: ${CMAKE_CXX_COMPILER}. Building with no default flags")
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set(ABSL_DEFAULT_COPTS "")
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set(ABSL_TEST_COPTS "")
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endif()
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if("${CMAKE_CXX_STANDARD}" EQUAL 98)
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message(FATAL_ERROR "Abseil requires at least C++11")
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elseif(NOT "${CMAKE_CXX_STANDARD}")
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message(STATUS "No CMAKE_CXX_STANDARD set, assuming 11")
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set(ABSL_CXX_STANDARD 11)
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else()
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set(ABSL_CXX_STANDARD "${CMAKE_CXX_STANDARD}")
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endif()
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