298 lines
6.2 KiB
CMake
298 lines
6.2 KiB
CMake
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include(CheckIncludeFile)
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include(CheckFunctionExists)
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include(CheckSymbolExists)
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include(CheckTypeSize)
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include(CheckCXXSourceCompiles)
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option(USE_MBEDTLS "Enable MbedTLS" OFF)
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find_package(Backtrace)
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find_package(Threads REQUIRED)
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find_package(ZLIB)
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if (USE_MBEDTLS)
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find_package(MBEDTLS)
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else()
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find_package(OpenSSL "1.1.1")
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endif()
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option(USE_OPENSSL "Enable OpenSSL" ${OPENSSL_FOUND})
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option(USE_UNIXSOCK "Enable Unix Domain Sockets" ON)
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option(USE_TRACE "Enable Tracing helpers" OFF)
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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message(STATUS "Setting build type to 'Debug' as none was specified.")
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set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose the type of build."
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FORCE)
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endif()
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check_symbol_exists("arc4random" "stdlib.h" HAVE_ARC4RANDOM)
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if(HAVE_ARC4RANDOM)
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list(APPEND RE_DEFINITIONS HAVE_ARC4RANDOM)
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endif()
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if(ZLIB_FOUND)
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list(APPEND RE_DEFINITIONS USE_ZLIB)
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endif()
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check_include_file(syslog.h HAVE_SYSLOG_H)
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if(HAVE_SYSLOG_H)
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list(APPEND RE_DEFINITIONS HAVE_SYSLOG)
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endif()
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check_include_file(getopt.h HAVE_GETOPT_H)
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if(HAVE_GETOPT_H)
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list(APPEND RE_DEFINITIONS HAVE_GETOPT)
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endif()
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check_include_file(unistd.h HAVE_UNISTD_H)
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if(HAVE_UNISTD_H)
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list(APPEND RE_DEFINITIONS HAVE_UNISTD_H)
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endif()
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if(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
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check_symbol_exists(res_init resolv.h HAVE_RESOLV)
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else()
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check_symbol_exists(res_ninit resolv.h HAVE_RESOLV)
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endif()
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if(HAVE_RESOLV AND ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
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list(APPEND RE_DEFINITIONS HAVE_RESOLV)
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set(RESOLV_LIBRARY) # Provided by libc
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elseif(HAVE_RESOLV)
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set(RESOLV_LIBRARY resolv)
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list(APPEND RE_DEFINITIONS HAVE_RESOLV)
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else()
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set(RESOLV_LIBRARY)
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endif()
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if(Backtrace_FOUND)
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list(APPEND RE_DEFINITIONS HAVE_EXECINFO)
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else()
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set(Backtrace_LIBRARIES)
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endif()
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check_function_exists(thrd_create HAVE_THREADS_FUN)
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check_include_file(threads.h HAVE_THREADS_H)
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if(HAVE_THREADS_FUN AND HAVE_THREADS_H)
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set(HAVE_THREADS CACHE BOOL true)
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endif()
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if(HAVE_THREADS)
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list(APPEND RE_DEFINITIONS HAVE_THREADS)
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endif()
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if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
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check_function_exists(accept4 HAVE_ACCEPT4)
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if(HAVE_ACCEPT4)
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list(APPEND RE_DEFINITIONS HAVE_ACCEPT4)
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endif()
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endif()
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if(CMAKE_USE_PTHREADS_INIT)
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list(APPEND RE_DEFINITIONS HAVE_PTHREAD)
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set(HAVE_PTHREAD ON)
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endif()
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if(UNIX)
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check_symbol_exists(epoll_create "sys/epoll.h" HAVE_EPOLL)
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if(HAVE_EPOLL)
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list(APPEND RE_DEFINITIONS HAVE_EPOLL)
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endif()
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check_symbol_exists(kqueue "sys/types.h;sys/event.h" HAVE_KQUEUE)
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if(HAVE_KQUEUE)
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list(APPEND RE_DEFINITIONS HAVE_KQUEUE)
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endif()
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endif()
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check_include_file(sys/prctl.h HAVE_PRCTL)
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if(HAVE_PRCTL)
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list(APPEND RE_DEFINITIONS HAVE_PRCTL)
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endif()
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list(APPEND RE_DEFINITIONS
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HAVE_ATOMIC
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HAVE_SELECT
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)
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if(UNIX)
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list(APPEND RE_DEFINITIONS
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HAVE_PWD_H
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HAVE_SETRLIMIT
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HAVE_STRERROR_R
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HAVE_STRINGS_H
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HAVE_SYS_TIME_H
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HAVE_UNAME
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HAVE_SELECT_H
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HAVE_SIGNAL
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HAVE_FORK
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)
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if(NOT ANDROID)
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list(APPEND RE_DEFINITIONS HAVE_GETIFADDRS)
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endif()
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if(NOT IOS)
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list(APPEND RE_DEFINITIONS HAVE_ROUTE_LIST)
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endif()
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endif()
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if(MSVC)
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list(APPEND RE_DEFINITIONS
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HAVE_IO_H
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_CRT_SECURE_NO_WARNINGS
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)
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endif()
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if(WIN32)
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list(APPEND RE_DEFINITIONS
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WIN32
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_WIN32_WINNT=0x0600
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)
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unset(CMAKE_EXTRA_INCLUDE_FILES)
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set(CMAKE_EXTRA_INCLUDE_FILES "winsock2.h;qos2.h")
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check_type_size("QOS_FLOWID" HAVE_QOS_FLOWID BUILTIN_TYPES_ONLY)
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check_type_size("PQOS_FLOWID" HAVE_PQOS_FLOWID BUILTIN_TYPES_ONLY)
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unset(CMAKE_EXTRA_INCLUDE_FILES)
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if(HAVE_QOS_FLOWID)
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list(APPEND RE_DEFINITIONS HAVE_QOS_FLOWID)
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endif()
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if(HAVE_PQOS_FLOWID)
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list(APPEND RE_DEFINITIONS HAVE_PQOS_FLOWID)
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endif()
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endif()
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if(USE_OPENSSL)
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list(APPEND RE_DEFINITIONS
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USE_DTLS
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USE_OPENSSL
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USE_OPENSSL_AES
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USE_OPENSSL_HMAC
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USE_TLS
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)
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endif()
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if(USE_MBEDTLS)
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list(APPEND RE_DEFINITIONS
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USE_MBEDTLS
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)
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endif()
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if(USE_UNIXSOCK)
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list(APPEND RE_DEFINITIONS
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HAVE_UNIXSOCK=1
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)
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else()
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list(APPEND RE_DEFINITIONS
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HAVE_UNIXSOCK=0
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)
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endif()
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if(USE_TRACE)
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list(APPEND RE_DEFINITIONS
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RE_TRACE_ENABLED
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)
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endif()
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if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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list(APPEND RE_DEFINITIONS DARWIN)
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include_directories(/opt/local/include)
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "iOS")
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list(APPEND RE_DEFINITIONS DARWIN)
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
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list(APPEND RE_DEFINITIONS FREEBSD)
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
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list(APPEND RE_DEFINITIONS OPENBSD)
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
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list(APPEND RE_DEFINITIONS LINUX)
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endif()
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list(APPEND RE_DEFINITIONS
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ARCH="${CMAKE_SYSTEM_PROCESSOR}"
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OS="${CMAKE_SYSTEM_NAME}"
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$<$<NOT:$<CONFIG:DEBUG>>:RELEASE>
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)
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if(NOT ${CMAKE_BUILD_TYPE} MATCHES "[Rr]el")
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if(Backtrace_FOUND)
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set(CMAKE_ENABLE_EXPORTS ON)
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endif()
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endif()
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##############################################################################
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#
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# Linking LIBS
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#
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set(RE_LIBS Threads::Threads ${RESOLV_LIBRARY})
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if(BACKTRACE_FOUND)
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list(APPEND RE_LIBS ${Backtrace_LIBRARIES})
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endif()
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if(ZLIB_FOUND)
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list(APPEND RE_LIBS ZLIB::ZLIB)
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endif()
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if(USE_OPENSSL)
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list(APPEND RE_LIBS OpenSSL::SSL OpenSSL::Crypto)
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endif()
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if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
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list(APPEND RE_LIBS
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"-framework SystemConfiguration" "-framework CoreFoundation"
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)
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endif()
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if(WIN32)
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list(APPEND RE_LIBS
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qwave
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iphlpapi
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wsock32
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ws2_32
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dbghelp
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)
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else()
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list(APPEND RE_LIBS m)
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endif()
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if(UNIX)
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list(APPEND RE_LIBS
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${CMAKE_DL_LIBS}
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)
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endif()
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##############################################################################
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#
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# Testing Atomic
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#
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enable_language(CXX)
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set(ATOMIC_TEST_CODE "
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#include <atomic>
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#include <cstdint>
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std::atomic<uint8_t> n8 (0); // riscv64
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std::atomic<uint64_t> n64 (0); // armel, mipsel, powerpc
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int main() {
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++n8;
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++n64;
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return 0;
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}")
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check_cxx_source_compiles("${ATOMIC_TEST_CODE}" atomic_test)
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if(NOT atomic_test)
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} atomic)
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check_cxx_source_compiles("${ATOMIC_TEST_CODE}" atomic_test_lib)
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if(NOT atomic_test_lib)
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message(FATAL_ERROR "No builtin or libatomic support")
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else()
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list(APPEND RE_LIBS atomic)
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endif()
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endif()
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