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80 lines
3.4 KiB
80 lines
3.4 KiB
# Set necessary compile and link flags
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# C++11 check and activation
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if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
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set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wno-unknown-pragmas -Wextra -Werror -pedantic -DSHAREDLIB -fPIC ${CMAKE_CXX_FLAGS}")
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set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g -DETH_DEBUG")
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set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG -DETH_RELEASE")
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set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG -DETH_RELEASE")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DETH_RELEASE")
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execute_process(
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COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
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if (NOT (GCC_VERSION VERSION_GREATER 4.7 OR GCC_VERSION VERSION_EQUAL 4.7))
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message(FATAL_ERROR "${PROJECT_NAME} requires g++ 4.7 or greater.")
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endif ()
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elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
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set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wno-unknown-pragmas -Wextra -DSHAREDLIB -fPIC")
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set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g -DETH_DEBUG")
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set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG -DETH_RELEASE")
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set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG -DETH_RELEASE")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DETH_DEBUG")
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if ("${CMAKE_SYSTEM_NAME}" MATCHES "Linux")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libstdc++ -fcolor-diagnostics -Qunused-arguments -DBOOST_ASIO_HAS_CLANG_LIBCXX")
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endif()
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
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# enable parallel compilation
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# specify Exception Handling Model in msvc
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# disable unknown pragma warning (4068)
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# disable unsafe function warning (4996)
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# disable decorated name length exceeded, name was truncated (4503)
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# disable warning C4535: calling _set_se_translator() requires /EHa (for boost tests)
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# declare Windows XP requirement
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# undefine windows.h MAX && MIN macros cause it cause conflicts with std::min && std::max functions
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add_compile_options(/MP /EHsc /wd4068 /wd4996 /wd4503 -D_WIN32_WINNT=0x0501 /DNOMINMAX)
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# disable empty object file warning
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set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /ignore:4221")
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# warning LNK4075: ignoring '/EDITANDCONTINUE' due to '/SAFESEH' specification
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# warning LNK4099: pdb was not found with lib
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# stack size 16MB
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /ignore:4099,4075 /STACK:16777216")
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# windows likes static
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if (NOT ETH_STATIC)
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message("Forcing static linkage for MSVC.")
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set(ETH_STATIC 1)
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endif ()
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else ()
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message(WARNING "Your compiler is not tested, if you run into any issues, we'd welcome any patches.")
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endif ()
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if (PROFILING AND (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")))
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set(CMAKE_CXX_FLAGS "-g ${CMAKE_CXX_FLAGS}")
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set(CMAKE_C_FLAGS "-g ${CMAKE_C_FLAGS}")
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add_definitions(-DETH_PROFILING_GPERF)
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -lprofiler")
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# set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} -lprofiler")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lprofiler")
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endif ()
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if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang"))
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option(USE_LD_GOLD "Use GNU gold linker" ON)
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if (USE_LD_GOLD)
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execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
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if ("${LD_VERSION}" MATCHES "GNU gold")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fuse-ld=gold")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fuse-ld=gold")
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endif ()
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endif ()
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endif ()
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if(ETH_STATIC)
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set(BUILD_SHARED_LIBS OFF)
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else()
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set(BUILD_SHARED_LIBS ON)
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endif(ETH_STATIC)
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