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# Set necessary compile and link flags
# C++11 check and activation
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wno-unknown-pragmas -Wextra -DSHAREDLIB -fPIC")
set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g -DETH_DEBUG")
set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG -DETH_RELEASE")
set(CMAKE_CXX_FLAGS_RELEASE "-O4 -DNDEBUG -DETH_RELEASE")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DETH_DEBUG")
set(ETH_SHARED 1)
execute_process(
COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
if (NOT (GCC_VERSION VERSION_GREATER 4.7 OR GCC_VERSION VERSION_EQUAL 4.7))
message(FATAL_ERROR "${PROJECT_NAME} requires g++ 4.7 or greater.")
endif ()
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
set(CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wno-unknown-pragmas -Wextra -DSHAREDLIB -fPIC")
set(CMAKE_CXX_FLAGS_DEBUG "-O0 -g -DETH_DEBUG")
set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os -DNDEBUG -DETH_RELEASE")
set(CMAKE_CXX_FLAGS_RELEASE "-O4 -DNDEBUG -DETH_RELEASE")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DETH_DEBUG")
set(ETH_SHARED 1)
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
# specify Exception Handling Model in msvc
set(CMAKE_C_FLAGS "/EHsc")
set(CMAKE_CXX_FLAGS "/EHsc")
# windows likes static
set(ETH_STATIC 1)
else ()
message(FATAL_ERROR "Your C++ compiler does not support C++11. You have ${CMAKE_CXX_COMPILER_ID}")
endif ()