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include(CompileCheck)
if(CMAKE_BUILD_TYPE STREQUAL "")
set(CMAKE_BUILD_TYPE "Release")
endif()
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
add_definitions(-DDEBUG)
set(DEBUG 1)
check_compiler_flag(RESULT "-g3")
if(NOT RESULT STREQUAL "")
string(REGEX REPLACE "-g(|[0-9]|gdb)" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${RESULT}")
endif()
check_compiler_flag(RESULT "-O0")
string(REGEX REPLACE "-O[0-9]" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${RESULT}")
endif()
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