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@@ -31,9 +31,9 @@ if(${CMAKE_C_COMPILER_ID} MATCHES "Clang" OR ${CMAKE_CXX_COMPILER_ID} MATCHES "C
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endif()
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if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANG)
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- set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wno-unused-function ${CMAKE_CXX_FLAGS}")
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- set(CMAKE_C_FLAGS "-Wall -Wextra -Wno-unused-function -Wno-missing-field-initializers ${CMAKE_C_FLAGS} -std=gnu99")
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-
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+ set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wno-unused-function -Werror-implicit-function-declaration -Wno-missing-field-initializers ${CMAKE_CXX_FLAGS}")
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+ set(CMAKE_C_FLAGS "-Wall -Wextra -Wno-unused-function -Werror-implicit-function-declaration ${CMAKE_C_FLAGS} -std=gnu99")
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+
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option(USE_LIBC++ "Use libc++ instead of libstdc++" ${APPLE})
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if(USE_LIBC++)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
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BtbN