scons: Reading SConscript files ... Mkdir("build/scons") scons version: 2.5.0 python version: 2 7 12 'final' 0 Checking whether the C++ compiler works... yes Checking whether the C compiler works... yes Checking if C++ compiler "g++" is GCC... yes Checking if C compiler "gcc" is GCC... yes Detected a x86_64 processor Checking if target OS linux is supported by the toolchain yes Checking if C compiler is GCC 4.8.2 or newer...yes Checking if C++ compiler is GCC 4.8.2 or newer...yes Checking if C compiler supports -Wno-unused-local-typedefs... yes Checking if C compiler supports -Wno-unused-function... yes Checking if C compiler supports -Wno-unused-private-field... no Checking if C compiler supports -Wno-deprecated-declarations... yes Checking if C compiler supports -Wno-tautological-constant-out-of-range-compare... no Checking if C compiler supports -Wno-unused-const-variable... yes Checking if C compiler supports -Wno-unused-but-set-variable... yes Checking if C compiler supports -Wno-missing-braces... yes Checking if C compiler supports -Wno-inconsistent-missing-override... no Checking if C compiler supports -Wno-potentially-evaluated-expression... no Checking if C++ compiler supports -Wpessimizing-move... no Checking if C++ compiler supports -Wredundant-move... no Checking if C++ compiler supports -Wno-maybe-uninitialized... yes Checking if we are using libstdc++... yes Checking if C++ compiler supports -std=c++11... yes Checking if C compiler supports -std=c99... yes Checking for C++11... yes Checking for memset_s... no Checking for C function strnlen()... yes Checking for libstdc++ 4.8.2 or better... yes Checking if we are on a POSIX system... yes Checking if the POSIX monotonic clock is supported... yes Checking off_t is 8 bytes... yes Checking if linker supports -fuse-ld=gold... yes Checking if linker supports -Wl,-z,noexecstack... yes Checking if linker supports -Wl,--warn-execstack... yes Checking if C compiler supports -fno-builtin-memcmp... yes Checking for storage class thread_local yes Checking for storage class __thread yes Checking for storage class __declspec(thread) no Checking for C++11 is_trivially_copyable support... yes Checking for C++14 std::make_unique support... no Checking for C++11 std::align support... no Checking for C library rt... yes Checking for C library dl... yes Checking for C++ header file execinfo.h... yes Checking whether backtrace is declared... yes Checking whether backtrace_symbols is declared... yes Checking whether backtrace_symbols_fd is declared... yes Checking for C library pcap... yes Checking if std::atomic works... yes Checking if std::atomic works... yes Checking if std::atomic works... yes Checking if std::atomic works... yes Checking if __malloc_hook is declared volatile... yes Checking for C function fallocate()... yes Checking for C function sync_file_range()... yes Checking for C header file x86intrin.h... yes