While installing Wangle, I encountered the following problem. I have already installed boost, and I don't know why.
[ 65%] Built target wangle Linking CXX executable bin/AcceptorTest /usr/bin/ld: warning: libboost_filesystem.so.1.54.0, needed by /usr/local/lib/libfolly.so, may conflict with libboost_filesystem.so.1.61.0 /usr/bin/ld: warning: libboost_system.so.1.54.0, needed by /usr/local/lib/libfolly.so, may conflict with libboost_system.so.1.61.0 /usr/local/lib/libfolly.so: undefined reference toboost::re_detail_106000::perl_matcher >, boost::regex_traits > >::construct_init(boost::basic_regex > > const&, boost::regex_constants::_match_flags)' /usr/local/lib/libfolly.so: undefined reference to boost::re_detail_106000::get_mem_block()' /usr/local/lib/libfolly.so: undefined reference toboost::re_detail_106000::cpp_regex_traits_implementation::transform_primary(char const*, char const*) const' /usr/local/lib/libfolly.so: undefined reference to boost::re_detail_106000::verify_options(unsigned int, boost::regex_constants::_match_flags)' /usr/local/lib/libfolly.so: undefined reference toboost::re_detail_106000::get_default_error_string(boost::regex_constants::error_type)' /usr/local/lib/libfolly.so: undefined reference to boost::re_detail_106000::perl_matcher<__gnu_cxx::__normal_iterator<char const*, std::string>, std::allocator<boost::sub_match<__gnu_cxx::__normal_iterator<char const*, std::string> > >, boost::regex_traits<char, boost::cpp_regex_traits<char> > >::construct_init(boost::basic_regex<char, boost::regex_traits<char, boost::cpp_regex_traits<char> > > const&, boost::regex_constants::_match_flags)' /usr/local/lib/libfolly.so: undefined reference toboost::re_detail_106000::put_mem_block(void*)' /usr/local/lib/libfolly.so: undefined reference to boost::re_detail_106000::raise_runtime_error(std::runtime_error const&)' /usr/local/lib/libfolly.so: undefined reference toboost::re_detail_106000::cpp_regex_traits_implementation::transform(char const*, char const*) const' collect2: error: ld returned 1 exit status
make[2]: *** [bin/AcceptorTest] Error 1
make1: *** [CMakeFiles/AcceptorTest.dir/all] Error 2
make: *** [all] Error 2
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