I get a build errors on RHEL 7.4 with g++ 4.8.5:
# make
g++ -std=c++11 -Wall -pthread -O3 -Iinclude -o core-latency main.cpp
In file included from include/nonius/configuration.h++:17:0,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
include/nonius/param.h++: In member function ‘nonius::param nonius::param::parse(const string&) const’:
include/nonius/param.h++:103:38: error: use of deleted function ‘std::basic_stringstream::basic_stringstream(const std::basic_stringstream&)’
auto ss = std::stringstream{s};
^
In file included from /usr/include/boost/lexical_cast.hpp:62:0,
from include/nonius/param.h++:19,
from include/nonius/configuration.h++:17,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
/usr/include/c++/4.8.2/sstream:502:11: note: ‘std::basic_stringstream::basic_stringstream(const std::basic_stringstream&)’ is implicitly deleted because the default definition would be ill-formed:
class basic_stringstream : public basic_iostream<_CharT, _Traits>
^
/usr/include/c++/4.8.2/sstream:502:11: error: use of deleted function ‘std::basic_iostream::basic_iostream(const std::basic_iostream&)’
In file included from /usr/include/c++/4.8.2/sstream:38:0,
from /usr/include/boost/lexical_cast.hpp:62,
from include/nonius/param.h++:19,
from include/nonius/configuration.h++:17,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
/usr/include/c++/4.8.2/istream:795:11: note: ‘std::basic_iostream::basic_iostream(const std::basic_iostream&)’ is implicitly deleted because the default definition would be ill-formed:
class basic_iostream
^
/usr/include/c++/4.8.2/istream:795:11: error: use of deleted function ‘std::basic_istream::basic_istream(const std::basic_istream&)’
/usr/include/c++/4.8.2/istream:58:11: note: ‘std::basic_istream::basic_istream(const std::basic_istream&)’ is implicitly deleted because the default definition would be ill-formed:
class basic_istream : virtual public basic_ios<_CharT, _Traits>
^
/usr/include/c++/4.8.2/istream:58:11: error: use of deleted function ‘std::basic_ios::basic_ios(const std::basic_ios&)’
In file included from /usr/include/c++/4.8.2/ios:44:0,
from /usr/include/boost/detail/lcast_precision.hpp:12,
from /usr/include/boost/lexical_cast.hpp:42,
from include/nonius/param.h++:19,
from include/nonius/configuration.h++:17,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
/usr/include/c++/4.8.2/bits/basic_ios.h:66:11: note: ‘std::basic_ios::basic_ios(const std::basic_ios&)’ is implicitly deleted because the default definition would be ill-formed:
class basic_ios : public ios_base
^
In file included from /usr/include/c++/4.8.2/ios:42:0,
from /usr/include/boost/detail/lcast_precision.hpp:12,
from /usr/include/boost/lexical_cast.hpp:42,
from include/nonius/param.h++:19,
from include/nonius/configuration.h++:17,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
/usr/include/c++/4.8.2/bits/ios_base.h:786:5: error: ‘std::ios_base::ios_base(const std::ios_base&)’ is private
ios_base(const ios_base&);
^
In file included from /usr/include/c++/4.8.2/ios:44:0,
from /usr/include/boost/detail/lcast_precision.hpp:12,
from /usr/include/boost/lexical_cast.hpp:42,
from include/nonius/param.h++:19,
from include/nonius/configuration.h++:17,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
/usr/include/c++/4.8.2/bits/basic_ios.h:66:11: error: within this context
class basic_ios : public ios_base
^
In file included from /usr/include/c++/4.8.2/sstream:38:0,
from /usr/include/boost/lexical_cast.hpp:62,
from include/nonius/param.h++:19,
from include/nonius/configuration.h++:17,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
/usr/include/c++/4.8.2/istream:795:11: error: use of deleted function ‘std::basic_ostream::basic_ostream(const std::basic_ostream&)’
class basic_iostream
^
In file included from /usr/include/c++/4.8.2/istream:39:0,
from /usr/include/c++/4.8.2/sstream:38,
from /usr/include/boost/lexical_cast.hpp:62,
from include/nonius/param.h++:19,
from include/nonius/configuration.h++:17,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
/usr/include/c++/4.8.2/ostream:58:11: note: ‘std::basic_ostream::basic_ostream(const std::basic_ostream&)’ is implicitly deleted because the default definition would be ill-formed:
class basic_ostream : virtual public basic_ios<_CharT, _Traits>
^
/usr/include/c++/4.8.2/ostream:58:11: error: use of deleted function ‘std::basic_ios::basic_ios(const std::basic_ios&)’
In file included from /usr/include/c++/4.8.2/sstream:38:0,
from /usr/include/boost/lexical_cast.hpp:62,
from include/nonius/param.h++:19,
from include/nonius/configuration.h++:17,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
/usr/include/c++/4.8.2/istream:795:11: error: use of deleted function ‘std::basic_ios::basic_ios(const std::basic_ios&)’
class basic_iostream
^
In file included from /usr/include/boost/lexical_cast.hpp:62:0,
from include/nonius/param.h++:19,
from include/nonius/configuration.h++:17,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
/usr/include/c++/4.8.2/sstream:502:11: error: use of deleted function ‘std::basic_ios::basic_ios(const std::basic_ios&)’
class basic_stringstream : public basic_iostream<_CharT, _Traits>
^
/usr/include/c++/4.8.2/sstream:502:11: error: use of deleted function ‘std::basic_stringbuf::basic_stringbuf(const std::basic_stringbuf&)’
/usr/include/c++/4.8.2/sstream:64:11: note: ‘std::basic_stringbuf::basic_stringbuf(const std::basic_stringbuf&)’ is implicitly deleted because the default definition would be ill-formed:
class basic_stringbuf : public basic_streambuf<_CharT, _Traits>
^
In file included from /usr/include/c++/4.8.2/ios:43:0,
from /usr/include/boost/detail/lcast_precision.hpp:12,
from /usr/include/boost/lexical_cast.hpp:42,
from include/nonius/param.h++:19,
from include/nonius/configuration.h++:17,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
/usr/include/c++/4.8.2/streambuf:802:7: error: ‘std::basic_streambuf<_CharT, _Traits>::basic_streambuf(const std::basic_streambuf<_CharT, _Traits>&) [with _CharT = char; _Traits = std::char_traits]’ is private
basic_streambuf(const basic_streambuf& __sb)
^
In file included from /usr/include/boost/lexical_cast.hpp:62:0,
from include/nonius/param.h++:19,
from include/nonius/configuration.h++:17,
from include/nonius/benchmark.h++:18,
from include/nonius/nonius.h++:18,
from main.cpp:8:
/usr/include/c++/4.8.2/sstream:64:11: error: within this context
class basic_stringbuf : public basic_streambuf<_CharT, _Traits>
^
make: *** [core-latency] Error 1