The asio tests fail to build on Solaris 10 with gcc 4.2.1 due to apparent changes in the Boost.System library. Chris, see also warnings about 'missing braces aroung initializer': "/openpkg-current/bin/g++" -ftemplate-depth-128 -O0 -fno-inline -Wall -g -fPIC -pthreads -DBOOST_ALL_ NO_LIB=1 -DBOOST_ASIO_DISABLE_EPOLL -DBOOST_ASIO_DISABLE_IOCP -DBOOST_ASIO_DISABLE_KQUEUE -DBOOST_DATE_TIME _DYN_LINK=1 -DBOOST_THREAD_BUILD_DLL=1 -DDATE_TIME_INLINE -D_XOPEN_SOURCE=500 -D__EXTENSIONS__ -I"../../.. " -c -o "../../../bin.v2/libs/asio/test/buffered_stream_select.test/gcc-4.2.1_sunos_i86pc/debug/threading-m ulti/buffered_stream.o" "buffered_stream.cpp" In file included from ../../../boost/asio/buffered_read_stream.hpp:29, from ../../../boost/asio/buffered_stream.hpp:25, from buffered_stream.cpp:17: ../../../boost/asio/error.hpp:89: error: 'wstring_t' in namespace 'boost::system' does not name a type ../../../boost/asio/error.hpp:95: error: 'wstring_t' in namespace 'boost::system' does not name a type ../../../boost/asio/error.hpp:102: error: 'wstring_t' in namespace 'boost::system' does not name a type ../../../boost/asio/error.hpp:107: error: 'wstring_t' in namespace 'boost::system' does not name a type ../../../boost/asio/error.hpp: In static member function 'static boost::system::error_category boost::asio: :detail::error_base<T>::netdb_ecat()': ../../../boost/asio/error.hpp:239: error: 'new_category' is not a member of 'boost::system::error_code' ../../../boost/asio/error.hpp: In static member function 'static int boost::asio::detail::error_base<T>::ne tdb_ed(const boost::system::error_code&)': ../../../boost/asio/error.hpp:247: error: 'EOTHER' was not declared in this scope ../../../boost/asio/error.hpp: At global scope: ../../../boost/asio/error.hpp:265: error: expected constructor, destructor, or type conversion before 'error_base' ../../../boost/asio/error.hpp: In static member function 'static boost::system::error_category boost::asio::detail::error_base<T>::addrinfo_ecat()': ../../../boost/asio/error.hpp:283: error: 'new_category' is not a member of 'boost::system::error_code' ../../../boost/asio/error.hpp: In static member function 'static int boost::asio::detail::error_base<T>::addrinfo_ed(const boost::system::error_code&)': ../../../boost/asio/error.hpp:291: error: 'EOTHER' was not declared in this scope ../../../boost/asio/error.hpp: At global scope: ../../../boost/asio/error.hpp:305: error: expected constructor, destructor, or type conversion before 'erro r_base' ../../../boost/asio/error.hpp: In static member function 'static boost::system::error_category boost::asio: :detail::error_base<T>::misc_ecat()': ../../../boost/asio/error.hpp:321: error: 'new_category' is not a member of 'boost::system::error_code' ../../../boost/asio/error.hpp: In static member function 'static int boost::asio::detail::error_base<T>::misc_ed(const boost::system::error_code&)': ../../../boost/asio/error.hpp:329: error: 'EOTHER' was not declared in this scope ../../../boost/asio/error.hpp: At global scope: ../../../boost/asio/error.hpp:345: error: expected constructor, destructor, or type conversion before 'error_base' ../../../boost/asio/error.hpp: In static member function 'static boost::system::error_category boost::asio::detail::error_base<T>::ssl_ecat()': ../../../boost/asio/error.hpp:361: error: 'new_category' is not a member of 'boost::system::error_code' ../../../boost/asio/error.hpp: In static member function 'static int boost::asio::detail::error_base<T>::ssl_ed(const boost::system::error_code&)': ../../../boost/asio/error.hpp:369: error: 'EOTHER' was not declared in this scope ../../../boost/asio/error.hpp: At global scope: ../../../boost/asio/error.hpp:379: error: expected constructor, destructor, or type conversion before 'error_base' In file included from ../../../boost/asio/ip/address.hpp:28, from ../../../boost/asio.hpp:41, from buffered_stream.cpp:21: ../../../boost/asio/ip/address_v6.hpp: In constructor 'boost::asio::ip::address_v6::address_v6()': ../../../boost/asio/ip/address_v6.hpp:58: warning: missing braces around initializer for 'in6_addr::<anonymous union>' ../../../boost/asio/ip/address_v6.hpp:58: warning: missing braces around initializer for 'uint8_t [16]' ../../../boost/asio/ip/address_v6.hpp: In static member function 'static boost::asio::ip::address_v6 boost::asio::ip::address_v6::loopback()': ../../../boost/asio/ip/address_v6.hpp:340: warning: missing braces around initializer for 'in6_addr::<anonymous union>' ../../../boost/asio/ip/address_v6.hpp:340: warning: missing braces around initializer for 'uint8_t [16]' ../../../boost/asio/ip/basic_endpoint.hpp: In constructor 'boost::asio::ip::basic_endpoint<InternetProtocol>::basic_endpoint(const InternetProtocol&, short unsigned int) [with InternetProtocol = boost::asio::ip::tcp]': buffered_stream.cpp:34: instantiated from here ../../../boost/asio/ip/basic_endpoint.hpp:121: warning: missing braces around initializer for 'in6_addr::<anonymous union>' ../../../boost/asio/ip/basic_endpoint.hpp:121: warning: missing braces around initializer for 'uint8_t [16]' ../../../boost/noncopyable.hpp: In copy constructor 'boost::system::error_category::error_category(const boost::system::error_category&)': ../../../boost/noncopyable.hpp:27: error: 'boost::noncopyable_::noncopyable::noncopyable(const boost::noncopyable_::noncopyable&)' is private ../../../boost/system/error_code.hpp:146: error: within this context ../../../boost/asio/error.hpp: At global scope: ../../../boost/asio/error.hpp:426: note: synthesized method 'boost::system::error_category::error_category(const boost::system::error_category&)' first required here -- Caleb Epstein