id summary reporter owner description type status milestone component version severity resolution keywords cc 4804 "boost/thread/thread.hpp ""error: cast from 'void*' to 'long int'"" with mingw64" gdavid.devel@… Anthony Williams "On Windows 7 x64, using mingw64, when I build a source file that #include , there are the following errors : {{{ In file included from C:\Boost\include\boost-1_44/boost/thread/win32/thread_data.hpp:12:0, from C:\Boost\include\boost-1_44/boost/thread/thread.hpp:15, from test.cpp:1: C:\Boost\include\boost-1_44/boost/thread/win32/thread_heap_alloc.hpp:59:40: warning: inline function 'void* boost::detail::allocate_raw_heap_memory(unsigned int)' declared as dllimport: attribute ignored C:\Boost\include\boost-1_44/boost/thread/win32/thread_heap_alloc.hpp:69:39: warning: inline function 'void boost::detail::free_raw_heap_memory(void*)' declared as dllimport: attribute ignored In file included from C:\Boost\include\boost-1_44/boost/thread/win32/basic_timed_mutex.hpp:14:0, from C:\Boost\include\boost-1_44/boost/thread/win32/mutex.hpp:8, from C:\Boost\include\boost-1_44/boost/thread/mutex.hpp:14, from C:\Boost\include\boost-1_44/boost/thread/detail/thread.hpp:13, from C:\Boost\include\boost-1_44/boost/thread/thread.hpp:22, from test.cpp:1: C:\Boost\include\boost-1_44/boost/thread/win32/interlocked_read.hpp: In function 'void boost::detail::interlocked_write_release(void* volatile*, void*)': C:\Boost\include\boost-1_44/boost/thread/win32/interlocked_read.hpp:71:13: error: cast from 'void*' to 'long int' loses precision In file included from C:\Boost\include\boost-1_44/boost/thread/win32/mutex.hpp:8:0, from C:\Boost\include\boost-1_44/boost/thread/mutex.hpp:14, from C:\Boost\include\boost-1_44/boost/thread/detail/thread.hpp:13, from C:\Boost\include\boost-1_44/boost/thread/thread.hpp:22, from test.cpp:1: C:\Boost\include\boost-1_44/boost/thread/win32/basic_timed_mutex.hpp: In member function 'void* boost::detail::basic_timed_mutex::get_event()': C:\Boost\include\boost-1_44/boost/thread/win32/basic_timed_mutex.hpp:183:43: error: cast from 'void*' to 'long int' loses precision }}} test case : {{{ #include int main(void) { return 0; } }}} Thanks in advance, David " Bugs closed To Be Determined thread Boost 1.44.0 Problem fixed