If trying to compile the code (Windows XP, SDK v6.1) and you get the following types of errors:
c:\phpdev\php-5.2.9\main\php_network.h(128) : warning C4005: 'POLLIN' : macro redefinition
c:\program files\microsoft sdks\windows\v6.1\include\winsock2.h(1495) :
see previous definition of 'POLLIN'
c:\phpdev\php-5.2.9\main\php_network.h(129) : warning C4005: 'POLLPRI' : macro redefinition
c:\program files\microsoft sdks\windows\v6.1\include\winsock2.h(1496) :
see previous definition of 'POLLPRI'
c:\phpdev\php-5.2.9\main\php_network.h(130) : warning C4005: 'POLLOUT' : macro redefinition
c:\program files\microsoft sdks\windows\v6.1\include\winsock2.h(1499) :
see previous definition of 'POLLOUT'
c:\phpdev\php-5.2.9\main\php_network.h(131) : warning C4005: 'POLLERR' : macro redefinition
c:\program files\microsoft sdks\windows\v6.1\include\winsock2.h(1502) :
see previous definition of 'POLLERR'
c:\phpdev\php-5.2.9\main\php_network.h(132) : warning C4005: 'POLLHUP' : macro redefinition
c:\program files\microsoft sdks\windows\v6.1\include\winsock2.h(1503) :
see previous definition of 'POLLHUP'
c:\phpdev\php-5.2.9\main\php_network.h(133) : warning C4005: 'POLLNVAL' : macro redefinition
c:\program files\microsoft sdks\windows\v6.1\include\winsock2.h(1504) :
see previous definition of 'POLLNVAL'
NMAKE : fatal error U1077: '"C:\Program Files\Microsoft Visual Studio 9.0\VC\BIN
\cl.exe"' : return code '0x2'
Stop.
You can alter the Makefile and add the following switch to CFLAGS:
/D _WIN32_WINNT