Windows (mingw32) compilation

[Andrew Oakley]

I am trying to build an Xserver for windows that based on something half 
recent (actually I'm getting it out of git).  So far I have discovered a 
number of fairly trivial problems which shouldn't be too hard to fix if 
you know the build system (I'm really not good with autotools).

I realise there are some old (unmaintained) windows X servers out there 
such as Xming and Xwin, however no-one seems to have built an Xserver 
using the new build system, so I'm having a go, with the aim of getting 
a working Xinerama/RandR implemtaion for windows.  Any pointers would be 
appreciated :).


xorg/proto/x11proto:
The contents of Xpoll.h are in a huge #ifdef WIN32 ... #else ... #endif. 
  The POSIX version wants to know implementation details for the FD_SET 
structure, and we test for a number of different implementations in the 
configure script.  This fails as we have a windows implementation that 
uses something that isn't tested for.  I think we should have 2 
versions, a POSIX version and a WIN32 version (I just deleted the unused 
half of the file to get it to "build").

xorg/lib/libXdmcp:
We try and use recvfrom (and something else, I can't remember what) but 
don't link against ws2_32.dll (winsock)).  I made this build by adding 
the required "-lws2_32" to the LDFLAGS environment variable.  I get the 
impression that you should be able to fix this by adding ws2_32 to the 
AC_SEARCH_LIBS line in configure.ac, but that didn't seem to work (the 
generated configure script seems broken so that it will always decide 
that no extra libraries are needed).

xcb/pthread-stubs:
I'm somewhat confused as to the purpose of this file.  In any case, we 
try to create pthread_self with the wrong signature, and the comparison 
in __pthread_equal_stub fails.  See pthread-stubs.patch (I get the 
impression this should never actually be called so the undefined return 
doesn't matter).

xcb/libxcb:
It doesn't look like this has ever worked on windows, so I'll have a go 
at hacking it so it does (or at least build so I can continue in my 
quest for an Xserver).  I'm guessing this will take me a while, but I'll 
post a patch (or my troubles with autotools :P) when I'm done.


--
Andrew Oakley
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