Windows (mingw32) compilation
andrew at ado.is-a-geek.net
Mon Apr 14 15:15:44 PDT 2008
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
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").
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).
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
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.
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