[zeromq-dev] Checking for Win platform?

Martin Sustrik sustrik at imatix.com
Mon Nov 2 23:52:53 CET 2009

Hi James,

>It is a pretty common standard in visual studio to include "WIN32" as a
>preprocessor definition. This could work for your header chagne.
>#ifdef WIN32
>typedef void* fd_t
>typedef int fd_t

That's one option. It would require anyone compiling an application to
define WIN32 (even under MinGW or so).

The other option would be to include zmq_platform.h from zmq.h,
zmq_platform.h having a single line:

#define ZMQ_HAVE_WIN32

zmq_platform would be shipped in Win32 package. On other platforms
autotools can automatically generate zmq_platform.h. Say:


Similar thing to the Win32 trick would have to be done on OpenVMS
platform, where autotools are not available.

Not sure which option is better though...


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