David- can you show us the patch of code for #define so we can test the results from the preprocessor output? Regards, Martin
----- Original Message ----- From: "Dawson, David W" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, April 05, 2003 8:17 PM Subject: ACE/TAO under Cygwin (was: ORB) > I have been moderately successful in compiling ACE/TAO under Cygwin (Some > problems with cone of the Services, but my CORBA programs interoperate with > our Solaris-based TAO services (and other CORBA clients/servants) fine. > > I encountered two problems with a couple of the definitions in the Cygwin > /usr/include files: > > 1) In limits.h, IOV_MAX is defined as (__INT_MAX__-1) (a *very* large > number). > The other UNIX systems I could examime set it to a much smaller value (like > 1024). > The comment says this is the "/* Maximum number of iovcnt in a writev */". > Does Cygwin really support this many? Or is this just a convenient setting? > > The reason for the question is that ACE (and TAO) define arrays for the full > number of supported IOV entries, and g++ chokes on an array of size > __INT_MAX__-1 > > (To set ACE/TAO to compile, I patched this value to 1024) > > 2) As a convenience (I suppose), math.h has a macro definition for log2. > This is not the case in any other math.h I have been able to examine and > causes a real problem in the development of a platform-independent "log2" > routine. > > The problem is that the pre-processor replaces the string "log2" with it's > defined value without regard to context. This means that while I can write > my own log() function (in my namespace, or course) I cannot write a log2 > function -- it won't compile. > > (To get ACE/TAO to compile, I patched math.h to remove this define.) > > The real questions in this post are: > 1) Should there a better value for IOV_MAX in limits.h > 2) Should the (as far as I can tell) non-standard define for log2 be removed > (or replaced with a real log2 function?) > 3) Should I just go away and be quiet? > > Thanks, > -David. > > --------------------- > David Dawson > [EMAIL PROTECTED] > 703-367-3885 > > > -----Original Message----- > From: Luc Hermitte [mailto:[EMAIL PROTECTED] > Sent: Saturday, April 05, 2003 8:06 AM > To: [EMAIL PROTECTED] > Subject: Re: ORB > > > Hello, > > * On Fri, Apr 04, 2003 at 05:07:50PM +0200, Vaillant Etienne > <[EMAIL PROTECTED]> wrote: > > I need a ORB for an application under Cygwin. I know Mico and Omniorb > > but are there other ? > > TAO may be -- based on the C++ library ACE. > > I am not sure if it has been ported for Cygwin, but it is available on many > different systems -- unices, Windows, etc. > > HTH, > -- > Luc Hermitte > > -- > Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple > Bug reporting: http://cygwin.com/bugs.html > Documentation: http://cygwin.com/docs.html > FAQ: http://cygwin.com/faq/ > > -- > Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple > Bug reporting: http://cygwin.com/bugs.html > Documentation: http://cygwin.com/docs.html > FAQ: http://cygwin.com/faq/ > > -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
