[BuildTools] Problems building with trunk and the MSVC++ compiler

[Ted Ralphs]

Lou,

I'm using the most recent revision of build tools from trunk updated 
yesterday. Yes, I've noticed that the support for cl is a bit "dusty," 
but the SYMPHONY build goes through just fine on my system with the 
stable version of build tools, so the fatal error must somewhere in the 
new coin.m4. Shouldn't be too hard to sort out, but I haven't got the 
time to devote to it right now.

Cheers,

Ted

Lou Hafer wrote:
> Ted,
> 
> 	There are indeed issues with MSVC/cl, and part of this has to do with
> obsolete support in autoconf.  If you read through the autoconf macros, you'll
> see quite a few comments to the effect that cl support is just a bit dusty. If 
> we get really serious about cl, we might want to consider fixing this down in 
> the autoconf package and contributing the changes back to the autoconf 
> maintainers.
> 
> 	If you grab the coin.m4 that I pushed up to BuildTools a few days back
> (check the messages headed `Testing AC_CREATE_LIBTOOL', in particular the one 
> dated December 15th) there's an updated coin.m4 that works on my home system
> (cygwin/Win2K/MSVC8). Give it a spin.
> 
> 	The particular problem you're noticing (cygpath: can't convert empty 
> path) is due to a quirk of autoconf AC_REQUIRE. See the second posting from
> December 14th. Can't speak directly to the library issue; it may or may not go 
> away with the upgraded coin.m4. As far as linking, all C++ linking in autotools 
> seems to be handled as calls through the C++ compiler, and this is generally 
> what's desired. For what it's worth, the revised coin.m4 mentioned above does 
> the proper setup of compiler and linker.
> 
> 							Lou
> 
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-- 
Dr. Ted Ralphs
Associate Professor
Industrial and Systems Engineering
Lehigh University
(610)758-4784
tkralphs at lehigh.edu
www.lehigh.edu/~tkr2