[BuildTools] --enable-doscompile, msvc, mingw

[Kipp Martin]

Hi Lou

> 
> 	There are some interesting issues, and one of them is getting configure
> to abandon its GCC preferences. There are already a number of hooks in coin.m4, 
> but they're not all coordinated. I'd like to propose the following: Instead of 


I am a Mac OS X person, but I also build my project and other COIN 
projects on Windows frequently.  I use the COIN-OR configure tools right 
"out of the box" with MSYS and the Microsoft cl and link. I have not had 
much trouble and found that just using

./configure

works. It picks up cl and link. Of course they need to be in the PATH 
environment variable.

Forget cygwin and mingw they make a Windows build too complicated -- 
just get MSYS (I think the download is less than 5 MB). The only time I 
needed options with ./congigue was when building with the AMPL project 
and used

./configure CXX="cl"

Cheers



> just --enable-doscompile, allow it to take an argument from the set msvc, mingw, 
> cygwin. We can choose any of the three to be the default when no argument is 
> given. Specifically:
> 
>   --enable-doscompile=msvc	Will select cl/link
>   --enable-doscompile=mingw	Will select gcc/g++/ld, plus -mno-cygwin
>   --enable-doscompile=cygwin	Will select gcc/g++/ld and use cygwin
> 
> Other options (compile & link flags, other stuff I haven't thought of yet) can 
> be set appropriately. Users would still be able to override.
> 
> 	Thoughts?
> 	
> 							Lou
> 
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-- 
Kipp Martin
Professor of Operations Research
and Computing Technology
Graduate School of Business
University of Chicago
5807 South Woodlawn Avenue
Chicago, IL 60637

773-702-7456