[Cbc] Building Cbc under Cygwin: more info

[Ted Ralphs]

Most likely, the issue is related to the Cygwin make command, which is
buggy. See the solution here:

https://projects.coin-or.org/BuildTools/wiki/current-issues#CurrentIssues

Scroll down to "compilation issues".

Cheers,

Ted

On Tue, Mar 13, 2012 at 4:21 PM, <acw at ascent.com> wrote:

> A few days ago I reported that I was having trouble building Cbc under
> Cygwin.  I have one or two more bits of information that may give somebody
> a clue about what's going wrong.
>
> During "make", we get occasional warnings that all look like this:
>
>    libtool: link: warning: undefined symbols not allowed in i686-pc-cygwin
> shared libraries
>
> During "make test", we get:
>
>    make[2]: Entering directory `...Osi/src/Osi'
>    .deps/OsiAuxInfo.Plo:1: *** multiple target patterns.  Stop.
>    make[2]: Leaving directory `...Osi/src/Osi'
>    Makefile:523: recipe for target `all-recursive' failed
>    make[1]: *** [all-recursive] Error 1
>    make[1]: Leaving directory `...Osi'
>    Makefile:314: recipe for target `all-recursive' failed
>    make: *** [all-recursive] Error 1
>
> For comparison, I just did the build in a more conventional Linux
> environment (a VMWare emulation, in this case, but I don't think that
> matters), and got through "make test" with no errors.  By the way, the set
> of compiler warnings I get during build is slightly different in the two
> environments.
>
> So, it seems that there is something about our Cygwin configuration that
> wasn't anticipated by the COIN build tools: does anyone have additional
> insight?
> _______________________________________________
> Cbc mailing list
> Cbc at list.coin-or.org
> http://list.coin-or.org/mailman/listinfo/cbc
>
>


-- 
Dr. Ted Ralphs
Associate Professor, Lehigh University
(610) 628-1280
ted 'at' lehigh 'dot' edu
coral.ie.lehigh.edu/~ted
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