Re: [Mingw-users] MinGW - lpsolve include problem

[Maxime L. <max...@gm...>]

Hi,

I've tried including the header with the extern "C" as you suggested, to no
end.
I've also tried renaming my file as lp_solve5.c, to compile with C compiler
(and so removed extern "C"), and I'm still getting the same problem (this
time building a C object).

What version of lp_solve are you using ?
I'm usinf 5.5.2.0, and also tried 5.5.0.15 (win32 already compiled dll for
both), and tried the 5.5.2.0 from source (compiled with the cg++ bat
script).

As a side note, I use CMake to generate my makefiles. I don't think that
should have any influences.

Maxime

2011/4/28 K. Frank <kfr...@gm...>

> Hi Maxime!
>
> On Thu, Apr 28, 2011 at 4:24 AM, Maxime Lecourt
> <max...@gm...> wrote:
> > Hi,
> >
> > I'm having trouble using lp_solve and mingw at the same time.
> > I tried compiling a source file including lp_lib.h, and got many errors.
>
> I have been using lp_solve with mingw with no problems that I recall.
>
> >
> > After that, I made a special file, as follows :
> >
> > #include <lp_lib.h>
> >
> > So that file only includes a lp_solve header.
>
> One quick comment:  lp_solve is c, not c++, so (in c++ code) you want
> to include the lp_solve header as follows:
>
>   extern "C" {
>   #include "lp_lib.h"
>    }
>
> >
> > when compiling, I get following errors (I cut parts of it, text is about
> 200
> > ligns long) :
> >
> > Scanning dependencies of target lp_solve5
> > [  9%] Building CXX object
> > src/lp_solve5/CMakeFiles/lp_solve5.dir/lp_solve5test.cpp.obj
>
> "CXX object" and "lp_solve5test.cpp.obj" suggest that you are using
> c++, so perhaps c vs. c++ is the issue, and using "extern "C"" will
> clean things up
>
> If that doesn't work, come back with more questions.  As I said, I have
> lp_solve working smoothly (with a c++ application) using mingw, so we
> ought to be able to get things sorted out for you.
>
> > ...
> >
> > Regards,
> >
> > Maxime Lecourt
>
> Good luck.
>
>
> K. Frank
>
>
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