[Ipopt] Ipopt config and FORTRAN_INTEGER_TYPE

[Stefan Vigerske]

Hi,

yes, seems correct.
I've added that to trunk and it should make it to the next release.

Thanks,
Stefan

On 05/11/2017 04:21 PM, David Wilkinson wrote:
> I have been trying to compile latest Bonmin 1.8.4, which includes Ipopt 
> 3.12.4, on Microsoft Visual Studio.
> 
> I started with some older Visual Studio project files, which were 
> working with Bonmin 1.3.2, and received a lot of errors related to the 
> symbols BONMIN_BUILD, IPOPT_BUILD etc., which were not used in Bonmin 1.32.
> 
> I was able to eliminate almost all the errors by suitable definition of 
> these symbols in the various projects, but there was one issue related 
> to the FORTRAN_INTEGER_TYPE symbol that remained..
> 
> This symbol is defined (as int) in Ipopt\src\Common\config_default.h but 
> not in Ipopt\src\Common\config_ipopt_default.h. Therefore if IPOPT_BUILD 
> is not defined (as in the libBonmin project), there is a compilation 
> failure in the statement
> 
> typedef FORTRAN_INTEGER_TYPE ipfint;
> 
> which appears in Ipopt\src\Common\IpTypes.hpp
> 
> Bottom line:
> 
> There needs to be a definition of FORTRAN_INTEGER_TYPE in 
> Ipopt\src\Common\config_ipopt_default.h.
> 
> I had a friend compile Bonmin/Ipopt on Linux, and the generated 
> Ipopt\src\Common\config.h and Ipopt\src\Common\config_ipopt.h both 
> contain the line
> 
> #define FORTRAN_INTEGER_TYPE int
> 
> I hope this simple fix to Ipopt\src\Common\config_ipopt_default.h can be 
> made in the next version.
> 
> Otherwise the only way to proceed on Visual Studio without changing 
> source code is to put FORTRAN_INTEGER_TYPE=int in the preprocessor 
> symbols of the Visual Studio libBonmin project (or to define 
> IPOPT_BUILD, which seems wrong).
> 
> Thanks,
> 
> David Wilkinson
> 
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