[Cbc] CBC Binaries for the Windows 64-bit VC14 Platform

[Pieter Zieschang]

Hi Thomas,

you cannot link a 64 bit process against 32 bit DLLs.


You need a 64 bit windows version ... 
And preferably one compiled with --enable-cbc-parallel or you will be 
stuck with a single thread.


I don't think there are such precompiled binaries up for download though. 
:-(


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Pieter Zieschang

Modis IT Outsourcing GmbH
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From:   TAM Thomas <Thomas.TAM at 3ds.com>
To:     "cbc at list.coin-or.org" <cbc at list.coin-or.org>
Date:   20.08.2018 20:07
Subject:        [Cbc] CBC Binaries for the Windows 64-bit VC14 Platform
Sent by:        "Cbc" <cbc-bounces at coin-or.org>



Dear all,
 
I am trying to link the CBC binaries with my Windows 64-bit application 
which is built using Visual C++ VC14. I am unable to find such libraries 
from the CBC repositories:
·         https://bintray.com/coin-or/download/Cbc/#files
·         https://www.coin-or.org/download/binary/CoinAll/
 
According to the CBC homepage (https://projects.coin-or.org/Cbc/wiki), we 
can request for the latest version for the missing platform 
(Cbc-2.9.9-win64-msvc14) to be built and posted. If that is true, can it 
be done please? Thanks!
 
I attempted to link my Win64 application with the 32-bit binaries 
(Cbc-2.9.9-win32-msvc14.zip) that are available, but my build failed due 
to mismatched symbols everywhere. For example, for the 
OsiClpSolverInterface constructor, the linker is looking for:
my_main_test.obj : error LNK2019: unresolved external symbol "public: 
__cdecl OsiClpSolverInterface::OsiClpSolverInterface(void)" 
(??0OsiClpSolverInterface@@QEAA at XZ) referenced in function "int __cdecl 
my_main_test(void)" (?my_main_test@@YAHXZ)
but the supplied win32 libOsiClp.lib contains:
??0OsiClpSolverInterface@@QAE at XZ (public: __thiscall 
OsiClpSolverInterface::OsiClpSolverInterface(void))
 
Are the mismatched symbols due to 32/64-bit incompatibility, or due to 
special compiler flags utilized by CBC (and, if so, where can I find these 
CBC compiler flags for the Visual C++ platform)?
 
Your help will be greatly appreciated!
 
Best regards,
 
Thomas
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