Maintaining building external/coinmp on Windows

[Stephan Bergmann]

On 9/16/22 13:25, Stephan Bergmann wrote:
> My attempt at <https://gerrit.libreoffice.org/c/core/+/140057/1> 
> "external/coinmp: Update to CoinMP 1.8.4" failed on Windows at 
> <https://ci.libreoffice.org/job/gerrit_windows/136050/> with
> 
>> libCbcSolver.lib(CbcSolverHeuristics.obj) : error LNK2019: unresolved 
>> external symbol "public: __thiscall 
>> CbcHeuristicDW::CbcHeuristicDW(class CbcModel &,int)" 
>> (??0CbcHeuristicDW@@QAE at AAVCbcModel@@H at Z) referenced in function "int 
>> __cdecl doHeuristics(class CbcModel *,int,class CbcOrClpParam 
>> *,int,int,int)" 
>> (?doHeuristics@@YAHPAVCbcModel@@HPAVCbcOrClpParam@@HHH at Z) 
>> [C:\cygwin\home\tdf\lode\jenkins\workspace\gerrit_windows at 2\workdir\UnpackedTarball\coinmp\CoinMP\MSVisualStudio\v9\CoinMP\CoinMP.vcxproj]
>> libCbcSolver.lib(CbcSolverHeuristics.obj) : error LNK2019: unresolved 
>> external symbol "public: virtual __thiscall 
>> CbcHeuristicDW::~CbcHeuristicDW(void)" (??1CbcHeuristicDW@@UAE at XZ) 
>> referenced in function "int __cdecl doHeuristics(class CbcModel 
>> *,int,class CbcOrClpParam *,int,int,int)" 
>> (?doHeuristics@@YAHPAVCbcModel@@HPAVCbcOrClpParam@@HHH at Z) 
>> [C:\cygwin\home\tdf\lode\jenkins\workspace\gerrit_windows at 2\workdir\UnpackedTarball\coinmp\CoinMP\MSVisualStudio\v9\CoinMP\CoinMP.vcxproj]
>> libCgl.lib(CglGMI.obj) : error LNK2019: unresolved external symbol 
>> "private: bool __thiscall 
>> CoinRational::nearestRational_(double,double,long)" 
>> (?nearestRational_ at CoinRational@@AAE_NNNJ at Z) referenced in function 
>> "public: __thiscall CoinRational::CoinRational(double,double,long)" 
>> (??0CoinRational@@QAE at NNJ@Z) 
>> [C:\cygwin\home\tdf\lode\jenkins\workspace\gerrit_windows at 2\workdir\UnpackedTarball\coinmp\CoinMP\MSVisualStudio\v9\CoinMP\CoinMP.vcxproj]
>> C:\cygwin\home\tdf\lode\jenkins\workspace\gerrit_windows at 2\workdir\UnpackedTarball\coinmp\CoinMP\MSVisualStudio\v9\Debug\CoinMP.dll : fatal error LNK1120: 3 unresolved externals [C:\cygwin\home\tdf\lode\jenkins\workspace\gerrit_windows at 2\workdir\UnpackedTarball\coinmp\CoinMP\MSVisualStudio\v9\CoinMP\CoinMP.vcxproj]
> 
> presumably because "There's apparently a new ClpSolver library now" 
> needs to be reflected in our external/coinmp/windows.build.patch.1.
> 
> But I have no idea what to do with that file, and neither 
> external/coinmp/README nor 
> <https://git.libreoffice.org/core/+/dbe6e76332c4eda87aa2d2168dd14c274a4930d4%5E!/> "Add CoinMP external as an alternative to lpsolve" (which introduced the file) give a hint.  :(

Taichi now took care of this at 
<https://gerrit.libreoffice.org/c/core/+/140057/9..11>.  Thanks a lot!