Problem with running examples

[Asha Rahiro]

I am new to or-tools and I'm trying to run them for the very first time with 'make all' on Windows, but I'm getting a very confusing error, it seems as if the arguments from 'cl' are mistaken as directory paths in MinGW (cl /EHsc actually gets mistaken for 'C:/MinGW/MSYS/1.0/EHsc', etc...). The output:

cl /EHsc /MD /nologo /D_SILENCE_STDEXT_HASH_DEPRECATION_WARNINGS -nologo /O2 -DN
DEBUG -DUSE_CBC -DUSE_CLP /D__WIN32__ /Iinclude\\src\\windows /DGFLAGS_DLL_DECL=
 /DGFLAGS_DLL_DECLARE_FLAG= /DGFLAGS_DLL_DEFINE_FLAG= /Iinclude /I. -DUSE_GLOP -
DUSE_BOP -c examples\\cpp\\costas_array.cc /Foobjs\\costas_array.obj

cl : Command line warning D9024 : unrecognized source file type 'C:/MinGW/MSYS/1
.0/EHsc', object file assumed
cl : Command line warning D9027 : source file 'C:/MinGW/MSYS/1.0/EHsc' ignored
cl : Command line warning D9024 : unrecognized source file type 'C:/MinGW/MSYS/1
.0/MD', object file assumed
cl : Command line warning D9027 : source file 'C:/MinGW/MSYS/1.0/MD' ignored
cl : Command line warning D9024 : unrecognized source file type 'C:/MinGW/MSYS/1
.0/nologo', object file assumed
cl : Command line warning D9027 : source file 'C:/MinGW/MSYS/1.0/nologo' ignored

... etc ... Until there's the Cannot open include file: 'ortools/base/callback.h' at the end

cl : Command line warning D9024 : unrecognized source file type 'C:/MinGW/MSYS/1

.0/I.', object file assumed
cl : Command line warning D9027 : source file 'C:/MinGW/MSYS/1.0/I.' ignored
cl : Command line warning D9027 : source file 'C:/MinGW/MSYS/1.0/Foobjs/costas_a
rray.obj' ignored
costas_array.cc
examples\cpp\costas_array.cc(27): fatal error C1083: Cannot open include file: '
ortools/base/callback.h': No such file or directory
make: *** [objs\\costas_array.obj] Error 2

[Laurent Perron]

Please use a clean command line tool from visual studio (x64 native command line tool) that is not touched mingw.

We do not support mingw.

Thanks

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[Asha Rahiro]

Thanks for quick response, but I am using it, VS2015 x64 Native Tools Command Prompt

[Laurent Perron]

Yes, but clearly mingw is in the path before visual studio. Please change that.

[Asha Rahiro]

But what is the correct path for Visual Studio (Im using 2015)? When I remove MinGW from path, it cannot recognise the make command. Does the VS command prompt have make? Or how do I add it to the path?

[Laurent Perron]

make.exe is in tools, 

as stated in the doc: https://developers.google.com/optimization/introduction/installing/source.html#basic_install_windows

please type tools\make <command>

Laurent Perron | Operations Research | lpe...@google.com | (33) 1 42 68 53 00

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