[C++-sig] Trouble building boost with Visual Studio 2010

Thu Mar 10 10:39:12 EST 2016

Unfortunately, I don't have python3 installed on my computer so I never had to deal with this.     My only suggestion is to hack the "libs/python/build/Jamfile.v2"  file to get it to work.
Sorry I can't be of more help :(

--Liam

From: Cplusplus-sig [mailto:cplusplus-sig-bounces+herron=ellington.com at python.org] On Behalf Of David Aldrich
Sent: Thursday, March 10, 2016 7:21 AM
To: Development of Python/C++ integration
Subject: Re: [C++-sig] Trouble building boost with Visual Studio 2010

Thanks for your reply. I have set my path to start with Python 2.7:

PATH=c:\Python27;C:\Program Files (x86)\Microsoft Visual Studio 10.0\VSTSDB\Deploy;C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\;c:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\BIN; etc.

I have created a user-config.jam:

using msvc ;

using python
    : 2.7                   # Version
    : C:\\Python27\\python.exe      # Python Path
    : C:\\Python27\\include         # include path
    : C:\\Python27\\libs            # lib path(s)
    : <define>BOOST_ALL_NO_LIB=1
    ;

I then invoke bjam:

b2 --user-config=user-config.jam toolset=msvc-10.0 --with-python link=shared

but it is still trying to use Python 3.4:

...patience...
...patience...
...found 1927 targets...
...updating 9 targets...
msvc.link.dll bin.v2\libs\python\build\msvc-10.0\debug\threading-multi\boost_python-vc100-mt-gd-1_60.dll
LINK : fatal error LNK1104: cannot open file 'python34.lib'

Any thought please why it's still choosing Python 3.4 instead of 2.7 please?

Best regards

David

From: Cplusplus-sig [mailto:cplusplus-sig-bounces+david.aldrich=emea.nec.com at python.org] On Behalf Of Liam Herron
Sent: 09 March 2016 17:03
To: Development of Python/C++ integration <cplusplus-sig at python.org>
Subject: Re: [C++-sig] Trouble building boost with Visual Studio 2010

After you open the cmd shell, just change the PATH for that cmd shell and then run the build.

From: Cplusplus-sig [mailto:cplusplus-sig-bounces+herron=ellington.com at python.org] On Behalf Of David Aldrich
Sent: Wednesday, March 09, 2016 11:59 AM
To: Development of Python/C++ integration
Subject: Re: [C++-sig] Trouble building boost with Visual Studio 2010

Ok, thanks. The console defaults to 3.5, which is the problem.

I'll see what I can do.

From: Cplusplus-sig [mailto:cplusplus-sig-bounces+david.aldrich=emea.nec.com at python.org] On Behalf Of Liam Herron
Sent: 09 March 2016 16:52
To: Development of Python/C++ integration <cplusplus-sig at python.org<mailto:cplusplus-sig at python.org>>
Subject: Re: [C++-sig] Trouble building boost with Visual Studio 2010

I believe if you don't specify a python directly in the config files, it will simply use whatever python it picks up with the "python" cmd.  When you open a cmd shell and simply type "python", which version does it run?  If you get this to be your 32-bit version, I think it will work. Else, you can muck around with the  "jam" files to try to point it to the python version you want.

--Liam

From: Cplusplus-sig [mailto:cplusplus-sig-bounces+herron=ellington.com at python.org] On Behalf Of David Aldrich
Sent: Wednesday, March 09, 2016 11:35 AM
To: Development of Python/C++ integration
Subject: Re: [C++-sig] Trouble building boost with Visual Studio 2010

Hi Liam

I have Python 2.7 (32-bit) and Python 3.4 (64-bit) installed on my Win 10 system. As you suggested I opened a VS2010 command prompt (I believe 32-bit), executed bootstrap and then:

b2 toolset=msvc-10.0 --with-python link=shared

I still see this error:

msvc.link.dll bin.v2\libs\python\build\msvc-10.0\release\threading-multi\boost_python-vc100-mt-1_60.dll
python34.lib(python34.dll) : fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'

So it seems to be picking up python34.lib in preference to python27.lib

Do you think this just depends on the path order?

David

From: Cplusplus-sig [mailto:cplusplus-sig-bounces+david.aldrich=emea.nec.com at python.org] On Behalf Of Liam Herron
Sent: 09 March 2016 14:40
To: Development of Python/C++ integration <cplusplus-sig at python.org<mailto:cplusplus-sig at python.org>>
Subject: Re: [C++-sig] Trouble building boost with Visual Studio 2010

You should open a cmd shell tool that comes with VS :
     e.g. "VS2010 x86 Native Tools Command Prompt"
       or "VS2010 x64 Native Tools Command Prompt"

And then in this shell, run your:

b2 toolset=msvc-10.0 --with-python link=shared

It looks like your python version is 64-bit python (Is that true?) so maybe you want to build the 64bit cmd shell that will build the 64 bit version of boost and boost python.

If you want the build 32bit version, make sure you have a 32 bit version of python and python libs and then use the x86 cmd shell to build the 32 bit version of boost and boost python.

Hope that helps.
--Liam

From: Cplusplus-sig [mailto:cplusplus-sig-bounces+herron=ellington.com at python.org] On Behalf Of David Aldrich
Sent: Wednesday, March 09, 2016 5:05 AM
To: Development of Python/C++ integration
Subject: [C++-sig] Trouble building boost with Visual Studio 2010

Hi

I am trying to build Boost 1.60 with Visual Studio 2010 Professional on Windows 10.

I use the command:

b2 toolset=msvc-10.0 --with-python link=shared

and get the following error:

python34.lib(python34.dll) : fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'

I guess this means I have a conflict of 32-bit and 64-bit libraries.  I want to target 32-bit (X86).

Do I need to install a 32-bit version of Python?  I wonder if that can co-exist with the current version of Python?

Best regards

David

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