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Date: Tue, 13 Mar 2012 07:38:29 +1100
Subject: Re: PyCrypto builds neither with MSVC nor MinGW
From: Alec Taylor <alec.taylor6@gmail.com>
To: Case Van Horsen <casevh@gmail.com>
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On a brand new Windows install now, with a brand new VS8 installed
with new YASM and MPIR in c:\usr\src\include and c:\usr\src\lib.

But it still isn't working:

C:\workingdir\pycrypto>python setup.py build_ext -Ic:\usr\src\include
-Lc:\usr\src\lib install
running build_ext
warning: GMP or MPIR library not found; Not building Crypto.PublicKey._fast=
math.

building 'Crypto.Random.OSRNG.winrandom' extension
Traceback (most recent call last):
  File "setup.py", line 452, in <module>
    core.setup(**kw)
  File "C:\Python27\lib\distutils\core.py", line 152, in setup
    dist.run_commands()
  File "C:\Python27\lib\distutils\dist.py", line 953, in run_commands
    self.run_command(cmd)
  File "C:\Python27\lib\distutils\dist.py", line 972, in run_command
    cmd_obj.run()
  File "setup.py", line 249, in run
    build_ext.run(self)
  File "C:\Python27\lib\distutils\command\build_ext.py", line 339, in run
    self.build_extensions()
  File "setup.py", line 146, in build_extensions
    build_ext.build_extensions(self)
  File "C:\Python27\lib\distutils\command\build_ext.py", line 448, in
build_extensions
    self.build_extension(ext)
  File "C:\Python27\lib\distutils\command\build_ext.py", line 498, in
build_extension
    depends=3Dext.depends)
  File "C:\Python27\lib\distutils\msvc9compiler.py", line 473, in compile
    self.initialize()
  File "C:\Python27\lib\distutils\msvc9compiler.py", line 383, in initializ=
e
    vc_env =3D query_vcvarsall(VERSION, plat_spec)
  File "C:\Python27\lib\distutils\msvc9compiler.py", line 299, in
query_vcvarsall
    raise ValueError(str(list(result.keys())))
ValueError: [u'path']

On Wed, Feb 8, 2012 at 11:31 PM, Case Van Horsen <casevh@gmail.com> wrote:
> On Wed, Feb 8, 2012 at 4:24 AM, Alec Taylor <alec.taylor6@gmail.com> wrot=
e:
>> Thanks, but to get it to work with pip, wouldn't I need to add it to
>> PATH? - Or can I just add those library args to pip?
> I don't think so. pyCrypto probably builds a single DLL so the MPIR libra=
ry is
> statically linked into that DLL. Only the innvocation of setup.py should =
need
> to refer to the MPIR library locations. =A0I don't use pip so I'm not sur=
e how to
> get pip to install the resulting DLL, etc.
>>
>> On Wed, Feb 8, 2012 at 9:48 PM, Case Van Horsen <casevh@gmail.com> wrote=
:
>>> On Tue, Feb 7, 2012 at 9:37 PM, Alec Taylor <alec.taylor6@gmail.com> wr=
ote:
>>>> Thanks all for your replies.
>>>>
>>>> I have now installed MSVC8 and YASM.
>>> I assume you installed Visual Studio. I've omitted the commands to use
>>> the SDK compiler below.
>>>>
>>>> I was able to successfully run configure.bat and make.bat (including
>>>> make.bat check).
>>>>
>>>> However, I'm unsure what to do about install, since there is no
>>>> install arg. Do I copy it across to my VC\bin folder, or does it need
>>>> it's own place in PATH + system variables?
>>>
>>> The following is just a guess.
>>>
>>> I copy the files to a convenient location and then specify that
>>> location to setup.py. Below is an excerpt from my build process.
>>>
>>> mkdir c:\src\lib
>>> mkdir c:\src\include
>>> xcopy /Y mpir.h c:\src\include\*.*
>>> xcopy /Y win\mpir.lib c:\src\lib\*.*
>>>
>>> python setup.py build_ext -Ic:\src\include -Lc:\src\lib install
>>>
>>>>
>>>> I am asking because I don't know where it is looking for the MPIR libr=
ary.
>>>>
>>>> Thanks for all suggestions,
>>>>
>>>> Alec Taylor