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Instructions for compiling GMPY for 32-bit Windows.
GMPY binaries can be compiled for the Windows operating systems using
the free MinGW toolkit. The MinGW toolkit provides a Minimalist GNU
for Windows environment. If you are trying to build a 64-bit version
of GMPY, please refer to "win_x64_sdk_build.txt".
The following instructions use the MPIR multiple-precision library
instead of the GMP library.
1) Download and install MinGW-5.1.6.exe. Choose the "current" release.
2) Download and install MSYS-1.0.11.exe.
3) The following instructions assume that both Python and gcc (part of
MinGW) exist on the operating system PATH. On Windows XP, this can be
done using Settings -> Control Panel -> System -> Environment Variables.
If not already present, add c:\python26 and c:\mingw\bin to the PATH.
The entries should be separated by a semi-colon. Note: Python 2.6 is
used in this example.
4) A icon entitled "MSYS" should be created on the desktop. It provides
a GNU-compatible command line interface. Start MSYS and create a
directory that will contain the MPIR and GMPY source code. C:\src will
be used for this build. Note that /c/src is the MSYS equivalent of
C:\src.
$ mkdir /c/src
5) Download the MPIR source code from www.mpir.org and save it in C:\src.
For this example, I used mpir-1.3.0-rc3.tar.gz.
6) Download the GMPY source code and save it in C:\src. For this example,
I used gmpy-1.11rc1.tar.gz.
7) Using MSYS, uncompress GMPY and MPIR, then compile MPIR. The resulting
files are installed in C:\src.
$ cd /c/src
$ gunzip gmpy-1.11rc1.tar.gz
$ tar -xf gmpy-1.11rc1.tar
$ gunzip mpir-1.3.0-rc3.tar.gz
$ tar -xf mpir-1.3.0-rc3.tar
$ cd mpir-1.3.0
$ ./configure --prefix=/c/src
$ make
$ make install
8) Using the Windows command line, compile GMPY. The instructions assume
GMPY was uncompressed in step 7.
> cd C:\src\gmpy-1.11rc1
> python setup.py build_ext -DMPIR -cmingw32 -Ic:\src\include -Lc:\src\lib install
> python test\gmpy_test.py
Miscellaneous notes on compiling GMPY
The binaries made available at http://code.google.com/p/gmpy/ are compiled
using MPIR 1.3.0rc3
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