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python-clnum-1.6-2mdv2010.0.i586.rpm

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<h1 align="center">Building the clnum Package on Windows</h1>
<p>Frank Palazzolo<br>
palazzol@comcast.net<br>
12-August-2006</p>
<p>This is the process for building clnum on Windows, using the
mingw/MSYS compile environment, and the standard Python distutils
system.</p>
<p>This process has several steps:</p>
<ol>
<li>
<p>Downloading the required files</p>
</li>
<li>
<p>Setting up the mingw/MSYS compile environment</p>
</li>
<li>
<p>Building gmp-4.2.1</p>
</li>
<li>
<p>Building cln-1.1.13</p>
</li>
<li>
<p>Building clnum, and the binary installer</p>
</li>
</ol>
<h2>Step 1 - Downloading the required files:</h2>
<p>These instructions are for downloading the exact versions of the
files that I did. (Future versions may work as well.)</p>
<p>These directions assume that you download the mingw.org files
to:</p>
<p>c:\mingw_downloads</p>
<p>and the rest to:</p>
<p>c:\clnum_build</p>
<br>
<p><b>From <a href=
"http://www.mingw.org/">http://www.mingw.org/</a> (from the
"Current" distribution):</b></p>
<p><b>GCC section:</b><br>
gcc-core-3.4.2-20040916-1.tar.gz<br>
gcc-g++-3.4.2-20040916-1.tar.gz<br></p>
<p><b>MSYS section:</b><br>
MSYS-1.0.10.exe</p>
<p><b>MinGW Runtime:</b><br>
mingw-runtime-3.9.tar.gz</p>
<p><b>Windows API:</b><br>
w32api-3.6.tar.gz</p>
<p><b>binutils:</b><br>
binutils-2.15.91-20040904-1.tar.gz</p>
<p><b>From <a href=
"http://www.swox.com/gmp/">http://www.swox.com/gmp/</a></b><br>
gmp-4.2.1.tar.gz</p>
<p><b>From <a href=
"http://www.ginac.de/CLN/">http://www.ginac.de/CLN/</a></b><br>
cln-1.1.13.tar.bz2</p>
<p><b>From <a href=
"http://sourceforge.net/projects/calcrpnpy/">http://sourceforge.net/projects/calcrpnpy/</a></b><br>

clnum-1.3.tar.gz</p>
<h2>Step 2 - Setting up the mingw/MSYS compile environment</h2>
<p>The easiest way to do this from scratch is to install MSYS
first, just to get tar, gzip, and bzip2 on your system. Usually, it
is better to install MSYS after mingw, since MSYS wants to know
where your mingw is. In this case, we will just install it
twice.</p>
<p>Install MSYS-1.0.10.exe</p>
<p>During the post-install questions, answer that you do not have a
mingw install yet.</p>
<p>Now, you can launch the MSYS shell:</p>
<p>Program Files-&gt;Mingw-&gt;MSYS</p>
<p>From within the MSYS shell, we will unpack the mingw
compiler:<br>
<br>
(We will put mingw into c:/mingw)<br>
cd /c/<br>
mkdir mingw<br>
cd mingw<br>
(Unpack the C compiler core)<br>
tar zxvf /c/mingw_downloads/gcc-core-3.4.2-20040916-1.tar.gz<br>
(Unpack the C++ compiler)<br>
tar zxvf /c/mingw_downloads/gcc-g++-3.4.2-20040916-1.tar.gz<br>
(Unpack the runtime)<br>
tar zxvf /c/mingw_downloads/mingw-runtime-3.9.tar.gz<br>
(Unpack winapi)<br>
tar zxvf /c/mingw_downloads/w32api-3.6.tar.gz<br>
(Unpack utilities)<br>
tar zxvf
/c/mingw_downloads/binutils-2.15.91-20040904-1.tar.gz<br></p>
<p>Close the shell, and install MSYS-1.0.10.exe again. This time
give c:\mingw as your mingw path.</p>
<h2>Step 3 - Building gmp-4.2.1</h2>
<p>From within the MSYS shell, we will unpack and build GMP:</p>
<pre>
cd /c/clnum_build
tar zxvf gmp-4.2.1.tar.gz
cd gmp-4.2.1
./configure
make
make check
make install
</pre>
<p>GMP should build correctly with the default settings. All tests
during "make check" should pass. The "make install" puts files in
the MSYS /usr/local/include and /usr/local/lib directories.</p>
<h2>Step 4 - Building cln-1.1.13</h2>
<p>From within the MSYS shell, we will unpack and build CLN:</p>
<p>Build CLN with these settings, per the manual, enabling gmp.</p>
<pre>
cd /c/clnum_build
bunzip2 cln-1.1.13.tar.bz2
tar xvf cln-1.1.13.tar
cd cln-1.1.13
</pre>
<p>And finally, configure and build:</p>
<p>(Now, all on one long line:)</p>
<pre>
CC="gcc" CFLAGS="-O" CXX="g++" CXXFLAGS="-O -fno-exceptions -finline-limit=1000" \
CPPFLAGS="-I/usr/local/include" LDFLAGS="-L/usr/local/lib" \
./configure --with-gmp
</pre>
<p>Note: compiling with -O2 fails during "make check", so I
reverted to -O. If you check config.log, you should see that gmp.h
was found and that gmp will be used for the build.</p>
<pre>
make
make check
make install
</pre>
<p>As with gmp, all checks should pass and the install puts things
in MSYS's /usr/local/.</p>
<p>Before we leave the MSYS shell, we should uncompress clnum,
since we'll need it for the next step</p>
<pre>
cd /c/clnum_build
tar zxvf clnum-1.3.tar.gz
</pre>
<h2>Step 5 - Building clnum, and the Binary Installer</h2>
<p>Now, we are building clnum at the command prompt, (not in
MSYS!), using Python distutils.</p>
<p>First, we set up the command prompt to paths<br>
<br>
(To find the mingw compiler)<br>
set PATH=c:\mingw\bin;%PATH%<br>
<br>
(To find the cln include files - this is /usr/local/include,
assuming MSYS is installed in the default place)<br>
set CPLUS_INCLUDE_PATH=c:\msys\1.0\local\include<br>
<br>
(To find the cln library file - this is /usr/local/lib, assuming
MSYS is installed in the default place)<br>
set LIBRARY_PATH=c:\msys\1.0\local\lib</p>
<p>Now, we assume Python 2.4 is installed and in the path (Mine was
Python2.4.3)</p>
<pre>

cd c:\clnum_build\clnum-1.3
python setup.py build --compiler=mingw32 bdist_wininst -o
</pre>
<p>(You can replace python with c:\python24\python or whatever, if
python is not in your path.) This should build and link clnum, and
build a binary installer.</p>
<p>Now go into the dist subdirectory, to find the binary installer.
Run this to install clnum into your python environment.</p>
<pre>
cd dist
clnum-1.3.win32-py2.4.exe
</pre>
<p>You can run the test scripts to verify functionality:</p>
<pre>
cd c:\clnum_build\clnum-1.3\test
test_clnum.py
</pre>
<p>If all tests pass, congratulations - you're done!</p>
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