[Python-Dev] python3 k1om dissociation permanence

[Brett Cannon]

If you could, ƦOB, can you open issues on bugs.python.org for each of these
problems/changes? Otherwise we will lose track of this.

On Fri, 22 Jan 2016 at 11:57 ƦOB COASTN <robertpancoast77 at gmail.com> wrote:

> Hello,
>
> Enabling the build system for Intel MIC k1om is non-trivial using
> Python-3.4.4
> Using Python2 for the k1om is very popular, but I require Python3
> support on k1om.
>
> The first requirement to complete this build involved the download and
> extraction of pre-built MPSS RPM's.
> Then built required host python bins using GCC.
> Lastly, build MIC bins using ICC.
> The exacts are appended to the end of this message.
>
> I would like to discuss a few change requirements that trial and error
> has revealed.
>
> 1.) libffi requires the University OF Cantabria patch because the k1om
> is not binary compatible with x86_64. [attached]
>
> These libffi changes could be implemented using the __MIC__ or __KNC__
> macros.
> *see https://software.intel.com/en-us/node/514528
>
> 2.) ./configure script halts during failure to locate readelf for the host.
>
> I simply commented out these lines in the ./configure file:
>  #if test "$cross_compiling" = yes; then
>     #case "$READELF" in
>     #readelf|:)
>     #as_fn_error $? "readelf for the host is required for cross
> builds" "$LINENO" 5
>     #;;
>     #esac
> #fi
>
> Ideally, ./configure would support ICC and k1om.
> Am I missing something in the configure/make commands below?
> Is it possible to bypass the readelf requirement when cross-compiling for
> k1om?
>
> Additionally, are any of the command line parameters below unnecessary?
> PKG_CONFIG_LIBDIR
> PKG_CONFIG_PATH
> PYTHON_FOR_BUILD
> _PYTHON_HOST_PLATFORM
> HOSTPGEN
> HOSTARCH
> BUILDARCH
>
>
> Thanks,
> Rob
>
>
>
>
> #copy/unpack the k1om bins tarball
> cd /home/
> wget mpss-3.4.6-k1om.tar
> tar xvf mpss-3.4.6-k1om.tar
> cd /home/mpss-3.4.6/k1om/
> for rpm in *.rpm; do rpm2cpio $rpm | cpio -idm; done
>
> #vars
> PythonVersion=Python-3.4.4
> k1om_rpm=/home/mpss-3.4.6/k1om/
> INSTALLPREFIX=/home/Python/release/$PythonVersion-mic
> SRC=/home/Python/$PythonVersion
>
> echo "Compiling host Python"
> cd $SRC && make distclean
> cd $SRC && ./configure
> cd $SRC && make python Parser/pgen
> rm -f $SRC/hostpython
> mv $SRC/python $SRC/hostpython
> rm -f $SRC/Parser/hostpgen
> mv $SRC/Parser/pgen $SRC/Parser/hostpgen
> cd $SRC && make distclean
>
> echo "Configuring Python for MIC..."
> cd $SRC && CONFIG_SITE=config.site \
> ./configure \
> CC="icc -mmic" \
> CFLAGS="-I$k1om_rpm/include -I$k1om_rpm/usr/include -wd10006" \
> CXX="icpc -mmic" \
> CPPFLAGS="-I$k1om_rpm/include -I$k1om_rpm/usr/include -wd10006" \
> PKG_CONFIG_LIBDIR="$k1om_rpm/usr/lib64/pkgconfig" \
> PKG_CONFIG_PATH="$k1om_rpm/usr/lib64/pkgconfig" \
> --host=x86_64-k1om-linux \
> --build=x86_64-linux-gnu \
> --with-cxx-main="icpc -mmic" \
> --disable-ipv6
> echo "done"
>
> echo "Compiling Python for MIC..."
> cd $SRC && make \
> PYTHON_FOR_BUILD=./hostpython \
> _PYTHON_HOST_PLATFORM=x86_64-k1om-linux \
> HOSTPGEN=./Parser/hostpgen \
> HOSTARCH=x86_64-k1om-linux \
> BUILDARCH=x86_64-linux-gnu \
> EXTRA_CFLAGS="-fp-model precise -shared -fPIC" \
> LDFLAGS="-L$k1om_rpm/lib64 -L$k1om_rpm/usr/lib64"
> echo "done"
>
> echo "Installing Python for MIC"
> mkdir -p $INSTALLPREFIX
> cd $SRC && make install \
> PYTHON_FOR_BUILD=./hostpython \
> _PYTHON_HOST_PLATFORM=x86_64-k1om-linux \
> prefix=$INSTALLPREFIX
> echo "done"
> _______________________________________________
> Python-Dev mailing list
> Python-Dev at python.org
> https://mail.python.org/mailman/listinfo/python-dev
> Unsubscribe:
> https://mail.python.org/mailman/options/python-dev/brett%40python.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/python-dev/attachments/20160122/966ab5aa/attachment-0001.html>