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#!/bin/bash -e
# This script builds a specific python release to a prefix directory
# Stop on any errors
trap exit ERR
VERSION=$1
PREFIX=$2
test -d $PREFIX || mkdir -p $PREFIX || die "ERROR: Could not find/create $PREFIX"
PREFIX=`cd $PREFIX; pwd`
PATH="$PREFIX/bin:$PATH"
# Add ubuntus special lib and include dirs so python can find them.
export arch=$(dpkg-architecture -qDEB_HOST_MULTIARCH)
export LDFLAGS="-L/usr/lib/$arch -L/lib/$arch"
export CFLAGS="-I/usr/include/$arch"
export CPPFLAGS="-I/usr/include/$arch"
if [ -x $PREFIX/bin/python$VERSION ]; then
echo "Found Python executable. Skipping build"
exit 0
fi
pushd $PREFIX || exit 1
echo "Downloading source ..."
wget -N https://www.python.org/ftp/python/$VERSION/Python-$VERSION.tgz || exit 1
echo "Extracting source ..."
tar -xzf Python-$VERSION.tgz || exit 1
pushd Python-$VERSION || exit 1
echo "Running ./configure --prefix=$PREFIX ..."
./configure --prefix=$PREFIX || exit 1
echo "Running make && make install ..."
(make -j8 && make install) || exit 1
echo "Installing distribute and pip..."
hash -r
popd
echo "Cleaning up..."
rm -rf $VERSION.tar.gz distribute_setup.py cpython-$VERSION
popd
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