+#!/bin/sh -e
+
+# Remove util-linux dependency among other things.
+cat >> Modules/Setup <<EOF
+*disabled*
+_uuid nis ossaudiodev
+EOF
+
+# Reported 20-27% performance improvements.
+# See: "PythonNoSemanticInterpositionSpeedup"
+export CFLAGS="$CFLAGS -fno-semantic-interposition"
+export CXXFLAGS="$CXXFLAGS -fno-semantic-interposition"
+export LDFLAGS="$LDFLAGS -fno-semantic-interposition"
+
+patch -p1 < python3-always-pip.patch
+
+./configure \
+ --prefix=/usr \
+ --enable-shared \
+ --with-system-expat \
+ --with-system-ffi \
+ --with-ensurepip=yes \
+ --without-doc-strings
+
+make
+make DESTDIR="$1" install
+
+ln -s python3 "$1/usr/bin/python"
+ln -s pip3 "$1/usr/bin/pip"
+
+# Make static library writable.
+chmod u+w "$1/usr/lib/libpython"*
+
+# Let's make some kind of effort to reduce the overall
+# size of Python by removing a bunch of rarely used and
+# otherwise useless components.
+#
+# This can't be done via ./configure as the build system
+# doesn't give you this much control over the process.
+{
+ cd "$1/usr/lib/python"*
+ rm -rf test ./*/test ./*/tests
+ rm -rf idlelib turtle* config-*
+
+ cd "$1/usr/bin"
+ rm -f idle*
+}