Add build-wheels.sh in example for building manylinux1 wheels

Author: messense

example/README.rst

@@ -0,0 +1,6 @@
+Build manylinux1 wheels
+-----------------------------
+
+.. code-block:: bash
+
+    docker run --rm -v `pwd`:/io quay.io/pypa/manylinux1_x86_64 /io/build-wheels.sh

example/build-wheels.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -e -x
+
+mkdir ~/rust-installer
+curl -sL https://static.rust-lang.org/rustup.sh -o ~/rust-installer/rustup.sh
+sh ~/rust-installer/rustup.sh --prefix=~/rust --spec=nightly -y --disable-sudo
+export PATH="$HOME/rust/bin:$PATH"
+export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$HOME/rust/lib"
+
+# Compile wheels
+for PYBIN in /opt/python/cp{27,35,36}*/bin; do
+    export PYTHON_LIB=$(${PYBIN}/python -c "import sysconfig; print(sysconfig.get_config_var('LIBDIR'))")
+    export LIBRARY_PATH="$LIBRARY_PATH:$PYTHON_LIB"
+    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$PYTHON_LIB"
+    "${PYBIN}/pip" install -U  setuptools setuptools-rust wheel
+    "${PYBIN}/pip" wheel /io/ -w /io/dist/
+done
+
+# Bundle external shared libraries into the wheels
+for whl in /io/dist/*.whl; do
+    auditwheel repair "$whl" -w /io/dist/
+done
+
+# Install packages and test
+for PYBIN in /opt/python/cp{27,35,36}*/bin/; do
+    "${PYBIN}/pip" install hello-rust --no-index -f /io/dist/
+done