Build system for statically-linked Python.

ports/python_modules/python_host/build.sh

+#!/bin/bash
+# Copyright (c) 2013 The Native Client Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Use the same patch here as for the destination tree.  This allows us to use
+# the same tree for both, although some care should be taken to note that our
+# DYNLOAD will be different between the two builds.
+PATCH_FILE=../../python_static/nacl.patch
+BUILD_DIR=${NACL_PACKAGES_REPOSITORY}/${PACKAGE_DIR}/build-nacl-host
+
+ConfigureStep() {
+  MakeDir ${BUILD_DIR}
+  ChangeDir ${BUILD_DIR}
+  # Reset CFLAGS and LDFLAGS when configuring the host
+  # version of python since they hold values designed for
+  # building for NaCl.  Note that we are forcing 32 bits here so
+  # our generated modules use Py_ssize_t of the correct size.
+  export CC="gcc -m32"
+  export CXX="g++ -m32"
+  export LD="gcc -m32"
+  LogExecute \
+    ../configure --prefix=${NACL_HOST_PYROOT}
+}