Add build.py and fix up build-python.sh.

Change-Id: Ieeeb765e67899226578bf05eaf14552884029010

2 files changed, 94 insertions, 1 deletions

diff --git a/build-python.sh b/build-python.sh
index 10bd46d..135b2e1 100755
--- a/build-python.sh
+++ b/build-python.sh
@@ -23,7 +23,6 @@
 #
 
 # include common function and variable definitions
-NDK_BUILDTOOLS_PATH="$(dirname $0)"
 . "$NDK_BUILDTOOLS_PATH/prebuilt-common.sh"
 . "$NDK_BUILDTOOLS_PATH/common-build-host-funcs.sh"
 
diff --git a/build.py b/build.py
new file mode 100755
index 0000000..d7cb088
--- /dev/null
+++ b/build.py
@@ -0,0 +1,94 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+"""Builds Python for the NDK."""
+from __future__ import print_function
+
+import argparse
+import inspect
+import os
+import subprocess
+import sys
+
+
+def android_path(path=''):
+    top = os.getenv('ANDROID_BUILD_TOP', '')
+    return os.path.realpath(os.path.join(top, path))
+
+
+def get_default_package_dir():
+    return android_path('out/ndk')
+
+
+def get_default_host():
+    if sys.platform in ('linux', 'linux2'):
+        return 'linux'
+    elif sys.platform == 'darwin':
+        return 'darwin'
+    else:
+        raise RuntimeError('Unsupported host: {}'.format(sys.platform))
+
+
+class ArgParser(argparse.ArgumentParser):
+    def __init__(self):
+        super(ArgParser, self).__init__(
+            description=inspect.getdoc(sys.modules[__name__]),
+            formatter_class=argparse.RawDescriptionHelpFormatter)
+
+        self.add_argument(
+            '--host', choices=('darwin', 'linux', 'windows', 'windows64'),
+            default=get_default_host(),
+            help='Build binaries for given OS (e.g. linux).')
+        self.add_argument(
+            '--package-dir', help='Directory to place the packaged GCC.',
+            default=get_default_package_dir())
+
+
+def main():
+    args = ArgParser().parse_args()
+
+    if 'ANDROID_BUILD_TOP' not in os.environ:
+        top = os.path.join(os.path.dirname(__file__), '../..')
+        os.environ['ANDROID_BUILD_TOP'] = os.path.realpath(top)
+
+    os.chdir(android_path('toolchain/python'))
+
+    toolchain_path = android_path('toolchain')
+    ndk_path = android_path('ndk')
+
+    ndk_build_tools_path = android_path('ndk/build/tools')
+    build_env = dict(os.environ)
+    build_env['NDK_BUILDTOOLS_PATH'] = ndk_build_tools_path
+    build_env['ANDROID_NDK_ROOT'] = ndk_path
+
+    toolchain_dir_arg = '--toolchain-src-dir={}'.format(toolchain_path)
+    package_dir_arg = '--package-dir={}'.format(args.package_dir)
+
+    build_cmd = [
+        'bash', 'build-python.sh', toolchain_dir_arg, package_dir_arg,
+        '--verbose',
+    ]
+
+    if args.host in ('windows', 'windows64'):
+        build_cmd.append('--mingw')
+
+    if args.host != 'windows':
+        build_cmd.append('--try-64')
+
+    subprocess.check_call(build_cmd, env=build_env)
+
+if __name__ == '__main__':
+    main()