#!/usr/bin/env python2.7

# Copyright 2015, ARM Limited
# All rights reserved.
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# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
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#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions and the following disclaimer.
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#     used to endorse or promote products derived from this software without
#     specific prior written permission.
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


import argparse
import glob
import os


dir_android = os.path.dirname(os.path.realpath(__file__))
dir_root = os.path.join(dir_android, '..', '..')

target_mk_default = os.path.abspath(os.path.join(dir_root, 'Android.mk'))


parser = argparse.ArgumentParser(
  description = \
    'Generate an `Android.mk` to compile VIXL within Android.',
  formatter_class=argparse.ArgumentDefaultsHelpFormatter
)
parser.add_argument('-o', '--output',
                    default=os.path.relpath(target_mk_default, os.getcwd()),
                    help='Target file.')
args = parser.parse_args()


sources = glob.glob(os.path.join(dir_root, 'src', 'vixl', '*.cc')) + \
          glob.glob(os.path.join(dir_root, 'src', 'vixl', 'a64', '*.cc'))
sources = map(lambda p : os.path.relpath(p, dir_root), sources)
sources.sort()

test_sources = glob.glob(os.path.join(dir_root, 'test', '*.cc'))
test_sources = map(lambda p : os.path.relpath(p, dir_root), test_sources)
test_sources.sort()

android_mk_template = os.path.join(dir_android, 'Android.mk.template')
with open(android_mk_template, 'r') as template_file:
  template = template_file.read()


template = template.format(vixl_sources=' \\\n  '.join(sources),
                           vixl_test_files=' \\\n  '.join(test_sources))


with open(args.output, 'w') as android_mk:
  android_mk.write(template)