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"""Script building Breakpad for Mozc/Mac.

python3 ././build_tools/build_breakpad.py
  --bpdir ./third_party/breakpad --outdir /tmp/breakpad

You can check available SDK versions with `xcodebuild -showsdks` and specify it
to `--sdk`.
"""

import optparse
import os
import subprocess
import sys

import codesign_mac  # for GetCodeSignFlags()


def ParseOption():
  parser = optparse.OptionParser()
  parser.add_option('--bpdir', default='./third_party/breakpad')
  parser.add_option('--outdir', default='./out_mac/Release/Breakpad')
  parser.add_option('--sdk', default='macosx13.0')
  parser.add_option('--deployment_target', default='12.0')

  (opts, _) = parser.parse_args()
  return opts


def ProcessCall(command):
  try:
    subprocess.check_output(command)
  except subprocess.CalledProcessError as e:
    print(e.output.decode('utf-8'))
    sys.exit(e.returncode)
  print('Done: %s' % ' '.join(command))


def Xcodebuild(projdir, target, arch, sdk, deployment_target, outdir):
  # version_code takes 6 digit chars like "120300" converted from "12.3".
  version_code = '{}{:>02}00'.format(*deployment_target.split('.'))
  cflags = ' '.join([
      '-Wno-switch',  # For common/dwarf/dwarf2reader.cc
      '-Wno-deprecated-declarations',
      '-DMAC_OS_X_VERSION_MAX_ALLOWED=' + version_code,
  ])
  ProcessCall([
      'xcodebuild', '-project', projdir, '-configuration', 'Release',
      '-target', target, '-arch', arch, '-sdk', sdk,
      'GCC_VERSION=com.apple.compilers.llvm.clang.1_0',
      'MACOSX_DEPLOYMENT_TARGET=%s' % deployment_target,
      'CONFIGURATION_BUILD_DIR=%s' % outdir,
      'OTHER_CFLAGS=%s' % cflags,  # No quotations are required for the value.
  ] + codesign_mac.GetCodeSignFlags())


def BuildBreakpad(outdir, sdk, deployment_target):
  projdir = os.path.join(outdir, 'src/client/mac/Breakpad.xcodeproj')
  Xcodebuild(projdir, 'Breakpad', 'x86_64', sdk, deployment_target, outdir)


def BuildDumpSyms(outdir, sdk, deployment_target):
  projdir = os.path.join(outdir, 'src/tools/mac/dump_syms/dump_syms.xcodeproj')
  Xcodebuild(projdir, 'dump_syms', 'x86_64', sdk, deployment_target, outdir)


def BuildSymupload(outdir, sdk, deployment_target):
  projdir = os.path.join(outdir, 'src/tools/mac/symupload/symupload.xcodeproj')
  # This build fails with Xcode8/i386.
  Xcodebuild(projdir, 'symupload', 'x86_64', sdk, deployment_target, outdir)


def CreateOutDir(bpdir, outdir):
  workdir = os.path.join(outdir, 'src')
  if not os.path.isdir(workdir):
    os.makedirs(workdir)
  ProcessCall(['rsync', '-avH', os.path.join(bpdir, 'src/'), workdir])


def main():
  opts = ParseOption()
  bpdir = os.path.abspath(opts.bpdir)
  outdir = os.path.abspath(opts.outdir)

  CreateOutDir(bpdir, outdir)
  BuildBreakpad(outdir, opts.sdk, opts.deployment_target)
  BuildDumpSyms(outdir, opts.sdk, opts.deployment_target)
  BuildSymupload(outdir, opts.sdk, opts.deployment_target)


if __name__ == '__main__':
  main()
