src/build_tools/change_qt_reference_mac.py

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"""Change the reference to Qt frameworks.

Typical usage:

  % change_qt_reference_mac.py --qtdir=/path/to/qtdir/ \
      --target=/path/to/target.app/Contents/MacOS/target
"""

__author__ = "horo"

import optparse
import os

from util import PrintErrorAndExit
from util import RunOrDie


def ParseOption():
  """Parse command line options."""
  parser = optparse.OptionParser()
  parser.add_option('--qtdir', dest='qtdir')
  parser.add_option('--target', dest='target')

  (opts, _) = parser.parse_args()

  return opts


def main():
  opt = ParseOption()

  if not opt.qtdir:
    PrintErrorAndExit('--qtdir option is mandatory.')

  if not opt.target:
    PrintErrorAndExit('--target option is mandatory.')

  qtdir = os.path.abspath(opt.qtdir)
  target = os.path.abspath(opt.target)

  # Changes the reference to QtCore framework from the target application
  cmd = ["install_name_tool", "-change",
         "%s/lib/QtCore.framework/Versions/4/QtCore" % qtdir,
         "@executable_path/../Frameworks/QtCore.framework/Versions/4/QtCore",
         "%s" % target]
  RunOrDie(cmd)

  # Changes the reference to QtGui framework from the target application
  cmd = ["install_name_tool", "-change",
         "%s/lib/QtGui.framework/Versions/4/QtGui" % qtdir,
         "@executable_path/../Frameworks/QtGui.framework/Versions/4/QtGui",
         "%s" % target]
  RunOrDie(cmd)


if __name__ == '__main__':
  main()