Activate the base compatibility.

def fix_base(fix_environ):
    """Activate the base compatibility."""
    def _is_android():
        import os

        vm_path = os.sep+"system"+os.sep+"bin"+os.sep+"dalvikvm"
        if os.path.exists(vm_path) or os.path.exists(os.sep+"system"+vm_path):
            return True
        try:
            import android
            del android  # Unused import (imported only for Android detection)
            return True
        except ImportError:
            pass
        return False

    def _fix_android_environ():
        import os

        if "LD_LIBRARY_PATH" not in os.environ:
            os.environ["LD_LIBRARY_PATH"] = ""

        lib_path = os.pathsep+"/system/lib"+os.pathsep+"/vendor/lib"
        if sys.python_bits == 64:
            lib_path = os.pathsep+"/system/lib64"+os.pathsep+"/vendor/lib64" + lib_path

        os.environ["LD_LIBRARY_PATH"] += lib_path

    if sys.platform.startswith("linux") and sys.platform != "linux-android":
        if _is_android():
            sys.platform = "linux-android"
        elif "-" not in sys.platform:
            sys.platform = "linux"

    sys.platform_codename = sys.platform
    if sys.platform_codename == "win32":
        sys.platform_codename = "win"
    elif sys.platform_codename == "linux-android":
        sys.platform_codename = "android"

    if 'maxsize' in sys.__dict__:
        if sys.maxsize > 2**32:
            sys.python_bits = 64
        else:
            sys.python_bits = 32
    else:
        import struct
        sys.python_bits = 8 * struct.calcsize("P")
        if sys.python_bits == 32:
            sys.maxsize = 2147483647
        else:
            sys.maxsize = int("9223372036854775807")

    if fix_environ and sys.platform == "linux-android":
        _fix_android_environ()