/usr/share/cmake-2.8/Modules/CMakeVS6BackwardCompatibility.cmake is in cmake-data 2.8.12.2-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | #=============================================================================
# Copyright 2002-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
#  License text for the above reference.)
# hard code these for fast backwards compatibility tests
set (CMAKE_SIZEOF_INT       4   CACHE INTERNAL "Size of int data type")
set (CMAKE_SIZEOF_LONG      4   CACHE INTERNAL "Size of long data type")
set (CMAKE_SIZEOF_VOID_P    4   CACHE INTERNAL "Size of void* data type")
set (CMAKE_SIZEOF_CHAR      1   CACHE INTERNAL "Size of char data type")
set (CMAKE_SIZEOF_SHORT     2   CACHE INTERNAL "Size of short data type")
set (CMAKE_SIZEOF_FLOAT     4   CACHE INTERNAL "Size of float data type")
set (CMAKE_SIZEOF_DOUBLE    8   CACHE INTERNAL "Size of double data type")
set (CMAKE_NO_ANSI_FOR_SCOPE 1 CACHE INTERNAL
         "Does the compiler support ansi for scope.")
set (CMAKE_USE_WIN32_THREADS  TRUE CACHE BOOL    "Use the win32 thread library.")
set (CMAKE_WORDS_BIGENDIAN 0 CACHE INTERNAL "endianness of bytes")
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