/usr/share/cmake-2.8/Modules/FindCups.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 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | # - Try to find the Cups printing system
# Once done this will define
#
#  CUPS_FOUND - system has Cups
#  CUPS_INCLUDE_DIR - the Cups include directory
#  CUPS_LIBRARIES - Libraries needed to use Cups
#  CUPS_VERSION_STRING - version of Cups found (since CMake 2.8.8)
#  Set CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE to TRUE if you need a version which
#  features this function (i.e. at least 1.1.19)
#=============================================================================
# Copyright 2006-2009 Kitware, Inc.
# Copyright 2006 Alexander Neundorf <neundorf@kde.org>
# Copyright 2012 Rolf Eike Beer <eike@sf-mail.de>
#
# 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.)
find_path(CUPS_INCLUDE_DIR cups/cups.h )
find_library(CUPS_LIBRARIES NAMES cups )
if (CUPS_INCLUDE_DIR AND CUPS_LIBRARIES AND CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE)
    include(${CMAKE_CURRENT_LIST_DIR}/CheckLibraryExists.cmake)
    # ippDeleteAttribute is new in cups-1.1.19 (and used by kdeprint)
    CHECK_LIBRARY_EXISTS(cups ippDeleteAttribute "" CUPS_HAS_IPP_DELETE_ATTRIBUTE)
endif ()
if (CUPS_INCLUDE_DIR AND EXISTS "${CUPS_INCLUDE_DIR}/cups/cups.h")
    file(STRINGS "${CUPS_INCLUDE_DIR}/cups/cups.h" cups_version_str
         REGEX "^#[\t ]*define[\t ]+CUPS_VERSION_(MAJOR|MINOR|PATCH)[\t ]+[0-9]+$")
    unset(CUPS_VERSION_STRING)
    foreach(VPART MAJOR MINOR PATCH)
        foreach(VLINE ${cups_version_str})
            if(VLINE MATCHES "^#[\t ]*define[\t ]+CUPS_VERSION_${VPART}")
                string(REGEX REPLACE "^#[\t ]*define[\t ]+CUPS_VERSION_${VPART}[\t ]+([0-9]+)$" "\\1"
                       CUPS_VERSION_PART "${VLINE}")
                if(CUPS_VERSION_STRING)
                    set(CUPS_VERSION_STRING "${CUPS_VERSION_STRING}.${CUPS_VERSION_PART}")
                else()
                    set(CUPS_VERSION_STRING "${CUPS_VERSION_PART}")
                endif()
            endif()
        endforeach()
    endforeach()
endif ()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
if (CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE)
    FIND_PACKAGE_HANDLE_STANDARD_ARGS(Cups
                                      REQUIRED_VARS CUPS_LIBRARIES CUPS_INCLUDE_DIR CUPS_HAS_IPP_DELETE_ATTRIBUTE
                                      VERSION_VAR CUPS_VERSION_STRING)
else ()
    FIND_PACKAGE_HANDLE_STANDARD_ARGS(Cups
                                      REQUIRED_VARS CUPS_LIBRARIES CUPS_INCLUDE_DIR
                                      VERSION_VAR CUPS_VERSION_STRING)
endif ()
mark_as_advanced(CUPS_INCLUDE_DIR CUPS_LIBRARIES)
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