/usr/share/cmake-2.8/Modules/FindPHP4.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 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | # - Find PHP4
# This module finds if PHP4 is installed and determines where the include files
# and libraries are. It also determines what the name of the library is. This
# code sets the following variables:
#
#  PHP4_INCLUDE_PATH       = path to where php.h can be found
#  PHP4_EXECUTABLE         = full path to the php4 binary
#
#=============================================================================
# Copyright 2004-2009 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.)
set(PHP4_POSSIBLE_INCLUDE_PATHS
  /usr/include/php4
  /usr/local/include/php4
  /usr/include/php
  /usr/local/include/php
  /usr/local/apache/php
  )
set(PHP4_POSSIBLE_LIB_PATHS
  /usr/lib
  )
find_path(PHP4_FOUND_INCLUDE_PATH main/php.h
  ${PHP4_POSSIBLE_INCLUDE_PATHS})
if(PHP4_FOUND_INCLUDE_PATH)
  set(php4_paths "${PHP4_POSSIBLE_INCLUDE_PATHS}")
  foreach(php4_path Zend main TSRM)
    set(php4_paths ${php4_paths} "${PHP4_FOUND_INCLUDE_PATH}/${php4_path}")
  endforeach()
  set(PHP4_INCLUDE_PATH "${php4_paths}" CACHE INTERNAL "PHP4 include paths")
endif()
find_program(PHP4_EXECUTABLE NAMES php4 php )
mark_as_advanced(
  PHP4_EXECUTABLE
  PHP4_FOUND_INCLUDE_PATH
  )
if(APPLE)
# this is a hack for now
  set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS
   "${CMAKE_SHARED_MODULE_CREATE_C_FLAGS} -Wl,-flat_namespace")
  foreach(symbol
    __efree
    __emalloc
    __estrdup
    __object_init_ex
    __zend_get_parameters_array_ex
    __zend_list_find
    __zval_copy_ctor
    _add_property_zval_ex
    _alloc_globals
    _compiler_globals
    _convert_to_double
    _convert_to_long
    _zend_error
    _zend_hash_find
    _zend_register_internal_class_ex
    _zend_register_list_destructors_ex
    _zend_register_resource
    _zend_rsrc_list_get_rsrc_type
    _zend_wrong_param_count
    _zval_used_for_init
    )
    set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS
      "${CMAKE_SHARED_MODULE_CREATE_C_FLAGS},-U,${symbol}")
  endforeach()
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PHP4 DEFAULT_MSG PHP4_EXECUTABLE PHP4_INCLUDE_PATH)
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