1# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
2# file Copyright.txt or https://cmake.org/licensing for details.
3
4# CPack script for creating Debian package
5# Author: Mathieu Malaterre
6#
7# http://wiki.debian.org/HowToPackageForDebian
8
9if(CMAKE_BINARY_DIR)
10  message(FATAL_ERROR "CPackDeb.cmake may only be used by CPack internally.")
11endif()
12
13cmake_policy(PUSH)
14cmake_policy(SET CMP0057 NEW) # if IN_LIST
15
16function(cpack_deb_variable_fallback OUTPUT_VAR_NAME)
17  set(FALLBACK_VAR_NAMES ${ARGN})
18
19  foreach(variable_name IN LISTS FALLBACK_VAR_NAMES)
20    if(${variable_name})
21      set(${OUTPUT_VAR_NAME} "${${variable_name}}" PARENT_SCOPE)
22      break()
23    endif()
24  endforeach()
25endfunction()
26
27function(get_component_package_name var component)
28  string(TOUPPER "${component}" component_upcase)
29  if(CPACK_DEBIAN_${component_upcase}_PACKAGE_NAME)
30    string(TOLOWER "${CPACK_DEBIAN_${component_upcase}_PACKAGE_NAME}" package_name)
31  else()
32    string(TOLOWER "${CPACK_DEBIAN_PACKAGE_NAME}-${component}" package_name)
33  endif()
34
35  set("${var}" "${package_name}" PARENT_SCOPE)
36endfunction()
37
38#extract library name and version for given shared object
39function(extract_so_info shared_object libname version)
40  if(READELF_EXECUTABLE)
41    execute_process(COMMAND "${READELF_EXECUTABLE}" -d "${shared_object}"
42      WORKING_DIRECTORY "${CPACK_TEMPORARY_DIRECTORY}"
43      RESULT_VARIABLE result
44      OUTPUT_VARIABLE output
45      ERROR_QUIET
46      OUTPUT_STRIP_TRAILING_WHITESPACE)
47    if(result EQUAL 0)
48      string(REGEX MATCH "\\(?SONAME\\)?[^\n]*\\[([^\n]+)\\.so\\.([^\n]*)\\]" soname "${output}")
49      set(${libname} "${CMAKE_MATCH_1}" PARENT_SCOPE)
50      set(${version} "${CMAKE_MATCH_2}" PARENT_SCOPE)
51    else()
52      message(WARNING "Error running readelf for \"${shared_object}\"")
53    endif()
54  else()
55    message(FATAL_ERROR "Readelf utility is not available.")
56  endif()
57endfunction()
58
59function(cpack_deb_check_description SUMMARY LINES RESULT_VARIABLE)
60  set(_result TRUE)
61
62  # Get the summary line
63  if(NOT SUMMARY MATCHES "^[^\\s].*$")
64    set(_result FALSE)
65    set(${RESULT_VARIABLE} ${_result} PARENT_SCOPE)
66    return()
67  endif()
68
69  foreach(_line IN LISTS LINES)
70    if(NOT _line MATCHES "^ +[^ ]+.*$")
71      set(_result FALSE)
72      break()
73    endif()
74  endforeach()
75
76  set(${RESULT_VARIABLE} ${_result} PARENT_SCOPE)
77endfunction()
78
79function(cpack_deb_format_package_description TEXT OUTPUT_VAR)
80  # Turn the possible multi-line string into a list
81  string(UUID uuid NAMESPACE 00000000-0000-0000-0000-000000000000 TYPE SHA1)
82  string(REPLACE ";" "${uuid}" _text "${TEXT}")
83  string(REPLACE "\n" ";" _lines "${_text}")
84  list(POP_FRONT _lines _summary)
85
86  # If the description ends with a newline (e.g. typically if it was read
87  # from a file) the last line will be empty. We drop it here, otherwise
88  # it would be replaced by a `.` which would lead to the package violating
89  # the extended-description-contains-empty-paragraph debian policy
90  list(POP_BACK _lines _last_line)
91  string(STRIP "${_last_line}" _last_line_strip)
92  if(_last_line_strip)
93    list(APPEND _lines "${_last_line_strip}")
94  endif()
95
96  # Check if reformatting required
97  cpack_deb_check_description("${_summary}" "${_lines}" _result)
98  if(_result)
99    # Ok, no formatting required
100    set(${OUTPUT_VAR} "${TEXT}" PARENT_SCOPE)
101    return()
102  endif()
103
104  # Format the summary line
105  string(STRIP "${_summary}" _summary)
106
107  # Make sure the rest formatted properly
108  set(_result)
109  foreach(_line IN LISTS _lines)
110    string(STRIP "${_line}" _line_strip)
111    if(NOT _line_strip)
112      # Replace empty lines w/ a _single full stop character_
113      set(_line " .")
114    else()
115      # Prepend the normal lines w/ a single space.
116      # If the line already starts w/ at least one space,
117      # it'll become _verbatim_ (assuming it supposed to be
118      # verbatim in the original text).
119      string(PREPEND _line " ")
120    endif()
121    list(APPEND _result "${_line}")
122  endforeach()
123
124  list(PREPEND _result "${_summary}")
125  list(JOIN _result "\n" _result)
126  string(REPLACE "${uuid}"  ";" _result "${_result}")
127  set(${OUTPUT_VAR} "${_result}" PARENT_SCOPE)
128endfunction()
129
130function(cpack_deb_prepare_package_vars)
131  # CPACK_DEBIAN_PACKAGE_SHLIBDEPS
132  # If specify OFF, only user depends are used
133  if(NOT DEFINED CPACK_DEBIAN_PACKAGE_SHLIBDEPS)
134    set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS OFF)
135  endif()
136
137  set(WDIR "${CPACK_TOPLEVEL_DIRECTORY}/${CPACK_PACKAGE_FILE_NAME}${CPACK_DEB_PACKAGE_COMPONENT_PART_PATH}")
138  set(DBGSYMDIR "${CPACK_TOPLEVEL_DIRECTORY}/${CPACK_PACKAGE_FILE_NAME}${CPACK_DEB_PACKAGE_COMPONENT_PART_PATH}-dbgsym")
139  file(REMOVE_RECURSE "${DBGSYMDIR}")
140
141  # per component automatic discover: some of the component might not have
142  # binaries.
143  if(CPACK_DEB_PACKAGE_COMPONENT)
144    string(TOUPPER "${CPACK_DEB_PACKAGE_COMPONENT}" _local_component_name)
145    set(_component_shlibdeps_var "CPACK_DEBIAN_${_local_component_name}_PACKAGE_SHLIBDEPS")
146
147    # if set, overrides the global configuration
148    if(DEFINED ${_component_shlibdeps_var})
149      set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS "${${_component_shlibdeps_var}}")
150      if(CPACK_DEBIAN_PACKAGE_DEBUG)
151        message("CPackDeb Debug: component '${CPACK_DEB_PACKAGE_COMPONENT}' dpkg-shlibdeps set to ${CPACK_DEBIAN_PACKAGE_SHLIBDEPS}")
152      endif()
153    endif()
154  endif()
155
156  cpack_deb_variable_fallback("CPACK_DEBIAN_DEBUGINFO_PACKAGE"
157    "CPACK_DEBIAN_${_local_component_name}_DEBUGINFO_PACKAGE"
158    "CPACK_DEBIAN_DEBUGINFO_PACKAGE")
159  if(CPACK_DEBIAN_PACKAGE_SHLIBDEPS OR CPACK_DEBIAN_PACKAGE_GENERATE_SHLIBS OR CPACK_DEBIAN_DEBUGINFO_PACKAGE)
160    # Generating binary list - Get type of all install files
161    file(GLOB_RECURSE FILE_PATHS_ LIST_DIRECTORIES false RELATIVE "${WDIR}" "${WDIR}/*")
162
163    find_program(FILE_EXECUTABLE file)
164    if(NOT FILE_EXECUTABLE)
165      message(FATAL_ERROR "CPackDeb: file utility is not available. CPACK_DEBIAN_PACKAGE_SHLIBDEPS and CPACK_DEBIAN_PACKAGE_GENERATE_SHLIBS options are not available.")
166    endif()
167
168    # get file info so that we can determine if file is executable or not
169    unset(CPACK_DEB_INSTALL_FILES)
170    foreach(FILE_ IN LISTS FILE_PATHS_)
171      execute_process(COMMAND ${CMAKE_COMMAND} -E env LC_ALL=C ${FILE_EXECUTABLE} "./${FILE_}"
172        WORKING_DIRECTORY "${WDIR}"
173        RESULT_VARIABLE FILE_RESULT_
174        OUTPUT_VARIABLE INSTALL_FILE_)
175      if(NOT FILE_RESULT_ EQUAL 0)
176        message(FATAL_ERROR "CPackDeb: execution of command: '${FILE_EXECUTABLE} ./${FILE_}' failed with exit code: ${FILE_RESULT_}")
177      endif()
178      list(APPEND CPACK_DEB_INSTALL_FILES "${INSTALL_FILE_}")
179    endforeach()
180
181    # Only dynamically linked ELF files are included
182    # Extract only file name infront of ":"
183    foreach(_FILE IN LISTS CPACK_DEB_INSTALL_FILES)
184      if(_FILE MATCHES "ELF.*dynamically linked")
185        string(REGEX MATCH "(^.*):" _FILE_NAME "${_FILE}")
186        list(APPEND CPACK_DEB_BINARY_FILES "${CMAKE_MATCH_1}")
187        set(CONTAINS_EXECUTABLE_FILES_ TRUE)
188      endif()
189      if(_FILE MATCHES "ELF.*shared object")
190        string(REGEX MATCH "(^.*):" _FILE_NAME "${_FILE}")
191        list(APPEND CPACK_DEB_SHARED_OBJECT_FILES "${CMAKE_MATCH_1}")
192      endif()
193      if(_FILE MATCHES "ELF.*not stripped")
194        string(REGEX MATCH "(^.*):" _FILE_NAME "${_FILE}")
195        list(APPEND CPACK_DEB_UNSTRIPPED_FILES "${CMAKE_MATCH_1}")
196      endif()
197    endforeach()
198  endif()
199
200  find_program(READELF_EXECUTABLE NAMES readelf)
201
202  if(CPACK_DEBIAN_DEBUGINFO_PACKAGE AND CPACK_DEB_UNSTRIPPED_FILES)
203    find_program(OBJCOPY_EXECUTABLE NAMES objcopy)
204
205    if(NOT OBJCOPY_EXECUTABLE)
206      message(FATAL_ERROR "debuginfo packages require the objcopy tool")
207    endif()
208    if(NOT READELF_EXECUTABLE)
209      message(FATAL_ERROR "debuginfo packages require the readelf tool")
210    endif()
211
212    file(RELATIVE_PATH _DBGSYM_ROOT "${CPACK_TEMPORARY_DIRECTORY}" "${DBGSYMDIR}")
213    foreach(_FILE IN LISTS CPACK_DEB_UNSTRIPPED_FILES)
214
215      # Get the file's Build ID
216      execute_process(COMMAND env LC_ALL=C ${READELF_EXECUTABLE} -n "${_FILE}"
217        WORKING_DIRECTORY "${CPACK_TEMPORARY_DIRECTORY}"
218        OUTPUT_VARIABLE READELF_OUTPUT
219        RESULT_VARIABLE READELF_RESULT
220        ERROR_VARIABLE READELF_ERROR
221        OUTPUT_STRIP_TRAILING_WHITESPACE )
222      if(NOT READELF_RESULT EQUAL 0)
223        message(FATAL_ERROR "CPackDeb: readelf: '${READELF_ERROR}';\n"
224            "executed command: '${READELF_EXECUTABLE} -n ${_FILE}'")
225      endif()
226      if(READELF_OUTPUT MATCHES "Build ID: ([0-9a-zA-Z][0-9a-zA-Z])([0-9a-zA-Z]*)")
227        set(_BUILD_ID_START ${CMAKE_MATCH_1})
228        set(_BUILD_ID_REMAINING ${CMAKE_MATCH_2})
229        list(APPEND BUILD_IDS ${_BUILD_ID_START}${_BUILD_ID_REMAINING})
230      else()
231        message(FATAL_ERROR "Unable to determine Build ID for ${_FILE}")
232      endif()
233
234      # Split out the debug symbols from the binaries
235      set(_FILE_DBGSYM ${_DBGSYM_ROOT}/usr/lib/debug/.build-id/${_BUILD_ID_START}/${_BUILD_ID_REMAINING}.debug)
236      get_filename_component(_OUT_DIR "${_FILE_DBGSYM}" DIRECTORY)
237      file(MAKE_DIRECTORY "${CPACK_TEMPORARY_DIRECTORY}/${_OUT_DIR}")
238      execute_process(COMMAND ${OBJCOPY_EXECUTABLE} --only-keep-debug "${_FILE}" "${_FILE_DBGSYM}"
239        WORKING_DIRECTORY "${CPACK_TEMPORARY_DIRECTORY}"
240        OUTPUT_VARIABLE OBJCOPY_OUTPUT
241        RESULT_VARIABLE OBJCOPY_RESULT
242        ERROR_VARIABLE OBJCOPY_ERROR
243        OUTPUT_STRIP_TRAILING_WHITESPACE )
244      if(NOT OBJCOPY_RESULT EQUAL 0)
245        message(FATAL_ERROR "CPackDeb: objcopy: '${OBJCOPY_ERROR}';\n"
246            "executed command: '${OBJCOPY_EXECUTABLE} --only-keep-debug ${_FILE} ${_FILE_DBGSYM}'")
247      endif()
248      execute_process(COMMAND ${OBJCOPY_EXECUTABLE} --strip-unneeded ${_FILE}
249        WORKING_DIRECTORY "${CPACK_TEMPORARY_DIRECTORY}"
250        OUTPUT_VARIABLE OBJCOPY_OUTPUT
251        RESULT_VARIABLE OBJCOPY_RESULT
252        ERROR_VARIABLE OBJCOPY_ERROR
253        OUTPUT_STRIP_TRAILING_WHITESPACE )
254      if(NOT OBJCOPY_RESULT EQUAL 0)
255        message(FATAL_ERROR "CPackDeb: objcopy: '${OBJCOPY_ERROR}';\n"
256            "executed command: '${OBJCOPY_EXECUTABLE} --strip-debug ${_FILE}'")
257      endif()
258      execute_process(COMMAND ${OBJCOPY_EXECUTABLE} --add-gnu-debuglink=${_FILE_DBGSYM} ${_FILE}
259        WORKING_DIRECTORY "${CPACK_TEMPORARY_DIRECTORY}"
260        OUTPUT_VARIABLE OBJCOPY_OUTPUT
261        RESULT_VARIABLE OBJCOPY_RESULT
262        ERROR_VARIABLE OBJCOPY_ERROR
263        OUTPUT_STRIP_TRAILING_WHITESPACE )
264      if(NOT OBJCOPY_RESULT EQUAL 0)
265        message(FATAL_ERROR "CPackDeb: objcopy: '${OBJCOPY_ERROR}';\n"
266            "executed command: '${OBJCOPY_EXECUTABLE} --add-gnu-debuglink=${_FILE_DBGSYM} ${_FILE}'")
267      endif()
268    endforeach()
269  endif()
270
271  if(CPACK_DEBIAN_PACKAGE_SHLIBDEPS)
272    # dpkg-shlibdeps is a Debian utility for generating dependency list
273    find_program(SHLIBDEPS_EXECUTABLE dpkg-shlibdeps)
274
275    if(SHLIBDEPS_EXECUTABLE)
276      # Check version of the dpkg-shlibdeps tool using CPackDEB method
277      execute_process(COMMAND ${CMAKE_COMMAND} -E env LC_ALL=C ${SHLIBDEPS_EXECUTABLE} --version
278        OUTPUT_VARIABLE _TMP_VERSION
279        ERROR_QUIET
280        OUTPUT_STRIP_TRAILING_WHITESPACE)
281      if(_TMP_VERSION MATCHES "dpkg-shlibdeps version ([0-9]+\\.[0-9]+\\.[0-9]+)")
282        set(SHLIBDEPS_EXECUTABLE_VERSION "${CMAKE_MATCH_1}")
283      else()
284        unset(SHLIBDEPS_EXECUTABLE_VERSION)
285      endif()
286
287      if(CPACK_DEBIAN_PACKAGE_DEBUG)
288        message("CPackDeb Debug: dpkg-shlibdeps --version output is '${_TMP_VERSION}'")
289        message("CPackDeb Debug: dpkg-shlibdeps version is <${SHLIBDEPS_EXECUTABLE_VERSION}>")
290      endif()
291
292      if(CONTAINS_EXECUTABLE_FILES_)
293        message("CPackDeb: - Generating dependency list")
294
295        # Create blank control file for running dpkg-shlibdeps
296        # There might be some other way to invoke dpkg-shlibdeps without creating this file
297        # but standard debian package should not have anything that can collide with this file or directory
298        file(MAKE_DIRECTORY ${CPACK_TEMPORARY_DIRECTORY}/debian)
299        file(WRITE ${CPACK_TEMPORARY_DIRECTORY}/debian/control "")
300
301        # Create a DEBIAN directory so that dpkg-shlibdeps can find the package dir when resolving $ORIGIN.
302        file(MAKE_DIRECTORY "${CPACK_TEMPORARY_DIRECTORY}/DEBIAN")
303
304        # Add --ignore-missing-info if the tool supports it
305        execute_process(COMMAND ${CMAKE_COMMAND} -E env LC_ALL=C ${SHLIBDEPS_EXECUTABLE} --help
306          OUTPUT_VARIABLE _TMP_HELP
307          ERROR_QUIET
308          OUTPUT_STRIP_TRAILING_WHITESPACE)
309        if(_TMP_HELP MATCHES "--ignore-missing-info")
310          set(IGNORE_MISSING_INFO_FLAG "--ignore-missing-info")
311        endif()
312
313        if(CPACK_DEBIAN_PACKAGE_SHLIBDEPS_PRIVATE_DIRS)
314          unset(PRIVATE_SEARCH_DIR_OPTIONS)
315          # Add -l option if the tool supports it
316          if(DEFINED SHLIBDEPS_EXECUTABLE_VERSION AND SHLIBDEPS_EXECUTABLE_VERSION VERSION_GREATER_EQUAL 1.17.0)
317            foreach(dir IN LISTS CPACK_DEBIAN_PACKAGE_SHLIBDEPS_PRIVATE_DIRS)
318              list(APPEND PRIVATE_SEARCH_DIR_OPTIONS "-l${dir}")
319            endforeach()
320          else()
321            message(WARNING "CPackDeb: dkpg-shlibdeps is too old. \"CPACK_DEBIAN_PACKAGE_SHLIBDEPS_PRIVATE_DIRS\" is therefore ignored.")
322          endif()
323        endif()
324
325        # Execute dpkg-shlibdeps
326        # --ignore-missing-info : allow dpkg-shlibdeps to run even if some libs do not belong to a package
327        # -l<dir>: make dpkg-shlibdeps also search in this directory for (private) shared library dependencies
328        # -O : print to STDOUT
329        execute_process(COMMAND ${SHLIBDEPS_EXECUTABLE} ${PRIVATE_SEARCH_DIR_OPTIONS} ${IGNORE_MISSING_INFO_FLAG} -O ${CPACK_DEB_BINARY_FILES}
330          WORKING_DIRECTORY "${CPACK_TEMPORARY_DIRECTORY}"
331          OUTPUT_VARIABLE SHLIBDEPS_OUTPUT
332          RESULT_VARIABLE SHLIBDEPS_RESULT
333          ERROR_VARIABLE SHLIBDEPS_ERROR
334          OUTPUT_STRIP_TRAILING_WHITESPACE )
335        if(CPACK_DEBIAN_PACKAGE_DEBUG)
336          # dpkg-shlibdeps will throw some warnings if some input files are not binary
337          message( "CPackDeb Debug: dpkg-shlibdeps warnings \n${SHLIBDEPS_ERROR}")
338        endif()
339        if(NOT SHLIBDEPS_RESULT EQUAL 0)
340          message(FATAL_ERROR "CPackDeb: dpkg-shlibdeps: '${SHLIBDEPS_ERROR}';\n"
341              "executed command: '${SHLIBDEPS_EXECUTABLE} ${PRIVATE_SEARCH_DIR_OPTIONS} ${IGNORE_MISSING_INFO_FLAG} -O ${CPACK_DEB_BINARY_FILES}';\n"
342              "found files: '${INSTALL_FILE_}';\n"
343              "files info: '${CPACK_DEB_INSTALL_FILES}';\n"
344              "binary files: '${CPACK_DEB_BINARY_FILES}'")
345        endif()
346
347        #Get rid of prefix generated by dpkg-shlibdeps
348        string(REGEX REPLACE "^.*Depends=" "" CPACK_DEBIAN_PACKAGE_AUTO_DEPENDS "${SHLIBDEPS_OUTPUT}")
349
350        if(CPACK_DEBIAN_PACKAGE_DEBUG)
351          message("CPackDeb Debug: Found dependency: ${CPACK_DEBIAN_PACKAGE_AUTO_DEPENDS} from output ${SHLIBDEPS_OUTPUT}")
352        endif()
353
354        # Remove blank control file
355        # Might not be safe if package actual contain file or directory named debian
356        file(REMOVE_RECURSE "${CPACK_TEMPORARY_DIRECTORY}/debian")
357
358        # remove temporary directory that was created only for dpkg-shlibdeps execution
359        file(REMOVE_RECURSE "${CPACK_TEMPORARY_DIRECTORY}/DEBIAN")
360      else()
361        if(CPACK_DEBIAN_PACKAGE_DEBUG)
362          message(AUTHOR_WARNING "CPackDeb Debug: Using only user-provided depends because package does not contain executable files that link to shared libraries.")
363        endif()
364      endif()
365    else()
366      message("CPackDeb: Using only user-provided dependencies because dpkg-shlibdeps is not found.")
367    endif()
368
369  else()
370    if(CPACK_DEBIAN_PACKAGE_DEBUG)
371      message("CPackDeb Debug: Using only user-provided dependencies")
372    endif()
373  endif()
374
375  # Let's define the control file found in debian package:
376
377  # Binary package:
378  # http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-binarycontrolfiles
379
380  # DEBIAN/control
381  # debian policy enforce lower case for package name
382  # Package: (mandatory)
383  if(NOT CPACK_DEBIAN_PACKAGE_NAME)
384    string(TOLOWER "${CPACK_PACKAGE_NAME}" CPACK_DEBIAN_PACKAGE_NAME)
385  endif()
386
387  # Version: (mandatory)
388  if(NOT CPACK_DEBIAN_PACKAGE_VERSION)
389    if(NOT CPACK_PACKAGE_VERSION)
390      message(FATAL_ERROR "CPackDeb: Debian package requires a package version")
391    endif()
392    set(CPACK_DEBIAN_PACKAGE_VERSION ${CPACK_PACKAGE_VERSION})
393  endif()
394
395  if(DEFINED CPACK_DEBIAN_PACKAGE_RELEASE OR DEFINED CPACK_DEBIAN_PACKAGE_EPOCH)
396    # only test the version format if CPACK_DEBIAN_PACKAGE_RELEASE or
397    # CPACK_DEBIAN_PACKAGE_EPOCH is set
398    if(NOT CPACK_DEBIAN_PACKAGE_VERSION MATCHES "^[0-9][A-Za-z0-9.+~-]*$")
399      message(FATAL_ERROR
400        "CPackDeb: Debian package version must confirm to \"^[0-9][A-Za-z0-9.+~-]*$\" regex!")
401    endif()
402  else()
403    # before CMake 3.10 version format was not tested so only warn to preserve
404    # backward compatibility
405    if(NOT CPACK_DEBIAN_PACKAGE_VERSION MATCHES "^([0-9]+:)?[0-9][A-Za-z0-9.+~-]*$")
406      message(AUTHOR_WARNING
407        "CPackDeb: Debian package versioning ([<epoch>:]<version>[-<release>])"
408        " should confirm to \"^([0-9]+:)?[0-9][A-Za-z0-9.+~-]*$\" regex in"
409        " order to satisfy Debian packaging rules.")
410    endif()
411  endif()
412
413  if(CPACK_DEBIAN_PACKAGE_RELEASE)
414    if(NOT CPACK_DEBIAN_PACKAGE_RELEASE MATCHES "^[A-Za-z0-9.+~]+$")
415      message(FATAL_ERROR
416        "CPackDeb: Debian package release must confirm to \"^[A-Za-z0-9.+~]+$\" regex!")
417    endif()
418    string(APPEND CPACK_DEBIAN_PACKAGE_VERSION
419      "-${CPACK_DEBIAN_PACKAGE_RELEASE}")
420  elseif(DEFINED CPACK_DEBIAN_PACKAGE_EPOCH)
421    # only test the version format if CPACK_DEBIAN_PACKAGE_RELEASE or
422    # CPACK_DEBIAN_PACKAGE_EPOCH is set - versions CPack/Deb generator before
423    # CMake 3.10 did not check for version format so we have to preserve
424    # backward compatibility
425    if(CPACK_DEBIAN_PACKAGE_VERSION MATCHES ".*-.*")
426      message(FATAL_ERROR
427        "CPackDeb: Debian package version must not contain hyphens when CPACK_DEBIAN_PACKAGE_RELEASE is not provided!")
428    endif()
429  endif()
430
431  if(CPACK_DEBIAN_PACKAGE_EPOCH)
432    if(NOT CPACK_DEBIAN_PACKAGE_EPOCH MATCHES "^[0-9]+$")
433      message(FATAL_ERROR
434        "CPackDeb: Debian package epoch must confirm to \"^[0-9]+$\" regex!")
435    endif()
436    set(CPACK_DEBIAN_PACKAGE_VERSION
437      "${CPACK_DEBIAN_PACKAGE_EPOCH}:${CPACK_DEBIAN_PACKAGE_VERSION}")
438  endif()
439
440  # Architecture: (mandatory)
441  if(CPACK_DEB_PACKAGE_COMPONENT AND CPACK_DEBIAN_${_local_component_name}_PACKAGE_ARCHITECTURE)
442    set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "${CPACK_DEBIAN_${_local_component_name}_PACKAGE_ARCHITECTURE}")
443  elseif(NOT CPACK_DEBIAN_PACKAGE_ARCHITECTURE)
444    # There is no such thing as i686 architecture on debian, you should use i386 instead
445    # $ dpkg --print-architecture
446    find_program(DPKG_CMD dpkg)
447    if(NOT DPKG_CMD)
448      message(STATUS "CPackDeb: Can not find dpkg in your path, default to i386.")
449      set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE i386)
450    endif()
451    execute_process(COMMAND "${DPKG_CMD}" --print-architecture
452      OUTPUT_VARIABLE CPACK_DEBIAN_PACKAGE_ARCHITECTURE
453      OUTPUT_STRIP_TRAILING_WHITESPACE
454      )
455  endif()
456
457  # Source: (optional)
458  # in case several packages are constructed from a unique source
459  # (multipackaging), the source may be indicated as well.
460  # The source might contain a version if the generated package
461  # version is different from the source version
462  if(NOT CPACK_DEBIAN_PACKAGE_SOURCE)
463    set(CPACK_DEBIAN_PACKAGE_SOURCE "")
464  endif()
465
466  # have a look at get_property(result GLOBAL PROPERTY ENABLED_FEATURES),
467  # this returns the successful find_package() calls, maybe this can help
468  # Depends:
469  # You should set: DEBIAN_PACKAGE_DEPENDS
470  # TODO: automate 'objdump -p | grep NEEDED'
471
472  # if per-component variable, overrides the global CPACK_DEBIAN_PACKAGE_${variable_type_}
473  # automatic dependency discovery will be performed afterwards.
474  if(CPACK_DEB_PACKAGE_COMPONENT)
475    foreach(value_type_ IN ITEMS DEPENDS RECOMMENDS SUGGESTS PREDEPENDS ENHANCES BREAKS CONFLICTS PROVIDES REPLACES SOURCE SECTION PRIORITY NAME)
476      set(_component_var "CPACK_DEBIAN_${_local_component_name}_PACKAGE_${value_type_}")
477
478      # if set, overrides the global variable
479      if(DEFINED ${_component_var})
480        set(CPACK_DEBIAN_PACKAGE_${value_type_} "${${_component_var}}")
481        if(CPACK_DEBIAN_PACKAGE_DEBUG)
482          message("CPackDeb Debug: component '${_local_component_name}' ${value_type_} "
483            "value set to '${CPACK_DEBIAN_PACKAGE_${value_type_}}'")
484        endif()
485      endif()
486    endforeach()
487
488    if(CPACK_DEBIAN_ENABLE_COMPONENT_DEPENDS)
489      unset(COMPONENT_DEPENDS)
490      foreach(_PACK IN LISTS CPACK_COMPONENT_${_local_component_name}_DEPENDS)
491        get_component_package_name(_PACK_NAME "${_PACK}")
492        list(PREPEND COMPONENT_DEPENDS "${_PACK_NAME} (= ${CPACK_DEBIAN_PACKAGE_VERSION})")
493      endforeach()
494      list(JOIN COMPONENT_DEPENDS ", " COMPONENT_DEPENDS)
495      if(COMPONENT_DEPENDS)
496        list(PREPEND CPACK_DEBIAN_PACKAGE_DEPENDS ${COMPONENT_DEPENDS})
497        list(JOIN CPACK_DEBIAN_PACKAGE_DEPENDS ", " CPACK_DEBIAN_PACKAGE_DEPENDS)
498      endif()
499    endif()
500  endif()
501
502  # at this point, the CPACK_DEBIAN_PACKAGE_DEPENDS is properly set
503  # to the minimal dependency of the package
504  # Append automatically discovered dependencies .
505  if(CPACK_DEBIAN_PACKAGE_AUTO_DEPENDS)
506    list(APPEND CPACK_DEBIAN_PACKAGE_DEPENDS ${CPACK_DEBIAN_PACKAGE_AUTO_DEPENDS})
507    list(JOIN CPACK_DEBIAN_PACKAGE_DEPENDS ", " CPACK_DEBIAN_PACKAGE_DEPENDS)
508  endif()
509
510  if(NOT CPACK_DEBIAN_PACKAGE_DEPENDS)
511    message(STATUS "CPACK_DEBIAN_PACKAGE_DEPENDS not set, the package will have no dependencies.")
512  endif()
513
514  # Maintainer: (mandatory)
515  if(NOT CPACK_DEBIAN_PACKAGE_MAINTAINER)
516    if(NOT CPACK_PACKAGE_CONTACT)
517      message(FATAL_ERROR "CPackDeb: Debian package requires a maintainer for a package, set CPACK_PACKAGE_CONTACT or CPACK_DEBIAN_PACKAGE_MAINTAINER")
518    endif()
519    set(CPACK_DEBIAN_PACKAGE_MAINTAINER ${CPACK_PACKAGE_CONTACT})
520  endif()
521
522  # Description: (mandatory)
523  # Try package description first
524  if(CPACK_USED_DEFAULT_PACKAGE_DESCRIPTION_FILE)
525    set(_desc_fallback)
526  else()
527    set(_desc_fallback "CPACK_PACKAGE_DESCRIPTION")
528  endif()
529  if(CPACK_DEB_PACKAGE_COMPONENT)
530    cpack_deb_variable_fallback("CPACK_DEBIAN_PACKAGE_DESCRIPTION"
531      "CPACK_DEBIAN_${_local_component_name}_DESCRIPTION"
532      "CPACK_COMPONENT_${_local_component_name}_DESCRIPTION")
533  else()
534    cpack_deb_variable_fallback("CPACK_DEBIAN_PACKAGE_DESCRIPTION"
535      "CPACK_DEBIAN_PACKAGE_DESCRIPTION"
536      ${_desc_fallback})
537  endif()
538
539  # Still no description? ... and description file has set ...
540  if(NOT CPACK_DEBIAN_PACKAGE_DESCRIPTION
541     AND CPACK_PACKAGE_DESCRIPTION_FILE
542     AND NOT CPACK_PACKAGE_DESCRIPTION_FILE STREQUAL CPACK_DEFAULT_PACKAGE_DESCRIPTION_FILE)
543    # Read `CPACK_PACKAGE_DESCRIPTION_FILE` then...
544    file(READ ${CPACK_PACKAGE_DESCRIPTION_FILE} CPACK_DEBIAN_PACKAGE_DESCRIPTION)
545  endif()
546
547  # Still no description? #2
548  if(NOT CPACK_DEBIAN_PACKAGE_DESCRIPTION)
549    # Try to get `CPACK_PACKAGE_DESCRIPTION_SUMMARY` as the last hope
550    if(CPACK_PACKAGE_DESCRIPTION_SUMMARY)
551      set(CPACK_DEBIAN_PACKAGE_DESCRIPTION ${CPACK_PACKAGE_DESCRIPTION_SUMMARY})
552    else()
553      # Giving up! Report an error...
554      set(_description_failure_message
555        "CPackDeb: Debian package requires a summary for a package, set CPACK_PACKAGE_DESCRIPTION_SUMMARY or CPACK_DEBIAN_PACKAGE_DESCRIPTION")
556      if(CPACK_DEB_PACKAGE_COMPONENT)
557        string(APPEND _description_failure_message
558          " or CPACK_DEBIAN_${_local_component_name}_DESCRIPTION")
559      endif()
560      message(FATAL_ERROR "${_description_failure_message}")
561    endif()
562
563  # Ok, description has set. According to the `Debian Policy Manual`_ the first
564  # line is a package summary.  Try to get it as well...
565  # See also: https://www.debian.org/doc/debian-policy/ch-controlfields.html#description
566  elseif(CPACK_PACKAGE_DESCRIPTION_SUMMARY AND
567         NOT CPACK_PACKAGE_DESCRIPTION_SUMMARY STREQUAL CPACK_DEFAULT_PACKAGE_DESCRIPTION_SUMMARY)
568    # Merge summary w/ the detailed description
569    string(PREPEND CPACK_DEBIAN_PACKAGE_DESCRIPTION "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}\n")
570  endif()
571  # assert(CPACK_DEBIAN_PACKAGE_DESCRIPTION)
572
573  # Make sure description is properly formatted
574  cpack_deb_format_package_description(
575    "${CPACK_DEBIAN_PACKAGE_DESCRIPTION}"
576    CPACK_DEBIAN_PACKAGE_DESCRIPTION
577  )
578
579  # Homepage: (optional)
580  if(NOT CPACK_DEBIAN_PACKAGE_HOMEPAGE AND CPACK_PACKAGE_HOMEPAGE_URL)
581    set(CPACK_DEBIAN_PACKAGE_HOMEPAGE "${CPACK_PACKAGE_HOMEPAGE_URL}")
582  endif()
583
584  # Section: (recommended)
585  if(NOT CPACK_DEBIAN_PACKAGE_SECTION)
586    set(CPACK_DEBIAN_PACKAGE_SECTION "devel")
587  endif()
588
589  # Priority: (recommended)
590  if(NOT CPACK_DEBIAN_PACKAGE_PRIORITY)
591    set(CPACK_DEBIAN_PACKAGE_PRIORITY "optional")
592  endif()
593
594  if(CPACK_DEBIAN_ARCHIVE_TYPE)
595    if(CPACK_DEBIAN_ARCHIVE_TYPE STREQUAL "paxr")
596      message(DEPRECATION "CPACK_DEBIAN_ARCHIVE_TYPE set to old and invalid "
597        "type 'paxr', mapping to 'gnutar'")
598      set(CPACK_DEBIAN_ARCHIVE_TYPE "gnutar")
599    elseif(NOT CPACK_DEBIAN_ARCHIVE_TYPE STREQUAL "gnutar")
600      message(FATAL_ERROR "CPACK_DEBIAN_ARCHIVE_TYPE set to unsupported"
601        "type ${CPACK_DEBIAN_ARCHIVE_TYPE}")
602    endif()
603  else()
604    set(CPACK_DEBIAN_ARCHIVE_TYPE "gnutar")
605  endif()
606
607  # Compression: (recommended)
608  if(NOT CPACK_DEBIAN_COMPRESSION_TYPE)
609    set(CPACK_DEBIAN_COMPRESSION_TYPE "gzip")
610  endif()
611
612  # Recommends:
613  # You should set: CPACK_DEBIAN_PACKAGE_RECOMMENDS
614
615  # Suggests:
616  # You should set: CPACK_DEBIAN_PACKAGE_SUGGESTS
617
618  # CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA
619  # This variable allow advanced user to add custom script to the control.tar.gz (inside the .deb archive)
620  # Typical examples are:
621  # - conffiles
622  # - postinst
623  # - postrm
624  # - prerm
625  # Usage:
626  # set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA
627  #    "${CMAKE_CURRENT_SOURCE_DIR}/prerm;${CMAKE_CURRENT_SOURCE_DIR}/postrm")
628
629  # Are we packaging components ?
630  if(CPACK_DEB_PACKAGE_COMPONENT)
631    # override values with per component version if set
632    foreach(VAR_NAME_ IN ITEMS PACKAGE_CONTROL_EXTRA PACKAGE_CONTROL_STRICT_PERMISSION)
633      if(CPACK_DEBIAN_${_local_component_name}_${VAR_NAME_})
634        set(CPACK_DEBIAN_${VAR_NAME_} "${CPACK_DEBIAN_${_local_component_name}_${VAR_NAME_}}")
635      endif()
636    endforeach()
637    get_component_package_name(CPACK_DEBIAN_PACKAGE_NAME ${_local_component_name})
638  endif()
639
640  if(NOT CPACK_DEBIAN_PACKAGE_GENERATE_SHLIBS_POLICY)
641    set(CPACK_DEBIAN_PACKAGE_GENERATE_SHLIBS_POLICY "=")
642  endif()
643
644  unset(CPACK_DEBIAN_PACKAGE_SHLIBS_LIST)
645
646  if(CPACK_DEBIAN_PACKAGE_GENERATE_SHLIBS)
647    if(READELF_EXECUTABLE)
648      foreach(_FILE IN LISTS CPACK_DEB_SHARED_OBJECT_FILES)
649        extract_so_info("${_FILE}" libname soversion)
650        if(libname AND DEFINED soversion)
651          list(APPEND CPACK_DEBIAN_PACKAGE_SHLIBS_LIST
652               "${libname} ${soversion} ${CPACK_DEBIAN_PACKAGE_NAME} (${CPACK_DEBIAN_PACKAGE_GENERATE_SHLIBS_POLICY} ${CPACK_DEBIAN_PACKAGE_VERSION})")
653        else()
654          message(AUTHOR_WARNING "Shared library '${_FILE}' is missing soname or soversion. Library will not be added to DEBIAN/shlibs control file.")
655        endif()
656      endforeach()
657      list(JOIN CPACK_DEBIAN_PACKAGE_SHLIBS_LIST "\n" CPACK_DEBIAN_PACKAGE_SHLIBS_LIST)
658    else()
659      message(FATAL_ERROR "Readelf utility is not available. CPACK_DEBIAN_PACKAGE_GENERATE_SHLIBS option is not available.")
660    endif()
661  endif()
662
663  # add ldconfig call in default postrm and postint
664  set(CPACK_ADD_LDCONFIG_CALL 0)
665  # all files in CPACK_DEB_SHARED_OBJECT_FILES have dot at the beginning
666  set(_LDCONF_DEFAULTS "./lib" "./usr/lib")
667  foreach(_FILE IN LISTS CPACK_DEB_SHARED_OBJECT_FILES)
668    get_filename_component(_DIR ${_FILE} DIRECTORY)
669    get_filename_component(_PARENT_DIR ${_DIR} DIRECTORY)
670    if(_DIR IN_LIST _LDCONF_DEFAULTS OR _PARENT_DIR IN_LIST _LDCONF_DEFAULTS)
671      set(CPACK_ADD_LDCONFIG_CALL 1)
672    endif()
673  endforeach()
674
675  if(CPACK_ADD_LDCONFIG_CALL)
676    set(CPACK_DEBIAN_GENERATE_POSTINST 1)
677    set(CPACK_DEBIAN_GENERATE_POSTRM 1)
678    foreach(f IN LISTS CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA)
679      get_filename_component(n "${f}" NAME)
680      if(n STREQUAL "postinst")
681        set(CPACK_DEBIAN_GENERATE_POSTINST 0)
682      endif()
683      if(n STREQUAL "postrm")
684        set(CPACK_DEBIAN_GENERATE_POSTRM 0)
685      endif()
686    endforeach()
687  else()
688    set(CPACK_DEBIAN_GENERATE_POSTINST 0)
689    set(CPACK_DEBIAN_GENERATE_POSTRM 0)
690  endif()
691
692  cpack_deb_variable_fallback("CPACK_DEBIAN_FILE_NAME"
693    "CPACK_DEBIAN_${_local_component_name}_FILE_NAME"
694    "CPACK_DEBIAN_FILE_NAME")
695  if(CPACK_DEBIAN_FILE_NAME)
696    if(CPACK_DEBIAN_FILE_NAME STREQUAL "DEB-DEFAULT")
697      # Patch package file name to be in correct debian format:
698      # <foo>_<VersionNumber>-<DebianRevisionNumber>_<DebianArchitecture>.deb
699      set(CPACK_OUTPUT_FILE_NAME
700        "${CPACK_DEBIAN_PACKAGE_NAME}_${CPACK_DEBIAN_PACKAGE_VERSION}_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}.deb")
701      set(CPACK_DBGSYM_OUTPUT_FILE_NAME
702        "${CPACK_DEBIAN_PACKAGE_NAME}-dbgsym_${CPACK_DEBIAN_PACKAGE_VERSION}_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}.ddeb")
703    else()
704      if(NOT CPACK_DEBIAN_FILE_NAME MATCHES ".*\\.(deb|ipk)")
705        message(FATAL_ERROR "'${CPACK_DEBIAN_FILE_NAME}' is not a valid DEB package file name as it must end with '.deb' or '.ipk'!")
706      endif()
707
708      set(CPACK_OUTPUT_FILE_NAME "${CPACK_DEBIAN_FILE_NAME}")
709      string(REGEX REPLACE "\.deb$" "-dbgsym.ddeb" CPACK_DBGSYM_OUTPUT_FILE_NAME "${CPACK_DEBIAN_FILE_NAME}")
710    endif()
711
712    set(CPACK_TEMPORARY_PACKAGE_FILE_NAME "${CPACK_TOPLEVEL_DIRECTORY}/${CPACK_OUTPUT_FILE_NAME}")
713    get_filename_component(BINARY_DIR "${CPACK_OUTPUT_FILE_PATH}" DIRECTORY)
714    set(CPACK_OUTPUT_FILE_PATH "${BINARY_DIR}/${CPACK_OUTPUT_FILE_NAME}")
715  else()
716    # back compatibility - don't change the name
717    string(REGEX REPLACE "\.deb$" "-dbgsym.ddeb" CPACK_DBGSYM_OUTPUT_FILE_NAME "${CPACK_OUTPUT_FILE_NAME}")
718  endif()
719
720  # Print out some debug information if we were asked for that
721  if(CPACK_DEBIAN_PACKAGE_DEBUG)
722     message("CPackDeb:Debug: CPACK_TOPLEVEL_DIRECTORY          = '${CPACK_TOPLEVEL_DIRECTORY}'")
723     message("CPackDeb:Debug: CPACK_TOPLEVEL_TAG                = '${CPACK_TOPLEVEL_TAG}'")
724     message("CPackDeb:Debug: CPACK_TEMPORARY_DIRECTORY         = '${CPACK_TEMPORARY_DIRECTORY}'")
725     message("CPackDeb:Debug: CPACK_OUTPUT_FILE_NAME            = '${CPACK_OUTPUT_FILE_NAME}'")
726     message("CPackDeb:Debug: CPACK_OUTPUT_FILE_PATH            = '${CPACK_OUTPUT_FILE_PATH}'")
727     message("CPackDeb:Debug: CPACK_PACKAGE_FILE_NAME           = '${CPACK_PACKAGE_FILE_NAME}'")
728     message("CPackDeb:Debug: CPACK_PACKAGE_INSTALL_DIRECTORY   = '${CPACK_PACKAGE_INSTALL_DIRECTORY}'")
729     message("CPackDeb:Debug: CPACK_TEMPORARY_PACKAGE_FILE_NAME = '${CPACK_TEMPORARY_PACKAGE_FILE_NAME}'")
730     message("CPackDeb:Debug: CPACK_DEBIAN_PACKAGE_CONTROL_STRICT_PERMISSION = '${CPACK_DEBIAN_PACKAGE_CONTROL_STRICT_PERMISSION}'")
731     message("CPackDeb:Debug: CPACK_DEBIAN_PACKAGE_SOURCE       = '${CPACK_DEBIAN_PACKAGE_SOURCE}'")
732  endif()
733
734  # For debian source packages:
735  # debian/control
736  # http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-sourcecontrolfiles
737
738  # .dsc
739  # http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-debiansourcecontrolfiles
740
741  # Builds-Depends:
742  #if(NOT CPACK_DEBIAN_PACKAGE_BUILDS_DEPENDS)
743  #  set(CPACK_DEBIAN_PACKAGE_BUILDS_DEPENDS
744  #    "debhelper (>> 5.0.0), libncurses5-dev, tcl8.4"
745  #  )
746  #endif()
747
748  # move variables to parent scope so that they may be used to create debian package
749  set(GEN_CPACK_OUTPUT_FILE_NAME "${CPACK_OUTPUT_FILE_NAME}" PARENT_SCOPE)
750  set(GEN_CPACK_TEMPORARY_PACKAGE_FILE_NAME "${CPACK_TEMPORARY_PACKAGE_FILE_NAME}" PARENT_SCOPE)
751  set(GEN_CPACK_DEBIAN_PACKAGE_NAME "${CPACK_DEBIAN_PACKAGE_NAME}" PARENT_SCOPE)
752  set(GEN_CPACK_DEBIAN_PACKAGE_VERSION "${CPACK_DEBIAN_PACKAGE_VERSION}" PARENT_SCOPE)
753  set(GEN_CPACK_DEBIAN_PACKAGE_SECTION "${CPACK_DEBIAN_PACKAGE_SECTION}" PARENT_SCOPE)
754  set(GEN_CPACK_DEBIAN_PACKAGE_PRIORITY "${CPACK_DEBIAN_PACKAGE_PRIORITY}" PARENT_SCOPE)
755  set(GEN_CPACK_DEBIAN_PACKAGE_ARCHITECTURE "${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}" PARENT_SCOPE)
756  set(GEN_CPACK_DEBIAN_PACKAGE_MAINTAINER "${CPACK_DEBIAN_PACKAGE_MAINTAINER}" PARENT_SCOPE)
757  set(GEN_CPACK_DEBIAN_PACKAGE_DESCRIPTION "${CPACK_DEBIAN_PACKAGE_DESCRIPTION}" PARENT_SCOPE)
758  set(GEN_CPACK_DEBIAN_PACKAGE_DEPENDS "${CPACK_DEBIAN_PACKAGE_DEPENDS}" PARENT_SCOPE)
759  set(GEN_CPACK_DEBIAN_ARCHIVE_TYPE "${CPACK_DEBIAN_ARCHIVE_TYPE}" PARENT_SCOPE)
760  set(GEN_CPACK_DEBIAN_COMPRESSION_TYPE "${CPACK_DEBIAN_COMPRESSION_TYPE}" PARENT_SCOPE)
761  set(GEN_CPACK_DEBIAN_PACKAGE_RECOMMENDS "${CPACK_DEBIAN_PACKAGE_RECOMMENDS}" PARENT_SCOPE)
762  set(GEN_CPACK_DEBIAN_PACKAGE_SUGGESTS "${CPACK_DEBIAN_PACKAGE_SUGGESTS}" PARENT_SCOPE)
763  set(GEN_CPACK_DEBIAN_PACKAGE_HOMEPAGE "${CPACK_DEBIAN_PACKAGE_HOMEPAGE}" PARENT_SCOPE)
764  set(GEN_CPACK_DEBIAN_PACKAGE_PREDEPENDS "${CPACK_DEBIAN_PACKAGE_PREDEPENDS}" PARENT_SCOPE)
765  set(GEN_CPACK_DEBIAN_PACKAGE_ENHANCES "${CPACK_DEBIAN_PACKAGE_ENHANCES}" PARENT_SCOPE)
766  set(GEN_CPACK_DEBIAN_PACKAGE_BREAKS "${CPACK_DEBIAN_PACKAGE_BREAKS}" PARENT_SCOPE)
767  set(GEN_CPACK_DEBIAN_PACKAGE_CONFLICTS "${CPACK_DEBIAN_PACKAGE_CONFLICTS}" PARENT_SCOPE)
768  set(GEN_CPACK_DEBIAN_PACKAGE_PROVIDES "${CPACK_DEBIAN_PACKAGE_PROVIDES}" PARENT_SCOPE)
769  set(GEN_CPACK_DEBIAN_PACKAGE_REPLACES "${CPACK_DEBIAN_PACKAGE_REPLACES}" PARENT_SCOPE)
770  set(GEN_CPACK_DEBIAN_PACKAGE_SHLIBS "${CPACK_DEBIAN_PACKAGE_SHLIBS_LIST}" PARENT_SCOPE)
771  set(GEN_CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA "${CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA}" PARENT_SCOPE)
772  set(GEN_CPACK_DEBIAN_PACKAGE_CONTROL_STRICT_PERMISSION
773      "${CPACK_DEBIAN_PACKAGE_CONTROL_STRICT_PERMISSION}" PARENT_SCOPE)
774  set(GEN_CPACK_DEBIAN_PACKAGE_SOURCE
775     "${CPACK_DEBIAN_PACKAGE_SOURCE}" PARENT_SCOPE)
776  set(GEN_CPACK_DEBIAN_GENERATE_POSTINST "${CPACK_DEBIAN_GENERATE_POSTINST}" PARENT_SCOPE)
777  set(GEN_CPACK_DEBIAN_GENERATE_POSTRM "${CPACK_DEBIAN_GENERATE_POSTRM}" PARENT_SCOPE)
778  set(GEN_WDIR "${WDIR}" PARENT_SCOPE)
779
780  set(GEN_CPACK_DEBIAN_DEBUGINFO_PACKAGE "${CPACK_DEBIAN_DEBUGINFO_PACKAGE}" PARENT_SCOPE)
781  if(BUILD_IDS)
782    set(GEN_DBGSYMDIR "${DBGSYMDIR}" PARENT_SCOPE)
783    set(GEN_CPACK_DBGSYM_OUTPUT_FILE_NAME "${CPACK_DBGSYM_OUTPUT_FILE_NAME}" PARENT_SCOPE)
784    list(JOIN BUILD_IDS " " BUILD_IDS)
785    set(GEN_BUILD_IDS "${BUILD_IDS}" PARENT_SCOPE)
786  else()
787    unset(GEN_DBGSYMDIR PARENT_SCOPE)
788    unset(GEN_CPACK_DBGSYM_OUTPUT_FILE_NAME PARENT_SCOPE)
789    unset(GEN_BUILD_IDS PARENT_SCOPE)
790  endif()
791endfunction()
792
793cpack_deb_prepare_package_vars()
794
795cmake_policy(POP)
796