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source: code/branches/usability/cmake/tools/TargetUtilities.cmake @ 9372

Last change on this file since 9372 was 8003, checked in by rgrieder, 14 years ago

Fixed ORXONOX_MODULES variable (you don't see it anymore in the CMake GUI now).

  • Property svn:eol-style set to native
File size: 13.2 KB
RevLine 
[3116]1 #
2 #             ORXONOX - the hottest 3D action shooter ever to exist
3 #                             > www.orxonox.net <
4 #
5 #        This program is free software; you can redistribute it and/or
6 #         modify it under the terms of the GNU General Public License
7 #        as published by the Free Software Foundation; either version 2
8 #            of the License, or (at your option) any later version.
9 #
10 #       This program is distributed in the hope that it will be useful,
11 #        but WITHOUT ANY WARRANTY; without even the implied warranty of
12 #        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 #                 GNU General Public License for more details.
14 #
15 #   You should have received a copy of the GNU General Public License along
16 #      with this program; if not, write to the Free Software Foundation,
17 #     Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
18 #
19 #
20 #  Author:
21 #    Reto Grieder
22 #  Description:
23 #    Adds a library or an executable like ADD_LIBRARY/ADD_EXECUTABLE, but
24 #    accepts a lot more input information. Simply supply the keywords
25 #    described below in any order you wish.
[5693]26 #    The output is then stored in "_arg_ARGNAME" where ARGNAME is the the
27 #    name of the switch or list.
[3116]28 #
29 #    Switches: (when given --> TRUE, FALSE otherwise)
30 #      FIND_HEADER_FILES: Searches the current directory for all header files
31 #                         and adds them to the target.
32 #      EXCLUDE_FROM_ALL:  Inherited from ADD_LIBRARY/ADD_EXECUTABLE
33 #      ORXONOX_EXTERNAL:  Specify this for third party libraries
34 #      NO_DLL_INTERFACE:  Link statically with MSVC
35 #      NO_SOURCE_GROUPS:  Don't create msvc source groups
[7143]36 #      MODULE:            For dynamic module libraries (libraries only)
37 #      WIN32:             Inherited from ADD_EXECUTABLE (executables only)
[3117]38 #      PCH_NO_DEFAULT:    Do not make precompiled header files default if
39 #                         specified with PCH_FILE
[5693]40 #      NO_INSTALL:        Do not install the target at all
[7123]41 #      NO_VERSION:        Prevents adding any version to a target
[5693]42 #
[3116]43 #    Lists:
44 #      LINK_LIBRARIES:    Redirects to TARGET_LINK_LIBRARIES
45 #      VERSION:           Set version to the binary
46 #      SOURCE_FILES:      Source files for the target
47 #      DEFINE_SYMBOL:     Sets the DEFINE_SYMBOL target property
48 #      TOLUA_FILES:       Files with tolua interface
[3117]49 #      PCH_FILE:          Precompiled header file
50 #      PCH_EXCLUDE:       Source files to be excluded from PCH support
[5693]51 #      OUTPUT_NAME:       If you want a different name than the target name
[3116]52 #  Note:
53 #    This function also installs the target!
54 #  Prerequisistes:
55 #    ORXONOX_DEFAULT_LINK, ORXONOX_CONFIG_FILES
56 #  Parameters:
57 #    _target_name, ARGN for the macro arguments
58 #
59
[5695]60INCLUDE(CMakeDependentOption)
[3116]61INCLUDE(CapitaliseName)
62INCLUDE(GenerateToluaBindings)
63INCLUDE(ParseMacroArguments)
64INCLUDE(SourceFileUtilities)
[3117]65IF(PCH_COMPILER_SUPPORT)
66  INCLUDE(PrecompiledHeaderFiles)
67ENDIF()
[3116]68
[5929]69MACRO(ORXONOX_ADD_LIBRARY _target_name)
[7143]70  TU_ADD_TARGET(${_target_name} LIBRARY "MODULE" ${ARGN})
[5929]71ENDMACRO(ORXONOX_ADD_LIBRARY)
[3116]72
[5929]73MACRO(ORXONOX_ADD_EXECUTABLE _target_name)
[3116]74  TU_ADD_TARGET(${_target_name} EXECUTABLE "WIN32" ${ARGN})
[5929]75ENDMACRO(ORXONOX_ADD_EXECUTABLE)
[3116]76
77
[5929]78MACRO(TU_ADD_TARGET _target_name _target_type _additional_switches)
[3116]79  CAPITALISE_NAME(${_target_name} _target_name_capitalised)
[7132]80  STRING(TOUPPER "${_target_name}" _target_name_upper)
[3116]81
82  # Specify all possible options (either switch or with add. arguments)
83  SET(_switches   FIND_HEADER_FILES  EXCLUDE_FROM_ALL  ORXONOX_EXTERNAL
[7143]84                  NO_DLL_INTERFACE   NO_SOURCE_GROUPS  PCH_NO_DEFAULT 
85                  NO_INSTALL         NO_VERSION        ${_additional_switches})
[7415]86  SET(_list_names LINK_LIBRARIES     VERSION           SOURCE_FILES
87                  DEFINE_SYMBOL      TOLUA_FILES       PCH_FILE
88                  PCH_EXCLUDE        OUTPUT_NAME)
89
[3116]90  PARSE_MACRO_ARGUMENTS("${_switches}" "${_list_names}" ${ARGN})
91
[7818]92  # Process source files with support for compilations
93  # Note: All file paths are relative to the root source directory, even the
94  #       name of the compilation file.
95  SET(_${_target_name}_source_files)
96  SET(_get_compilation_file FALSE)
97  SET(_add_to_compilation FALSE)
[5929]98  FOREACH(_file ${_arg_SOURCE_FILES})
[7818]99    IF(_file STREQUAL "COMPILATION_BEGIN")
100      # Next file is the name of the compilation
101      SET(_get_compilation_file TRUE)
102    ELSEIF(_file STREQUAL "COMPILATION_END")
103      IF(NOT _compilation_file)
104        MESSAGE(FATAL_ERROR "No name provided for source file compilation")
105      ENDIF()
106      IF(NOT _compilation_include_string)
107        MESSAGE(STATUS "Warning: Empty source file compilation!")
108      ENDIF()
109      IF(NOT DISABLE_COMPILATIONS)
110        IF(EXISTS ${_compilation_file})
111          FILE(READ ${_compilation_file} _include_string_file)
112        ENDIF()
113        IF(NOT _compilation_include_string STREQUAL "${_include_string_file}")
114          FILE(WRITE ${_compilation_file} "${_compilation_include_string}")
115        ENDIF()
116        LIST(APPEND _${_target_name}_source_files ${_compilation_file})
117      ENDIF()
118      SET(_add_to_compilation FALSE)
119    ELSEIF(_get_compilation_file)
120      SET(_compilation_file ${CMAKE_BINARY_DIR}/${_file})
121      SET(_get_compilation_file FALSE)
122      SET(_add_to_compilation TRUE)
123      SET(_compilation_include_string)
[5929]124    ELSE()
[7818]125      # Default, add source file
126
127      # Prepare relative paths
128      IF(NOT _file MATCHES "^(.\\:|\\/)")
129        # Path can be relative to the current source directory if the file was
130        # not added with the source file macros. Otherwise there is a "./" at
131        # the beginning of each file and the filename is relative
132        # to the CMAKE_SOURCE_DIR
133        STRING(REGEX REPLACE "^\\.\\/(.+)$" "\\1" _temp ${_file})
134        IF(NOT ${_temp} STREQUAL ${_file})
135          SET(_file ${CMAKE_SOURCE_DIR}/${_temp})
136        ELSE()
137          SET(_file ${CMAKE_CURRENT_SOURCE_DIR}/${_file})
138        ENDIF()
139      ENDIF()
140
[5929]141      LIST(APPEND _${_target_name}_source_files ${_file})
[7818]142
143      # Handle compilations
144      IF(_add_to_compilation AND NOT DISABLE_COMPILATIONS)
145        IF(_file MATCHES "\\.(c|cc|cpp|cxx)$")
146          SET(_compilation_include_string "${_compilation_include_string}#include \"${_file}\"\n")
147        ENDIF()
148        # Don't compile these files, even if they are source files
149        SET_SOURCE_FILES_PROPERTIES(${_file} PROPERTIES HEADER_FILE_ONLY TRUE)
150      ENDIF()
[5929]151    ENDIF()
152  ENDFOREACH(_file)
153
154  # Assemble all header files of the library
[3116]155  IF(_arg_FIND_HEADER_FILES)
[5929]156    GET_ALL_HEADER_FILES(_${_target_name}_header_files)
[3116]157  ENDIF()
158
[7415]159  # Combine source and header files
160  SET(_${_target_name}_files
161    ${_${_target_name}_header_files}
162    ${_${_target_name}_source_files}
163  )
[3116]164  # Remove potential duplicates
165  LIST(REMOVE_DUPLICATES _${_target_name}_files)
166
167  # TOLUA_FILES
168  IF(_arg_TOLUA_FILES)
169    GENERATE_TOLUA_BINDINGS(${_target_name_capitalised} _${_target_name}_files
170                            INPUTFILES ${_arg_TOLUA_FILES})
171  ENDIF()
172
[3117]173  # First part (pre target) of precompiled header files
[5695]174  IF(PCH_COMPILER_SUPPORT AND _arg_PCH_FILE)
[3117]175    # Provide convenient option to control PCH
176    IF(_arg_PCH_NO_DEFAULT)
177      SET(PCH_DEFAULT FALSE)
178    ELSE()
179      SET(PCH_DEFAULT TRUE)
180    ENDIF()
[5695]181    CMAKE_DEPENDENT_OPTION(PCH_ENABLE_${_target_name_upper}
182      "Enable using precompiled header files for library ${_target_name}." ${PCH_DEFAULT} PCH_ENABLE OFF)
[3117]183
184    IF(PCH_ENABLE_${_target_name_upper})
185      PRECOMPILED_HEADER_FILES_PRE_TARGET(${_target_name} ${_arg_PCH_FILE} _${_target_name}_files EXCLUDE ${_arg_PCH_EXCLUDE})
186    ENDIF()
187  ENDIF()
188
[7415]189  # Generate the source groups
190  IF(MSVC AND NOT _arg_NO_SOURCE_GROUPS)
191    GENERATE_SOURCE_GROUPS(${_${_target_name}_files})
192
193    IF(NOT _arg_ORXONOX_EXTERNAL)
194      # Move the prereqs.h file to the config section
195      IF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${_target_name_capitalised}Prereqs.h)
196        SOURCE_GROUP("Config" FILES ${_target_name_capitalised}Prereqs.h)
197      ENDIF()
198      # Add config files to the config section
199      LIST(APPEND _${_target_name}_files ${ORXONOX_CONFIG_FILES})
200      SOURCE_GROUP("Config" FILES ${ORXONOX_CONFIG_FILES})
201    ENDIF()
[7416]202  ENDIF()
[7415]203
[7143]204  # Set link mode (SHARED/STATIC)
[3116]205  IF(MSVC AND _arg_NO_DLL_INTERFACE)
[7143]206    # Certain libraries don't have dllexport/dllimport and can't be linked shared with MSVC
207    SET(_link_mode STATIC)
208  ELSEIF(_arg_ORXONOX_EXTERNAL)
209    # Externals can be linked shared or statically
210    SET(_link_mode ${ORXONOX_EXTERNAL_LINK_MODE})
211  ELSE()
212    # All our own libraries are linked dynamically because of static symbols
213    SET(_link_mode SHARED)
[3116]214  ENDIF()
215
[5929]216  # No warnings needed from third party libraries
217  IF(_arg_ORXONOX_EXTERNAL)
218    REMOVE_COMPILER_FLAGS("-W3 -W4" MSVC)
219    ADD_COMPILER_FLAGS("-w")
220  ENDIF()
221
[5901]222  # Don't compile header files
223  FOREACH(_file ${_${_target_name}_files})
[7818]224    IF(NOT _file MATCHES "\\.(c|cc|cpp|cxx)$")
[5901]225      SET_SOURCE_FILES_PROPERTIES(${_file} PROPERTIES HEADER_FILE_ONLY TRUE)
226    ENDIF()
227  ENDFOREACH(_file)
228
[5963]229
230
[3116]231  # Add the library/executable
232  IF("${_target_type}" STREQUAL "LIBRARY")
[7143]233    ADD_LIBRARY(${_target_name} ${_link_mode}
[3116]234                ${_arg_EXCLUDE_FROM_ALL} ${_${_target_name}_files})
235  ELSE()
236    ADD_EXECUTABLE(${_target_name} ${_arg_WIN32} ${_arg_EXCLUDE_FROM_ALL}
237                   ${_${_target_name}_files})
238  ENDIF()
239
[5963]240
241
[5929]242  # Change library prefix to "lib"
243  IF(MSVC AND ${_target_type} STREQUAL "LIBRARY")
244    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES
245      PREFIX "lib"
246    )
247  ENDIF()
248
[5963]249  # MSVC hack to exclude external library sources from the intellisense database
250  # (IntelliSense stops working when adding "-Zm1000" as compile flag. "/Zm1000"
251  # would not work because of the slash)
252  IF(_arg_ORXONOX_EXTERNAL AND MSVC)
[7137]253    GET_TARGET_PROPERTY(_compile_flags ${_target_name} COMPILE_FLAGS)
254    IF(NOT _compile_flags)
255      SET(_compile_flags)
256    ENDIF()
257    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES COMPILE_FLAGS "${_compile_flags} -Zm1000")
[5963]258  ENDIF()
259
[7143]260  # Configure modules
[5693]261  IF (_arg_MODULE)
262    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES
263      RUNTIME_OUTPUT_DIRECTORY ${CMAKE_MODULE_OUTPUT_DIRECTORY} # Windows
264      LIBRARY_OUTPUT_DIRECTORY ${CMAKE_MODULE_OUTPUT_DIRECTORY} # Unix
265    )
266    ADD_MODULE(${_target_name})
[7401]267    # Ensure that the main program depends on the module
[8003]268    SET(ORXONOX_MODULES ${ORXONOX_MODULES} ${_target_name} CACHE INTERNAL "")
[5693]269  ENDIF()
270
[7818]271  # Static library flags are not globally available
272  IF(ORXONOX_STATIC_LINKER_FLAGS)
273    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES STATIC_LIBRARY_FLAGS ${ORXONOX_STATIC_LINKER_FLAGS})
274  ENDIF()
275
[3116]276  # LINK_LIBRARIES
277  IF(_arg_LINK_LIBRARIES)
278    TARGET_LINK_LIBRARIES(${_target_name} ${_arg_LINK_LIBRARIES})
279  ENDIF()
280
281  # DEFINE_SYMBOL
[7143]282  IF(_arg_DEFINE_SYMBOL)
283    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES DEFINE_SYMBOL ${_arg_DEFINE_SYMBOL})
284  ELSEIF(NOT _arg_ORXONOX_EXTERNAL)
285    # Automatically add the macro definitions for our own libraries
286    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES DEFINE_SYMBOL "${_target_name_upper}_SHARED_BUILD")
[3116]287  ENDIF()
288
289  # VERSION
290  IF(_arg_VERSION)
291    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES VERSION ${_arg_VERSION})
[7131]292  ELSEIF(NOT _arg_ORXONOX_EXTERNAL AND NOT _arg_NO_VERSION AND NOT ${_target_type} STREQUAL "EXECUTABLE")
[3116]293    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES VERSION ${ORXONOX_VERSION})
294  ENDIF()
295
[5693]296  # OUTPUT_NAME
297  IF(_arg_OUTPUT_NAME)
298    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES OUTPUT_NAME  ${_arg_OUTPUT_NAME})
299  ENDIF()
300
[3117]301  # Second part of precompiled header files
302  IF(PCH_COMPILER_SUPPORT AND PCH_ENABLE_${_target_name_upper} AND _arg_PCH_FILE)
303    PRECOMPILED_HEADER_FILES_POST_TARGET(${_target_name} ${_arg_PCH_FILE})
304  ENDIF()
305
[7143]306  # Install all targets except for static ones (executables also have SHARED in _link_mode)
[7170]307  IF(${_link_mode} STREQUAL "SHARED" AND NOT _arg_NO_INSTALL)
[5693]308    IF(_arg_MODULE)
309      INSTALL(TARGETS ${_target_name}
[5695]310        RUNTIME DESTINATION ${MODULE_INSTALL_DIRECTORY}
311        LIBRARY DESTINATION ${MODULE_INSTALL_DIRECTORY}
[5693]312      )
313    ELSE()
314      INSTALL(TARGETS ${_target_name}
[5695]315        RUNTIME DESTINATION ${RUNTIME_INSTALL_DIRECTORY}
316        LIBRARY DESTINATION ${LIBRARY_INSTALL_DIRECTORY}
[5693]317      )
318    ENDIF()
[3116]319  ENDIF()
320
[5929]321ENDMACRO(TU_ADD_TARGET)
[5693]322
323
[5695]324# Creates a helper file with name <name_of_the_library>${ORXONOX_MODULE_EXTENSION}
[5693]325# This helps finding dynamically loadable modules at runtime
326
327FUNCTION(ADD_MODULE _target)
328  # We use the properties to get the name because the librarys name may differ from
329  # the target name (for example orxonox <-> liborxonox)
330
331  GET_TARGET_PROPERTY(_target_loc ${_target} LOCATION)
332  GET_FILENAME_COMPONENT(_target_name ${_target_loc} NAME_WE)
333
334  IF(CMAKE_CONFIGURATION_TYPES)
335    FOREACH(_config ${CMAKE_CONFIGURATION_TYPES})
336      SET(_module_filename ${CMAKE_MODULE_OUTPUT_DIRECTORY}/${_config}/${_target_name}${ORXONOX_MODULE_EXTENSION})
337
338      FILE(WRITE ${_module_filename})
339
340      INSTALL(
341        FILES ${_module_filename}
[5695]342        DESTINATION ${MODULE_INSTALL_DIRECTORY}
[5693]343        CONFIGURATIONS ${_config}
344      )
345    ENDFOREACH()
346  ELSE()
347    SET(_module_filename ${CMAKE_MODULE_OUTPUT_DIRECTORY}/${_target_name}${ORXONOX_MODULE_EXTENSION})
348
349    FILE(WRITE ${_module_filename})
350
351    INSTALL(
352      FILES ${_module_filename}
[5695]353      DESTINATION ${MODULE_INSTALL_DIRECTORY}
[5693]354    )
355  ENDIF()
356ENDFUNCTION(ADD_MODULE)
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