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source: code/branches/kicklib/cmake/tools/TargetUtilities.cmake @ 8076

Last change on this file since 8076 was 8071, checked in by rgrieder, 14 years ago

Merged ois_update branch (before it was renamed to mac_osx) into kicklib branch.

  • Property svn:eol-style set to native
File size: 14.0 KB
Line 
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.
26 #    The output is then stored in "_arg_ARGNAME" where ARGNAME is the the
27 #    name of the switch or list.
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
36 #      MODULE:            For dynamic module libraries (libraries only)
37 #      WIN32:             Inherited from ADD_EXECUTABLE (executables only)
38 #      PCH_NO_DEFAULT:    Do not make precompiled header files default if
39 #                         specified with PCH_FILE
40 #      NO_INSTALL:        Do not install the target at all
41 #      NO_VERSION:        Prevents adding any version to a target
42 #
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
49 #      PCH_FILE:          Precompiled header file
50 #      PCH_EXCLUDE:       Source files to be excluded from PCH support
51 #      OUTPUT_NAME:       If you want a different name than the target name
52 #  Note:
53 #    This function also installs the target!
54 #  Prerequisistes:
55 #    ORXONOX_DEFAULT_LINK, ORXONOX_CONFIG_FILES, ORXONOX_CONFIG_FILES_GENERATED
56 #  Parameters:
57 #    _target_name, ARGN for the macro arguments
58 #
59
60INCLUDE(CMakeDependentOption)
61INCLUDE(CapitaliseName)
62INCLUDE(GenerateToluaBindings)
63INCLUDE(ParseMacroArguments)
64INCLUDE(SourceFileUtilities)
65IF(PCH_COMPILER_SUPPORT)
66  INCLUDE(PrecompiledHeaderFiles)
67ENDIF()
68
69MACRO(ORXONOX_ADD_LIBRARY _target_name)
70  TU_ADD_TARGET(${_target_name} LIBRARY "MODULE" ${ARGN})
71ENDMACRO(ORXONOX_ADD_LIBRARY)
72
73MACRO(ORXONOX_ADD_EXECUTABLE _target_name)
74  TU_ADD_TARGET(${_target_name} EXECUTABLE "WIN32" ${ARGN})
75ENDMACRO(ORXONOX_ADD_EXECUTABLE)
76
77
78MACRO(TU_ADD_TARGET _target_name _target_type _additional_switches)
79  CAPITALISE_NAME(${_target_name} _target_name_capitalised)
80  STRING(TOUPPER "${_target_name}" _target_name_upper)
81
82  # Specify all possible options (either switch or with add. arguments)
83  SET(_switches   FIND_HEADER_FILES  EXCLUDE_FROM_ALL  ORXONOX_EXTERNAL
84                  NO_DLL_INTERFACE   NO_SOURCE_GROUPS  PCH_NO_DEFAULT 
85                  NO_INSTALL         NO_VERSION        ${_additional_switches})
86  SET(_list_names LINK_LIBRARIES     VERSION           SOURCE_FILES
87                  DEFINE_SYMBOL      TOLUA_FILES       PCH_FILE
88                  PCH_EXCLUDE        OUTPUT_NAME)
89
90  PARSE_MACRO_ARGUMENTS("${_switches}" "${_list_names}" ${ARGN})
91
92  # Process source files with support for compilations
93  # Note: All file paths are relative to the root source directory, even the
94  #       name of the compilation file.
95  SET(_${_target_name}_source_files)
96  SET(_get_compilation_file FALSE)
97  SET(_add_to_compilation FALSE)
98  FOREACH(_file ${_arg_SOURCE_FILES})
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)
124    ELSE()
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
141      LIST(APPEND _${_target_name}_source_files ${_file})
142
143      # Handle compilations
144      IF(_add_to_compilation AND NOT DISABLE_COMPILATIONS)
145        IF(_file MATCHES "\\.(c|cc|cpp|cxx)$")
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(${_file} PROPERTIES HEADER_FILE_ONLY TRUE)
150      ENDIF()
151    ENDIF()
152  ENDFOREACH(_file)
153
154  # Assemble all header files of the library
155  IF(_arg_FIND_HEADER_FILES)
156    GET_ALL_HEADER_FILES(_${_target_name}_header_files)
157  ENDIF()
158
159  # Combine source and header files
160  SET(_${_target_name}_files
161    ${_${_target_name}_header_files}
162    ${_${_target_name}_source_files}
163  )
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    # Workaround for XCode: The folder where the bind files are written to has
172    # to be present beforehand.
173    IF(CMAKE_CONFIGURATION_TYPES)
174      FOREACH(_dir ${CMAKE_CONFIGURATION_TYPES})
175        FILE(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${_dir})
176      ENDFOREACH(_dir)
177    ENDIF()
178  ENDIF()
179
180  # First part (pre target) of precompiled header files
181  IF(PCH_COMPILER_SUPPORT AND _arg_PCH_FILE)
182    # Provide convenient option to control PCH
183    IF(_arg_PCH_NO_DEFAULT)
184      SET(PCH_DEFAULT FALSE)
185    ELSE()
186      SET(PCH_DEFAULT TRUE)
187    ENDIF()
188    CMAKE_DEPENDENT_OPTION(PCH_ENABLE_${_target_name_upper}
189      "Enable using precompiled header files for library ${_target_name}." ${PCH_DEFAULT} PCH_ENABLE OFF)
190
191    IF(PCH_ENABLE_${_target_name_upper})
192      PRECOMPILED_HEADER_FILES_PRE_TARGET(${_target_name} ${_arg_PCH_FILE} _${_target_name}_files EXCLUDE ${_arg_PCH_EXCLUDE})
193    ENDIF()
194  ENDIF()
195
196  # Generate the source groups
197  IF(MSVC AND NOT _arg_NO_SOURCE_GROUPS)
198    GENERATE_SOURCE_GROUPS(${_${_target_name}_files})
199
200    IF(NOT _arg_ORXONOX_EXTERNAL)
201      # Move the ...Prereqs.h and the PCH files to the 'Config' section
202      IF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${_target_name_capitalised}Prereqs.h)
203        SOURCE_GROUP("Config" FILES ${_target_name_capitalised}Prereqs.h)
204      ENDIF()
205      IF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${_arg_PCH_FILE})
206        SOURCE_GROUP("Config" FILES ${CMAKE_CURRENT_SOURCE_DIR}/${_arg_PCH_FILE})
207      ENDIF()
208      # Also include all config files
209      LIST(APPEND _${_target_name}_files ${ORXONOX_CONFIG_FILES} ${ORXONOX_CONFIG_FILES_GENERATED})
210      # Add unprocessed config files to the 'Config' section
211      SOURCE_GROUP("Config" FILES ${ORXONOX_CONFIG_FILES})
212      # Add generated config files to the 'Generated' section
213      SOURCE_GROUP("Generated" FILES ${ORXONOX_CONFIG_FILES_GENERATED})
214    ENDIF()
215  ENDIF()
216
217  # Set link mode (SHARED/STATIC)
218  IF(MSVC AND _arg_NO_DLL_INTERFACE)
219    # Certain libraries don't have dllexport/dllimport and can't be linked shared with MSVC
220    SET(_link_mode STATIC)
221  ELSEIF(_arg_ORXONOX_EXTERNAL)
222    # Externals can be linked shared or statically
223    SET(_link_mode ${ORXONOX_EXTERNAL_LINK_MODE})
224  ELSE()
225    # All our own libraries are linked dynamically because of static symbols
226    SET(_link_mode SHARED)
227  ENDIF()
228
229  # No warnings needed from third party libraries
230  IF(_arg_ORXONOX_EXTERNAL)
231    REMOVE_COMPILER_FLAGS("-W3 -W4" MSVC)
232    ADD_COMPILER_FLAGS("-w" NOT MSVC)
233    ADD_COMPILER_FLAGS("-W0" MSVC)
234  ENDIF()
235
236  # Don't compile header files
237  FOREACH(_file ${_${_target_name}_files})
238    IF(NOT _file MATCHES "\\.(c|cc|cpp|cxx)$")
239      SET_SOURCE_FILES_PROPERTIES(${_file} PROPERTIES HEADER_FILE_ONLY TRUE)
240    ENDIF()
241  ENDFOREACH(_file)
242
243
244
245  # Add the library/executable
246  IF("${_target_type}" STREQUAL "LIBRARY")
247    ADD_LIBRARY(${_target_name} ${_link_mode}
248                ${_arg_EXCLUDE_FROM_ALL} ${_${_target_name}_files})
249  ELSE()
250    ADD_EXECUTABLE(${_target_name} ${_arg_WIN32} ${_arg_EXCLUDE_FROM_ALL}
251                   ${_${_target_name}_files})
252  ENDIF()
253
254
255
256  # Change library prefix to "lib"
257  IF(MSVC AND ${_target_type} STREQUAL "LIBRARY")
258    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES
259      PREFIX "lib"
260    )
261  ENDIF()
262
263  # MSVC hack to exclude external library sources from the intellisense database
264  # (IntelliSense stops working when adding "-Zm1000" as compile flag. "/Zm1000"
265  # would not work because of the slash)
266  IF(_arg_ORXONOX_EXTERNAL AND MSVC)
267    GET_TARGET_PROPERTY(_compile_flags ${_target_name} COMPILE_FLAGS)
268    IF(NOT _compile_flags)
269      SET(_compile_flags)
270    ENDIF()
271    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES COMPILE_FLAGS "${_compile_flags} -Zm1000")
272  ENDIF()
273
274  # Configure modules
275  IF (_arg_MODULE)
276    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES
277      RUNTIME_OUTPUT_DIRECTORY ${CMAKE_MODULE_OUTPUT_DIRECTORY} # Windows
278      LIBRARY_OUTPUT_DIRECTORY ${CMAKE_MODULE_OUTPUT_DIRECTORY} # Unix
279    )
280    ADD_MODULE(${_target_name})
281    # Ensure that the main program depends on the module
282    SET(ORXONOX_MODULES ${ORXONOX_MODULES} ${_target_name} CACHE STRING "" FORCE)
283  ENDIF()
284
285  # Static library flags are not globally available
286  IF(ORXONOX_STATIC_LINKER_FLAGS)
287    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES STATIC_LIBRARY_FLAGS ${ORXONOX_STATIC_LINKER_FLAGS})
288  ENDIF()
289
290  # LINK_LIBRARIES
291  IF(_arg_LINK_LIBRARIES)
292    TARGET_LINK_LIBRARIES(${_target_name} ${_arg_LINK_LIBRARIES})
293  ENDIF()
294
295  # DEFINE_SYMBOL
296  IF(_arg_DEFINE_SYMBOL)
297    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES DEFINE_SYMBOL ${_arg_DEFINE_SYMBOL})
298  ELSEIF(NOT _arg_ORXONOX_EXTERNAL)
299    # Automatically add the macro definitions for our own libraries
300    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES DEFINE_SYMBOL "${_target_name_upper}_SHARED_BUILD")
301  ENDIF()
302
303  # VERSION
304  IF(_arg_VERSION)
305    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES VERSION ${_arg_VERSION})
306  ELSEIF(NOT _arg_ORXONOX_EXTERNAL AND NOT _arg_NO_VERSION AND NOT ${_target_type} STREQUAL "EXECUTABLE")
307    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES VERSION ${ORXONOX_VERSION})
308  ENDIF()
309
310  # OUTPUT_NAME
311  IF(_arg_OUTPUT_NAME)
312    SET_TARGET_PROPERTIES(${_target_name} PROPERTIES OUTPUT_NAME  ${_arg_OUTPUT_NAME})
313  ENDIF()
314
315  # Second part of precompiled header files
316  IF(PCH_COMPILER_SUPPORT AND PCH_ENABLE_${_target_name_upper} AND _arg_PCH_FILE)
317    PRECOMPILED_HEADER_FILES_POST_TARGET(${_target_name} ${_arg_PCH_FILE})
318  ENDIF()
319
320  # Install all targets except for static ones (executables also have SHARED in _link_mode)
321  IF(${_link_mode} STREQUAL "SHARED" AND NOT _arg_NO_INSTALL)
322    IF(_arg_MODULE)
323      INSTALL(TARGETS ${_target_name}
324        RUNTIME DESTINATION ${MODULE_INSTALL_DIRECTORY}
325        LIBRARY DESTINATION ${MODULE_INSTALL_DIRECTORY}
326      )
327    ELSE()
328      INSTALL(TARGETS ${_target_name}
329        RUNTIME DESTINATION ${RUNTIME_INSTALL_DIRECTORY}
330        LIBRARY DESTINATION ${LIBRARY_INSTALL_DIRECTORY}
331      )
332    ENDIF()
333  ENDIF()
334
335ENDMACRO(TU_ADD_TARGET)
336
337
338# Creates a helper file with name <name_of_the_library>${ORXONOX_MODULE_EXTENSION}
339# This helps finding dynamically loadable modules at runtime
340
341FUNCTION(ADD_MODULE _target)
342  # We use the properties to get the name because the librarys name may differ from
343  # the target name (for example orxonox <-> liborxonox)
344
345  GET_TARGET_PROPERTY(_target_loc ${_target} LOCATION)
346  GET_FILENAME_COMPONENT(_target_name ${_target_loc} NAME_WE)
347
348  IF(CMAKE_CONFIGURATION_TYPES)
349    FOREACH(_config ${CMAKE_CONFIGURATION_TYPES})
350      SET(_module_filename ${CMAKE_MODULE_OUTPUT_DIRECTORY}/${_config}/${_target_name}${ORXONOX_MODULE_EXTENSION})
351
352      FILE(WRITE ${_module_filename})
353
354      INSTALL(
355        FILES ${_module_filename}
356        DESTINATION ${MODULE_INSTALL_DIRECTORY}
357        CONFIGURATIONS ${_config}
358      )
359    ENDFOREACH()
360  ELSE()
361    SET(_module_filename ${CMAKE_MODULE_OUTPUT_DIRECTORY}/${_target_name}${ORXONOX_MODULE_EXTENSION})
362
363    FILE(WRITE ${_module_filename})
364
365    INSTALL(
366      FILES ${_module_filename}
367      DESTINATION ${MODULE_INSTALL_DIRECTORY}
368    )
369  ENDIF()
370ENDFUNCTION(ADD_MODULE)
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