Workbench: World based studio lighting
[blender.git] / CMakeLists.txt
1 # ***** BEGIN GPL LICENSE BLOCK *****
2 #
3 # This program is free software; you can redistribute it and/or
4 # modify it under the terms of the GNU General Public License
5 # as published by the Free Software Foundation; either version 2
6 # of the License, or (at your option) any later version.
7 #
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 # GNU General Public License for more details.
12 #
13 # You should have received a copy of the GNU General Public License
14 # along with this program; if not, write to the Free Software Foundation,
15 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16 #
17 # The Original Code is Copyright (C) 2006, Blender Foundation
18 # All rights reserved.
19 #
20 # The Original Code is: all of this file.
21 #
22 # Contributor(s): Jacques Beaurain.
23 #
24 # ***** END GPL LICENSE BLOCK *****
25
26 #-----------------------------------------------------------------------------
27 # We don't allow in-source builds. This causes no end of troubles because
28 # all out-of-source builds will use the CMakeCache.txt file there and even
29 # build the libs and objects in it.
30
31 if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
32         if(NOT DEFINED WITH_IN_SOURCE_BUILD)
33                 message(FATAL_ERROR
34                         "CMake generation for blender is not allowed within the source directory!"
35                         "\n Remove \"${CMAKE_SOURCE_DIR}/CMakeCache.txt\" and try again from another folder, e.g.:"
36                         "\n "
37                         "\n rm CMakeCache.txt"
38                         "\n cd .."
39                         "\n mkdir cmake-make"
40                         "\n cd cmake-make"
41                         "\n cmake ../blender"
42                         "\n "
43                         "\n Alternately define WITH_IN_SOURCE_BUILD to force this option (not recommended!)"
44                 )
45         endif()
46 endif()
47
48 cmake_minimum_required(VERSION 3.5)
49
50 if(NOT EXECUTABLE_OUTPUT_PATH)
51         set(FIRST_RUN TRUE)
52 else()
53         set(FIRST_RUN FALSE)
54 endif()
55
56 # this starts out unset
57 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/build_files/cmake/Modules")
58 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/build_files/cmake/platform")
59
60 # avoid having empty buildtype
61 if(NOT DEFINED CMAKE_BUILD_TYPE_INIT)
62         set(CMAKE_BUILD_TYPE_INIT "Release")
63 endif()
64
65 # quiet output for Makefiles, 'make -s' helps too
66 # set_property(GLOBAL PROPERTY RULE_MESSAGES OFF)
67
68 # global compile definitions since add_definitions() adds for all.
69
70 if(NOT (${CMAKE_VERSION} VERSION_LESS 3.0))
71         set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS
72                 $<$<CONFIG:Debug>:DEBUG;_DEBUG>
73                 $<$<CONFIG:Release>:NDEBUG>
74                 $<$<CONFIG:MinSizeRel>:NDEBUG>
75                 $<$<CONFIG:RelWithDebInfo>:NDEBUG>
76         )
77 else()
78         # keep until CMake-3.0 is min requirement
79         set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_DEBUG           DEBUG _DEBUG)
80         set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELEASE         NDEBUG)
81         set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_MINSIZEREL      NDEBUG)
82         set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELWITHDEBINFO  NDEBUG)
83 endif()
84
85 #-----------------------------------------------------------------------------
86 # Set policy
87
88 # see "cmake --help-policy CMP0003"
89 # So library linking is more sane
90 cmake_policy(SET CMP0003 NEW)
91
92 # So BUILDINFO and BLENDERPATH strings are automatically quoted
93 cmake_policy(SET CMP0005 NEW)
94
95 # So syntax problems are errors
96 cmake_policy(SET CMP0010 NEW)
97
98 # Input directories must have CMakeLists.txt
99 cmake_policy(SET CMP0014 NEW)
100
101 #-----------------------------------------------------------------------------
102 # Load some macros.
103 include(build_files/cmake/macros.cmake)
104
105
106 #-----------------------------------------------------------------------------
107 # Initialize project.
108
109 blender_project_hack_pre()
110
111 project(Blender)
112
113 blender_project_hack_post()
114
115 enable_testing()
116
117 #-----------------------------------------------------------------------------
118 # Redirect output files
119
120 set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin CACHE INTERNAL "" FORCE)
121 set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib CACHE INTERNAL "" FORCE)
122 set(TESTS_OUTPUT_DIR ${EXECUTABLE_OUTPUT_PATH}/tests CACHE INTERNAL "" FORCE)
123
124 #-----------------------------------------------------------------------------
125 # Set default config options
126
127 get_blender_version()
128
129
130 #-----------------------------------------------------------------------------
131 # Platform Specific Defaults
132
133 # list of var-names
134 set(_init_vars)
135
136 # initialize to ON
137 macro(option_defaults_init)
138         foreach(_var ${ARGV})
139                 set(${_var} ON)
140                 list(APPEND _init_vars "${_var}")
141         endforeach()
142         unset(_var)
143 endmacro()
144
145 # remove from namespace
146 macro(option_defaults_clear)
147         foreach(_var ${_init_vars})
148                 unset(${_var})
149         endforeach()
150         unset(_var)
151         unset(_init_vars)
152 endmacro()
153
154
155 # values to initialize WITH_****
156 option_defaults_init(
157         _init_BUILDINFO
158         _init_CODEC_FFMPEG
159         _init_CYCLES_OSL
160         _init_CYCLES_OPENSUBDIV
161         _init_IMAGE_OPENEXR
162         _init_INPUT_NDOF
163         _init_JACK
164         _init_OPENCOLLADA
165         _init_OPENCOLORIO
166         _init_SDL
167         _init_FFTW3
168         _init_OPENSUBDIV
169 )
170
171 # customize...
172 if(UNIX AND NOT APPLE)
173         # some of these libraries are problematic on Linux
174         # disable less important dependencies by default
175         set(_init_CODEC_FFMPEG                   OFF)
176         set(_init_CYCLES_OSL                     OFF)
177         set(_init_CYCLES_OPENSUBDIV              OFF)
178         set(_init_IMAGE_OPENEXR                  OFF)
179         set(_init_JACK                           OFF)
180         set(_init_OPENCOLLADA                    OFF)
181         set(_init_OPENCOLORIO                    OFF)
182         set(_init_SDL                            OFF)
183         set(_init_FFTW3                          OFF)
184         set(_init_OPENSUBDIV                     OFF)
185 elseif(WIN32)
186         set(_init_JACK                           OFF)
187 elseif(APPLE)
188         set(_init_JACK                           OFF)
189         set(_init_OPENSUBDIV                     OFF)
190 endif()
191
192
193 #-----------------------------------------------------------------------------
194 # Options
195
196 # First platform specific non-cached vars
197 if(UNIX AND NOT (APPLE OR HAIKU))
198         set(WITH_X11 ON)
199 endif()
200
201 # Blender internal features
202 option(WITH_BLENDER "Build blender (disable to build only the blender player)" ON)
203 mark_as_advanced(WITH_BLENDER)
204
205 option(WITH_INTERNATIONAL "Enable I18N (International fonts and text)" ON)
206
207 option(WITH_PYTHON        "Enable Embedded Python API  (only disable for development)" ON)
208 option(WITH_PYTHON_SECURITY "Disables execution of scripts within blend files by default" ON) 
209 mark_as_advanced(WITH_PYTHON)  # dont want people disabling this unless they really know what they are doing.
210 mark_as_advanced(WITH_PYTHON_SECURITY)  # some distributions see this as a security issue, rather than have them patch it, make a build option.
211
212 option(WITH_PYTHON_SAFETY "Enable internal API error checking to track invalid data to prevent crash on access (at the expense of some effeciency, only enable for development)." OFF)
213 mark_as_advanced(WITH_PYTHON_SAFETY)
214 option(WITH_PYTHON_MODULE "Enable building as a python module which runs without a user interface, like running regular blender in background mode (experimental, only enable for development), installs to PYTHON_SITE_PACKAGES (or CMAKE_INSTALL_PREFIX if WITH_INSTALL_PORTABLE is enabled)." OFF)
215 if(APPLE)
216         option(WITH_PYTHON_FRAMEWORK "Enable building using the Python available in the framework (OSX only)" OFF)
217 endif()
218
219 option(WITH_BUILDINFO     "Include extra build details (only disable for development & faster builds)" ${_init_BUILDINFO})
220 if(${CMAKE_VERSION} VERSION_LESS 2.8.8)
221         # add_library OBJECT arg unsupported
222         set(WITH_BUILDINFO OFF)
223 endif()
224 set(BUILDINFO_OVERRIDE_DATE "" CACHE STRING "Use instead of the current date for reproducable builds (empty string disables this option)")
225 set(BUILDINFO_OVERRIDE_TIME "" CACHE STRING "Use instead of the current time for reproducable builds (empty string disables this option)")
226 set(CPACK_OVERRIDE_PACKAGENAME "" CACHE STRING "Use instead of the standard packagename (empty string disables this option)")
227 mark_as_advanced(CPACK_OVERRIDE_PACKAGENAME)
228 mark_as_advanced(BUILDINFO_OVERRIDE_DATE)
229 mark_as_advanced(BUILDINFO_OVERRIDE_TIME)
230
231 option(WITH_IK_ITASC      "Enable ITASC IK solver (only disable for development & for incompatible C++ compilers)" ON)
232 option(WITH_IK_SOLVER     "Enable Legacy IK solver (only disable for development)" ON)
233 option(WITH_FFTW3         "Enable FFTW3 support (Used for smoke, ocean sim, and audio effects)" ${_init_FFTW3})
234 option(WITH_BULLET        "Enable Bullet (Physics Engine)" ON)
235 option(WITH_SYSTEM_BULLET "Use the systems bullet library (currently unsupported due to missing features in upstream!)" )
236 mark_as_advanced(WITH_SYSTEM_BULLET)
237 option(WITH_OPENCOLORIO   "Enable OpenColorIO color management" ${_init_OPENCOLORIO})
238
239 option(WITH_CLAY_ENGINE    "Enable Clay engine" ON)
240
241 # Compositor
242 option(WITH_COMPOSITOR         "Enable the tile based nodal compositor" ON)
243
244 option(WITH_OPENSUBDIV    "Enable OpenSubdiv for surface subdivision" _init_OPENSUBDIV)
245
246 option(WITH_OPENVDB       "Enable features relying on OpenVDB" OFF)
247 option(WITH_OPENVDB_BLOSC "Enable blosc compression for OpenVDB, only enable if OpenVDB was built with blosc support" OFF)
248 option(WITH_OPENVDB_3_ABI_COMPATIBLE "Assume OpenVDB library has been compiled with version 3 ABI compatibility" OFF)
249 mark_as_advanced(WITH_OPENVDB_3_ABI_COMPATIBLE)
250
251 # GHOST Windowing Library Options
252 option(WITH_GHOST_DEBUG   "Enable debugging output for the GHOST library" OFF)
253 mark_as_advanced(WITH_GHOST_DEBUG)
254
255 option(WITH_GHOST_SDL    "Enable building Blender against SDL for windowing rather than the native APIs" OFF)
256 mark_as_advanced(WITH_GHOST_SDL)
257
258 if(WITH_X11)
259         option(WITH_GHOST_XDND    "Enable drag'n'drop support on X11 using XDND protocol" ON)
260 endif()
261
262 # Misc...
263 option(WITH_HEADLESS      "Build without graphical support (renderfarm, server mode only)" OFF)
264 mark_as_advanced(WITH_HEADLESS)
265
266 option(WITH_AUDASPACE    "Build with blenders audio library (only disable if you know what you're doing!)" ON)
267 option(WITH_SYSTEM_AUDASPACE "Build with external audaspace library installed on the system (only enable if you know what you're doing!)" OFF)
268 mark_as_advanced(WITH_AUDASPACE)
269 mark_as_advanced(WITH_SYSTEM_AUDASPACE)
270
271 if(NOT WITH_AUDASPACE)
272         set(WITH_SYSTEM_AUDASPACE OFF)
273 endif()
274
275 option(WITH_OPENMP        "Enable OpenMP (has to be supported by the compiler)" ON)
276 if(UNIX AND NOT APPLE)
277         option(WITH_OPENMP_STATIC "Link OpenMP statically (only used by the release environment)" OFF)
278         mark_as_advanced(WITH_OPENMP_STATIC)
279 endif()
280
281 if(WITH_X11)
282         option(WITH_X11_XINPUT    "Enable X11 Xinput (tablet support and unicode input)"  ON)
283         option(WITH_X11_XF86VMODE "Enable X11 video mode switching"                       ON)
284         option(WITH_X11_XFIXES    "Enable X11 XWayland cursor warping workaround"         ON)
285         option(WITH_X11_ALPHA     "Enable X11 transparent background"                     ON)
286 endif()
287
288 if(UNIX AND NOT APPLE)
289         option(WITH_SYSTEM_GLEW "Use GLEW OpenGL wrapper library provided by the operating system" OFF)
290         option(WITH_SYSTEM_GLES "Use OpenGL ES library provided by the operating system"           ON)
291 else()
292         # not an option for other OS's
293         set(WITH_SYSTEM_GLEW OFF)
294         set(WITH_SYSTEM_GLES OFF)
295 endif()
296
297
298 # (unix defaults to System OpenJPEG On)
299 option(WITH_SYSTEM_OPENJPEG "Use the operating systems OpenJPEG library" OFF)
300
301 if(UNIX AND NOT APPLE)
302         option(WITH_SYSTEM_EIGEN3 "Use the systems Eigen3 library" OFF)
303 endif()
304
305
306 # Modifiers
307 option(WITH_MOD_FLUID           "Enable Elbeem Modifier (Fluid Simulation)" ON)
308 option(WITH_MOD_SMOKE           "Enable Smoke Modifier (Smoke Simulation)" ON)
309 option(WITH_MOD_REMESH          "Enable Remesh Modifier" ON)
310 # option(WITH_MOD_CLOTH_ELTOPO    "Enable Experimental cloth solver" OFF)  # this is now only available in a branch
311 # mark_as_advanced(WITH_MOD_CLOTH_ELTOPO)
312 option(WITH_MOD_OCEANSIM        "Enable Ocean Modifier" OFF)
313
314 # Image format support
315 option(WITH_OPENIMAGEIO         "Enable OpenImageIO Support (http://www.openimageio.org)" ON)
316 option(WITH_IMAGE_OPENEXR       "Enable OpenEXR Support (http://www.openexr.com)" ${_init_IMAGE_OPENEXR})
317 option(WITH_IMAGE_OPENJPEG      "Enable OpenJpeg Support (http://www.openjpeg.org)" ON)
318 option(WITH_IMAGE_TIFF          "Enable LibTIFF Support" ON)
319 option(WITH_IMAGE_DDS           "Enable DDS Image Support" ON)
320 option(WITH_IMAGE_CINEON        "Enable CINEON and DPX Image Support" ON)
321 option(WITH_IMAGE_HDR           "Enable HDR Image Support" ON)
322
323 # Audio/Video format support
324 option(WITH_CODEC_AVI           "Enable Blenders own AVI file support (raw/jpeg)" ON)
325 option(WITH_CODEC_FFMPEG        "Enable FFMPeg Support (http://ffmpeg.org)" ${_init_CODEC_FFMPEG})
326 option(WITH_CODEC_SNDFILE       "Enable libsndfile Support (http://www.mega-nerd.com/libsndfile)" OFF)
327
328 # Alembic support
329 option(WITH_ALEMBIC             "Enable Alembic Support" OFF)
330 option(WITH_ALEMBIC_HDF5        "Enable Legacy Alembic Support (not officially supported)" OFF)
331
332 # 3D format support
333 # Disable opencollada when we don't have precompiled libs
334 option(WITH_OPENCOLLADA   "Enable OpenCollada Support (http://www.opencollada.org)" ${_init_OPENCOLLADA})
335
336 # Sound output
337 option(WITH_SDL           "Enable SDL for sound and joystick support" ${_init_SDL})
338 option(WITH_OPENAL        "Enable OpenAL Support (http://www.openal.org)" ON)
339 option(WITH_JACK          "Enable JACK Support (http://www.jackaudio.org)" ${_init_JACK})
340 if(UNIX AND NOT APPLE)
341         option(WITH_JACK_DYNLOAD  "Enable runtime dynamic JACK libraries loading" OFF)
342 endif()
343 if(UNIX AND NOT APPLE)
344         option(WITH_SDL_DYNLOAD  "Enable runtime dynamic SDL libraries loading" OFF)
345 endif()
346
347 # Compression
348 option(WITH_LZO           "Enable fast LZO compression (used for pointcache)" ON)
349 option(WITH_LZMA          "Enable best LZMA compression, (used for pointcache)" ON)
350 if(UNIX AND NOT APPLE)
351         option(WITH_SYSTEM_LZO    "Use the system LZO library" OFF)
352 endif()
353
354 # Camera/motion tracking
355 option(WITH_LIBMV         "Enable Libmv structure from motion library" ON)
356 option(WITH_LIBMV_SCHUR_SPECIALIZATIONS "Enable fixed-size schur specializations." OFF)
357 mark_as_advanced(WITH_LIBMV_SCHUR_SPECIALIZATIONS)
358
359 # Logging/unbit test libraries.
360 option(WITH_SYSTEM_GFLAGS   "Use system-wide Gflags instead of a bundled one" OFF)
361 option(WITH_SYSTEM_GLOG     "Use system-wide Glog instead of a bundled one" OFF)
362 mark_as_advanced(WITH_SYSTEM_GFLAGS)
363 mark_as_advanced(WITH_SYSTEM_GLOG)
364
365 # Freestyle
366 option(WITH_FREESTYLE     "Enable Freestyle (advanced edges rendering)" ON)
367
368 # Misc
369 if(WIN32)
370         option(WITH_INPUT_IME "Enable Input Method Editor (IME) for complex Asian character input" ON)
371 endif()
372 option(WITH_INPUT_NDOF "Enable NDOF input devices (SpaceNavigator and friends)" ${_init_INPUT_NDOF})
373 option(WITH_RAYOPTIMIZATION     "Enable use of SIMD (SSE) optimizations for the raytracer" ON)
374 if(UNIX AND NOT APPLE)
375         option(WITH_INSTALL_PORTABLE "Install redistributeable runtime, otherwise install into CMAKE_INSTALL_PREFIX" ON)
376         option(WITH_STATIC_LIBS "Try to link with static libraries, as much as possible, to make blender more portable across distributions" OFF)
377         if(WITH_STATIC_LIBS)
378                 option(WITH_BOOST_ICU "Boost uses ICU library (required for linking with static Boost built with libicu)." OFF)
379                 mark_as_advanced(WITH_BOOST_ICU)
380         endif()
381 endif()
382
383 option(WITH_PYTHON_INSTALL       "Copy system python into the blender install folder" ON)
384 if(WITH_PYTHON_INSTALL OR (WITH_AUDASPACE AND NOT WITH_SYSTEM_AUDASPACE))
385         set(PYTHON_NUMPY_PATH            "" CACHE PATH "Path to python site-packages or dist-packages containing 'numpy' module")
386         mark_as_advanced(PYTHON_NUMPY_PATH)
387         set(PYTHON_NUMPY_INCLUDE_DIRS ${PYTHON_NUMPY_PATH}/numpy/core/include CACHE PATH "Path to the include directory of the numpy module")
388         mark_as_advanced(PYTHON_NUMPY_INCLUDE_DIRS)
389 endif()
390 if(WITH_PYTHON_INSTALL)
391         option(WITH_PYTHON_INSTALL_NUMPY "Copy system numpy into the blender install folder"  ON)
392
393         if(UNIX AND NOT APPLE)
394                 option(WITH_PYTHON_INSTALL_REQUESTS "Copy system requests into the blender install folder" ON)
395                 set(PYTHON_REQUESTS_PATH "" CACHE PATH "Path to python site-packages or dist-packages containing 'requests' module")
396                 mark_as_advanced(PYTHON_REQUESTS_PATH)
397         endif()
398 endif()
399
400 option(WITH_CPU_SSE              "Enable SIMD instruction if they're detected on the host machine" ON)
401 mark_as_advanced(WITH_CPU_SSE)
402
403 # Cycles
404 option(WITH_CYCLES                                      "Enable Cycles Render Engine" ON)
405 option(WITH_CYCLES_STANDALONE           "Build Cycles standalone application" OFF)
406 option(WITH_CYCLES_STANDALONE_GUI       "Build Cycles standalone with GUI" OFF)
407 option(WITH_CYCLES_OSL                          "Build Cycles with OSL support" ${_init_CYCLES_OSL})
408 option(WITH_CYCLES_OPENSUBDIV           "Build Cycles with OpenSubdiv support" ${_init_CYCLES_OPENSUBDIV})
409 option(WITH_CYCLES_CUDA_BINARIES        "Build Cycles CUDA binaries" OFF)
410 option(WITH_CYCLES_CUBIN_COMPILER       "Build cubins with nvrtc based compiler instead of nvcc" OFF)
411 set(CYCLES_CUDA_BINARIES_ARCH sm_30 sm_35 sm_37 sm_50 sm_52 sm_60 sm_61 CACHE STRING "CUDA architectures to build binaries for")
412 mark_as_advanced(CYCLES_CUDA_BINARIES_ARCH)
413 unset(PLATFORM_DEFAULT)
414 option(WITH_CYCLES_LOGGING      "Build Cycles with logging support" ON)
415 option(WITH_CYCLES_DEBUG        "Build Cycles with extra debug capabilities" OFF)
416 option(WITH_CYCLES_NATIVE_ONLY  "Build Cycles with native kernel only (which fits current CPU, use for development only)" OFF)
417 mark_as_advanced(WITH_CYCLES_CUBIN_COMPILER)
418 mark_as_advanced(WITH_CYCLES_LOGGING)
419 mark_as_advanced(WITH_CYCLES_DEBUG)
420 mark_as_advanced(WITH_CYCLES_NATIVE_ONLY)
421
422 option(WITH_CYCLES_DEVICE_CUDA                          "Enable Cycles CUDA compute support" ON)
423 option(WITH_CYCLES_DEVICE_OPENCL                        "Enable Cycles OpenCL compute support" ON)
424 option(WITH_CYCLES_NETWORK                              "Enable Cycles compute over network support (EXPERIMENTAL and unfinished)" OFF)
425 mark_as_advanced(WITH_CYCLES_DEVICE_CUDA)
426 mark_as_advanced(WITH_CYCLES_DEVICE_OPENCL)
427 mark_as_advanced(WITH_CYCLES_NETWORK)
428
429 option(WITH_CUDA_DYNLOAD "Dynamically load CUDA libraries at runtime" ON)
430 mark_as_advanced(WITH_CUDA_DYNLOAD)
431
432 # LLVM
433 option(WITH_LLVM                                        "Use LLVM" OFF)
434 if(APPLE)
435         option(LLVM_STATIC                                      "Link with LLVM static libraries" ON) # we prefer static llvm build on Apple, dyn build possible though
436 else()
437         option(LLVM_STATIC                                      "Link with LLVM static libraries" OFF)
438 endif()
439 mark_as_advanced(LLVM_STATIC)
440
441 # disable for now, but plan to support on all platforms eventually
442 option(WITH_MEM_JEMALLOC   "Enable malloc replacement (http://www.canonware.com/jemalloc)" ON)
443 mark_as_advanced(WITH_MEM_JEMALLOC)
444
445 # currently only used for BLI_mempool
446 option(WITH_MEM_VALGRIND "Enable extended valgrind support for better reporting" OFF)
447 mark_as_advanced(WITH_MEM_VALGRIND)
448
449 # Debug
450 option(WITH_CXX_GUARDEDALLOC "Enable GuardedAlloc for C++ memory allocation tracking (only enable for development)" OFF)
451 mark_as_advanced(WITH_CXX_GUARDEDALLOC)
452
453 option(WITH_ASSERT_ABORT "Call abort() when raising an assertion through BLI_assert()" OFF)
454 mark_as_advanced(WITH_ASSERT_ABORT)
455
456 option(WITH_BOOST                                       "Enable features depending on boost" ON)
457
458 # Unit testsing
459 option(WITH_GTESTS "Enable GTest unit testing" OFF)
460 option(WITH_OPENGL_RENDER_TESTS "Enable OpenGL render related unit testing (Experimental)" OFF)
461 option(WITH_OPENGL_DRAW_TESTS "Enable OpenGL UI drawing related unit testing (Experimental)" OFF)
462
463
464 # Documentation
465 if(UNIX AND NOT APPLE)
466         option(WITH_DOC_MANPAGE "Create a manual page (Unix manpage)" OFF)
467 endif()
468
469
470 # OpenGL
471
472 option(WITH_GLEW_ES             "Switches to experimental copy of GLEW that has support for OpenGL ES. (temporary option for development purposes)" OFF)
473 option(WITH_GL_EGL              "Use the EGL OpenGL system library instead of the platform specific OpenGL system library (CGL, glX, or WGL)"       OFF)
474 option(WITH_GL_PROFILE_ES20     "Support using OpenGL ES 2.0. (thru either EGL or the AGL/WGL/XGL 'es20' profile)"                                  OFF)
475
476 mark_as_advanced(
477         WITH_GLEW_ES
478         WITH_GL_EGL
479         WITH_GL_PROFILE_ES20
480 )
481
482 if(WIN32)
483         option(WITH_GL_ANGLE "Link with the ANGLE library, an OpenGL ES 2.0 implementation based on Direct3D, instead of the system OpenGL library." OFF)
484         mark_as_advanced(WITH_GL_ANGLE)
485 endif()
486
487 if(WITH_GLEW_ES AND WITH_SYSTEM_GLEW)
488         message(WARNING Ignoring WITH_SYSTEM_GLEW and using WITH_GLEW_ES)
489         set(WITH_SYSTEM_GLEW OFF)
490 endif()
491
492 if(WIN32)
493         getDefaultWindowsPrefixBase(CMAKE_GENERIC_PROGRAM_FILES)
494         set(CPACK_INSTALL_PREFIX ${CMAKE_GENERIC_PROGRAM_FILES}/${})
495 endif()
496
497 # Experimental support of C11 and C++11
498 #
499 # We default options to whatever default standard in the current compiler.
500 if(APPLE)
501         set(_c11_init ON)
502         set(_cxx11_init ON)
503         set(WITH_C11 ON)
504         set(WITH_CXX11 ON)
505 elseif(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "6.0") AND (NOT WITH_CXX11))
506         set(_c11_init ON)
507 else()
508         set(_c11_init OFF)
509 endif()
510 set(_cxx11_init ON)
511
512 option(WITH_C11 "Build with C11 standard enabled, for development use only!" ${_c11_init})
513 mark_as_advanced(WITH_C11)
514 option(WITH_CXX11 "Build with C++11 standard enabled, for development use only!" ${_cxx11_init})
515 mark_as_advanced(WITH_CXX11)
516
517 # Compiler toolchain
518 if(CMAKE_COMPILER_IS_GNUCC)
519         option(WITH_LINKER_GOLD "Use ld.gold linker which is usually faster than ld.bfd" ON)
520         mark_as_advanced(WITH_LINKER_GOLD)
521 endif()
522
523 if(WIN32)
524         # Use hardcoded paths or find_package to find externals
525         option(WITH_WINDOWS_FIND_MODULES "Use find_package to locate libraries" OFF)
526         mark_as_advanced(WITH_WINDOWS_FIND_MODULES)
527
528         option(WITH_WINDOWS_CODESIGN "Use signtool to sign the final binary." OFF)
529         mark_as_advanced(WITH_WINDOWS_CODESIGN)
530
531         set(WINDOWS_CODESIGN_PFX CACHE FILEPATH  "Path to pfx file to use for codesigning.")
532         mark_as_advanced(WINDOWS_CODESIGN_PFX)
533
534         set(WINDOWS_CODESIGN_PFX_PASSWORD CACHE STRING  "password for pfx file used for codesigning.")
535         mark_as_advanced(WINDOWS_CODESIGN_PFX_PASSWORD)
536
537         option(WINDOWS_USE_VISUAL_STUDIO_FOLDERS "Organize the visual studio project according to source folders." ON)
538         mark_as_advanced(WINDOWS_USE_VISUAL_STUDIO_FOLDERS)
539 endif()
540
541 # avoid using again
542 option_defaults_clear()
543
544 # end option(...)
545
546
547
548 # By default we want to install to the directory we are compiling our executables
549 # unless specified otherwise, which we currently do not allow
550 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
551         if(WIN32)
552                 set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH}/\${BUILD_TYPE} CACHE PATH "default install path" FORCE)
553         elseif(APPLE)
554                 set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH}/\${BUILD_TYPE} CACHE PATH "default install path" FORCE)
555         else()
556                 if(WITH_INSTALL_PORTABLE)
557                         set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH} CACHE PATH "default install path" FORCE)
558                 endif()
559         endif()
560 endif()
561
562
563
564 # Apple
565
566 if(APPLE)
567         include(platform_apple_xcode)
568 endif()
569
570
571 #-----------------------------------------------------------------------------
572 # Check for conflicting/unsupported configurations
573
574 if(NOT WITH_BLENDER AND NOT WITH_CYCLES_STANDALONE)
575         message(FATAL_ERROR
576                 "At least one of WITH_BLENDER or WITH_CYCLES_STANDALONE "
577                 "must be enabled, nothing to do!"
578         )
579 endif()
580
581 if(NOT WITH_CXX11)
582         if(WITH_AUDASPACE AND NOT WITH_SYSTEM_AUDASPACE)
583                 message(FATAL_ERROR "WITH_AUDASPACE requires WITH_CXX11")
584         endif()
585 endif()
586
587 if(NOT WITH_AUDASPACE)
588         if(WITH_OPENAL)
589                 message(FATAL_ERROR "WITH_OPENAL requires WITH_AUDASPACE")
590         endif()
591         if(WITH_JACK)
592                 message(FATAL_ERROR "WITH_JACK requires WITH_AUDASPACE")
593         endif()
594 endif()
595
596 if(NOT WITH_SDL AND WITH_GHOST_SDL)
597         message(FATAL_ERROR "WITH_GHOST_SDL requires WITH_SDL")
598 endif()
599
600 # python module, needs some different options
601 if(WITH_PYTHON_MODULE AND WITH_PYTHON_INSTALL)
602         message(FATAL_ERROR "WITH_PYTHON_MODULE requires WITH_PYTHON_INSTALL to be OFF")
603 endif()
604
605
606 # may as well build python module without a UI
607 if(WITH_PYTHON_MODULE)
608         set(WITH_HEADLESS ON)
609 endif()
610
611 if(NOT WITH_PYTHON)
612         set(WITH_CYCLES OFF)
613 endif()
614
615 # enable boost for cycles, audaspace or i18n
616 # otherwise if the user disabled
617 if(NOT WITH_BOOST)
618         # Explicitly disabled. so disable all deps.
619         macro(set_and_warn
620                 _setting _val)
621                 if(${${_setting}})
622                         message(STATUS "'WITH_BOOST' is disabled: forcing 'set(${_setting} ${_val})'")
623                 endif()
624                 set(${_setting} ${_val})
625         endmacro()
626
627         set_and_warn(WITH_CYCLES         OFF)
628         set_and_warn(WITH_INTERNATIONAL  OFF)
629         set_and_warn(WITH_OPENVDB        OFF)
630         set_and_warn(WITH_OPENCOLORIO    OFF)
631 elseif(WITH_CYCLES OR WITH_OPENIMAGEIO OR WITH_INTERNATIONAL OR
632        WITH_OPENVDB OR WITH_OPENCOLORIO)
633         # Keep enabled
634 else()
635         # New dependency graph needs either Boost or C++11 for function bindings.
636         if(NOT WITH_CXX11)
637                 # Enabled but we don't need it
638                 set(WITH_BOOST OFF)
639         endif()
640 endif()
641
642 # auto enable openimageio for cycles
643 if(WITH_CYCLES)
644         set(WITH_OPENIMAGEIO ON)
645
646         # auto enable llvm for cycles_osl
647         if(WITH_CYCLES_OSL)
648                 set(WITH_LLVM ON CACHE BOOL "" FORCE)
649         endif()
650 else()
651         set(WITH_CYCLES_OSL OFF)
652 endif()
653
654 # auto enable openimageio linking dependencies
655 if(WITH_OPENIMAGEIO)
656         set(WITH_IMAGE_OPENEXR ON)
657         set(WITH_IMAGE_TIFF ON)
658 endif()
659
660 # auto enable alembic linking dependencies
661 if(WITH_ALEMBIC)
662         set(WITH_IMAGE_OPENEXR ON)
663 endif()
664
665 # don't store paths to libs for portable distribution
666 if(WITH_INSTALL_PORTABLE)
667         set(CMAKE_SKIP_BUILD_RPATH TRUE)
668 endif()
669
670 if(WITH_GHOST_SDL OR WITH_HEADLESS)
671         set(WITH_X11           OFF)
672         set(WITH_X11_XINPUT    OFF)
673         set(WITH_X11_XF86VMODE OFF)
674         set(WITH_X11_XFIXES    OFF)
675         set(WITH_X11_ALPHA     OFF)
676         set(WITH_GHOST_XDND    OFF)
677         set(WITH_INPUT_IME     OFF)
678 endif()
679
680 if(WITH_CPU_SSE)
681         TEST_SSE_SUPPORT(COMPILER_SSE_FLAG COMPILER_SSE2_FLAG)
682 else()
683         message(STATUS "SSE and SSE2 optimizations are DISABLED!")
684         set(COMPILER_SSE_FLAG)
685         set(COMPILER_SSE2_FLAG)
686 endif()
687
688 if(WITH_BUILDINFO)
689         find_package(Git)
690         if(NOT GIT_FOUND)
691                 message(WARNING "Git was not found, disabling WITH_BUILDINFO")
692                 set(WITH_BUILDINFO OFF)
693         endif()
694 endif()
695
696 TEST_SHARED_PTR_SUPPORT()
697 TEST_UNORDERED_MAP_SUPPORT()
698
699 if(WITH_AUDASPACE)
700         if(NOT WITH_SYSTEM_AUDASPACE)
701                 set(AUDASPACE_C_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/audaspace/bindings/C" "${CMAKE_BINARY_DIR}/extern/audaspace")
702                 set(AUDASPACE_PY_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/audaspace/bindings")
703         endif()
704 endif()
705
706 # Auto-enable CUDA dynload if toolkit is not found.
707 if(NOT WITH_CUDA_DYNLOAD)
708         find_package(CUDA)
709         if (NOT CUDA_FOUND)
710                 message("CUDA toolkit not found, using dynamic runtime loading of libraries instead")
711                 set(WITH_CUDA_DYNLOAD ON)
712         endif()
713 endif()
714
715 #-----------------------------------------------------------------------------
716 # Check for valid directories
717 # ... a partial checkout may cause this.
718 #
719 # note: we need to check for a known subdir in both cases.
720 #       since uninitialized git submodules will give blank dirs
721
722 if(WITH_INTERNATIONAL)
723         if(NOT EXISTS "${CMAKE_SOURCE_DIR}/release/datafiles/locale/languages")
724                 message(WARNING
725                         "Translation path '${CMAKE_SOURCE_DIR}/release/datafiles/locale' is missing, "
726                         "This is a 'git submodule', which are known not to work with bridges to other version "
727                         "control systems, disabling 'WITH_INTERNATIONAL'."
728                 )
729                 set(WITH_INTERNATIONAL OFF)
730         endif()
731 endif()
732
733 if(WITH_PYTHON)
734         # While we have this as an '#error' in 'bpy_capi_utils.h',
735         # upgrading Python tends to cause confusion for users who build.
736         # Give the error message early to make this more obvious.
737         #
738         # Do this before main 'platform_*' checks,
739         # because UNIX will search for the old Python paths which may not exist.
740         # giving errors about missing paths before this case is met.
741         if(DEFINED PYTHON_VERSION AND "${PYTHON_VERSION}" VERSION_LESS "3.6")
742                 message(FATAL_ERROR "At least Python 3.6 is required to build")
743         endif()
744
745         if(NOT EXISTS "${CMAKE_SOURCE_DIR}/release/scripts/addons/modules")
746                 message(WARNING
747                         "Addons path '${CMAKE_SOURCE_DIR}/release/scripts/addons' is missing, "
748                         "This is a 'git submodule', which are known not to work with bridges to other version "
749                         "control systems: * CONTINUING WITHOUT ADDONS *"
750                 )
751         endif()
752 endif()
753
754 #-----------------------------------------------------------------------------
755 # Initialize un-cached vars, avoid unused warning
756
757 # linux only, not cached
758 set(WITH_BINRELOC OFF)
759
760 # MACOSX only, set to avoid uninitialized
761 set(EXETYPE "")
762
763 # C/C++ flags
764 set(PLATFORM_CFLAGS)
765
766 # these are added to later on.
767 set(C_WARNINGS)
768 set(CXX_WARNINGS)
769
770 # for gcc -Wno-blah-blah
771 set(CC_REMOVE_STRICT_FLAGS)
772
773 # libraries to link the binary with passed to target_link_libraries()
774 # known as LLIBS to scons
775 set(PLATFORM_LINKLIBS "")
776
777 # Added to linker flags in setup_liblinks
778 # - CMAKE_EXE_LINKER_FLAGS
779 # - CMAKE_EXE_LINKER_FLAGS_DEBUG
780 set(PLATFORM_LINKFLAGS "")
781 set(PLATFORM_LINKFLAGS_DEBUG "")
782
783
784 #-----------------------------------------------------------------------------
785 #Platform specifics
786
787 if(WITH_X11)
788         find_package(X11 REQUIRED)
789
790         find_path(X11_XF86keysym_INCLUDE_PATH X11/XF86keysym.h ${X11_INC_SEARCH_PATH})
791         mark_as_advanced(X11_XF86keysym_INCLUDE_PATH)
792
793         list(APPEND PLATFORM_LINKLIBS ${X11_X11_LIB})
794
795         if(WITH_X11_XINPUT)
796                 if(X11_Xinput_LIB)
797                         list(APPEND PLATFORM_LINKLIBS ${X11_Xinput_LIB})
798                 else()
799                         set(WITH_X11_XINPUT OFF)
800                 endif()
801         endif()
802
803         if(WITH_X11_XF86VMODE)
804                 # XXX, why dont cmake make this available?
805                 find_library(X11_Xxf86vmode_LIB Xxf86vm   ${X11_LIB_SEARCH_PATH})
806                 mark_as_advanced(X11_Xxf86vmode_LIB)
807                 if(X11_Xxf86vmode_LIB)
808                         list(APPEND PLATFORM_LINKLIBS ${X11_Xxf86vmode_LIB})
809                 else()
810                         set(WITH_X11_XF86VMODE OFF)
811                 endif()
812         endif()
813
814         if(WITH_X11_XFIXES)
815                 if(X11_Xfixes_LIB)
816                         list(APPEND PLATFORM_LINKLIBS ${X11_Xfixes_LIB})
817                 else()
818                         set(WITH_X11_XFIXES OFF)
819                 endif()
820         endif()
821
822         if(WITH_X11_ALPHA)
823                 find_library(X11_Xrender_LIB Xrender  ${X11_LIB_SEARCH_PATH})
824                 mark_as_advanced(X11_Xrender_LIB)
825                 if(X11_Xrender_LIB)
826                         list(APPEND PLATFORM_LINKLIBS ${X11_Xrender_LIB})
827                 else()
828                         set(WITH_X11_ALPHA OFF)
829                 endif()
830         endif()
831
832 endif()
833
834
835 # ----------------------------------------------------------------------------
836 # Main Platform Checks
837 #
838 # - UNIX
839 # - WIN32
840 # - APPLE
841
842 if(UNIX AND NOT APPLE)
843         include(platform_unix)
844 elseif(WIN32)
845         include(platform_win32)
846 elseif(APPLE)
847         include(platform_apple)
848 endif()
849
850 #-----------------------------------------------------------------------------
851 # Common.
852
853 if(NOT WITH_FFTW3 AND WITH_MOD_OCEANSIM)
854         message(FATAL_ERROR "WITH_MOD_OCEANSIM requires WITH_FFTW3 to be ON")
855 endif()
856
857 if(WITH_CYCLES)
858         if(NOT WITH_OPENIMAGEIO)
859                 message(FATAL_ERROR
860                         "Cycles requires WITH_OPENIMAGEIO, the library may not have been found. "
861                         "Configure OIIO or disable WITH_CYCLES"
862                 )
863         endif()
864         if(NOT WITH_BOOST)
865                 message(FATAL_ERROR
866                         "Cycles requires WITH_BOOST, the library may not have been found. "
867                         "Configure BOOST or disable WITH_CYCLES"
868                 )
869         endif()
870
871         if(WITH_CYCLES_OSL)
872                 if(NOT WITH_LLVM)
873                         message(FATAL_ERROR
874                                 "Cycles OSL requires WITH_LLVM, the library may not have been found. "
875                                 "Configure LLVM or disable WITH_CYCLES_OSL"
876                         )
877                 endif()
878         endif()
879 endif()
880
881 if(WITH_INTERNATIONAL)
882         if(NOT WITH_BOOST)
883                 message(FATAL_ERROR
884                         "Internationalization requires WITH_BOOST, the library may not have been found. "
885                         "Configure BOOST or disable WITH_INTERNATIONAL"
886                 )
887         endif()
888 endif()
889
890 # See TEST_SSE_SUPPORT() for how this is defined.
891
892 # Do it globally, SSE2 is required for quite some time now.
893 # Doing it now allows to use SSE/SSE2 in inline headers.
894 if(SUPPORT_SSE_BUILD)
895         set(PLATFORM_CFLAGS " ${COMPILER_SSE_FLAG} ${PLATFORM_CFLAGS}")
896         add_definitions(-D__SSE__ -D__MMX__)
897 endif()
898 if(SUPPORT_SSE2_BUILD)
899         set(PLATFORM_CFLAGS " ${PLATFORM_CFLAGS} ${COMPILER_SSE2_FLAG}")
900         add_definitions(-D__SSE2__)
901         if(NOT SUPPORT_SSE_BUILD) # dont double up
902                 add_definitions(-D__MMX__)
903         endif()
904 endif()
905
906
907 # set the endian define
908 if(MSVC)
909         # for some reason this fails on msvc
910         add_definitions(-D__LITTLE_ENDIAN__)
911
912 # OSX-Note: as we do cross-compiling with specific set architecture,
913 # endianess-detection and auto-setting is counterproductive
914 # so we just set endianess according CMAKE_OSX_ARCHITECTURES
915
916 elseif(CMAKE_OSX_ARCHITECTURES MATCHES i386 OR CMAKE_OSX_ARCHITECTURES MATCHES x86_64)
917         add_definitions(-D__LITTLE_ENDIAN__)
918 elseif(CMAKE_OSX_ARCHITECTURES MATCHES ppc OR CMAKE_OSX_ARCHITECTURES MATCHES ppc64)
919         add_definitions(-D__BIG_ENDIAN__)
920
921 else()
922         include(TestBigEndian)
923         test_big_endian(_SYSTEM_BIG_ENDIAN)
924         if(_SYSTEM_BIG_ENDIAN)
925                 add_definitions(-D__BIG_ENDIAN__)
926         else()
927                 add_definitions(-D__LITTLE_ENDIAN__)
928         endif()
929         unset(_SYSTEM_BIG_ENDIAN)
930 endif()
931 if(WITH_IMAGE_OPENJPEG)
932         if(WITH_SYSTEM_OPENJPEG)
933                 # dealt with above
934                 set(OPENJPEG_DEFINES "")
935         else()
936                 set(OPENJPEG_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/libopenjpeg")
937                 set(OPENJPEG_DEFINES "-DOPJ_STATIC")
938         endif()
939         # Special handling of Windows platform where openjpeg is always static.
940         if(WIN32)
941                 set(OPENJPEG_DEFINES "-DOPJ_STATIC")
942         endif()
943 endif()
944
945 if(NOT WITH_SYSTEM_EIGEN3)
946         set(EIGEN3_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/Eigen3)
947 endif()
948
949 #-----------------------------------------------------------------------------
950 # Configure OpenGL.
951
952 find_package(OpenGL)
953 blender_include_dirs_sys("${OPENGL_INCLUDE_DIR}")
954
955 if(WITH_SYSTEM_GLES)
956         find_package_wrapper(OpenGLES)
957 endif()
958
959 if(WITH_GL_PROFILE_ES20)
960         if(WITH_SYSTEM_GLES)
961                 if(NOT OPENGLES_LIBRARY)
962                         message(FATAL_ERROR
963                                 "Unable to find OpenGL ES libraries. "
964                                 "Install them or disable WITH_SYSTEM_GLES."
965                         )
966                 endif()
967
968                 list(APPEND BLENDER_GL_LIBRARIES OPENGLES_LIBRARY)
969
970         else()
971                 set(OPENGLES_LIBRARY "" CACHE FILEPATH "OpenGL ES 2.0 library file")
972                 mark_as_advanced(OPENGLES_LIBRARY)
973
974                 list(APPEND BLENDER_GL_LIBRARIES "${OPENGLES_LIBRARY}")
975
976                 if(NOT OPENGLES_LIBRARY)
977                         message(FATAL_ERROR
978                                 "To compile WITH_GL_EGL you need to set OPENGLES_LIBRARY "
979                                 "to the file path of an OpenGL ES 2.0 library."
980                         )
981                 endif()
982
983         endif()
984
985         if(WIN32)
986                 # Setup paths to files needed to install and redistribute Windows Blender with OpenGL ES
987
988                 set(OPENGLES_DLL "" CACHE FILEPATH "OpenGL ES 2.0 redistributable DLL file")
989                 mark_as_advanced(OPENGLES_DLL)
990
991                 if(NOT OPENGLES_DLL)
992                         message(FATAL_ERROR
993                                 "To compile WITH_GL_PROFILE_ES20 you need to set OPENGLES_DLL to the file "
994                                 "path of an OpenGL ES 2.0 runtime dynamic link library (DLL)."
995                         )
996                 endif()
997
998                 if(WITH_GL_ANGLE)
999                         list(APPEND GL_DEFINITIONS -DWITH_ANGLE)
1000
1001                         set(D3DCOMPILER_DLL "" CACHE FILEPATH "Direct3D Compiler redistributable DLL file (needed by ANGLE)")
1002
1003                         get_filename_component(D3DCOMPILER_FILENAME "${D3DCOMPILER_DLL}" NAME)
1004                         list(APPEND GL_DEFINITIONS "-DD3DCOMPILER=\"\\\"${D3DCOMPILER_FILENAME}\\\"\"")
1005
1006                         mark_as_advanced(D3DCOMPILER_DLL)
1007
1008                         if(D3DCOMPILER_DLL STREQUAL "")
1009                                 message(FATAL_ERROR
1010                                         "To compile WITH_GL_ANGLE you need to set D3DCOMPILER_DLL to the file "
1011                                         "path of a copy of the DirectX redistributable DLL file: D3DCompiler_46.dll"
1012                                 )
1013                         endif()
1014
1015                 endif()
1016
1017         endif()
1018
1019 else()
1020         list(APPEND BLENDER_GL_LIBRARIES "${OPENGL_gl_LIBRARY}")
1021
1022 endif()
1023
1024 if(WITH_GL_EGL)
1025         list(APPEND GL_DEFINITIONS -DWITH_GL_EGL)
1026
1027         if(WITH_SYSTEM_GLES)
1028                 if(NOT OPENGLES_EGL_LIBRARY)
1029                         message(FATAL_ERROR
1030                                 "Unable to find OpenGL ES libraries. "
1031                                 "Install them or disable WITH_SYSTEM_GLES."
1032                         )
1033                 endif()
1034
1035                 list(APPEND BLENDER_GL_LIBRARIES OPENGLES_EGL_LIBRARY)
1036
1037         else()
1038                 set(OPENGLES_EGL_LIBRARY "" CACHE FILEPATH "EGL library file")
1039                 mark_as_advanced(OPENGLES_EGL_LIBRARY)
1040
1041                 list(APPEND BLENDER_GL_LIBRARIES "${OPENGLES_LIBRARY}" "${OPENGLES_EGL_LIBRARY}")
1042
1043                 if(NOT OPENGLES_EGL_LIBRARY)
1044                         message(FATAL_ERROR
1045                                 "To compile WITH_GL_EGL you need to set OPENGLES_EGL_LIBRARY "
1046                                 "to the file path of an EGL library."
1047                         )
1048                 endif()
1049
1050         endif()
1051
1052         if(WIN32)
1053                 # Setup paths to files needed to install and redistribute Windows Blender with OpenGL ES
1054
1055                 set(OPENGLES_EGL_DLL "" CACHE FILEPATH "EGL redistributable DLL file")
1056                 mark_as_advanced(OPENGLES_EGL_DLL)
1057
1058                 if(NOT OPENGLES_EGL_DLL)
1059                         message(FATAL_ERROR
1060                                 "To compile WITH_GL_EGL you need to set OPENGLES_EGL_DLL "
1061                                 "to the file path of an EGL runtime dynamic link library (DLL)."
1062                         )
1063                 endif()
1064
1065         endif()
1066
1067 endif()
1068
1069 if(WITH_GL_PROFILE_ES20)
1070         list(APPEND GL_DEFINITIONS -DWITH_GL_PROFILE_ES20)
1071 else()
1072         list(APPEND GL_DEFINITIONS -DWITH_GL_PROFILE_CORE)
1073 endif()
1074
1075 if(WITH_GL_EGL)
1076         list(APPEND GL_DEFINITIONS -DWITH_EGL)
1077 endif()
1078
1079 #-----------------------------------------------------------------------------
1080 # Configure OpenMP.
1081 if(WITH_OPENMP)
1082         find_package(OpenMP)
1083         if(OPENMP_FOUND)
1084                 if(NOT WITH_OPENMP_STATIC)
1085                         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
1086                         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
1087                 else()
1088                         # Typically avoid adding flags as defines but we can't
1089                         # pass OpenMP flags to the linker for static builds, meaning
1090                         # we can't add any OpenMP related flags to CFLAGS variables
1091                         # since they're passed to the linker as well.
1092                         add_definitions("${OpenMP_C_FLAGS}")
1093
1094                         find_library_static(OpenMP_LIBRARIES gomp ${CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES})
1095                 endif()
1096         else()
1097                 set(WITH_OPENMP OFF)
1098         endif()
1099
1100         mark_as_advanced(
1101                 OpenMP_C_FLAGS
1102                 OpenMP_CXX_FLAGS
1103         )
1104 endif()
1105
1106 #-----------------------------------------------------------------------------
1107 # Configure GLEW
1108
1109 if(WITH_SYSTEM_GLEW)
1110         find_package(GLEW)
1111
1112         # Note: There is an assumption here that the system GLEW is not a static library.
1113
1114         if(NOT GLEW_FOUND)
1115                 message(FATAL_ERROR "GLEW is required to build Blender. Install it or disable WITH_SYSTEM_GLEW.")
1116         endif()
1117
1118         set(BLENDER_GLEW_LIBRARIES ${GLEW_LIBRARY})
1119 else()
1120         if(WITH_GLEW_ES)
1121                 set(GLEW_INCLUDE_PATH "${CMAKE_SOURCE_DIR}/extern/glew-es/include")
1122
1123                 list(APPEND GL_DEFINITIONS -DGLEW_STATIC -DWITH_GLEW_ES)
1124
1125                 # These definitions remove APIs from glew.h, making GLEW smaller, and catching unguarded API usage
1126                 if(WITH_GL_PROFILE_ES20)
1127                         list(APPEND GL_DEFINITIONS -DGLEW_ES_ONLY)
1128                 else()
1129                         # No ES functions are needed
1130                         list(APPEND GL_DEFINITIONS -DGLEW_NO_ES)
1131                 endif()
1132
1133                 if(WITH_GL_PROFILE_ES20)
1134                         if(WITH_GL_EGL)
1135                                 list(APPEND GL_DEFINITIONS -DGLEW_USE_LIB_ES20)
1136                         endif()
1137
1138                         # ToDo: This is an experiment to eliminate ES 1 symbols,
1139                         # GLEW doesn't really properly provide this level of control
1140                         # (for example, without modification it eliminates too many symbols)
1141                         # so there are lots of modifications to GLEW to make this work,
1142                         # and no attempt to make it work beyond Blender at this point.
1143                         list(APPEND GL_DEFINITIONS -DGL_ES_VERSION_1_0=0 -DGL_ES_VERSION_CL_1_1=0 -DGL_ES_VERSION_CM_1_1=0)
1144                 endif()
1145
1146                 if(WITH_GL_EGL)
1147                         list(APPEND GL_DEFINITIONS -DGLEW_INC_EGL)
1148                 endif()
1149
1150                 set(BLENDER_GLEW_LIBRARIES extern_glew_es bf_intern_glew_mx)
1151
1152         else()
1153                 set(GLEW_INCLUDE_PATH "${CMAKE_SOURCE_DIR}/extern/glew/include")
1154
1155                 list(APPEND GL_DEFINITIONS -DGLEW_STATIC)
1156
1157                 # This won't affect the non-experimental glew library, 
1158                 # but is used for conditional compilation elsewhere.
1159                 list(APPEND GL_DEFINITIONS -DGLEW_NO_ES)
1160
1161                 set(BLENDER_GLEW_LIBRARIES extern_glew)
1162
1163         endif()
1164
1165 endif()
1166
1167 list(APPEND GL_DEFINITIONS -DGLEW_NO_GLU)
1168
1169 #-----------------------------------------------------------------------------
1170 # Configure Bullet
1171
1172 if(WITH_BULLET AND WITH_SYSTEM_BULLET)
1173         find_package(Bullet)
1174         if(NOT BULLET_FOUND)
1175                 set(WITH_BULLET OFF)
1176         endif()
1177 else()
1178         set(BULLET_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/bullet2/src")
1179         # set(BULLET_LIBRARIES "")
1180 endif()
1181
1182 #-----------------------------------------------------------------------------
1183 # Configure Python.
1184
1185 if(WITH_PYTHON_MODULE)
1186         add_definitions(-DPy_ENABLE_SHARED)
1187 endif()
1188
1189 #-----------------------------------------------------------------------------
1190 # Configure GLog/GFlags
1191
1192 if(WITH_LIBMV OR WITH_GTESTS OR (WITH_CYCLES AND WITH_CYCLES_LOGGING))
1193         if(WITH_SYSTEM_GFLAGS)
1194                 find_package(Gflags)
1195                 if(NOT GFLAGS_FOUND)
1196                         message(FATAL_ERROR "System wide Gflags is requested but was not found")
1197                 endif()
1198                 # FindGflags does not define this, and we are not even sure what to use here.
1199                 set(GFLAGS_DEFINES)
1200         else()
1201                 set(GFLAGS_DEFINES
1202                         -DGFLAGS_DLL_DEFINE_FLAG=
1203                         -DGFLAGS_DLL_DECLARE_FLAG=
1204                         -DGFLAGS_DLL_DECL=
1205                 )
1206                 set(GFLAGS_NAMESPACE "gflags")
1207                 set(GFLAGS_LIBRARIES extern_gflags)
1208                 set(GFLAGS_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/extern/gflags/src")
1209         endif()
1210
1211         if(WITH_SYSTEM_GLOG)
1212                 find_package(Glog)
1213                 if(NOT GLOG_FOUND)
1214                         message(FATAL_ERROR "System wide Glog is requested but was not found")
1215                 endif()
1216                 # FindGlog does not define this, and we are not even sure what to use here.
1217                 set(GLOG_DEFINES)
1218         else()
1219                 set(GLOG_DEFINES
1220                         -DGOOGLE_GLOG_DLL_DECL=
1221                 )
1222                 set(GLOG_LIBRARIES extern_glog)
1223                 if(WIN32)
1224                         set(GLOG_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/glog/src/windows)
1225                 else()
1226                         set(GLOG_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/glog/include)
1227                 endif()
1228         endif()
1229 endif()
1230
1231 #-----------------------------------------------------------------------------
1232 # Configure Ceres
1233
1234 if(WITH_LIBMV)
1235         set(CERES_DEFINES)
1236
1237         if(WITH_CXX11)
1238                 # nothing to be done
1239         elseif(SHARED_PTR_FOUND)
1240                 if(SHARED_PTR_TR1_MEMORY_HEADER)
1241                         list(APPEND CERES_DEFINES -DCERES_TR1_MEMORY_HEADER)
1242                 endif()
1243                 if(SHARED_PTR_TR1_NAMESPACE)
1244                         list(APPEND CERES_DEFINES -DCERES_TR1_SHARED_PTR)
1245                 endif()
1246         else()
1247                 message(FATAL_ERROR "Ceres: Unable to find shared_ptr.")
1248         endif()
1249
1250         if(WITH_CXX11)
1251                 list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP)
1252         elseif(HAVE_STD_UNORDERED_MAP_HEADER)
1253                 if(HAVE_UNORDERED_MAP_IN_STD_NAMESPACE)
1254                         list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP)
1255                 else()
1256                         if(HAVE_UNORDERED_MAP_IN_TR1_NAMESPACE)
1257                                 list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP_IN_TR1_NAMESPACE)
1258                         else()
1259                                 list(APPEND CERES_DEFINES -DCERES_NO_UNORDERED_MAP)
1260                                 message(STATUS "Ceres: Replacing unordered_map/set with map/set (warning: slower!)")
1261                         endif()
1262                 endif()
1263         else()
1264                 if(HAVE_UNORDERED_MAP_IN_TR1_NAMESPACE)
1265                         list(APPEND CERES_DEFINES -DCERES_TR1_UNORDERED_MAP)
1266                 else()
1267                         list(APPEND CERES_DEFINES -DCERES_NO_UNORDERED_MAP)
1268                         message(STATUS "Ceres: Replacing unordered_map/set with map/set (warning: slower!)")
1269                 endif()
1270         endif()
1271 endif()
1272
1273 #-----------------------------------------------------------------------------
1274 # Extra compile flags
1275
1276 if(CMAKE_COMPILER_IS_GNUCC)
1277
1278         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
1279         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_CAST_ALIGN -Wcast-align)
1280         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
1281         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
1282         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_VLA -Werror=vla)
1283         # system headers sometimes do this, disable for now, was: -Werror=strict-prototypes
1284         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_STRICT_PROTOTYPES  -Wstrict-prototypes)
1285         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_PROTOTYPES -Wmissing-prototypes)
1286         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
1287         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1288         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_POINTER_ARITH -Wpointer-arith)
1289         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_PARAMETER -Wunused-parameter)
1290         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_WRITE_STRINGS -Wwrite-strings)
1291         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_LOGICAL_OP -Wlogical-op)
1292         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNDEF -Wundef)
1293         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_INIT_SELF -Winit-self)  # needs -Wuninitialized
1294         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_NULL -Wnonnull)  # C only
1295         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
1296         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
1297         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_TYPE_LIMITS -Wtype-limits)
1298         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_FORMAT_SIGN -Wformat-signedness)
1299         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_RESTRICT -Wrestrict)
1300
1301         # gcc 4.2 gives annoying warnings on every file with this
1302         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.3")
1303                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNINITIALIZED -Wuninitialized)
1304         endif()
1305
1306         # versions before gcc4.6 give many BLI_math warnings
1307         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.6")
1308                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_REDUNDANT_DECLS       -Wredundant-decls)
1309                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_REDUNDANT_DECLS -Wredundant-decls)
1310         endif()
1311
1312         # versions before gcc4.8 include global name-space.
1313         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.8")
1314                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_SHADOW -Wshadow)
1315         endif()
1316
1317         # disable because it gives warnings for printf() & friends.
1318         # ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_DOUBLE_PROMOTION -Wdouble-promotion -Wno-error=double-promotion)
1319
1320         if(NOT APPLE)
1321                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)
1322         endif()
1323
1324         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
1325         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF -Wno-invalid-offsetof)
1326         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE -Wno-sign-compare)
1327         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_LOGICAL_OP -Wlogical-op)
1328         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_INIT_SELF -Winit-self)  # needs -Wuninitialized
1329         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
1330         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
1331         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_TYPE_LIMITS -Wtype-limits)
1332         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
1333         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
1334         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
1335         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1336         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_POINTER_ARITH -Wpointer-arith)
1337         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNUSED_PARAMETER -Wunused-parameter)
1338         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_WRITE_STRINGS -Wwrite-strings)
1339         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)
1340         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_FORMAT_SIGN -Wformat-signedness)
1341         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_RESTRICT -Wrestrict)
1342
1343         # gcc 4.2 gives annoying warnings on every file with this
1344         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.3")
1345                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)
1346         endif()
1347
1348         # causes too many warnings
1349         if(NOT APPLE)
1350                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)
1351                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_MISSING_DECLARATIONS -Wmissing-declarations)
1352         endif()
1353
1354         # Use 'ATTR_FALLTHROUGH' macro to suppress.
1355         if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "7.0"))
1356                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)
1357                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)
1358         endif()
1359
1360         # flags to undo strict flags
1361         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_DEPRECATED_DECLARATIONS -Wno-deprecated-declarations)
1362         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_PARAMETER        -Wno-unused-parameter)
1363         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_FUNCTION         -Wno-unused-function)
1364
1365         if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "7.0"))
1366                 ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_IMPLICIT_FALLTHROUGH    -Wno-implicit-fallthrough)
1367         endif()
1368
1369         if(NOT APPLE)
1370                 ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)
1371         endif()
1372
1373 elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
1374
1375         # strange, clang complains these are not supported, but then uses them.
1376         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
1377         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
1378         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
1379         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_AUTOLOGICAL_COMPARE -Wno-tautological-compare)
1380         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1381         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
1382         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_STRICT_PROTOTYPES  -Wstrict-prototypes)
1383         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_PROTOTYPES -Wmissing-prototypes)
1384         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_PARAMETER -Wunused-parameter)
1385
1386         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
1387         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_AUTOLOGICAL_COMPARE -Wno-tautological-compare)
1388         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_UNKNOWN_PRAGMAS     -Wno-unknown-pragmas)
1389         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_CHAR_SUBSCRIPTS     -Wno-char-subscripts)
1390         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_OVERLOADED_VIRTUAL  -Wno-overloaded-virtual)  # we get a lot of these, if its a problem a dev needs to look into it.
1391         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE        -Wno-sign-compare)
1392         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF    -Wno-invalid-offsetof)
1393
1394         # gives too many unfixable warnings
1395         # ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_MACROS      -Wunused-macros)
1396         # ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNUSED_MACROS          -Wunused-macros)
1397
1398         # flags to undo strict flags
1399         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_PARAMETER -Wno-unused-parameter)
1400         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_MACROS    -Wno-unused-macros)
1401
1402         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_VARIABLE_DECLARATIONS -Wno-missing-variable-declarations)
1403         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_INCOMPAT_PTR_DISCARD_QUAL -Wno-incompatible-pointer-types-discards-qualifiers)
1404         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_FUNCTION -Wno-unused-function)
1405         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_INT_TO_VOID_POINTER_CAST -Wno-int-to-void-pointer-cast)
1406         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_PROTOTYPES -Wno-missing-prototypes)
1407         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_DUPLICATE_ENUM -Wno-duplicate-enum)
1408         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNDEF -Wno-undef)
1409         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_NORETURN -Wno-missing-noreturn)
1410
1411         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_PRIVATE_FIELD -Wno-unused-private-field)
1412         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_CXX11_NARROWING -Wno-c++11-narrowing)
1413         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_NON_VIRTUAL_DTOR -Wno-non-virtual-dtor)
1414         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_MACROS -Wno-unused-macros)
1415         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_REORDER -Wno-reorder)
1416
1417 elseif(CMAKE_C_COMPILER_ID MATCHES "Intel")
1418
1419         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
1420         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_POINTER_ARITH -Wpointer-arith)
1421         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1422
1423         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
1424         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF -Wno-invalid-offsetof)
1425         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE -Wno-sign-compare)
1426
1427         # disable numbered, false positives
1428         set(C_WARNINGS "${C_WARNINGS} -wd188,186,144,913,556,858,597,177,1292,167,279,592,94,2722,3199")
1429         set(CXX_WARNINGS "${CXX_WARNINGS} -wd188,186,144,913,556,858,597,177,1292,167,279,592,94,2722,3199")
1430 elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
1431         # most msvc warnings are C & C++
1432         set(_WARNINGS
1433                 # warning level:
1434                 "/W3"
1435                 "/w34062"  # switch statement contains 'default' but no 'case' labels
1436                 # disable:
1437                 "/wd4018"  # signed/unsigned mismatch
1438                 "/wd4146"  # unary minus operator applied to unsigned type, result still unsigned
1439                 "/wd4065"  # switch statement contains 'default' but no 'case' labels
1440                 "/wd4127"  # conditional expression is constant
1441                 "/wd4181"  # qualifier applied to reference type; ignored
1442                 "/wd4200"  # zero-sized array in struct/union
1443                 "/wd4244"  # conversion from 'type1' to 'type2', possible loss of data
1444                 "/wd4267"  # conversion from 'size_t' to 'type', possible loss of data
1445                 "/wd4305"  # truncation from 'type1' to 'type2'
1446                 "/wd4800"  # forcing value to bool 'true' or 'false'
1447                 "/wd4828"  # The file contains a character that is illegal 
1448                 # errors:
1449                 "/we4013"  # 'function' undefined; assuming extern returning int
1450                 "/we4133"  # incompatible pointer types
1451                 "/we4431"  # missing type specifier - int assumed
1452         )
1453
1454         string(REPLACE ";" " " _WARNINGS "${_WARNINGS}")
1455         set(C_WARNINGS "${_WARNINGS}")
1456         set(CXX_WARNINGS "${_WARNINGS}")
1457         unset(_WARNINGS)
1458 endif()
1459
1460 # ensure python header is found since detection can fail, this could happen
1461 # with _any_ library but since we used a fixed python version this tends to
1462 # be most problematic.
1463 if(WITH_PYTHON)
1464         if(NOT EXISTS "${PYTHON_INCLUDE_DIR}/Python.h")
1465                 message(FATAL_ERROR
1466                         "Missing: \"${PYTHON_INCLUDE_DIR}/Python.h\",\n"
1467                         "Set the cache entry 'PYTHON_INCLUDE_DIR' to point "
1468                         "to a valid python include path. Containing "
1469                         "Python.h for python version \"${PYTHON_VERSION}\""
1470                 )
1471         endif()
1472
1473         if(WIN32)
1474                 # pass, we have this in an archive to extract
1475         elseif((WITH_PYTHON_INSTALL AND WITH_PYTHON_INSTALL_NUMPY) OR (WITH_AUDASPACE AND NOT WITH_SYSTEM_AUDASPACE))
1476                 if(("${PYTHON_NUMPY_PATH}" STREQUAL "") OR (${PYTHON_NUMPY_PATH} MATCHES NOTFOUND))
1477                         find_python_package(numpy)
1478                         unset(PYTHON_NUMPY_INCLUDE_DIRS CACHE)
1479                         set(PYTHON_NUMPY_INCLUDE_DIRS ${PYTHON_NUMPY_PATH}/numpy/core/include CACHE PATH "Path to the include directory of the numpy module")
1480                         mark_as_advanced(PYTHON_NUMPY_INCLUDE_DIRS)
1481                 endif()
1482         endif()
1483
1484         if(WIN32 OR APPLE)
1485                 # pass, we have this in lib/python/site-packages
1486         elseif(WITH_PYTHON_INSTALL_REQUESTS)
1487                 find_python_package(requests)
1488         endif()
1489 endif()
1490
1491 if(WITH_CXX11)
1492         if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
1493                 # TODO(sergey): Do we want c++11 or gnu-c++11 here?
1494                 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
1495         elseif(MSVC)
1496                 # Nothing special is needed, C++11 features are available by default.
1497         else()
1498                 message(FATAL_ERROR "Compiler ${CMAKE_C_COMPILER_ID} is not supported for C++11 build yet")
1499         endif()
1500 else()
1501         # GCC-6 switched to C++11 by default, which would break linking with existing libraries
1502         # by default. So we explicitly disable C++11 for a new GCC so no linking issues happens.
1503         if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "6.0"))
1504                 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++98")
1505                 # We also disable any of C++11 ABI from usage, so we wouldn't even try to
1506                 # link to stuff from std::__cxx11 namespace.
1507                 add_definitions("-D_GLIBCXX_USE_CXX11_ABI=0")
1508         endif()
1509 endif()
1510
1511 # Visual Studio has all standards it supports available by default
1512 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_C_COMPILER_ID MATCHES "Intel")
1513         # Use C99 + GNU extensions, works with GCC, Clang, ICC
1514         if(WITH_C11)
1515                 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
1516         else()
1517                 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
1518         endif()
1519 endif()
1520
1521 # Include warnings first, so its possible to disable them with user defined flags
1522 # eg: -Wno-uninitialized
1523 set(CMAKE_C_FLAGS "${C_WARNINGS} ${CMAKE_C_FLAGS} ${PLATFORM_CFLAGS}")
1524 set(CMAKE_CXX_FLAGS "${CXX_WARNINGS} ${CMAKE_CXX_FLAGS} ${PLATFORM_CFLAGS}")
1525
1526 # defined above, platform specific but shared names
1527 mark_as_advanced(
1528         CYCLES_OSL
1529         OSL_LIB_EXEC
1530         OSL_COMPILER
1531         OSL_LIB_COMP
1532         OSL_LIB_QUERY
1533         OSL_INCLUDE_DIR
1534 )
1535
1536 mark_as_advanced(
1537         LLVM_CONFIG
1538         LLVM_ROOT_DIR
1539         LLVM_LIBRARY
1540         LLVM_VERSION
1541 )
1542
1543 #-------------------------------------------------------------------------------
1544 # Global Defines
1545
1546 # better not set includes here but this debugging option is off by default.
1547 if(WITH_CXX_GUARDEDALLOC)
1548         include_directories(${CMAKE_SOURCE_DIR}/intern/guardedalloc)
1549         add_definitions(-DWITH_CXX_GUARDEDALLOC)
1550 endif()
1551
1552 if(WITH_ASSERT_ABORT)
1553         add_definitions(-DWITH_ASSERT_ABORT)
1554 endif()
1555
1556 # message(STATUS "Using CFLAGS: ${CMAKE_C_FLAGS}")
1557 # message(STATUS "Using CXXFLAGS: ${CMAKE_CXX_FLAGS}")
1558
1559 #-----------------------------------------------------------------------------
1560 # Libraries
1561
1562 if(WITH_GTESTS)
1563         include(GTestTesting)
1564 endif()
1565
1566 if(WITH_BLENDER)
1567         add_subdirectory(intern)
1568         add_subdirectory(extern)
1569
1570         # source after intern and extern to gather all
1571         # internal and external library information first, for test linking
1572         add_subdirectory(source)
1573 elseif(WITH_CYCLES_STANDALONE)
1574         add_subdirectory(intern/cycles)
1575         add_subdirectory(extern/clew)
1576         if(WITH_CUDA_DYNLOAD)
1577                 add_subdirectory(extern/cuew)
1578         endif()
1579         if(NOT WITH_SYSTEM_GLEW)
1580                 add_subdirectory(extern/glew)
1581         endif()
1582 endif()
1583
1584 #-----------------------------------------------------------------------------
1585 # Blender Application
1586 if(WITH_BLENDER)
1587         add_subdirectory(source/creator)
1588 endif()
1589
1590
1591 #-----------------------------------------------------------------------------
1592 # Testing
1593 add_subdirectory(tests)
1594
1595
1596 #-----------------------------------------------------------------------------
1597 # CPack for generating packages
1598 include(build_files/cmake/packaging.cmake)
1599
1600 #-----------------------------------------------------------------------------
1601 # Use dynamic loading for OpenMP
1602 if(WITH_BLENDER)
1603         openmp_delayload(blender)
1604 endif()
1605
1606 #-----------------------------------------------------------------------------
1607 # Print Final Configuration
1608
1609 if(FIRST_RUN)
1610
1611         set(_config_msg "\nBlender Configuration\n=====================")
1612
1613         function(info_cfg_option
1614                 _setting
1615                 )
1616
1617                 set(_msg "  - ${_setting}")
1618                 string(LENGTH "${_msg}" _len)
1619                 while("32" GREATER "${_len}")
1620                         set(_msg "${_msg} ")
1621                         math(EXPR _len "${_len} + 1")
1622                 endwhile()
1623
1624                 set(_config_msg "${_config_msg}\n${_msg}${${_setting}}" PARENT_SCOPE)
1625         endfunction()
1626
1627         function(info_cfg_text
1628                 _text
1629                 )
1630
1631                 set(_config_msg "${_config_msg}\n\n  ${_text}" PARENT_SCOPE)
1632         endfunction()
1633
1634         message(STATUS "C Compiler:   \"${CMAKE_C_COMPILER_ID}\"")
1635         message(STATUS "C++ Compiler: \"${CMAKE_CXX_COMPILER_ID}\"")
1636
1637         info_cfg_text("Build Options:")
1638         info_cfg_option(WITH_BULLET)
1639         info_cfg_option(WITH_IK_SOLVER)
1640         info_cfg_option(WITH_IK_ITASC)
1641         info_cfg_option(WITH_OPENCOLLADA)
1642         info_cfg_option(WITH_FFTW3)
1643         info_cfg_option(WITH_INTERNATIONAL)
1644         info_cfg_option(WITH_INPUT_NDOF)
1645         info_cfg_option(WITH_CYCLES)
1646         info_cfg_option(WITH_FREESTYLE)
1647         info_cfg_option(WITH_OPENCOLORIO)
1648         info_cfg_option(WITH_OPENVDB)
1649         info_cfg_option(WITH_ALEMBIC)
1650
1651         info_cfg_text("Compiler Options:")
1652         info_cfg_option(WITH_BUILDINFO)
1653         info_cfg_option(WITH_OPENMP)
1654         info_cfg_option(WITH_RAYOPTIMIZATION)
1655
1656         info_cfg_text("System Options:")
1657         info_cfg_option(WITH_INSTALL_PORTABLE)
1658         info_cfg_option(WITH_X11_ALPHA)
1659         info_cfg_option(WITH_X11_XF86VMODE)
1660         info_cfg_option(WITH_X11_XFIXES)
1661         info_cfg_option(WITH_X11_XINPUT)
1662         info_cfg_option(WITH_MEM_JEMALLOC)
1663         info_cfg_option(WITH_MEM_VALGRIND)
1664         info_cfg_option(WITH_SYSTEM_GLEW)
1665         info_cfg_option(WITH_SYSTEM_OPENJPEG)
1666
1667         info_cfg_text("Image Formats:")
1668         info_cfg_option(WITH_OPENIMAGEIO)
1669         info_cfg_option(WITH_IMAGE_CINEON)
1670         info_cfg_option(WITH_IMAGE_DDS)
1671         info_cfg_option(WITH_IMAGE_HDR)
1672         info_cfg_option(WITH_IMAGE_OPENEXR)
1673         info_cfg_option(WITH_IMAGE_OPENJPEG)
1674         info_cfg_option(WITH_IMAGE_TIFF)
1675
1676         info_cfg_text("Audio:")
1677         info_cfg_option(WITH_OPENAL)
1678         info_cfg_option(WITH_SDL)
1679         info_cfg_option(WITH_SDL_DYNLOAD)
1680         info_cfg_option(WITH_JACK)
1681         info_cfg_option(WITH_JACK_DYNLOAD)
1682         info_cfg_option(WITH_CODEC_AVI)
1683         info_cfg_option(WITH_CODEC_FFMPEG)
1684         info_cfg_option(WITH_CODEC_SNDFILE)
1685
1686         info_cfg_text("Compression:")
1687         info_cfg_option(WITH_LZMA)
1688         info_cfg_option(WITH_LZO)
1689
1690         info_cfg_text("Python:")
1691         info_cfg_option(WITH_PYTHON_INSTALL)
1692         info_cfg_option(WITH_PYTHON_INSTALL_NUMPY)
1693         info_cfg_option(WITH_PYTHON_MODULE)
1694         info_cfg_option(WITH_PYTHON_SAFETY)
1695         if(APPLE)
1696                 info_cfg_option(WITH_PYTHON_FRAMEWORK)
1697         endif()
1698
1699         info_cfg_text("Modifiers:")
1700         info_cfg_option(WITH_MOD_REMESH)
1701         info_cfg_option(WITH_MOD_FLUID)
1702         info_cfg_option(WITH_MOD_OCEANSIM)
1703
1704         info_cfg_text("OpenGL:")
1705         info_cfg_option(WITH_GLEW_ES)
1706         info_cfg_option(WITH_GL_EGL)
1707         info_cfg_option(WITH_GL_PROFILE_ES20)
1708         if(WIN32)
1709                 info_cfg_option(WITH_GL_ANGLE)
1710         endif()
1711
1712         info_cfg_text("")
1713
1714         message("${_config_msg}")
1715 endif()
1716
1717 if(0)
1718         print_all_vars()
1719 endif()