Add an assert to BKE_icon_changed() that we are actually dealing with ID icon.
[blender-staging.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_GAMEENGINE
169         _init_OPENSUBDIV
170 )
171
172 # customize...
173 if(UNIX AND NOT APPLE)
174         # some of these libraries are problematic on Linux
175         # disable less important dependencies by default
176         set(_init_CODEC_FFMPEG                   OFF)
177         set(_init_CYCLES_OSL                     OFF)
178         set(_init_CYCLES_OPENSUBDIV              OFF)
179         set(_init_IMAGE_OPENEXR                  OFF)
180         set(_init_JACK                           OFF)
181         set(_init_OPENCOLLADA                    OFF)
182         set(_init_OPENCOLORIO                    OFF)
183         set(_init_SDL                            OFF)
184         set(_init_FFTW3                          OFF)
185         set(_init_OPENSUBDIV                     OFF)
186 elseif(WIN32)
187         set(_init_JACK                           OFF)
188 elseif(APPLE)
189         set(_init_JACK                           OFF)
190         set(_init_OPENSUBDIV                     OFF)
191 endif()
192
193
194 #-----------------------------------------------------------------------------
195 # Options
196
197 # First platform specific non-cached vars
198 if(UNIX AND NOT (APPLE OR HAIKU))
199         set(WITH_X11 ON)
200 endif()
201
202 # Blender internal features
203 option(WITH_BLENDER "Build blender (disable to build only the blender player)" ON)
204 mark_as_advanced(WITH_BLENDER)
205
206 option(WITH_INTERNATIONAL "Enable I18N (International fonts and text)" ON)
207
208 option(WITH_PYTHON        "Enable Embedded Python API  (only disable for development)" ON)
209 option(WITH_PYTHON_SECURITY "Disables execution of scripts within blend files by default" ON) 
210 mark_as_advanced(WITH_PYTHON)  # dont want people disabling this unless they really know what they are doing.
211 mark_as_advanced(WITH_PYTHON_SECURITY)  # some distributions see this as a security issue, rather than have them patch it, make a build option.
212
213 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)
214 mark_as_advanced(WITH_PYTHON_SAFETY)
215 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)
216 if(APPLE)
217         option(WITH_PYTHON_FRAMEWORK "Enable building using the Python available in the framework (OSX only)" OFF)
218 endif()
219
220 option(WITH_BUILDINFO     "Include extra build details (only disable for development & faster builds)" ${_init_BUILDINFO})
221 if(${CMAKE_VERSION} VERSION_LESS 2.8.8)
222         # add_library OBJECT arg unsupported
223         set(WITH_BUILDINFO OFF)
224 endif()
225 set(BUILDINFO_OVERRIDE_DATE "" CACHE STRING "Use instead of the current date for reproducable builds (empty string disables this option)")
226 set(BUILDINFO_OVERRIDE_TIME "" CACHE STRING "Use instead of the current time for reproducable builds (empty string disables this option)")
227 set(CPACK_OVERRIDE_PACKAGENAME "" CACHE STRING "Use instead of the standard packagename (empty string disables this option)")
228 mark_as_advanced(CPACK_OVERRIDE_PACKAGENAME)
229 mark_as_advanced(BUILDINFO_OVERRIDE_DATE)
230 mark_as_advanced(BUILDINFO_OVERRIDE_TIME)
231
232 option(WITH_IK_ITASC      "Enable ITASC IK solver (only disable for development & for incompatible C++ compilers)" ON)
233 option(WITH_IK_SOLVER     "Enable Legacy IK solver (only disable for development)" ON)
234 option(WITH_FFTW3         "Enable FFTW3 support (Used for smoke, ocean sim, and audio effects)" ${_init_FFTW3})
235 option(WITH_BULLET        "Enable Bullet (Physics Engine)" ON)
236 option(WITH_SYSTEM_BULLET "Use the systems bullet library (currently unsupported due to missing features in upstream!)" )
237 mark_as_advanced(WITH_SYSTEM_BULLET)
238 option(WITH_GAMEENGINE    "Enable Game Engine" ${_init_GAMEENGINE})
239 if(APPLE)
240         set(WITH_GAMEENGINE_DECKLINK OFF)
241 else()
242         option(WITH_GAMEENGINE_DECKLINK "Support BlackMagicDesign DeckLink cards in the Game Engine" ON)
243 endif()
244 option(WITH_PLAYER        "Build Player" OFF)
245 option(WITH_OPENCOLORIO   "Enable OpenColorIO color management" ${_init_OPENCOLORIO})
246
247 # Compositor
248 option(WITH_COMPOSITOR         "Enable the tile based nodal compositor" ON)
249
250 option(WITH_OPENSUBDIV    "Enable OpenSubdiv for surface subdivision" _init_OPENSUBDIV)
251
252 option(WITH_OPENVDB       "Enable features relying on OpenVDB" OFF)
253 option(WITH_OPENVDB_BLOSC "Enable blosc compression for OpenVDB, only enable if OpenVDB was built with blosc support" OFF)
254
255 # GHOST Windowing Library Options
256 option(WITH_GHOST_DEBUG   "Enable debugging output for the GHOST library" OFF)
257 mark_as_advanced(WITH_GHOST_DEBUG)
258
259 option(WITH_GHOST_SDL    "Enable building Blender against SDL for windowing rather than the native APIs" OFF)
260 mark_as_advanced(WITH_GHOST_SDL)
261
262 if(WITH_X11)
263         option(WITH_GHOST_XDND    "Enable drag'n'drop support on X11 using XDND protocol" ON)
264 endif()
265
266 # Misc...
267 option(WITH_HEADLESS      "Build without graphical support (renderfarm, server mode only)" OFF)
268 mark_as_advanced(WITH_HEADLESS)
269
270 option(WITH_AUDASPACE    "Build with blenders audio library (only disable if you know what you're doing!)" ON)
271 option(WITH_SYSTEM_AUDASPACE "Build with external audaspace library installed on the system (only enable if you know what you're doing!)" OFF)
272 mark_as_advanced(WITH_AUDASPACE)
273 mark_as_advanced(WITH_SYSTEM_AUDASPACE)
274
275 if(NOT WITH_AUDASPACE)
276         set(WITH_SYSTEM_AUDASPACE OFF)
277 endif()
278
279 option(WITH_OPENMP        "Enable OpenMP (has to be supported by the compiler)" ON)
280 if(UNIX AND NOT APPLE)
281         option(WITH_OPENMP_STATIC "Link OpenMP statically (only used by the release environment)" OFF)
282         mark_as_advanced(WITH_OPENMP_STATIC)
283 endif()
284
285 if(WITH_X11)
286         option(WITH_X11_XINPUT    "Enable X11 Xinput (tablet support and unicode input)"  ON)
287         option(WITH_X11_XF86VMODE "Enable X11 video mode switching"                       ON)
288         option(WITH_X11_XFIXES    "Enable X11 XWayland cursor warping workaround"         ON)
289         option(WITH_X11_ALPHA     "Enable X11 transparent background"                     ON)
290 endif()
291
292 if(UNIX AND NOT APPLE)
293         option(WITH_SYSTEM_GLEW "Use GLEW OpenGL wrapper library provided by the operating system" OFF)
294         option(WITH_SYSTEM_GLES "Use OpenGL ES library provided by the operating system"           ON)
295 else()
296         # not an option for other OS's
297         set(WITH_SYSTEM_GLEW OFF)
298         set(WITH_SYSTEM_GLES OFF)
299 endif()
300
301
302 # (unix defaults to System OpenJPEG On)
303 option(WITH_SYSTEM_OPENJPEG "Use the operating systems OpenJPEG library" OFF)
304
305 if(UNIX AND NOT APPLE)
306         option(WITH_SYSTEM_EIGEN3 "Use the systems Eigen3 library" OFF)
307 endif()
308
309
310 # Modifiers
311 option(WITH_MOD_FLUID           "Enable Elbeem Modifier (Fluid Simulation)" ON)
312 option(WITH_MOD_SMOKE           "Enable Smoke Modifier (Smoke Simulation)" ON)
313 option(WITH_MOD_REMESH          "Enable Remesh Modifier" ON)
314 # option(WITH_MOD_CLOTH_ELTOPO    "Enable Experimental cloth solver" OFF)  # this is now only available in a branch
315 # mark_as_advanced(WITH_MOD_CLOTH_ELTOPO)
316 option(WITH_MOD_OCEANSIM        "Enable Ocean Modifier" OFF)
317
318 # Image format support
319 option(WITH_OPENIMAGEIO         "Enable OpenImageIO Support (http://www.openimageio.org)" ON)
320 option(WITH_IMAGE_OPENEXR       "Enable OpenEXR Support (http://www.openexr.com)" ${_init_IMAGE_OPENEXR})
321 option(WITH_IMAGE_OPENJPEG      "Enable OpenJpeg Support (http://www.openjpeg.org)" ON)
322 option(WITH_IMAGE_TIFF          "Enable LibTIFF Support" ON)
323 option(WITH_IMAGE_DDS           "Enable DDS Image Support" ON)
324 option(WITH_IMAGE_CINEON        "Enable CINEON and DPX Image Support" ON)
325 option(WITH_IMAGE_HDR           "Enable HDR Image Support" ON)
326 option(WITH_IMAGE_FRAMESERVER   "Enable image FrameServer Support for rendering" ON)
327
328 # Audio/Video format support
329 option(WITH_CODEC_AVI           "Enable Blenders own AVI file support (raw/jpeg)" ON)
330 option(WITH_CODEC_FFMPEG        "Enable FFMPeg Support (http://ffmpeg.org)" ${_init_CODEC_FFMPEG})
331 option(WITH_CODEC_SNDFILE       "Enable libsndfile Support (http://www.mega-nerd.com/libsndfile)" OFF)
332
333 # Alembic support
334 option(WITH_ALEMBIC             "Enable Alembic Support" OFF)
335 option(WITH_ALEMBIC_HDF5        "Enable Legacy Alembic Support (not officially supported)" OFF)
336
337 # 3D format support
338 # Disable opencollada when we don't have precompiled libs
339 option(WITH_OPENCOLLADA   "Enable OpenCollada Support (http://www.opencollada.org)" ${_init_OPENCOLLADA})
340
341 # Sound output
342 option(WITH_SDL           "Enable SDL for sound and joystick support" ${_init_SDL})
343 option(WITH_OPENAL        "Enable OpenAL Support (http://www.openal.org)" ON)
344 option(WITH_JACK          "Enable JACK Support (http://www.jackaudio.org)" ${_init_JACK})
345 if(UNIX AND NOT APPLE)
346         option(WITH_JACK_DYNLOAD  "Enable runtime dynamic JACK libraries loading" OFF)
347 endif()
348 if(UNIX AND NOT APPLE)
349         option(WITH_SDL_DYNLOAD  "Enable runtime dynamic SDL libraries loading" OFF)
350 endif()
351
352 # Compression
353 option(WITH_LZO           "Enable fast LZO compression (used for pointcache)" ON)
354 option(WITH_LZMA          "Enable best LZMA compression, (used for pointcache)" ON)
355 if(UNIX AND NOT APPLE)
356         option(WITH_SYSTEM_LZO    "Use the system LZO library" OFF)
357 endif()
358
359 # Camera/motion tracking
360 option(WITH_LIBMV         "Enable Libmv structure from motion library" ON)
361 option(WITH_LIBMV_SCHUR_SPECIALIZATIONS "Enable fixed-size schur specializations." OFF)
362 mark_as_advanced(WITH_LIBMV_SCHUR_SPECIALIZATIONS)
363
364 # Logging/unbit test libraries.
365 option(WITH_SYSTEM_GFLAGS   "Use system-wide Gflags instead of a bundled one" OFF)
366 option(WITH_SYSTEM_GLOG     "Use system-wide Glog instead of a bundled one" OFF)
367 mark_as_advanced(WITH_SYSTEM_GFLAGS)
368 mark_as_advanced(WITH_SYSTEM_GLOG)
369
370 # Freestyle
371 option(WITH_FREESTYLE     "Enable Freestyle (advanced edges rendering)" ON)
372
373 # Misc
374 if(WIN32)
375         option(WITH_INPUT_IME "Enable Input Method Editor (IME) for complex Asian character input" ON)
376 endif()
377 option(WITH_INPUT_NDOF "Enable NDOF input devices (SpaceNavigator and friends)" ${_init_INPUT_NDOF})
378 option(WITH_RAYOPTIMIZATION     "Enable use of SIMD (SSE) optimizations for the raytracer" ON)
379 if(UNIX AND NOT APPLE)
380         option(WITH_INSTALL_PORTABLE "Install redistributeable runtime, otherwise install into CMAKE_INSTALL_PREFIX" ON)
381         option(WITH_STATIC_LIBS "Try to link with static libraries, as much as possible, to make blender more portable across distributions" OFF)
382         if(WITH_STATIC_LIBS)
383                 option(WITH_BOOST_ICU "Boost uses ICU library (required for linking with static Boost built with libicu)." OFF)
384                 mark_as_advanced(WITH_BOOST_ICU)
385         endif()
386 endif()
387
388 option(WITH_PYTHON_INSTALL       "Copy system python into the blender install folder" ON)
389 if(WITH_PYTHON_INSTALL)
390         option(WITH_PYTHON_INSTALL_NUMPY "Copy system numpy into the blender install folder"  ON)
391         set(PYTHON_NUMPY_PATH            "" CACHE PATH "Path to python site-packages or dist-packages containing 'numpy' module")
392         mark_as_advanced(PYTHON_NUMPY_PATH)
393
394         if(UNIX AND NOT APPLE)
395                 option(WITH_PYTHON_INSTALL_REQUESTS "Copy system requests into the blender install folder" ON)
396                 set(PYTHON_REQUESTS_PATH "" CACHE PATH "Path to python site-packages or dist-packages containing 'requests' module")
397                 mark_as_advanced(PYTHON_REQUESTS_PATH)
398         endif()
399 endif()
400
401 option(WITH_CPU_SSE              "Enable SIMD instruction if they're detected on the host machine" ON)
402 mark_as_advanced(WITH_CPU_SSE)
403
404 # Cycles
405 option(WITH_CYCLES                                      "Enable Cycles Render Engine" ON)
406 option(WITH_CYCLES_STANDALONE           "Build Cycles standalone application" OFF)
407 option(WITH_CYCLES_STANDALONE_GUI       "Build Cycles standalone with GUI" OFF)
408 option(WITH_CYCLES_OSL                          "Build Cycles with OSL support" ${_init_CYCLES_OSL})
409 option(WITH_CYCLES_OPENSUBDIV           "Build Cycles with OpenSubdiv support" ${_init_CYCLES_OPENSUBDIV})
410 option(WITH_CYCLES_CUDA_BINARIES        "Build Cycles CUDA binaries" OFF)
411 option(WITH_CYCLES_CUBIN_COMPILER       "Build cubins with nvrtc based compiler instead of nvcc" OFF)
412 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")
413 mark_as_advanced(CYCLES_CUDA_BINARIES_ARCH)
414 unset(PLATFORM_DEFAULT)
415 option(WITH_CYCLES_LOGGING      "Build Cycles with logging support" ON)
416 option(WITH_CYCLES_DEBUG        "Build Cycles with extra debug capabilities" OFF)
417 option(WITH_CYCLES_NATIVE_ONLY  "Build Cycles with native kernel only (which fits current CPU, use for development only)" OFF)
418 mark_as_advanced(WITH_CYCLES_CUBIN_COMPILER)
419 mark_as_advanced(WITH_CYCLES_LOGGING)
420 mark_as_advanced(WITH_CYCLES_DEBUG)
421 mark_as_advanced(WITH_CYCLES_NATIVE_ONLY)
422
423 option(WITH_CYCLES_DEVICE_CUDA                          "Enable Cycles CUDA compute support" ON)
424 option(WITH_CYCLES_DEVICE_OPENCL                        "Enable Cycles OpenCL compute support" ON)
425 option(WITH_CYCLES_NETWORK                              "Enable Cycles compute over network support (EXPERIMENTAL and unfinished)" OFF)
426 mark_as_advanced(WITH_CYCLES_DEVICE_CUDA)
427 mark_as_advanced(WITH_CYCLES_DEVICE_OPENCL)
428 mark_as_advanced(WITH_CYCLES_NETWORK)
429
430 option(WITH_CUDA_DYNLOAD "Dynamically load CUDA libraries at runtime" ON)
431 mark_as_advanced(WITH_CUDA_DYNLOAD)
432
433 # LLVM
434 option(WITH_LLVM                                        "Use LLVM" OFF)
435 if(APPLE)
436         option(LLVM_STATIC                                      "Link with LLVM static libraries" ON) # we prefer static llvm build on Apple, dyn build possible though
437 else()
438         option(LLVM_STATIC                                      "Link with LLVM static libraries" OFF)
439 endif()
440 mark_as_advanced(LLVM_STATIC)
441
442 # disable for now, but plan to support on all platforms eventually
443 option(WITH_MEM_JEMALLOC   "Enable malloc replacement (http://www.canonware.com/jemalloc)" ON)
444 mark_as_advanced(WITH_MEM_JEMALLOC)
445
446 # currently only used for BLI_mempool
447 option(WITH_MEM_VALGRIND "Enable extended valgrind support for better reporting" OFF)
448 mark_as_advanced(WITH_MEM_VALGRIND)
449
450 # Debug
451 option(WITH_CXX_GUARDEDALLOC "Enable GuardedAlloc for C++ memory allocation tracking (only enable for development)" OFF)
452 mark_as_advanced(WITH_CXX_GUARDEDALLOC)
453
454 option(WITH_ASSERT_ABORT "Call abort() when raising an assertion through BLI_assert()" OFF)
455 mark_as_advanced(WITH_ASSERT_ABORT)
456
457 option(WITH_BOOST                                       "Enable features depending on boost" ON)
458
459 # Unit testsing
460 option(WITH_GTESTS "Enable GTest unit testing" OFF)
461 option(WITH_OPENGL_RENDER_TESTS "Enable OpenGL render related unit testing (Experimental)" OFF)
462 option(WITH_OPENGL_DRAW_TESTS "Enable OpenGL UI drawing related unit testing (Experimental)" OFF)
463
464
465 # Documentation
466 if(UNIX AND NOT APPLE)
467         option(WITH_DOC_MANPAGE "Create a manual page (Unix manpage)" OFF)
468 endif()
469
470
471 # OpenGL
472
473 option(WITH_GLEW_MX             "Support multiple GLEW contexts (experimental)"                                                                     OFF )
474 option(WITH_GLEW_ES             "Switches to experimental copy of GLEW that has support for OpenGL ES. (temporary option for development purposes)" OFF)
475 option(WITH_GL_EGL              "Use the EGL OpenGL system library instead of the platform specific OpenGL system library (CGL, glX, or WGL)"       OFF)
476 option(WITH_GL_PROFILE_COMPAT   "Support using the OpenGL 'compatibility' profile. (deprecated)"                                                    ON )
477 option(WITH_GL_PROFILE_CORE     "Support using the OpenGL 3.2+ 'core' profile."                                                                     OFF)
478 option(WITH_GL_PROFILE_ES20     "Support using OpenGL ES 2.0. (thru either EGL or the AGL/WGL/XGL 'es20' profile)"                                  OFF)
479
480 mark_as_advanced(
481         WITH_GLEW_MX
482         WITH_GLEW_ES
483         WITH_GL_EGL
484         WITH_GL_PROFILE_COMPAT
485         WITH_GL_PROFILE_CORE
486         WITH_GL_PROFILE_ES20
487 )
488
489 if(WITH_GL_PROFILE_COMPAT)
490         set(WITH_GLU ON)
491 else()
492         set(WITH_GLU OFF)
493 endif()
494
495 if(WIN32)
496         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)
497         mark_as_advanced(WITH_GL_ANGLE)
498 endif()
499
500 if(WITH_GLEW_ES AND WITH_SYSTEM_GLEW)
501         message(WARNING Ignoring WITH_SYSTEM_GLEW and using WITH_GLEW_ES)
502         set(WITH_SYSTEM_GLEW OFF)
503 endif()
504
505 if(WIN32)
506         getDefaultWindowsPrefixBase(CMAKE_GENERIC_PROGRAM_FILES)
507         set(CPACK_INSTALL_PREFIX ${CMAKE_GENERIC_PROGRAM_FILES}/${})
508 endif()
509
510 # Experimental support of C11 and C++11
511 #
512 # We default options to whatever default standard in the current compiler.
513 if(APPLE)
514         set(_c11_init ON)
515         set(_cxx11_init ON)
516         set(WITH_C11 ON)
517         set(WITH_CXX11 ON)
518 elseif(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "6.0") AND (NOT WITH_CXX11))
519         set(_c11_init ON)
520         set(_cxx11_init ON)
521 else()
522         set(_c11_init OFF)
523         set(_cxx11_init OFF)
524 endif()
525
526 option(WITH_C11 "Build with C11 standard enabled, for development use only!" ${_c11_init})
527 mark_as_advanced(WITH_C11)
528 option(WITH_CXX11 "Build with C++11 standard enabled, for development use only!" ${_cxx11_init})
529 mark_as_advanced(WITH_CXX11)
530
531 # Compiler toolchain
532 if(CMAKE_COMPILER_IS_GNUCC)
533         option(WITH_LINKER_GOLD "Use ld.gold linker which is usually faster than ld.bfd" ON)
534         mark_as_advanced(WITH_LINKER_GOLD)
535 endif()
536
537 # Dependency graph
538 option(WITH_LEGACY_DEPSGRAPH "Build Blender with legacy dependency graph" ON)
539 mark_as_advanced(WITH_LEGACY_DEPSGRAPH)
540
541 if(WIN32)
542         # Use hardcoded paths or find_package to find externals
543         option(WITH_WINDOWS_FIND_MODULES "Use find_package to locate libraries" OFF)
544         mark_as_advanced(WITH_WINDOWS_FIND_MODULES)
545
546         option(WITH_WINDOWS_CODESIGN "Use signtool to sign the final binary." OFF)
547         mark_as_advanced(WITH_WINDOWS_CODESIGN)
548
549         set(WINDOWS_CODESIGN_PFX CACHE FILEPATH  "Path to pfx file to use for codesigning.")
550         mark_as_advanced(WINDOWS_CODESIGN_PFX)
551
552         set(WINDOWS_CODESIGN_PFX_PASSWORD CACHE STRING  "password for pfx file used for codesigning.")
553         mark_as_advanced(WINDOWS_CODESIGN_PFX_PASSWORD)
554
555         option(WINDOWS_USE_VISUAL_STUDIO_FOLDERS "Organize the visual studio project according to source folders." ON)
556         mark_as_advanced(WINDOWS_USE_VISUAL_STUDIO_FOLDERS)
557 endif()
558
559 # avoid using again
560 option_defaults_clear()
561
562 # end option(...)
563
564
565
566 # By default we want to install to the directory we are compiling our executables
567 # unless specified otherwise, which we currently do not allow
568 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
569         if(WIN32)
570                 set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH}/\${BUILD_TYPE} CACHE PATH "default install path" FORCE)
571         elseif(APPLE)
572                 set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH}/\${BUILD_TYPE} CACHE PATH "default install path" FORCE)
573         else()
574                 if(WITH_INSTALL_PORTABLE)
575                         set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH} CACHE PATH "default install path" FORCE)
576                 endif()
577         endif()
578 endif()
579
580
581
582 # Apple
583
584 if(APPLE)
585         include(platform_apple_xcode)
586 endif()
587
588
589 #-----------------------------------------------------------------------------
590 # Check for conflicting/unsupported configurations
591
592 if(NOT WITH_BLENDER AND NOT WITH_PLAYER AND NOT WITH_CYCLES_STANDALONE)
593         message(FATAL_ERROR
594                 "At least one of WITH_BLENDER or WITH_PLAYER or "
595                 "WITH_CYCLES_STANDALONE must be enabled, nothing to do!"
596         )
597 endif()
598
599 if(NOT WITH_GAMEENGINE AND WITH_PLAYER)
600         message(FATAL_ERROR "WITH_PLAYER requires WITH_GAMEENGINE")
601 endif()
602
603 if(NOT WITH_AUDASPACE)
604         if(WITH_OPENAL)
605                 message(FATAL_ERROR "WITH_OPENAL requires WITH_AUDASPACE")
606         endif()
607         if(WITH_JACK)
608                 message(FATAL_ERROR "WITH_JACK requires WITH_AUDASPACE")
609         endif()
610         if(WITH_GAMEENGINE)
611                 message(FATAL_ERROR "WITH_GAMEENGINE requires WITH_AUDASPACE")
612         endif()
613 endif()
614
615 if(NOT WITH_SDL AND WITH_GHOST_SDL)
616         message(FATAL_ERROR "WITH_GHOST_SDL requires WITH_SDL")
617 endif()
618
619 # python module, needs some different options
620 if(WITH_PYTHON_MODULE AND WITH_PLAYER)
621         message(FATAL_ERROR "WITH_PYTHON_MODULE requires WITH_PLAYER to be OFF")
622 endif()
623
624 if(WITH_PYTHON_MODULE AND WITH_PYTHON_INSTALL)
625         message(FATAL_ERROR "WITH_PYTHON_MODULE requires WITH_PYTHON_INSTALL to be OFF")
626 endif()
627
628
629 # may as well build python module without a UI
630 if(WITH_PYTHON_MODULE)
631         set(WITH_HEADLESS ON)
632 endif()
633
634 if(NOT WITH_PYTHON)
635         set(WITH_CYCLES OFF)
636 endif()
637
638 # enable boost for cycles, audaspace or i18n
639 # otherwise if the user disabled
640 if(NOT WITH_BOOST)
641         # Explicitly disabled. so disable all deps.
642         macro(set_and_warn
643                 _setting _val)
644                 if(${${_setting}})
645                         message(STATUS "'WITH_BOOST' is disabled: forcing 'set(${_setting} ${_val})'")
646                 endif()
647                 set(${_setting} ${_val})
648         endmacro()
649
650         set_and_warn(WITH_CYCLES         OFF)
651         set_and_warn(WITH_AUDASPACE      OFF)
652         set_and_warn(WITH_INTERNATIONAL  OFF)
653         set_and_warn(WITH_OPENVDB        OFF)
654         set_and_warn(WITH_OPENCOLORIO    OFF)
655
656         set_and_warn(WITH_OPENAL         OFF)  # depends on AUDASPACE
657         set_and_warn(WITH_GAMEENGINE     OFF)  # depends on AUDASPACE
658         set_and_warn(WITH_PLAYER         OFF)  # depends on GAMEENGINE
659 elseif(WITH_CYCLES OR WITH_OPENIMAGEIO OR WITH_AUDASPACE OR WITH_INTERNATIONAL OR
660        WITH_OPENVDB OR WITH_OPENCOLORIO)
661         # Keep enabled
662 else()
663         # New dependency graph needs either Boost or C++11 for function bindings.
664         if(NOT WITH_CXX11)
665                 # Enabled but we don't need it
666                 set(WITH_BOOST OFF)
667         endif()
668 endif()
669
670 # auto enable openimageio for cycles
671 if(WITH_CYCLES)
672         set(WITH_OPENIMAGEIO ON)
673
674         # auto enable llvm for cycles_osl
675         if(WITH_CYCLES_OSL)
676                 set(WITH_LLVM ON CACHE BOOL "" FORCE)
677         endif()
678 else()
679         set(WITH_CYCLES_OSL OFF)
680 endif()
681
682 # auto enable openimageio linking dependencies
683 if(WITH_OPENIMAGEIO)
684         set(WITH_IMAGE_OPENEXR ON)
685         set(WITH_IMAGE_TIFF ON)
686 endif()
687
688 # auto enable alembic linking dependencies
689 if(WITH_ALEMBIC)
690         set(WITH_IMAGE_OPENEXR ON)
691 endif()
692
693 # don't store paths to libs for portable distribution
694 if(WITH_INSTALL_PORTABLE)
695         set(CMAKE_SKIP_BUILD_RPATH TRUE)
696 endif()
697
698 if(WITH_GHOST_SDL OR WITH_HEADLESS)
699         set(WITH_X11           OFF)
700         set(WITH_X11_XINPUT    OFF)
701         set(WITH_X11_XF86VMODE OFF)
702         set(WITH_X11_XFIXES    OFF)
703         set(WITH_X11_ALPHA     OFF)
704         set(WITH_GHOST_XDND    OFF)
705         set(WITH_INPUT_IME     OFF)
706 endif()
707
708 if(WITH_CPU_SSE)
709         TEST_SSE_SUPPORT(COMPILER_SSE_FLAG COMPILER_SSE2_FLAG)
710 else()
711         message(STATUS "SSE and SSE2 optimizations are DISABLED!")
712         set(COMPILER_SSE_FLAG)
713         set(COMPILER_SSE2_FLAG)
714 endif()
715
716 if(WITH_BUILDINFO)
717         find_package(Git)
718         if(NOT GIT_FOUND)
719                 message(WARNING "Git was not found, disabling WITH_BUILDINFO")
720                 set(WITH_BUILDINFO OFF)
721         endif()
722 endif()
723
724 TEST_SHARED_PTR_SUPPORT()
725 TEST_UNORDERED_MAP_SUPPORT()
726
727 if(WITH_AUDASPACE)
728         if(WITH_SYSTEM_AUDASPACE)
729                 set(AUDASPACE_DEFINITIONS
730                         -DWITH_AUDASPACE
731                         -DWITH_SYSTEM_AUDASPACE
732                         "-DAUD_DEVICE_H=<AUD_Device.h>"
733                         "-DAUD_SPECIAL_H=<AUD_Special.h>"
734                         "-DAUD_SOUND_H=<AUD_Sound.h>"
735                         "-DAUD_HANDLE_H=<AUD_Handle.h>"
736                         "-DAUD_SEQUENCE_H=<AUD_Sequence.h>"
737                         "-DAUD_TYPES_H=<AUD_Types.h>"
738                         "-DAUD_PYTHON_H=<python/PyAPI.h>"
739                 )
740         else()
741                 set(AUDASPACE_C_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/intern/audaspace/intern")
742                 set(AUDASPACE_PY_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/intern/audaspace/intern")
743                 set(AUDASPACE_DEFINITIONS
744                         -DWITH_AUDASPACE
745                         "-DAUD_DEVICE_H=<AUD_C-API.h>"
746                         "-DAUD_SPECIAL_H=<AUD_C-API.h>"
747                         "-DAUD_SOUND_H=<AUD_C-API.h>"
748                         "-DAUD_HANDLE_H=<AUD_C-API.h>"
749                         "-DAUD_SEQUENCE_H=<AUD_C-API.h>"
750                         "-DAUD_TYPES_H=<AUD_Space.h>"
751                 )
752         endif()
753 endif()
754
755 # Auto-enable CUDA dynload if toolkit is not found.
756 if(NOT WITH_CUDA_DYNLOAD)
757         find_package(CUDA)
758         if (NOT CUDA_FOUND)
759                 message("CUDA toolkit not found, using dynamic runtime loading of libraries instead")
760                 set(WITH_CUDA_DYNLOAD ON)
761         endif()
762 endif()
763
764 #-----------------------------------------------------------------------------
765 # Check for valid directories
766 # ... a partial checkout may cause this.
767 #
768 # note: we need to check for a known subdir in both cases.
769 #       since uninitialized git submodules will give blank dirs
770
771 if(WITH_INTERNATIONAL)
772         if(NOT EXISTS "${CMAKE_SOURCE_DIR}/release/datafiles/locale/languages")
773                 message(WARNING
774                         "Translation path '${CMAKE_SOURCE_DIR}/release/datafiles/locale' is missing, "
775                         "This is a 'git submodule', which are known not to work with bridges to other version "
776                         "control systems, disabling 'WITH_INTERNATIONAL'."
777                 )
778                 set(WITH_INTERNATIONAL OFF)
779         endif()
780 endif()
781
782 if(WITH_PYTHON)
783         # While we have this as an '#error' in 'bpy_capi_utils.h',
784         # upgrading Python tends to cause confusion for users who build.
785         # Give the error message early to make this more obvious.
786         #
787         # Do this before main 'platform_*' checks,
788         # because UNIX will search for the old Python paths which may not exist.
789         # giving errors about missing paths before this case is met.
790         if(DEFINED PYTHON_VERSION AND "${PYTHON_VERSION}" VERSION_LESS "3.6")
791                 message(FATAL_ERROR "At least Python 3.6 is required to build")
792         endif()
793
794         if(NOT EXISTS "${CMAKE_SOURCE_DIR}/release/scripts/addons/modules")
795                 message(WARNING
796                         "Addons path '${CMAKE_SOURCE_DIR}/release/scripts/addons' is missing, "
797                         "This is a 'git submodule', which are known not to work with bridges to other version "
798                         "control systems: * CONTINUING WITHOUT ADDONS *"
799                 )
800         endif()
801 endif()
802
803 #-----------------------------------------------------------------------------
804 # Initialize un-cached vars, avoid unused warning
805
806 # linux only, not cached
807 set(WITH_BINRELOC OFF)
808
809 # MACOSX only, set to avoid uninitialized
810 set(EXETYPE "")
811
812 # C/C++ flags
813 set(PLATFORM_CFLAGS)
814
815 # these are added to later on.
816 set(C_WARNINGS)
817 set(CXX_WARNINGS)
818
819 # for gcc -Wno-blah-blah
820 set(CC_REMOVE_STRICT_FLAGS)
821
822 # libraries to link the binary with passed to target_link_libraries()
823 # known as LLIBS to scons
824 set(PLATFORM_LINKLIBS "")
825
826 # Added to linker flags in setup_liblinks
827 # - CMAKE_EXE_LINKER_FLAGS
828 # - CMAKE_EXE_LINKER_FLAGS_DEBUG
829 set(PLATFORM_LINKFLAGS "")
830 set(PLATFORM_LINKFLAGS_DEBUG "")
831
832
833 #-----------------------------------------------------------------------------
834 #Platform specifics
835
836 if(WITH_X11)
837         find_package(X11 REQUIRED)
838
839         find_path(X11_XF86keysym_INCLUDE_PATH X11/XF86keysym.h ${X11_INC_SEARCH_PATH})
840         mark_as_advanced(X11_XF86keysym_INCLUDE_PATH)
841
842         list(APPEND PLATFORM_LINKLIBS ${X11_X11_LIB})
843
844         if(WITH_X11_XINPUT)
845                 if(X11_Xinput_LIB)
846                         list(APPEND PLATFORM_LINKLIBS ${X11_Xinput_LIB})
847                 else()
848                         set(WITH_X11_XINPUT OFF)
849                 endif()
850         endif()
851
852         if(WITH_X11_XF86VMODE)
853                 # XXX, why dont cmake make this available?
854                 find_library(X11_Xxf86vmode_LIB Xxf86vm   ${X11_LIB_SEARCH_PATH})
855                 mark_as_advanced(X11_Xxf86vmode_LIB)
856                 if(X11_Xxf86vmode_LIB)
857                         list(APPEND PLATFORM_LINKLIBS ${X11_Xxf86vmode_LIB})
858                 else()
859                         set(WITH_X11_XF86VMODE OFF)
860                 endif()
861         endif()
862
863         if(WITH_X11_XFIXES)
864                 if(X11_Xfixes_LIB)
865                         list(APPEND PLATFORM_LINKLIBS ${X11_Xfixes_LIB})
866                 else()
867                         set(WITH_X11_XFIXES OFF)
868                 endif()
869         endif()
870
871         if(WITH_X11_ALPHA)
872                 find_library(X11_Xrender_LIB Xrender  ${X11_LIB_SEARCH_PATH})
873                 mark_as_advanced(X11_Xrender_LIB)
874                 if(X11_Xrender_LIB)
875                         list(APPEND PLATFORM_LINKLIBS ${X11_Xrender_LIB})
876                 else()
877                         set(WITH_X11_ALPHA OFF)
878                 endif()
879         endif()
880
881 endif()
882
883
884 # ----------------------------------------------------------------------------
885 # Main Platform Checks
886 #
887 # - UNIX
888 # - WIN32
889 # - APPLE
890
891 if(UNIX AND NOT APPLE)
892         include(platform_unix)
893 elseif(WIN32)
894         include(platform_win32)
895 elseif(APPLE)
896         include(platform_apple)
897 endif()
898
899 #-----------------------------------------------------------------------------
900 # Common.
901
902 if(NOT WITH_FFTW3 AND WITH_MOD_OCEANSIM)
903         message(FATAL_ERROR "WITH_MOD_OCEANSIM requires WITH_FFTW3 to be ON")
904 endif()
905
906 if(WITH_CYCLES)
907         if(NOT WITH_OPENIMAGEIO)
908                 message(FATAL_ERROR
909                         "Cycles requires WITH_OPENIMAGEIO, the library may not have been found. "
910                         "Configure OIIO or disable WITH_CYCLES"
911                 )
912         endif()
913         if(NOT WITH_BOOST)
914                 message(FATAL_ERROR
915                         "Cycles requires WITH_BOOST, the library may not have been found. "
916                         "Configure BOOST or disable WITH_CYCLES"
917                 )
918         endif()
919
920         if(WITH_CYCLES_OSL)
921                 if(NOT WITH_LLVM)
922                         message(FATAL_ERROR
923                                 "Cycles OSL requires WITH_LLVM, the library may not have been found. "
924                                 "Configure LLVM or disable WITH_CYCLES_OSL"
925                         )
926                 endif()
927         endif()
928 endif()
929
930 if(WITH_INTERNATIONAL)
931         if(NOT WITH_BOOST)
932                 message(FATAL_ERROR
933                         "Internationalization requires WITH_BOOST, the library may not have been found. "
934                         "Configure BOOST or disable WITH_INTERNATIONAL"
935                 )
936         endif()
937 endif()
938
939 # See TEST_SSE_SUPPORT() for how this is defined.
940
941 # Do it globally, SSE2 is required for quite some time now.
942 # Doing it now allows to use SSE/SSE2 in inline headers.
943 if(SUPPORT_SSE_BUILD)
944         set(PLATFORM_CFLAGS " ${COMPILER_SSE_FLAG} ${PLATFORM_CFLAGS}")
945         add_definitions(-D__SSE__ -D__MMX__)
946 endif()
947 if(SUPPORT_SSE2_BUILD)
948         set(PLATFORM_CFLAGS " ${PLATFORM_CFLAGS} ${COMPILER_SSE2_FLAG}")
949         add_definitions(-D__SSE2__)
950         if(NOT SUPPORT_SSE_BUILD) # dont double up
951                 add_definitions(-D__MMX__)
952         endif()
953 endif()
954
955
956 # set the endian define
957 if(MSVC)
958         # for some reason this fails on msvc
959         add_definitions(-D__LITTLE_ENDIAN__)
960
961 # OSX-Note: as we do cross-compiling with specific set architecture,
962 # endianess-detection and auto-setting is counterproductive
963 # so we just set endianess according CMAKE_OSX_ARCHITECTURES
964
965 elseif(CMAKE_OSX_ARCHITECTURES MATCHES i386 OR CMAKE_OSX_ARCHITECTURES MATCHES x86_64)
966         add_definitions(-D__LITTLE_ENDIAN__)
967 elseif(CMAKE_OSX_ARCHITECTURES MATCHES ppc OR CMAKE_OSX_ARCHITECTURES MATCHES ppc64)
968         add_definitions(-D__BIG_ENDIAN__)
969
970 else()
971         include(TestBigEndian)
972         test_big_endian(_SYSTEM_BIG_ENDIAN)
973         if(_SYSTEM_BIG_ENDIAN)
974                 add_definitions(-D__BIG_ENDIAN__)
975         else()
976                 add_definitions(-D__LITTLE_ENDIAN__)
977         endif()
978         unset(_SYSTEM_BIG_ENDIAN)
979 endif()
980 if(WITH_IMAGE_OPENJPEG)
981         if(WITH_SYSTEM_OPENJPEG)
982                 # dealt with above
983                 set(OPENJPEG_DEFINES "")
984         else()
985                 set(OPENJPEG_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/libopenjpeg")
986                 set(OPENJPEG_DEFINES "-DOPJ_STATIC")
987         endif()
988         # Special handling of Windows platform where openjpeg is always static.
989         if(WIN32)
990                 set(OPENJPEG_DEFINES "-DOPJ_STATIC")
991         endif()
992 endif()
993
994 if(NOT WITH_SYSTEM_EIGEN3)
995         set(EIGEN3_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/Eigen3)
996 endif()
997
998 #-----------------------------------------------------------------------------
999 # Configure OpenGL.
1000
1001 find_package(OpenGL)
1002 blender_include_dirs_sys("${OPENGL_INCLUDE_DIR}")
1003
1004 if(WITH_GLU)
1005         list(APPEND BLENDER_GL_LIBRARIES "${OPENGL_glu_LIBRARY}")
1006         list(APPEND GL_DEFINITIONS -DWITH_GLU)
1007 endif()
1008
1009 if(WITH_SYSTEM_GLES)
1010         find_package_wrapper(OpenGLES)
1011 endif()
1012
1013 if(WITH_GL_PROFILE_COMPAT OR WITH_GL_PROFILE_CORE)
1014         list(APPEND BLENDER_GL_LIBRARIES "${OPENGL_gl_LIBRARY}")
1015
1016 elseif(WITH_GL_PROFILE_ES20)
1017         if(WITH_SYSTEM_GLES)
1018                 if(NOT OPENGLES_LIBRARY)
1019                         message(FATAL_ERROR
1020                                 "Unable to find OpenGL ES libraries. "
1021                                 "Install them or disable WITH_SYSTEM_GLES."
1022                         )
1023                 endif()
1024
1025                 list(APPEND BLENDER_GL_LIBRARIES OPENGLES_LIBRARY)
1026
1027         else()
1028                 set(OPENGLES_LIBRARY "" CACHE FILEPATH "OpenGL ES 2.0 library file")
1029                 mark_as_advanced(OPENGLES_LIBRARY)
1030
1031                 list(APPEND BLENDER_GL_LIBRARIES "${OPENGLES_LIBRARY}")
1032
1033                 if(NOT OPENGLES_LIBRARY)
1034                         message(FATAL_ERROR
1035                                 "To compile WITH_GL_EGL you need to set OPENGLES_LIBRARY "
1036                                 "to the file path of an OpenGL ES 2.0 library."
1037                         )
1038                 endif()
1039
1040         endif()
1041
1042         if(WIN32)
1043                 # Setup paths to files needed to install and redistribute Windows Blender with OpenGL ES
1044
1045                 set(OPENGLES_DLL "" CACHE FILEPATH "OpenGL ES 2.0 redistributable DLL file")
1046                 mark_as_advanced(OPENGLES_DLL)
1047
1048                 if(NOT OPENGLES_DLL)
1049                         message(FATAL_ERROR
1050                                 "To compile WITH_GL_PROFILE_ES20 you need to set OPENGLES_DLL to the file "
1051                                 "path of an OpenGL ES 2.0 runtime dynamic link library (DLL)."
1052                         )
1053                 endif()
1054
1055                 if(WITH_GL_ANGLE)
1056                         list(APPEND GL_DEFINITIONS -DWITH_ANGLE)
1057
1058                         set(D3DCOMPILER_DLL "" CACHE FILEPATH "Direct3D Compiler redistributable DLL file (needed by ANGLE)")
1059
1060                         get_filename_component(D3DCOMPILER_FILENAME "${D3DCOMPILER_DLL}" NAME)
1061                         list(APPEND GL_DEFINITIONS "-DD3DCOMPILER=\"\\\"${D3DCOMPILER_FILENAME}\\\"\"")
1062
1063                         mark_as_advanced(D3DCOMPILER_DLL)
1064
1065                         if(D3DCOMPILER_DLL STREQUAL "")
1066                                 message(FATAL_ERROR
1067                                         "To compile WITH_GL_ANGLE you need to set D3DCOMPILER_DLL to the file "
1068                                         "path of a copy of the DirectX redistributable DLL file: D3DCompiler_46.dll"
1069                                 )
1070                         endif()
1071
1072                 endif()
1073
1074         endif()
1075
1076 endif()
1077
1078 if(WITH_GL_EGL)
1079         list(APPEND GL_DEFINITIONS -DWITH_GL_EGL)
1080
1081         if(WITH_SYSTEM_GLES)
1082                 if(NOT OPENGLES_EGL_LIBRARY)
1083                         message(FATAL_ERROR
1084                                 "Unable to find OpenGL ES libraries. "
1085                                 "Install them or disable WITH_SYSTEM_GLES."
1086                         )
1087                 endif()
1088
1089                 list(APPEND BLENDER_GL_LIBRARIES OPENGLES_EGL_LIBRARY)
1090
1091         else()
1092                 set(OPENGLES_EGL_LIBRARY "" CACHE FILEPATH "EGL library file")
1093                 mark_as_advanced(OPENGLES_EGL_LIBRARY)
1094
1095                 list(APPEND BLENDER_GL_LIBRARIES "${OPENGLES_LIBRARY}" "${OPENGLES_EGL_LIBRARY}")
1096
1097                 if(NOT OPENGLES_EGL_LIBRARY)
1098                         message(FATAL_ERROR
1099                                 "To compile WITH_GL_EGL you need to set OPENGLES_EGL_LIBRARY "
1100                                 "to the file path of an EGL library."
1101                         )
1102                 endif()
1103
1104         endif()
1105
1106         if(WIN32)
1107                 # Setup paths to files needed to install and redistribute Windows Blender with OpenGL ES
1108
1109                 set(OPENGLES_EGL_DLL "" CACHE FILEPATH "EGL redistributable DLL file")
1110                 mark_as_advanced(OPENGLES_EGL_DLL)
1111
1112                 if(NOT OPENGLES_EGL_DLL)
1113                         message(FATAL_ERROR
1114                                 "To compile WITH_GL_EGL you need to set OPENGLES_EGL_DLL "
1115                                 "to the file path of an EGL runtime dynamic link library (DLL)."
1116                         )
1117                 endif()
1118
1119         endif()
1120
1121 endif()
1122
1123 if(WITH_GL_PROFILE_COMPAT)
1124         list(APPEND GL_DEFINITIONS -DWITH_GL_PROFILE_COMPAT)
1125 endif()
1126
1127 if(WITH_GL_PROFILE_CORE)
1128         list(APPEND GL_DEFINITIONS -DWITH_GL_PROFILE_CORE)
1129 endif()
1130
1131 if(WITH_GL_PROFILE_ES20)
1132         list(APPEND GL_DEFINITIONS -DWITH_GL_PROFILE_ES20)
1133 endif()
1134
1135 if(WITH_GL_EGL)
1136         list(APPEND GL_DEFINITIONS -DWITH_EGL)
1137 endif()
1138
1139 #-----------------------------------------------------------------------------
1140 # Configure OpenMP.
1141 if(WITH_OPENMP)
1142         find_package(OpenMP)
1143         if(OPENMP_FOUND)
1144                 if(NOT WITH_OPENMP_STATIC)
1145                         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
1146                         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
1147                 else()
1148                         # Typically avoid adding flags as defines but we can't
1149                         # pass OpenMP flags to the linker for static builds, meaning
1150                         # we can't add any OpenMP related flags to CFLAGS variables
1151                         # since they're passed to the linker as well.
1152                         add_definitions("${OpenMP_C_FLAGS}")
1153
1154                         find_library_static(OpenMP_LIBRARIES gomp ${CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES})
1155                 endif()
1156         else()
1157                 set(WITH_OPENMP OFF)
1158         endif()
1159
1160         mark_as_advanced(
1161                 OpenMP_C_FLAGS
1162                 OpenMP_CXX_FLAGS
1163         )
1164 endif()
1165
1166 #-----------------------------------------------------------------------------
1167 # Configure GLEW
1168
1169 if(WITH_GLEW_MX)
1170         list(APPEND GL_DEFINITIONS -DWITH_GLEW_MX)
1171 endif()
1172
1173 if(WITH_SYSTEM_GLEW)
1174         find_package(GLEW)
1175
1176         # Note: There is an assumption here that the system GLEW is not a static library.
1177
1178         if(NOT GLEW_FOUND)
1179                 message(FATAL_ERROR "GLEW is required to build Blender. Install it or disable WITH_SYSTEM_GLEW.")
1180         endif()
1181
1182         if(WITH_GLEW_MX)
1183                 set(BLENDER_GLEW_LIBRARIES ${GLEW_MX_LIBRARY})
1184         else()
1185                 set(BLENDER_GLEW_LIBRARIES ${GLEW_LIBRARY})
1186         endif()
1187 else()
1188         if(WITH_GLEW_ES)
1189                 set(GLEW_INCLUDE_PATH "${CMAKE_SOURCE_DIR}/extern/glew-es/include")
1190
1191                 list(APPEND GL_DEFINITIONS -DGLEW_STATIC -DWITH_GLEW_ES)
1192
1193                 # These definitions remove APIs from glew.h, making GLEW smaller, and catching unguarded API usage
1194                 if(NOT WITH_GL_PROFILE_ES20)
1195                         # No ES functions are needed
1196                         list(APPEND GL_DEFINITIONS -DGLEW_NO_ES)
1197                 elseif(NOT (WITH_GL_PROFILE_CORE OR WITH_GL_PROFILE_COMPAT))
1198                         # ES is enabled, but the other functions are all disabled
1199                         list(APPEND GL_DEFINITIONS -DGLEW_ES_ONLY)
1200                 endif()
1201
1202                 if(WITH_GL_PROFILE_ES20)
1203                         if(WITH_GL_EGL)
1204                                 list(APPEND GL_DEFINITIONS -DGLEW_USE_LIB_ES20)
1205                         endif()
1206
1207                         # ToDo: This is an experiment to eliminate ES 1 symbols,
1208                         # GLEW doesn't really properly provide this level of control
1209                         # (for example, without modification it eliminates too many symbols)
1210                         # so there are lots of modifications to GLEW to make this work,
1211                         # and no attempt to make it work beyond Blender at this point.
1212                         list(APPEND GL_DEFINITIONS -DGL_ES_VERSION_1_0=0 -DGL_ES_VERSION_CL_1_1=0 -DGL_ES_VERSION_CM_1_1=0)
1213                 endif()
1214
1215                 if(WITH_GL_EGL)
1216                         list(APPEND GL_DEFINITIONS -DGLEW_INC_EGL)
1217                 endif()
1218
1219                 set(BLENDER_GLEW_LIBRARIES extern_glew_es bf_intern_glew_mx)
1220
1221         else()
1222                 set(GLEW_INCLUDE_PATH "${CMAKE_SOURCE_DIR}/extern/glew/include")
1223
1224                 list(APPEND GL_DEFINITIONS -DGLEW_STATIC)
1225
1226                 # This won't affect the non-experimental glew library, 
1227                 # but is used for conditional compilation elsewhere.
1228                 list(APPEND GL_DEFINITIONS -DGLEW_NO_ES)
1229
1230                 set(BLENDER_GLEW_LIBRARIES extern_glew)
1231
1232         endif()
1233
1234 endif()
1235
1236 if(NOT WITH_GLU)
1237         list(APPEND GL_DEFINITIONS -DGLEW_NO_GLU)
1238 endif()
1239
1240 #-----------------------------------------------------------------------------
1241 # Configure Bullet
1242
1243 if(WITH_BULLET AND WITH_SYSTEM_BULLET)
1244         find_package(Bullet)
1245         if(NOT BULLET_FOUND)
1246                 set(WITH_BULLET OFF)
1247         endif()
1248 else()
1249         set(BULLET_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/bullet2/src")
1250         # set(BULLET_LIBRARIES "")
1251 endif()
1252
1253 #-----------------------------------------------------------------------------
1254 # Configure Python.
1255
1256 if(WITH_PYTHON_MODULE)
1257         add_definitions(-DPy_ENABLE_SHARED)
1258 endif()
1259
1260 #-----------------------------------------------------------------------------
1261 # Configure GLog/GFlags
1262
1263 if(WITH_LIBMV OR WITH_GTESTS OR (WITH_CYCLES AND WITH_CYCLES_LOGGING))
1264         if(WITH_SYSTEM_GFLAGS)
1265                 find_package(Gflags)
1266                 if(NOT GFLAGS_FOUND)
1267                         message(FATAL_ERROR "System wide Gflags is requested but was not found")
1268                 endif()
1269                 # FindGflags does not define this, and we are not even sure what to use here.
1270                 set(GFLAGS_DEFINES)
1271         else()
1272                 set(GFLAGS_DEFINES
1273                         -DGFLAGS_DLL_DEFINE_FLAG=
1274                         -DGFLAGS_DLL_DECLARE_FLAG=
1275                         -DGFLAGS_DLL_DECL=
1276                 )
1277                 set(GFLAGS_NAMESPACE "gflags")
1278                 set(GFLAGS_LIBRARIES extern_gflags)
1279                 set(GFLAGS_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/extern/gflags/src")
1280         endif()
1281
1282         if(WITH_SYSTEM_GLOG)
1283                 find_package(Glog)
1284                 if(NOT GLOG_FOUND)
1285                         message(FATAL_ERROR "System wide Glog is requested but was not found")
1286                 endif()
1287                 # FindGlog does not define this, and we are not even sure what to use here.
1288                 set(GLOG_DEFINES)
1289         else()
1290                 set(GLOG_DEFINES
1291                         -DGOOGLE_GLOG_DLL_DECL=
1292                 )
1293                 set(GLOG_LIBRARIES extern_glog)
1294                 if(WIN32)
1295                         set(GLOG_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/glog/src/windows)
1296                 else()
1297                         set(GLOG_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/glog/src)
1298                 endif()
1299         endif()
1300 endif()
1301
1302 #-----------------------------------------------------------------------------
1303 # Configure Ceres
1304
1305 if(WITH_LIBMV)
1306         set(CERES_DEFINES)
1307
1308         if(WITH_CXX11)
1309                 # nothing to be done
1310         elseif(SHARED_PTR_FOUND)
1311                 if(SHARED_PTR_TR1_MEMORY_HEADER)
1312                         list(APPEND CERES_DEFINES -DCERES_TR1_MEMORY_HEADER)
1313                 endif()
1314                 if(SHARED_PTR_TR1_NAMESPACE)
1315                         list(APPEND CERES_DEFINES -DCERES_TR1_SHARED_PTR)
1316                 endif()
1317         else()
1318                 message(FATAL_ERROR "Ceres: Unable to find shared_ptr.")
1319         endif()
1320
1321         if(WITH_CXX11)
1322                 list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP)
1323         elseif(HAVE_STD_UNORDERED_MAP_HEADER)
1324                 if(HAVE_UNORDERED_MAP_IN_STD_NAMESPACE)
1325                         list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP)
1326                 else()
1327                         if(HAVE_UNORDERED_MAP_IN_TR1_NAMESPACE)
1328                                 list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP_IN_TR1_NAMESPACE)
1329                         else()
1330                                 list(APPEND CERES_DEFINES -DCERES_NO_UNORDERED_MAP)
1331                                 message(STATUS "Ceres: Replacing unordered_map/set with map/set (warning: slower!)")
1332                         endif()
1333                 endif()
1334         else()
1335                 if(HAVE_UNORDERED_MAP_IN_TR1_NAMESPACE)
1336                         list(APPEND CERES_DEFINES -DCERES_TR1_UNORDERED_MAP)
1337                 else()
1338                         list(APPEND CERES_DEFINES -DCERES_NO_UNORDERED_MAP)
1339                         message(STATUS "Ceres: Replacing unordered_map/set with map/set (warning: slower!)")
1340                 endif()
1341         endif()
1342 endif()
1343
1344 #-----------------------------------------------------------------------------
1345 # Extra compile flags
1346
1347 if(CMAKE_COMPILER_IS_GNUCC)
1348
1349         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
1350         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_CAST_ALIGN -Wcast-align)
1351         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
1352         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
1353         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_VLA -Werror=vla)
1354         # system headers sometimes do this, disable for now, was: -Werror=strict-prototypes
1355         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_STRICT_PROTOTYPES  -Wstrict-prototypes)
1356         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_PROTOTYPES -Wmissing-prototypes)
1357         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
1358         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1359         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_POINTER_ARITH -Wpointer-arith)
1360         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_PARAMETER -Wunused-parameter)
1361         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_WRITE_STRINGS -Wwrite-strings)
1362         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_LOGICAL_OP -Wlogical-op)
1363         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNDEF -Wundef)
1364         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_INIT_SELF -Winit-self)  # needs -Wuninitialized
1365         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_NULL -Wnonnull)  # C only
1366         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
1367         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
1368         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_TYPE_LIMITS -Wtype-limits)
1369         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_FORMAT_SIGN -Wformat-signedness)
1370         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_RESTRICT -Wrestrict)
1371
1372         # gcc 4.2 gives annoying warnings on every file with this
1373         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.3")
1374                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNINITIALIZED -Wuninitialized)
1375         endif()
1376
1377         # versions before gcc4.6 give many BLI_math warnings
1378         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.6")
1379                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_REDUNDANT_DECLS       -Wredundant-decls)
1380                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_REDUNDANT_DECLS -Wredundant-decls)
1381         endif()
1382
1383         # versions before gcc4.8 include global name-space.
1384         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.8")
1385                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_SHADOW -Wshadow)
1386         endif()
1387
1388         # disable because it gives warnings for printf() & friends.
1389         # ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_DOUBLE_PROMOTION -Wdouble-promotion -Wno-error=double-promotion)
1390
1391         if(NOT APPLE)
1392                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)
1393         endif()
1394
1395         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
1396         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF -Wno-invalid-offsetof)
1397         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE -Wno-sign-compare)
1398         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_LOGICAL_OP -Wlogical-op)
1399         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_INIT_SELF -Winit-self)  # needs -Wuninitialized
1400         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
1401         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
1402         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_TYPE_LIMITS -Wtype-limits)
1403         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
1404         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
1405         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
1406         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1407         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_POINTER_ARITH -Wpointer-arith)
1408         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNUSED_PARAMETER -Wunused-parameter)
1409         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_WRITE_STRINGS -Wwrite-strings)
1410         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)
1411         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_FORMAT_SIGN -Wformat-signedness)
1412         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_RESTRICT -Wrestrict)
1413
1414         # gcc 4.2 gives annoying warnings on every file with this
1415         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.3")
1416                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)
1417         endif()
1418
1419         # causes too many warnings
1420         if(NOT APPLE)
1421                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)
1422                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_MISSING_DECLARATIONS -Wmissing-declarations)
1423         endif()
1424
1425         # Use 'ATTR_FALLTHROUGH' macro to suppress.
1426         if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "7.0"))
1427                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)
1428                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)
1429         endif()
1430
1431         # flags to undo strict flags
1432         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_DEPRECATED_DECLARATIONS -Wno-deprecated-declarations)
1433         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_PARAMETER        -Wno-unused-parameter)
1434
1435         if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "7.0"))
1436                 ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_IMPLICIT_FALLTHROUGH    -Wno-implicit-fallthrough)
1437         endif()
1438
1439         if(NOT APPLE)
1440                 ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)
1441         endif()
1442
1443 elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
1444
1445         # strange, clang complains these are not supported, but then uses them.
1446         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
1447         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
1448         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
1449         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_AUTOLOGICAL_COMPARE -Wno-tautological-compare)
1450         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1451         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
1452         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_STRICT_PROTOTYPES  -Wstrict-prototypes)
1453         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_PROTOTYPES -Wmissing-prototypes)
1454         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_PARAMETER -Wunused-parameter)
1455
1456         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
1457         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_AUTOLOGICAL_COMPARE -Wno-tautological-compare)
1458         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_UNKNOWN_PRAGMAS     -Wno-unknown-pragmas)
1459         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_CHAR_SUBSCRIPTS     -Wno-char-subscripts)
1460         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.
1461         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE        -Wno-sign-compare)
1462         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF    -Wno-invalid-offsetof)
1463
1464         # gives too many unfixable warnings
1465         # ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_MACROS      -Wunused-macros)
1466         # ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNUSED_MACROS          -Wunused-macros)
1467
1468         # flags to undo strict flags
1469         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_PARAMETER -Wno-unused-parameter)
1470         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_MACROS    -Wno-unused-macros)
1471
1472         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_VARIABLE_DECLARATIONS -Wno-missing-variable-declarations)
1473         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_INCOMPAT_PTR_DISCARD_QUAL -Wno-incompatible-pointer-types-discards-qualifiers)
1474         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_FUNCTION -Wno-unused-function)
1475         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_INT_TO_VOID_POINTER_CAST -Wno-int-to-void-pointer-cast)
1476         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_PROTOTYPES -Wno-missing-prototypes)
1477         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_DUPLICATE_ENUM -Wno-duplicate-enum)
1478         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNDEF -Wno-undef)
1479         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_NORETURN -Wno-missing-noreturn)
1480
1481         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_PRIVATE_FIELD -Wno-unused-private-field)
1482         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_CXX11_NARROWING -Wno-c++11-narrowing)
1483         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_NON_VIRTUAL_DTOR -Wno-non-virtual-dtor)
1484         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_MACROS -Wno-unused-macros)
1485         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_REORDER -Wno-reorder)
1486
1487 elseif(CMAKE_C_COMPILER_ID MATCHES "Intel")
1488
1489         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
1490         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_POINTER_ARITH -Wpointer-arith)
1491         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1492
1493         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
1494         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF -Wno-invalid-offsetof)
1495         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE -Wno-sign-compare)
1496
1497         # disable numbered, false positives
1498         set(C_WARNINGS "${C_WARNINGS} -wd188,186,144,913,556")
1499         set(CXX_WARNINGS "${CXX_WARNINGS} -wd188,186,144,913,556")
1500 elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
1501         # most msvc warnings are C & C++
1502         set(_WARNINGS
1503                 # warning level:
1504                 "/W3"
1505                 "/w34062"  # switch statement contains 'default' but no 'case' labels
1506                 # disable:
1507                 "/wd4018"  # signed/unsigned mismatch
1508                 "/wd4146"  # unary minus operator applied to unsigned type, result still unsigned
1509                 "/wd4065"  # switch statement contains 'default' but no 'case' labels
1510                 "/wd4127"  # conditional expression is constant
1511                 "/wd4181"  # qualifier applied to reference type; ignored
1512                 "/wd4200"  # zero-sized array in struct/union
1513                 "/wd4244"  # conversion from 'type1' to 'type2', possible loss of data
1514                 "/wd4267"  # conversion from 'size_t' to 'type', possible loss of data
1515                 "/wd4305"  # truncation from 'type1' to 'type2'
1516                 "/wd4800"  # forcing value to bool 'true' or 'false'
1517                 # errors:
1518                 "/we4013"  # 'function' undefined; assuming extern returning int
1519                 "/we4133"  # incompatible pointer types
1520                 "/we4431"  # missing type specifier - int assumed
1521         )
1522
1523         string(REPLACE ";" " " _WARNINGS "${_WARNINGS}")
1524         set(C_WARNINGS "${_WARNINGS}")
1525         set(CXX_WARNINGS "${_WARNINGS}")
1526         unset(_WARNINGS)
1527 endif()
1528
1529 # ensure python header is found since detection can fail, this could happen
1530 # with _any_ library but since we used a fixed python version this tends to
1531 # be most problematic.
1532 if(WITH_PYTHON)
1533         if(NOT EXISTS "${PYTHON_INCLUDE_DIR}/Python.h")
1534                 message(FATAL_ERROR
1535                         "Missing: \"${PYTHON_INCLUDE_DIR}/Python.h\",\n"
1536                         "Set the cache entry 'PYTHON_INCLUDE_DIR' to point "
1537                         "to a valid python include path. Containing "
1538                         "Python.h for python version \"${PYTHON_VERSION}\""
1539                 )
1540         endif()
1541
1542         if(WIN32 OR APPLE)
1543                 # pass, we have this in an archive to extract
1544         elseif(WITH_PYTHON_INSTALL AND WITH_PYTHON_INSTALL_NUMPY)
1545                 find_python_package(numpy)
1546         endif()
1547
1548         if(WIN32 OR APPLE)
1549                 # pass, we have this in lib/python/site-packages
1550         elseif(WITH_PYTHON_INSTALL_REQUESTS)
1551                 find_python_package(requests)
1552         endif()
1553 endif()
1554
1555 if(WITH_CXX11)
1556         if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
1557                 # TODO(sergey): Do we want c++11 or gnu-c++11 here?
1558                 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
1559         elseif(MSVC)
1560                 # Nothing special is needed, C++11 features are available by default.
1561         else()
1562                 message(FATAL_ERROR "Compiler ${CMAKE_C_COMPILER_ID} is not supported for C++11 build yet")
1563         endif()
1564 else()
1565         # GCC-6 switched to C++11 by default, which would break linking with existing libraries
1566         # by default. So we explicitly disable C++11 for a new GCC so no linking issues happens.
1567         if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "6.0"))
1568                 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++98")
1569                 # We also disable any of C++11 ABI from usage, so we wouldn't even try to
1570                 # link to stuff from std::__cxx11 namespace.
1571                 add_definitions("-D_GLIBCXX_USE_CXX11_ABI=0")
1572         endif()
1573 endif()
1574
1575 # Visual Studio has all standards it supports available by default
1576 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_C_COMPILER_ID MATCHES "Intel")
1577         # Use C99 + GNU extensions, works with GCC, Clang, ICC
1578         if(WITH_C11)
1579                 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
1580         else()
1581                 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
1582         endif()
1583 endif()
1584
1585 # Include warnings first, so its possible to disable them with user defined flags
1586 # eg: -Wno-uninitialized
1587 set(CMAKE_C_FLAGS "${C_WARNINGS} ${CMAKE_C_FLAGS} ${PLATFORM_CFLAGS}")
1588 set(CMAKE_CXX_FLAGS "${CXX_WARNINGS} ${CMAKE_CXX_FLAGS} ${PLATFORM_CFLAGS}")
1589
1590 # defined above, platform specific but shared names
1591 mark_as_advanced(
1592         CYCLES_OSL
1593         OSL_LIB_EXEC
1594         OSL_COMPILER
1595         OSL_LIB_COMP
1596         OSL_LIB_QUERY
1597         OSL_INCLUDE_DIR
1598 )
1599
1600 mark_as_advanced(
1601         LLVM_CONFIG
1602         LLVM_ROOT_DIR
1603         LLVM_LIBRARY
1604         LLVM_VERSION
1605 )
1606
1607 #-------------------------------------------------------------------------------
1608 # Global Defines
1609
1610 # better not set includes here but this debugging option is off by default.
1611 if(WITH_CXX_GUARDEDALLOC)
1612         include_directories(${CMAKE_SOURCE_DIR}/intern/guardedalloc)
1613         add_definitions(-DWITH_CXX_GUARDEDALLOC)
1614 endif()
1615
1616 if(WITH_ASSERT_ABORT)
1617         add_definitions(-DWITH_ASSERT_ABORT)
1618 endif()
1619
1620 # message(STATUS "Using CFLAGS: ${CMAKE_C_FLAGS}")
1621 # message(STATUS "Using CXXFLAGS: ${CMAKE_CXX_FLAGS}")
1622
1623 #-----------------------------------------------------------------------------
1624 # Libraries
1625
1626 if(WITH_GTESTS)
1627         include(GTestTesting)
1628 endif()
1629
1630 if(WITH_BLENDER OR WITH_PLAYER)
1631         add_subdirectory(intern)
1632         add_subdirectory(extern)
1633
1634         # source after intern and extern to gather all
1635         # internal and external library information first, for test linking
1636         add_subdirectory(source)
1637 elseif(WITH_CYCLES_STANDALONE)
1638         add_subdirectory(intern/cycles)
1639         add_subdirectory(extern/clew)
1640         if(WITH_CUDA_DYNLOAD)
1641                 add_subdirectory(extern/cuew)
1642         endif()
1643         if(NOT WITH_SYSTEM_GLEW)
1644                 add_subdirectory(extern/glew)
1645         endif()
1646 endif()
1647
1648 #-----------------------------------------------------------------------------
1649 # Blender Application
1650 if(WITH_BLENDER)
1651         add_subdirectory(source/creator)
1652 endif()
1653
1654
1655 #-----------------------------------------------------------------------------
1656 # Blender Player
1657 if(WITH_PLAYER)
1658         add_subdirectory(source/blenderplayer)
1659 endif()
1660
1661
1662 #-----------------------------------------------------------------------------
1663 # Testing
1664 add_subdirectory(tests)
1665
1666
1667 #-----------------------------------------------------------------------------
1668 # CPack for generating packages
1669 include(build_files/cmake/packaging.cmake)
1670
1671 #-----------------------------------------------------------------------------
1672 # Use dynamic loading for OpenMP
1673 if(WITH_BLENDER)
1674         openmp_delayload(blender)
1675 endif()
1676 if(WITH_PLAYER)
1677         openmp_delayload(blenderplayer)
1678 endif()
1679
1680 #-----------------------------------------------------------------------------
1681 # Print Final Configuration
1682
1683 if(FIRST_RUN)
1684
1685         set(_config_msg "\nBlender Configuration\n=====================")
1686
1687         function(info_cfg_option
1688                 _setting
1689                 )
1690
1691                 set(_msg "  - ${_setting}")
1692                 string(LENGTH "${_msg}" _len)
1693                 while("32" GREATER "${_len}")
1694                         set(_msg "${_msg} ")
1695                         math(EXPR _len "${_len} + 1")
1696                 endwhile()
1697
1698                 set(_config_msg "${_config_msg}\n${_msg}${${_setting}}" PARENT_SCOPE)
1699         endfunction()
1700
1701         function(info_cfg_text
1702                 _text
1703                 )
1704
1705                 set(_config_msg "${_config_msg}\n\n  ${_text}" PARENT_SCOPE)
1706         endfunction()
1707
1708         message(STATUS "C Compiler:   \"${CMAKE_C_COMPILER_ID}\"")
1709         message(STATUS "C++ Compiler: \"${CMAKE_CXX_COMPILER_ID}\"")
1710
1711         info_cfg_text("Build Options:")
1712         info_cfg_option(WITH_GAMEENGINE)
1713         info_cfg_option(WITH_PLAYER)
1714         info_cfg_option(WITH_BULLET)
1715         info_cfg_option(WITH_IK_SOLVER)
1716         info_cfg_option(WITH_IK_ITASC)
1717         info_cfg_option(WITH_OPENCOLLADA)
1718         info_cfg_option(WITH_FFTW3)
1719         info_cfg_option(WITH_INTERNATIONAL)
1720         info_cfg_option(WITH_INPUT_NDOF)
1721         info_cfg_option(WITH_CYCLES)
1722         info_cfg_option(WITH_FREESTYLE)
1723         info_cfg_option(WITH_OPENCOLORIO)
1724         info_cfg_option(WITH_OPENVDB)
1725         info_cfg_option(WITH_ALEMBIC)
1726
1727         info_cfg_text("Compiler Options:")
1728         info_cfg_option(WITH_BUILDINFO)
1729         info_cfg_option(WITH_OPENMP)
1730         info_cfg_option(WITH_RAYOPTIMIZATION)
1731
1732         info_cfg_text("System Options:")
1733         info_cfg_option(WITH_INSTALL_PORTABLE)
1734         info_cfg_option(WITH_X11_ALPHA)
1735         info_cfg_option(WITH_X11_XF86VMODE)
1736         info_cfg_option(WITH_X11_XFIXES)
1737         info_cfg_option(WITH_X11_XINPUT)
1738         info_cfg_option(WITH_MEM_JEMALLOC)
1739         info_cfg_option(WITH_MEM_VALGRIND)
1740         info_cfg_option(WITH_SYSTEM_GLEW)
1741         info_cfg_option(WITH_SYSTEM_OPENJPEG)
1742
1743         info_cfg_text("Image Formats:")
1744         info_cfg_option(WITH_OPENIMAGEIO)
1745         info_cfg_option(WITH_IMAGE_CINEON)
1746         info_cfg_option(WITH_IMAGE_DDS)
1747         info_cfg_option(WITH_IMAGE_HDR)
1748         info_cfg_option(WITH_IMAGE_OPENEXR)
1749         info_cfg_option(WITH_IMAGE_OPENJPEG)
1750         info_cfg_option(WITH_IMAGE_TIFF)
1751
1752         info_cfg_text("Audio:")
1753         info_cfg_option(WITH_OPENAL)
1754         info_cfg_option(WITH_SDL)
1755         info_cfg_option(WITH_SDL_DYNLOAD)
1756         info_cfg_option(WITH_JACK)
1757         info_cfg_option(WITH_JACK_DYNLOAD)
1758         info_cfg_option(WITH_CODEC_AVI)
1759         info_cfg_option(WITH_CODEC_FFMPEG)
1760         info_cfg_option(WITH_CODEC_SNDFILE)
1761
1762         info_cfg_text("Compression:")
1763         info_cfg_option(WITH_LZMA)
1764         info_cfg_option(WITH_LZO)
1765
1766         info_cfg_text("Python:")
1767         info_cfg_option(WITH_PYTHON_INSTALL)
1768         info_cfg_option(WITH_PYTHON_INSTALL_NUMPY)
1769         info_cfg_option(WITH_PYTHON_MODULE)
1770         info_cfg_option(WITH_PYTHON_SAFETY)
1771         if(APPLE)
1772                 info_cfg_option(WITH_PYTHON_FRAMEWORK)
1773         endif()
1774
1775         info_cfg_text("Modifiers:")
1776         info_cfg_option(WITH_MOD_REMESH)
1777         info_cfg_option(WITH_MOD_FLUID)
1778         info_cfg_option(WITH_MOD_OCEANSIM)
1779
1780         info_cfg_text("OpenGL:")
1781         info_cfg_option(WITH_GLEW_ES)
1782         info_cfg_option(WITH_GLU)
1783         info_cfg_option(WITH_GL_EGL)
1784         info_cfg_option(WITH_GL_PROFILE_COMPAT)
1785         info_cfg_option(WITH_GL_PROFILE_CORE)
1786         info_cfg_option(WITH_GL_PROFILE_ES20)
1787         if(WIN32)
1788                 info_cfg_option(WITH_GL_ANGLE)
1789         endif()
1790
1791         info_cfg_text("")
1792
1793         message("${_config_msg}")
1794 endif()
1795
1796 if(0)
1797         print_all_vars()
1798 endif()