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[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 set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS
70         $<$<CONFIG:Debug>:DEBUG;_DEBUG>
71         $<$<CONFIG:Release>:NDEBUG>
72         $<$<CONFIG:MinSizeRel>:NDEBUG>
73         $<$<CONFIG:RelWithDebInfo>:NDEBUG>
74 )
75
76 #-----------------------------------------------------------------------------
77 # Set policy
78
79 # see "cmake --help-policy CMP0003"
80 # So library linking is more sane
81 cmake_policy(SET CMP0003 NEW)
82
83 # So BUILDINFO and BLENDERPATH strings are automatically quoted
84 cmake_policy(SET CMP0005 NEW)
85
86 # So syntax problems are errors
87 cmake_policy(SET CMP0010 NEW)
88
89 # Input directories must have CMakeLists.txt
90 cmake_policy(SET CMP0014 NEW)
91
92 #-----------------------------------------------------------------------------
93 # Load some macros.
94 include(build_files/cmake/macros.cmake)
95
96
97 #-----------------------------------------------------------------------------
98 # Initialize project.
99
100 blender_project_hack_pre()
101
102 project(Blender)
103
104 blender_project_hack_post()
105
106 enable_testing()
107
108 #-----------------------------------------------------------------------------
109 # Redirect output files
110
111 set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin CACHE INTERNAL "" FORCE)
112 set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib CACHE INTERNAL "" FORCE)
113 set(TESTS_OUTPUT_DIR ${EXECUTABLE_OUTPUT_PATH}/tests CACHE INTERNAL "" FORCE)
114
115 #-----------------------------------------------------------------------------
116 # Set default config options
117
118 get_blender_version()
119
120
121 #-----------------------------------------------------------------------------
122 # Platform Specific Defaults
123
124 # list of var-names
125 set(_init_vars)
126
127 # initialize to ON
128 macro(option_defaults_init)
129         foreach(_var ${ARGV})
130                 set(${_var} ON)
131                 list(APPEND _init_vars "${_var}")
132         endforeach()
133         unset(_var)
134 endmacro()
135
136 # remove from namespace
137 macro(option_defaults_clear)
138         foreach(_var ${_init_vars})
139                 unset(${_var})
140         endforeach()
141         unset(_var)
142         unset(_init_vars)
143 endmacro()
144
145
146 # values to initialize WITH_****
147 option_defaults_init(
148         _init_BUILDINFO
149         _init_CODEC_FFMPEG
150         _init_CYCLES_OSL
151         _init_CYCLES_OPENSUBDIV
152         _init_IMAGE_OPENEXR
153         _init_INPUT_NDOF
154         _init_JACK
155         _init_OPENCOLLADA
156         _init_OPENCOLORIO
157         _init_SDL
158         _init_FFTW3
159         _init_OPENSUBDIV
160 )
161
162 # customize...
163 if(UNIX AND NOT APPLE)
164         # some of these libraries are problematic on Linux
165         # disable less important dependencies by default
166         set(_init_CODEC_FFMPEG                   OFF)
167         set(_init_CYCLES_OSL                     OFF)
168         set(_init_CYCLES_OPENSUBDIV              OFF)
169         set(_init_IMAGE_OPENEXR                  OFF)
170         set(_init_JACK                           OFF)
171         set(_init_OPENCOLLADA                    OFF)
172         set(_init_OPENCOLORIO                    OFF)
173         set(_init_SDL                            OFF)
174         set(_init_FFTW3                          OFF)
175         set(_init_OPENSUBDIV                     OFF)
176 elseif(WIN32)
177         set(_init_JACK                           OFF)
178 elseif(APPLE)
179         set(_init_JACK                           OFF)
180         set(_init_OPENSUBDIV                     OFF)
181 endif()
182
183
184 #-----------------------------------------------------------------------------
185 # Options
186
187 # First platform specific non-cached vars
188 if(UNIX AND NOT (APPLE OR HAIKU))
189         set(WITH_X11 ON)
190 endif()
191
192 # Blender internal features
193 option(WITH_BLENDER "Build blender (disable to build only the blender player)" ON)
194 mark_as_advanced(WITH_BLENDER)
195
196 option(WITH_INTERNATIONAL "Enable I18N (International fonts and text)" ON)
197
198 option(WITH_PYTHON        "Enable Embedded Python API  (only disable for development)" ON)
199 option(WITH_PYTHON_SECURITY "Disables execution of scripts within blend files by default" ON)
200 mark_as_advanced(WITH_PYTHON)  # dont want people disabling this unless they really know what they are doing.
201 mark_as_advanced(WITH_PYTHON_SECURITY)  # some distributions see this as a security issue, rather than have them patch it, make a build option.
202
203 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)
204 mark_as_advanced(WITH_PYTHON_SAFETY)
205 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)
206 if(APPLE)
207         option(WITH_PYTHON_FRAMEWORK "Enable building using the Python available in the framework (OSX only)" OFF)
208 endif()
209
210 option(WITH_BUILDINFO     "Include extra build details (only disable for development & faster builds)" ${_init_BUILDINFO})
211 if(${CMAKE_VERSION} VERSION_LESS 2.8.8)
212         # add_library OBJECT arg unsupported
213         set(WITH_BUILDINFO OFF)
214 endif()
215 set(BUILDINFO_OVERRIDE_DATE "" CACHE STRING "Use instead of the current date for reproducable builds (empty string disables this option)")
216 set(BUILDINFO_OVERRIDE_TIME "" CACHE STRING "Use instead of the current time for reproducable builds (empty string disables this option)")
217 set(CPACK_OVERRIDE_PACKAGENAME "" CACHE STRING "Use instead of the standard packagename (empty string disables this option)")
218 mark_as_advanced(CPACK_OVERRIDE_PACKAGENAME)
219 mark_as_advanced(BUILDINFO_OVERRIDE_DATE)
220 mark_as_advanced(BUILDINFO_OVERRIDE_TIME)
221
222 option(WITH_IK_ITASC      "Enable ITASC IK solver (only disable for development & for incompatible C++ compilers)" ON)
223 option(WITH_IK_SOLVER     "Enable Legacy IK solver (only disable for development)" ON)
224 option(WITH_FFTW3         "Enable FFTW3 support (Used for smoke, ocean sim, and audio effects)" ${_init_FFTW3})
225 option(WITH_BULLET        "Enable Bullet (Physics Engine)" ON)
226 option(WITH_SYSTEM_BULLET "Use the systems bullet library (currently unsupported due to missing features in upstream!)" )
227 mark_as_advanced(WITH_SYSTEM_BULLET)
228 option(WITH_OPENCOLORIO   "Enable OpenColorIO color management" ${_init_OPENCOLORIO})
229
230 # Compositor
231 option(WITH_COMPOSITOR         "Enable the tile based nodal compositor" ON)
232
233 option(WITH_OPENSUBDIV    "Enable OpenSubdiv for surface subdivision" _init_OPENSUBDIV)
234
235 option(WITH_OPENVDB       "Enable features relying on OpenVDB" OFF)
236 option(WITH_OPENVDB_BLOSC "Enable blosc compression for OpenVDB, only enable if OpenVDB was built with blosc support" OFF)
237 option(WITH_OPENVDB_3_ABI_COMPATIBLE "Assume OpenVDB library has been compiled with version 3 ABI compatibility" OFF)
238 mark_as_advanced(WITH_OPENVDB_3_ABI_COMPATIBLE)
239
240 # GHOST Windowing Library Options
241 option(WITH_GHOST_DEBUG   "Enable debugging output for the GHOST library" OFF)
242 mark_as_advanced(WITH_GHOST_DEBUG)
243
244 option(WITH_GHOST_SDL    "Enable building Blender against SDL for windowing rather than the native APIs" OFF)
245 mark_as_advanced(WITH_GHOST_SDL)
246
247 if(WITH_X11)
248         option(WITH_GHOST_XDND    "Enable drag'n'drop support on X11 using XDND protocol" ON)
249 endif()
250
251 # Misc...
252 option(WITH_HEADLESS      "Build without graphical support (renderfarm, server mode only)" OFF)
253 mark_as_advanced(WITH_HEADLESS)
254
255 option(WITH_AUDASPACE    "Build with blenders audio library (only disable if you know what you're doing!)" ON)
256 option(WITH_SYSTEM_AUDASPACE "Build with external audaspace library installed on the system (only enable if you know what you're doing!)" OFF)
257 mark_as_advanced(WITH_AUDASPACE)
258 mark_as_advanced(WITH_SYSTEM_AUDASPACE)
259
260 if(NOT WITH_AUDASPACE)
261         set(WITH_SYSTEM_AUDASPACE OFF)
262 endif()
263
264 option(WITH_OPENMP        "Enable OpenMP (has to be supported by the compiler)" ON)
265 if(UNIX AND NOT APPLE)
266         option(WITH_OPENMP_STATIC "Link OpenMP statically (only used by the release environment)" OFF)
267         mark_as_advanced(WITH_OPENMP_STATIC)
268 endif()
269
270 if(WITH_X11)
271         option(WITH_X11_XINPUT    "Enable X11 Xinput (tablet support and unicode input)"  ON)
272         option(WITH_X11_XF86VMODE "Enable X11 video mode switching"                       ON)
273         option(WITH_X11_XFIXES    "Enable X11 XWayland cursor warping workaround"         ON)
274         option(WITH_X11_ALPHA     "Enable X11 transparent background"                     ON)
275 endif()
276
277 if(UNIX AND NOT APPLE)
278         option(WITH_SYSTEM_GLEW "Use GLEW OpenGL wrapper library provided by the operating system" OFF)
279         option(WITH_SYSTEM_GLES "Use OpenGL ES library provided by the operating system"           ON)
280 else()
281         # not an option for other OS's
282         set(WITH_SYSTEM_GLEW OFF)
283         set(WITH_SYSTEM_GLES OFF)
284 endif()
285
286
287 # (unix defaults to System OpenJPEG On)
288 option(WITH_SYSTEM_OPENJPEG "Use the operating systems OpenJPEG library" OFF)
289
290 if(UNIX AND NOT APPLE)
291         option(WITH_SYSTEM_EIGEN3 "Use the systems Eigen3 library" OFF)
292 endif()
293
294
295 # Modifiers
296 option(WITH_MOD_FLUID           "Enable Elbeem Modifier (Fluid Simulation)" ON)
297 option(WITH_MOD_SMOKE           "Enable Smoke Modifier (Smoke Simulation)" ON)
298 option(WITH_MOD_REMESH          "Enable Remesh Modifier" ON)
299 # option(WITH_MOD_CLOTH_ELTOPO    "Enable Experimental cloth solver" OFF)  # this is now only available in a branch
300 # mark_as_advanced(WITH_MOD_CLOTH_ELTOPO)
301 option(WITH_MOD_OCEANSIM        "Enable Ocean Modifier" OFF)
302
303 # Image format support
304 option(WITH_OPENIMAGEIO         "Enable OpenImageIO Support (http://www.openimageio.org)" ON)
305 option(WITH_IMAGE_OPENEXR       "Enable OpenEXR Support (http://www.openexr.com)" ${_init_IMAGE_OPENEXR})
306 option(WITH_IMAGE_OPENJPEG      "Enable OpenJpeg Support (http://www.openjpeg.org)" ON)
307 option(WITH_IMAGE_TIFF          "Enable LibTIFF Support" ON)
308 option(WITH_IMAGE_DDS           "Enable DDS Image Support" ON)
309 option(WITH_IMAGE_CINEON        "Enable CINEON and DPX Image Support" ON)
310 option(WITH_IMAGE_HDR           "Enable HDR Image Support" ON)
311
312 # Audio/Video format support
313 option(WITH_CODEC_AVI           "Enable Blenders own AVI file support (raw/jpeg)" ON)
314 option(WITH_CODEC_FFMPEG        "Enable FFMPeg Support (http://ffmpeg.org)" ${_init_CODEC_FFMPEG})
315 option(WITH_CODEC_SNDFILE       "Enable libsndfile Support (http://www.mega-nerd.com/libsndfile)" OFF)
316
317 # Alembic support
318 option(WITH_ALEMBIC             "Enable Alembic Support" OFF)
319 option(WITH_ALEMBIC_HDF5        "Enable Legacy Alembic Support (not officially supported)" OFF)
320
321 # 3D format support
322 # Disable opencollada when we don't have precompiled libs
323 option(WITH_OPENCOLLADA   "Enable OpenCollada Support (http://www.opencollada.org)" ${_init_OPENCOLLADA})
324
325 # Sound output
326 option(WITH_SDL           "Enable SDL for sound and joystick support" ${_init_SDL})
327 option(WITH_OPENAL        "Enable OpenAL Support (http://www.openal.org)" ON)
328 option(WITH_JACK          "Enable JACK Support (http://www.jackaudio.org)" ${_init_JACK})
329 if(UNIX AND NOT APPLE)
330         option(WITH_JACK_DYNLOAD  "Enable runtime dynamic JACK libraries loading" OFF)
331 endif()
332 if(UNIX AND NOT APPLE)
333         option(WITH_SDL_DYNLOAD  "Enable runtime dynamic SDL libraries loading" OFF)
334 endif()
335
336 # Compression
337 option(WITH_LZO           "Enable fast LZO compression (used for pointcache)" ON)
338 option(WITH_LZMA          "Enable best LZMA compression, (used for pointcache)" ON)
339 if(UNIX AND NOT APPLE)
340         option(WITH_SYSTEM_LZO    "Use the system LZO library" OFF)
341 endif()
342
343 # Camera/motion tracking
344 option(WITH_LIBMV         "Enable Libmv structure from motion library" ON)
345 option(WITH_LIBMV_SCHUR_SPECIALIZATIONS "Enable fixed-size schur specializations." OFF)
346 mark_as_advanced(WITH_LIBMV_SCHUR_SPECIALIZATIONS)
347
348 # Logging/unbit test libraries.
349 option(WITH_SYSTEM_GFLAGS   "Use system-wide Gflags instead of a bundled one" OFF)
350 option(WITH_SYSTEM_GLOG     "Use system-wide Glog instead of a bundled one" OFF)
351 mark_as_advanced(WITH_SYSTEM_GFLAGS)
352 mark_as_advanced(WITH_SYSTEM_GLOG)
353
354 # Freestyle
355 option(WITH_FREESTYLE     "Enable Freestyle (advanced edges rendering)" ON)
356
357 # Misc
358 if(WIN32)
359         option(WITH_INPUT_IME "Enable Input Method Editor (IME) for complex Asian character input" ON)
360 endif()
361 option(WITH_INPUT_NDOF "Enable NDOF input devices (SpaceNavigator and friends)" ${_init_INPUT_NDOF})
362 option(WITH_RAYOPTIMIZATION     "Enable use of SIMD (SSE) optimizations for the raytracer" ON)
363 if(UNIX AND NOT APPLE)
364         option(WITH_INSTALL_PORTABLE "Install redistributeable runtime, otherwise install into CMAKE_INSTALL_PREFIX" ON)
365         option(WITH_STATIC_LIBS "Try to link with static libraries, as much as possible, to make blender more portable across distributions" OFF)
366         if(WITH_STATIC_LIBS)
367                 option(WITH_BOOST_ICU "Boost uses ICU library (required for linking with static Boost built with libicu)." OFF)
368                 mark_as_advanced(WITH_BOOST_ICU)
369         endif()
370 endif()
371
372 option(WITH_PYTHON_INSTALL       "Copy system python into the blender install folder" ON)
373 if(WITH_PYTHON_INSTALL OR (WITH_AUDASPACE AND NOT WITH_SYSTEM_AUDASPACE))
374         set(PYTHON_NUMPY_PATH            "" CACHE PATH "Path to python site-packages or dist-packages containing 'numpy' module")
375         mark_as_advanced(PYTHON_NUMPY_PATH)
376         set(PYTHON_NUMPY_INCLUDE_DIRS ${PYTHON_NUMPY_PATH}/numpy/core/include CACHE PATH "Path to the include directory of the numpy module")
377         mark_as_advanced(PYTHON_NUMPY_INCLUDE_DIRS)
378 endif()
379 if(WITH_PYTHON_INSTALL)
380         option(WITH_PYTHON_INSTALL_NUMPY "Copy system numpy into the blender install folder"  ON)
381
382         if(UNIX AND NOT APPLE)
383                 option(WITH_PYTHON_INSTALL_REQUESTS "Copy system requests into the blender install folder" ON)
384                 set(PYTHON_REQUESTS_PATH "" CACHE PATH "Path to python site-packages or dist-packages containing 'requests' module")
385                 mark_as_advanced(PYTHON_REQUESTS_PATH)
386         endif()
387 endif()
388
389 option(WITH_CPU_SSE              "Enable SIMD instruction if they're detected on the host machine" ON)
390 mark_as_advanced(WITH_CPU_SSE)
391
392 # Cycles
393 option(WITH_CYCLES                                      "Enable Cycles Render Engine" ON)
394 option(WITH_CYCLES_STANDALONE           "Build Cycles standalone application" OFF)
395 option(WITH_CYCLES_STANDALONE_GUI       "Build Cycles standalone with GUI" OFF)
396 option(WITH_CYCLES_OSL                          "Build Cycles with OSL support" ${_init_CYCLES_OSL})
397 option(WITH_CYCLES_OPENSUBDIV           "Build Cycles with OpenSubdiv support" ${_init_CYCLES_OPENSUBDIV})
398 option(WITH_CYCLES_CUDA_BINARIES        "Build Cycles CUDA binaries" OFF)
399 option(WITH_CYCLES_CUBIN_COMPILER       "Build cubins with nvrtc based compiler instead of nvcc" OFF)
400 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")
401 mark_as_advanced(CYCLES_CUDA_BINARIES_ARCH)
402 unset(PLATFORM_DEFAULT)
403 option(WITH_CYCLES_LOGGING      "Build Cycles with logging support" ON)
404 option(WITH_CYCLES_DEBUG        "Build Cycles with extra debug capabilities" OFF)
405 option(WITH_CYCLES_NATIVE_ONLY  "Build Cycles with native kernel only (which fits current CPU, use for development only)" OFF)
406 mark_as_advanced(WITH_CYCLES_CUBIN_COMPILER)
407 mark_as_advanced(WITH_CYCLES_LOGGING)
408 mark_as_advanced(WITH_CYCLES_DEBUG)
409 mark_as_advanced(WITH_CYCLES_NATIVE_ONLY)
410
411 option(WITH_CYCLES_DEVICE_CUDA                          "Enable Cycles CUDA compute support" ON)
412 option(WITH_CYCLES_DEVICE_OPENCL                        "Enable Cycles OpenCL compute support" ON)
413 option(WITH_CYCLES_NETWORK                              "Enable Cycles compute over network support (EXPERIMENTAL and unfinished)" OFF)
414 mark_as_advanced(WITH_CYCLES_DEVICE_CUDA)
415 mark_as_advanced(WITH_CYCLES_DEVICE_OPENCL)
416 mark_as_advanced(WITH_CYCLES_NETWORK)
417
418 option(WITH_CUDA_DYNLOAD "Dynamically load CUDA libraries at runtime" ON)
419 mark_as_advanced(WITH_CUDA_DYNLOAD)
420
421 # LLVM
422 option(WITH_LLVM                                        "Use LLVM" OFF)
423 if(APPLE)
424         option(LLVM_STATIC                                      "Link with LLVM static libraries" ON) # we prefer static llvm build on Apple, dyn build possible though
425 else()
426         option(LLVM_STATIC                                      "Link with LLVM static libraries" OFF)
427 endif()
428 mark_as_advanced(LLVM_STATIC)
429
430 # disable for now, but plan to support on all platforms eventually
431 option(WITH_MEM_JEMALLOC   "Enable malloc replacement (http://www.canonware.com/jemalloc)" ON)
432 mark_as_advanced(WITH_MEM_JEMALLOC)
433
434 # currently only used for BLI_mempool
435 option(WITH_MEM_VALGRIND "Enable extended valgrind support for better reporting" OFF)
436 mark_as_advanced(WITH_MEM_VALGRIND)
437
438 # Debug
439 option(WITH_CXX_GUARDEDALLOC "Enable GuardedAlloc for C++ memory allocation tracking (only enable for development)" OFF)
440 mark_as_advanced(WITH_CXX_GUARDEDALLOC)
441
442 option(WITH_ASSERT_ABORT "Call abort() when raising an assertion through BLI_assert()" OFF)
443 mark_as_advanced(WITH_ASSERT_ABORT)
444
445 option(WITH_BOOST                                       "Enable features depending on boost" ON)
446
447 # Unit testsing
448 option(WITH_GTESTS "Enable GTest unit testing" OFF)
449 option(WITH_OPENGL_RENDER_TESTS "Enable OpenGL render related unit testing (Experimental)" OFF)
450 option(WITH_OPENGL_DRAW_TESTS "Enable OpenGL UI drawing related unit testing (Experimental)" OFF)
451
452
453 # Documentation
454 if(UNIX AND NOT APPLE)
455         option(WITH_DOC_MANPAGE "Create a manual page (Unix manpage)" OFF)
456 endif()
457
458
459 # OpenGL
460
461 option(WITH_GLEW_ES             "Switches to experimental copy of GLEW that has support for OpenGL ES. (temporary option for development purposes)" OFF)
462 option(WITH_GL_EGL              "Use the EGL OpenGL system library instead of the platform specific OpenGL system library (CGL, glX, or WGL)"       OFF)
463 option(WITH_GL_PROFILE_ES20     "Support using OpenGL ES 2.0. (thru either EGL or the AGL/WGL/XGL 'es20' profile)"                                  OFF)
464
465 mark_as_advanced(
466         WITH_GLEW_ES
467         WITH_GL_EGL
468         WITH_GL_PROFILE_ES20
469 )
470
471 if(WIN32)
472         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)
473         mark_as_advanced(WITH_GL_ANGLE)
474 endif()
475
476 if(WITH_GLEW_ES AND WITH_SYSTEM_GLEW)
477         message(WARNING Ignoring WITH_SYSTEM_GLEW and using WITH_GLEW_ES)
478         set(WITH_SYSTEM_GLEW OFF)
479 endif()
480
481 if(WIN32)
482         getDefaultWindowsPrefixBase(CMAKE_GENERIC_PROGRAM_FILES)
483         set(CPACK_INSTALL_PREFIX ${CMAKE_GENERIC_PROGRAM_FILES}/${})
484 endif()
485
486 # Experimental support of C11 and C++11
487 #
488 # We default options to whatever default standard in the current compiler.
489 if(APPLE)
490         set(_c11_init ON)
491         set(_cxx11_init ON)
492         set(WITH_C11 ON)
493         set(WITH_CXX11 ON)
494 elseif(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "6.0") AND (NOT WITH_CXX11))
495         set(_c11_init ON)
496 else()
497         set(_c11_init OFF)
498 endif()
499 set(_cxx11_init ON)
500
501 option(WITH_C11 "Build with C11 standard enabled, for development use only!" ${_c11_init})
502 mark_as_advanced(WITH_C11)
503 option(WITH_CXX11 "Build with C++11 standard enabled, for development use only!" ${_cxx11_init})
504 mark_as_advanced(WITH_CXX11)
505
506 # Compiler toolchain
507 if(CMAKE_COMPILER_IS_GNUCC)
508         option(WITH_LINKER_GOLD "Use ld.gold linker which is usually faster than ld.bfd" ON)
509         mark_as_advanced(WITH_LINKER_GOLD)
510 endif()
511
512 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
513         option(WITH_COMPILER_ASAN "Build and link against address sanitizer (only for Debug & RelWithDebInfo targets)." OFF)
514         mark_as_advanced(WITH_COMPILER_ASAN)
515
516         if(WITH_COMPILER_ASAN)
517                 set(_asan_defaults "\
518 -fsanitize=address \
519 -fsanitize=bool \
520 -fsanitize=bounds \
521 -fsanitize=enum \
522 -fsanitize=float-cast-overflow \
523 -fsanitize=float-divide-by-zero \
524 -fsanitize=nonnull-attribute \
525 -fsanitize=returns-nonnull-attribute \
526 -fsanitize=signed-integer-overflow \
527 -fsanitize=undefined \
528 -fsanitize=vla-bound \
529 -fno-sanitize=alignment \
530 ")
531
532                 if(NOT MSVC) # not all sanitizers are supported with clang-cl, these two however are very vocal about it
533                         set(_asan_defaults "${_asan_defaults} -fsanitize=leak -fsanitize=object-size" )
534                 endif()
535                 set(COMPILER_ASAN_CFLAGS "${_asan_defaults}" CACHE STRING "C flags for address sanitizer")
536                 mark_as_advanced(COMPILER_ASAN_CFLAGS)
537                 set(COMPILER_ASAN_CXXFLAGS "${_asan_defaults}" CACHE STRING "C++ flags for address sanitizer")
538                 mark_as_advanced(COMPILER_ASAN_CXXFLAGS)
539
540                 unset(_asan_defaults)
541
542                 if(NOT MSVC)
543                         find_library(COMPILER_ASAN_LIBRARY asan ${CMAKE_C_IMPLICIT_LINK_DIRECTORIES})
544                 else()
545                         find_library( COMPILER_ASAN_LIBRARY NAMES clang_rt.asan-x86_64
546                                 PATHS
547                                 [HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\LLVM\\LLVM;]/lib/clang/7.0.0/lib/windows
548                                 [HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\LLVM\\LLVM;]/lib/clang/6.0.0/lib/windows
549                         )
550                 endif()
551                 mark_as_advanced(COMPILER_ASAN_LIBRARY)
552         endif()
553 endif()
554
555 # Dependency graph
556 option(WITH_LEGACY_DEPSGRAPH "Build Blender with legacy dependency graph" ON)
557 mark_as_advanced(WITH_LEGACY_DEPSGRAPH)
558
559 if(WIN32)
560         # Use hardcoded paths or find_package to find externals
561         option(WITH_WINDOWS_FIND_MODULES "Use find_package to locate libraries" OFF)
562         mark_as_advanced(WITH_WINDOWS_FIND_MODULES)
563
564         option(WITH_WINDOWS_CODESIGN "Use signtool to sign the final binary." OFF)
565         mark_as_advanced(WITH_WINDOWS_CODESIGN)
566
567         set(WINDOWS_CODESIGN_PFX CACHE FILEPATH  "Path to pfx file to use for codesigning.")
568         mark_as_advanced(WINDOWS_CODESIGN_PFX)
569
570         set(WINDOWS_CODESIGN_PFX_PASSWORD CACHE STRING  "password for pfx file used for codesigning.")
571         mark_as_advanced(WINDOWS_CODESIGN_PFX_PASSWORD)
572
573         option(WINDOWS_USE_VISUAL_STUDIO_FOLDERS "Organize the visual studio project according to source folders." ON)
574         mark_as_advanced(WINDOWS_USE_VISUAL_STUDIO_FOLDERS)
575 endif()
576
577 # avoid using again
578 option_defaults_clear()
579
580 # end option(...)
581
582
583
584 # By default we want to install to the directory we are compiling our executables
585 # unless specified otherwise, which we currently do not allow
586 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
587         if(WIN32)
588                 set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH}/\${BUILD_TYPE} CACHE PATH "default install path" FORCE)
589         elseif(APPLE)
590                 set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH}/\${BUILD_TYPE} CACHE PATH "default install path" FORCE)
591         else()
592                 if(WITH_INSTALL_PORTABLE)
593                         set(CMAKE_INSTALL_PREFIX ${EXECUTABLE_OUTPUT_PATH} CACHE PATH "default install path" FORCE)
594                 endif()
595         endif()
596 endif()
597
598
599
600 # Apple
601
602 if(APPLE)
603         include(platform_apple_xcode)
604 endif()
605
606
607 #-----------------------------------------------------------------------------
608 # Check for conflicting/unsupported configurations
609
610 if(NOT WITH_BLENDER AND NOT WITH_CYCLES_STANDALONE)
611         message(FATAL_ERROR
612                 "At least one of WITH_BLENDER or WITH_CYCLES_STANDALONE "
613                 "must be enabled, nothing to do!"
614         )
615 endif()
616
617 if(NOT WITH_CXX11)
618         if(WITH_AUDASPACE AND NOT WITH_SYSTEM_AUDASPACE)
619                 message(FATAL_ERROR "WITH_AUDASPACE requires WITH_CXX11")
620         endif()
621 endif()
622
623 if(NOT WITH_AUDASPACE)
624         if(WITH_OPENAL)
625                 message(FATAL_ERROR "WITH_OPENAL requires WITH_AUDASPACE")
626         endif()
627         if(WITH_JACK)
628                 message(FATAL_ERROR "WITH_JACK requires WITH_AUDASPACE")
629         endif()
630 endif()
631
632 if(NOT WITH_SDL AND WITH_GHOST_SDL)
633         message(FATAL_ERROR "WITH_GHOST_SDL requires WITH_SDL")
634 endif()
635
636 # python module, needs some different options
637 if(WITH_PYTHON_MODULE AND WITH_PYTHON_INSTALL)
638         message(FATAL_ERROR "WITH_PYTHON_MODULE requires WITH_PYTHON_INSTALL to be OFF")
639 endif()
640
641
642 # may as well build python module without a UI
643 if(WITH_PYTHON_MODULE)
644         set(WITH_HEADLESS ON)
645 endif()
646
647 if(NOT WITH_PYTHON)
648         set(WITH_CYCLES OFF)
649 endif()
650
651 # enable boost for cycles, audaspace or i18n
652 # otherwise if the user disabled
653 if(NOT WITH_BOOST)
654         # Explicitly disabled. so disable all deps.
655         macro(set_and_warn
656                 _setting _val)
657                 if(${${_setting}})
658                         message(STATUS "'WITH_BOOST' is disabled: forcing 'set(${_setting} ${_val})'")
659                 endif()
660                 set(${_setting} ${_val})
661         endmacro()
662
663         set_and_warn(WITH_CYCLES         OFF)
664         set_and_warn(WITH_INTERNATIONAL  OFF)
665         set_and_warn(WITH_OPENVDB        OFF)
666         set_and_warn(WITH_OPENCOLORIO    OFF)
667 elseif(WITH_CYCLES OR WITH_OPENIMAGEIO OR WITH_INTERNATIONAL OR
668        WITH_OPENVDB OR WITH_OPENCOLORIO)
669         # Keep enabled
670 else()
671         # New dependency graph needs either Boost or C++11 for function bindings.
672         if(NOT WITH_CXX11)
673                 # Enabled but we don't need it
674                 set(WITH_BOOST OFF)
675         endif()
676 endif()
677
678 # auto enable openimageio for cycles
679 if(WITH_CYCLES)
680         set(WITH_OPENIMAGEIO ON)
681
682         # auto enable llvm for cycles_osl
683         if(WITH_CYCLES_OSL)
684                 set(WITH_LLVM ON CACHE BOOL "" FORCE)
685         endif()
686 else()
687         set(WITH_CYCLES_OSL OFF)
688 endif()
689
690 # auto enable openimageio linking dependencies
691 if(WITH_OPENIMAGEIO)
692         set(WITH_IMAGE_OPENEXR ON)
693         set(WITH_IMAGE_TIFF ON)
694 endif()
695
696 # auto enable alembic linking dependencies
697 if(WITH_ALEMBIC)
698         set(WITH_IMAGE_OPENEXR ON)
699 endif()
700
701 # don't store paths to libs for portable distribution
702 if(WITH_INSTALL_PORTABLE)
703         set(CMAKE_SKIP_BUILD_RPATH TRUE)
704 endif()
705
706 if(WITH_GHOST_SDL OR WITH_HEADLESS)
707         set(WITH_X11           OFF)
708         set(WITH_X11_XINPUT    OFF)
709         set(WITH_X11_XF86VMODE OFF)
710         set(WITH_X11_XFIXES    OFF)
711         set(WITH_X11_ALPHA     OFF)
712         set(WITH_GHOST_XDND    OFF)
713         set(WITH_INPUT_IME     OFF)
714 endif()
715
716 if(WITH_CPU_SSE)
717         TEST_SSE_SUPPORT(COMPILER_SSE_FLAG COMPILER_SSE2_FLAG)
718 else()
719         message(STATUS "SSE and SSE2 optimizations are DISABLED!")
720         set(COMPILER_SSE_FLAG)
721         set(COMPILER_SSE2_FLAG)
722 endif()
723
724 if(WITH_BUILDINFO)
725         find_package(Git)
726         if(NOT GIT_FOUND)
727                 message(WARNING "Git was not found, disabling WITH_BUILDINFO")
728                 set(WITH_BUILDINFO OFF)
729         endif()
730 endif()
731
732 TEST_SHARED_PTR_SUPPORT()
733 TEST_UNORDERED_MAP_SUPPORT()
734
735 if(WITH_AUDASPACE)
736         if(NOT WITH_SYSTEM_AUDASPACE)
737                 set(AUDASPACE_C_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/audaspace/bindings/C" "${CMAKE_BINARY_DIR}/extern/audaspace")
738                 set(AUDASPACE_PY_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/audaspace/bindings")
739         endif()
740 endif()
741
742 # Auto-enable CUDA dynload if toolkit is not found.
743 if(NOT WITH_CUDA_DYNLOAD)
744         find_package(CUDA)
745         if (NOT CUDA_FOUND)
746                 message("CUDA toolkit not found, using dynamic runtime loading of libraries instead")
747                 set(WITH_CUDA_DYNLOAD ON)
748         endif()
749 endif()
750
751 #-----------------------------------------------------------------------------
752 # Check for valid directories
753 # ... a partial checkout may cause this.
754 #
755 # note: we need to check for a known subdir in both cases.
756 #       since uninitialized git submodules will give blank dirs
757
758 if(WITH_INTERNATIONAL)
759         if(NOT EXISTS "${CMAKE_SOURCE_DIR}/release/datafiles/locale/languages")
760                 message(WARNING
761                         "Translation path '${CMAKE_SOURCE_DIR}/release/datafiles/locale' is missing, "
762                         "This is a 'git submodule', which are known not to work with bridges to other version "
763                         "control systems, disabling 'WITH_INTERNATIONAL'."
764                 )
765                 set(WITH_INTERNATIONAL OFF)
766         endif()
767 endif()
768
769 if(WITH_PYTHON)
770         # While we have this as an '#error' in 'bpy_capi_utils.h',
771         # upgrading Python tends to cause confusion for users who build.
772         # Give the error message early to make this more obvious.
773         #
774         # Do this before main 'platform_*' checks,
775         # because UNIX will search for the old Python paths which may not exist.
776         # giving errors about missing paths before this case is met.
777         if(DEFINED PYTHON_VERSION AND "${PYTHON_VERSION}" VERSION_LESS "3.6")
778                 message(FATAL_ERROR "At least Python 3.6 is required to build")
779         endif()
780
781         if(NOT EXISTS "${CMAKE_SOURCE_DIR}/release/scripts/addons/modules")
782                 message(WARNING
783                         "Addons path '${CMAKE_SOURCE_DIR}/release/scripts/addons' is missing, "
784                         "This is a 'git submodule', which are known not to work with bridges to other version "
785                         "control systems: * CONTINUING WITHOUT ADDONS *"
786                 )
787         endif()
788 endif()
789
790 #-----------------------------------------------------------------------------
791 # Initialize un-cached vars, avoid unused warning
792
793 # linux only, not cached
794 set(WITH_BINRELOC OFF)
795
796 # MACOSX only, set to avoid uninitialized
797 set(EXETYPE "")
798
799 # C/C++ flags
800 set(PLATFORM_CFLAGS)
801
802 # these are added to later on.
803 set(C_WARNINGS)
804 set(CXX_WARNINGS)
805
806 # for gcc -Wno-blah-blah
807 set(CC_REMOVE_STRICT_FLAGS)
808
809 # libraries to link the binary with passed to target_link_libraries()
810 # known as LLIBS to scons
811 set(PLATFORM_LINKLIBS "")
812
813 # Added to linker flags in setup_liblinks
814 # - CMAKE_EXE_LINKER_FLAGS
815 # - CMAKE_EXE_LINKER_FLAGS_DEBUG
816 set(PLATFORM_LINKFLAGS "")
817 set(PLATFORM_LINKFLAGS_DEBUG "")
818
819 if (NOT CMAKE_BUILD_TYPE MATCHES "Release")
820         if(WITH_COMPILER_ASAN)
821                 set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${COMPILER_ASAN_CFLAGS}")
822                 set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${COMPILER_ASAN_CFLAGS}")
823
824                 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${COMPILER_ASAN_CXXFLAGS}")
825                 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${COMPILER_ASAN_CXXFLAGS}")
826                 if(MSVC)
827                         set(COMPILER_ASAN_LINKER_FLAGS "/FUNCTIONPADMIN:6") 
828                 endif()
829                 set(PLATFORM_LINKLIBS "${PLATFORM_LINKLIBS};${COMPILER_ASAN_LIBRARY}")
830                 set(PLATFORM_LINKFLAGS "${COMPILER_ASAN_LIBRARY} ${COMPILER_ASAN_LINKER_FLAGS}")
831                 set(PLATFORM_LINKFLAGS_DEBUG "${COMPILER_ASAN_LIBRARY} ${COMPILER_ASAN_LINKER_FLAGS}") 
832         endif()
833 endif()
834
835 #-----------------------------------------------------------------------------
836 #Platform specifics
837
838 if(WITH_X11)
839         find_package(X11 REQUIRED)
840
841         find_path(X11_XF86keysym_INCLUDE_PATH X11/XF86keysym.h ${X11_INC_SEARCH_PATH})
842         mark_as_advanced(X11_XF86keysym_INCLUDE_PATH)
843
844         list(APPEND PLATFORM_LINKLIBS ${X11_X11_LIB})
845
846         if(WITH_X11_XINPUT)
847                 if(X11_Xinput_LIB)
848                         list(APPEND PLATFORM_LINKLIBS ${X11_Xinput_LIB})
849                 else()
850                         set(WITH_X11_XINPUT OFF)
851                 endif()
852         endif()
853
854         if(WITH_X11_XF86VMODE)
855                 # XXX, why dont cmake make this available?
856                 find_library(X11_Xxf86vmode_LIB Xxf86vm   ${X11_LIB_SEARCH_PATH})
857                 mark_as_advanced(X11_Xxf86vmode_LIB)
858                 if(X11_Xxf86vmode_LIB)
859                         list(APPEND PLATFORM_LINKLIBS ${X11_Xxf86vmode_LIB})
860                 else()
861                         set(WITH_X11_XF86VMODE OFF)
862                 endif()
863         endif()
864
865         if(WITH_X11_XFIXES)
866                 if(X11_Xfixes_LIB)
867                         list(APPEND PLATFORM_LINKLIBS ${X11_Xfixes_LIB})
868                 else()
869                         set(WITH_X11_XFIXES OFF)
870                 endif()
871         endif()
872
873         if(WITH_X11_ALPHA)
874                 find_library(X11_Xrender_LIB Xrender  ${X11_LIB_SEARCH_PATH})
875                 mark_as_advanced(X11_Xrender_LIB)
876                 if(X11_Xrender_LIB)
877                         list(APPEND PLATFORM_LINKLIBS ${X11_Xrender_LIB})
878                 else()
879                         set(WITH_X11_ALPHA OFF)
880                 endif()
881         endif()
882
883 endif()
884
885
886 # ----------------------------------------------------------------------------
887 # Main Platform Checks
888 #
889 # - UNIX
890 # - WIN32
891 # - APPLE
892
893 if(UNIX AND NOT APPLE)
894         include(platform_unix)
895 elseif(WIN32)
896         include(platform_win32)
897 elseif(APPLE)
898         include(platform_apple)
899 endif()
900
901 #-----------------------------------------------------------------------------
902 # Common.
903
904 if(NOT WITH_FFTW3 AND WITH_MOD_OCEANSIM)
905         message(FATAL_ERROR "WITH_MOD_OCEANSIM requires WITH_FFTW3 to be ON")
906 endif()
907
908 if(WITH_CYCLES)
909         if(NOT WITH_OPENIMAGEIO)
910                 message(FATAL_ERROR
911                         "Cycles requires WITH_OPENIMAGEIO, the library may not have been found. "
912                         "Configure OIIO or disable WITH_CYCLES"
913                 )
914         endif()
915         if(NOT WITH_BOOST)
916                 message(FATAL_ERROR
917                         "Cycles requires WITH_BOOST, the library may not have been found. "
918                         "Configure BOOST or disable WITH_CYCLES"
919                 )
920         endif()
921
922         if(WITH_CYCLES_OSL)
923                 if(NOT WITH_LLVM)
924                         message(FATAL_ERROR
925                                 "Cycles OSL requires WITH_LLVM, the library may not have been found. "
926                                 "Configure LLVM or disable WITH_CYCLES_OSL"
927                         )
928                 endif()
929         endif()
930 endif()
931
932 if(WITH_INTERNATIONAL)
933         if(NOT WITH_BOOST)
934                 message(FATAL_ERROR
935                         "Internationalization requires WITH_BOOST, the library may not have been found. "
936                         "Configure BOOST or disable WITH_INTERNATIONAL"
937                 )
938         endif()
939 endif()
940
941 # See TEST_SSE_SUPPORT() for how this is defined.
942
943 # Do it globally, SSE2 is required for quite some time now.
944 # Doing it now allows to use SSE/SSE2 in inline headers.
945 if(SUPPORT_SSE_BUILD)
946         set(PLATFORM_CFLAGS " ${COMPILER_SSE_FLAG} ${PLATFORM_CFLAGS}")
947         add_definitions(-D__SSE__ -D__MMX__)
948 endif()
949 if(SUPPORT_SSE2_BUILD)
950         set(PLATFORM_CFLAGS " ${PLATFORM_CFLAGS} ${COMPILER_SSE2_FLAG}")
951         add_definitions(-D__SSE2__)
952         if(NOT SUPPORT_SSE_BUILD) # dont double up
953                 add_definitions(-D__MMX__)
954         endif()
955 endif()
956
957
958 # set the endian define
959 if(MSVC)
960         # for some reason this fails on msvc
961         add_definitions(-D__LITTLE_ENDIAN__)
962
963 # OSX-Note: as we do cross-compiling with specific set architecture,
964 # endianess-detection and auto-setting is counterproductive
965 # so we just set endianess according CMAKE_OSX_ARCHITECTURES
966
967 elseif(CMAKE_OSX_ARCHITECTURES MATCHES i386 OR CMAKE_OSX_ARCHITECTURES MATCHES x86_64)
968         add_definitions(-D__LITTLE_ENDIAN__)
969 elseif(CMAKE_OSX_ARCHITECTURES MATCHES ppc OR CMAKE_OSX_ARCHITECTURES MATCHES ppc64)
970         add_definitions(-D__BIG_ENDIAN__)
971
972 else()
973         include(TestBigEndian)
974         test_big_endian(_SYSTEM_BIG_ENDIAN)
975         if(_SYSTEM_BIG_ENDIAN)
976                 add_definitions(-D__BIG_ENDIAN__)
977         else()
978                 add_definitions(-D__LITTLE_ENDIAN__)
979         endif()
980         unset(_SYSTEM_BIG_ENDIAN)
981 endif()
982 if(WITH_IMAGE_OPENJPEG)
983         if(WITH_SYSTEM_OPENJPEG)
984                 # dealt with above
985                 set(OPENJPEG_DEFINES "")
986         else()
987                 set(OPENJPEG_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/libopenjpeg")
988                 set(OPENJPEG_DEFINES "-DOPJ_STATIC")
989         endif()
990         # Special handling of Windows platform where openjpeg is always static.
991         if(WIN32)
992                 set(OPENJPEG_DEFINES "-DOPJ_STATIC")
993         endif()
994 endif()
995
996 if(NOT WITH_SYSTEM_EIGEN3)
997         set(EIGEN3_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/Eigen3)
998 endif()
999
1000 #-----------------------------------------------------------------------------
1001 # Configure OpenGL.
1002
1003 find_package(OpenGL)
1004 blender_include_dirs_sys("${OPENGL_INCLUDE_DIR}")
1005
1006 if(WITH_SYSTEM_GLES)
1007         find_package_wrapper(OpenGLES)
1008 endif()
1009
1010 if(WITH_GL_PROFILE_ES20)
1011         if(WITH_SYSTEM_GLES)
1012                 if(NOT OPENGLES_LIBRARY)
1013                         message(FATAL_ERROR
1014                                 "Unable to find OpenGL ES libraries. "
1015                                 "Install them or disable WITH_SYSTEM_GLES."
1016                         )
1017                 endif()
1018
1019                 list(APPEND BLENDER_GL_LIBRARIES OPENGLES_LIBRARY)
1020
1021         else()
1022                 set(OPENGLES_LIBRARY "" CACHE FILEPATH "OpenGL ES 2.0 library file")
1023                 mark_as_advanced(OPENGLES_LIBRARY)
1024
1025                 list(APPEND BLENDER_GL_LIBRARIES "${OPENGLES_LIBRARY}")
1026
1027                 if(NOT OPENGLES_LIBRARY)
1028                         message(FATAL_ERROR
1029                                 "To compile WITH_GL_EGL you need to set OPENGLES_LIBRARY "
1030                                 "to the file path of an OpenGL ES 2.0 library."
1031                         )
1032                 endif()
1033
1034         endif()
1035
1036         if(WIN32)
1037                 # Setup paths to files needed to install and redistribute Windows Blender with OpenGL ES
1038
1039                 set(OPENGLES_DLL "" CACHE FILEPATH "OpenGL ES 2.0 redistributable DLL file")
1040                 mark_as_advanced(OPENGLES_DLL)
1041
1042                 if(NOT OPENGLES_DLL)
1043                         message(FATAL_ERROR
1044                                 "To compile WITH_GL_PROFILE_ES20 you need to set OPENGLES_DLL to the file "
1045                                 "path of an OpenGL ES 2.0 runtime dynamic link library (DLL)."
1046                         )
1047                 endif()
1048
1049                 if(WITH_GL_ANGLE)
1050                         list(APPEND GL_DEFINITIONS -DWITH_ANGLE)
1051
1052                         set(D3DCOMPILER_DLL "" CACHE FILEPATH "Direct3D Compiler redistributable DLL file (needed by ANGLE)")
1053
1054                         get_filename_component(D3DCOMPILER_FILENAME "${D3DCOMPILER_DLL}" NAME)
1055                         list(APPEND GL_DEFINITIONS "-DD3DCOMPILER=\"\\\"${D3DCOMPILER_FILENAME}\\\"\"")
1056
1057                         mark_as_advanced(D3DCOMPILER_DLL)
1058
1059                         if(D3DCOMPILER_DLL STREQUAL "")
1060                                 message(FATAL_ERROR
1061                                         "To compile WITH_GL_ANGLE you need to set D3DCOMPILER_DLL to the file "
1062                                         "path of a copy of the DirectX redistributable DLL file: D3DCompiler_46.dll"
1063                                 )
1064                         endif()
1065
1066                 endif()
1067
1068         endif()
1069
1070 else()
1071         list(APPEND BLENDER_GL_LIBRARIES "${OPENGL_gl_LIBRARY}")
1072
1073 endif()
1074
1075 if(WITH_GL_EGL)
1076         list(APPEND GL_DEFINITIONS -DWITH_GL_EGL)
1077
1078         if(WITH_SYSTEM_GLES)
1079                 if(NOT OPENGLES_EGL_LIBRARY)
1080                         message(FATAL_ERROR
1081                                 "Unable to find OpenGL ES libraries. "
1082                                 "Install them or disable WITH_SYSTEM_GLES."
1083                         )
1084                 endif()
1085
1086                 list(APPEND BLENDER_GL_LIBRARIES OPENGLES_EGL_LIBRARY)
1087
1088         else()
1089                 set(OPENGLES_EGL_LIBRARY "" CACHE FILEPATH "EGL library file")
1090                 mark_as_advanced(OPENGLES_EGL_LIBRARY)
1091
1092                 list(APPEND BLENDER_GL_LIBRARIES "${OPENGLES_LIBRARY}" "${OPENGLES_EGL_LIBRARY}")
1093
1094                 if(NOT OPENGLES_EGL_LIBRARY)
1095                         message(FATAL_ERROR
1096                                 "To compile WITH_GL_EGL you need to set OPENGLES_EGL_LIBRARY "
1097                                 "to the file path of an EGL library."
1098                         )
1099                 endif()
1100
1101         endif()
1102
1103         if(WIN32)
1104                 # Setup paths to files needed to install and redistribute Windows Blender with OpenGL ES
1105
1106                 set(OPENGLES_EGL_DLL "" CACHE FILEPATH "EGL redistributable DLL file")
1107                 mark_as_advanced(OPENGLES_EGL_DLL)
1108
1109                 if(NOT OPENGLES_EGL_DLL)
1110                         message(FATAL_ERROR
1111                                 "To compile WITH_GL_EGL you need to set OPENGLES_EGL_DLL "
1112                                 "to the file path of an EGL runtime dynamic link library (DLL)."
1113                         )
1114                 endif()
1115
1116         endif()
1117
1118 endif()
1119
1120 if(WITH_GL_PROFILE_ES20)
1121         list(APPEND GL_DEFINITIONS -DWITH_GL_PROFILE_ES20)
1122 else()
1123         list(APPEND GL_DEFINITIONS -DWITH_GL_PROFILE_CORE)
1124 endif()
1125
1126 if(WITH_GL_EGL)
1127         list(APPEND GL_DEFINITIONS -DWITH_EGL)
1128 endif()
1129
1130 #-----------------------------------------------------------------------------
1131 # Configure OpenMP.
1132 if(WITH_OPENMP)
1133         find_package(OpenMP)
1134         if(OPENMP_FOUND)
1135                 if(NOT WITH_OPENMP_STATIC)
1136                         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
1137                         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
1138                 else()
1139                         # Typically avoid adding flags as defines but we can't
1140                         # pass OpenMP flags to the linker for static builds, meaning
1141                         # we can't add any OpenMP related flags to CFLAGS variables
1142                         # since they're passed to the linker as well.
1143                         add_definitions("${OpenMP_C_FLAGS}")
1144
1145                         find_library_static(OpenMP_LIBRARIES gomp ${CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES})
1146                 endif()
1147         else()
1148                 set(WITH_OPENMP OFF)
1149         endif()
1150
1151         mark_as_advanced(
1152                 OpenMP_C_FLAGS
1153                 OpenMP_CXX_FLAGS
1154         )
1155 endif()
1156
1157 #-----------------------------------------------------------------------------
1158 # Configure GLEW
1159
1160 if(WITH_SYSTEM_GLEW)
1161         find_package(GLEW)
1162
1163         # Note: There is an assumption here that the system GLEW is not a static library.
1164
1165         if(NOT GLEW_FOUND)
1166                 message(FATAL_ERROR "GLEW is required to build Blender. Install it or disable WITH_SYSTEM_GLEW.")
1167         endif()
1168
1169         set(BLENDER_GLEW_LIBRARIES ${GLEW_LIBRARY})
1170 else()
1171         if(WITH_GLEW_ES)
1172                 set(GLEW_INCLUDE_PATH "${CMAKE_SOURCE_DIR}/extern/glew-es/include")
1173
1174                 list(APPEND GL_DEFINITIONS -DGLEW_STATIC -DWITH_GLEW_ES)
1175
1176                 # These definitions remove APIs from glew.h, making GLEW smaller, and catching unguarded API usage
1177                 if(WITH_GL_PROFILE_ES20)
1178                         list(APPEND GL_DEFINITIONS -DGLEW_ES_ONLY)
1179                 else()
1180                         # No ES functions are needed
1181                         list(APPEND GL_DEFINITIONS -DGLEW_NO_ES)
1182                 endif()
1183
1184                 if(WITH_GL_PROFILE_ES20)
1185                         if(WITH_GL_EGL)
1186                                 list(APPEND GL_DEFINITIONS -DGLEW_USE_LIB_ES20)
1187                         endif()
1188
1189                         # ToDo: This is an experiment to eliminate ES 1 symbols,
1190                         # GLEW doesn't really properly provide this level of control
1191                         # (for example, without modification it eliminates too many symbols)
1192                         # so there are lots of modifications to GLEW to make this work,
1193                         # and no attempt to make it work beyond Blender at this point.
1194                         list(APPEND GL_DEFINITIONS -DGL_ES_VERSION_1_0=0 -DGL_ES_VERSION_CL_1_1=0 -DGL_ES_VERSION_CM_1_1=0)
1195                 endif()
1196
1197                 if(WITH_GL_EGL)
1198                         list(APPEND GL_DEFINITIONS -DGLEW_INC_EGL)
1199                 endif()
1200
1201                 set(BLENDER_GLEW_LIBRARIES extern_glew_es bf_intern_glew_mx)
1202
1203         else()
1204                 set(GLEW_INCLUDE_PATH "${CMAKE_SOURCE_DIR}/extern/glew/include")
1205
1206                 list(APPEND GL_DEFINITIONS -DGLEW_STATIC)
1207
1208                 # This won't affect the non-experimental glew library,
1209                 # but is used for conditional compilation elsewhere.
1210                 list(APPEND GL_DEFINITIONS -DGLEW_NO_ES)
1211
1212                 set(BLENDER_GLEW_LIBRARIES extern_glew)
1213
1214         endif()
1215
1216 endif()
1217
1218 list(APPEND GL_DEFINITIONS -DGLEW_NO_GLU)
1219
1220 #-----------------------------------------------------------------------------
1221 # Configure Bullet
1222
1223 if(WITH_BULLET AND WITH_SYSTEM_BULLET)
1224         find_package(Bullet)
1225         if(NOT BULLET_FOUND)
1226                 set(WITH_BULLET OFF)
1227         endif()
1228 else()
1229         set(BULLET_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/bullet2/src")
1230         # set(BULLET_LIBRARIES "")
1231 endif()
1232
1233 #-----------------------------------------------------------------------------
1234 # Configure Python.
1235
1236 if(WITH_PYTHON_MODULE)
1237         add_definitions(-DPy_ENABLE_SHARED)
1238 endif()
1239
1240 #-----------------------------------------------------------------------------
1241 # Configure GLog/GFlags
1242
1243 if(WITH_LIBMV OR WITH_GTESTS OR (WITH_CYCLES AND WITH_CYCLES_LOGGING))
1244         if(WITH_SYSTEM_GFLAGS)
1245                 find_package(Gflags)
1246                 if(NOT GFLAGS_FOUND)
1247                         message(FATAL_ERROR "System wide Gflags is requested but was not found")
1248                 endif()
1249                 # FindGflags does not define this, and we are not even sure what to use here.
1250                 set(GFLAGS_DEFINES)
1251         else()
1252                 set(GFLAGS_DEFINES
1253                         -DGFLAGS_DLL_DEFINE_FLAG=
1254                         -DGFLAGS_DLL_DECLARE_FLAG=
1255                         -DGFLAGS_DLL_DECL=
1256                 )
1257                 set(GFLAGS_NAMESPACE "gflags")
1258                 set(GFLAGS_LIBRARIES extern_gflags)
1259                 set(GFLAGS_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/extern/gflags/src")
1260         endif()
1261
1262         if(WITH_SYSTEM_GLOG)
1263                 find_package(Glog)
1264                 if(NOT GLOG_FOUND)
1265                         message(FATAL_ERROR "System wide Glog is requested but was not found")
1266                 endif()
1267                 # FindGlog does not define this, and we are not even sure what to use here.
1268                 set(GLOG_DEFINES)
1269         else()
1270                 set(GLOG_DEFINES
1271                         -DGOOGLE_GLOG_DLL_DECL=
1272                 )
1273                 set(GLOG_LIBRARIES extern_glog)
1274                 if(WIN32)
1275                         set(GLOG_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/glog/src/windows)
1276                 else()
1277                         set(GLOG_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extern/glog/include)
1278                 endif()
1279         endif()
1280 endif()
1281
1282 #-----------------------------------------------------------------------------
1283 # Configure Ceres
1284
1285 if(WITH_LIBMV)
1286         set(CERES_DEFINES)
1287
1288         if(WITH_CXX11)
1289                 # nothing to be done
1290         elseif(SHARED_PTR_FOUND)
1291                 if(SHARED_PTR_TR1_MEMORY_HEADER)
1292                         list(APPEND CERES_DEFINES -DCERES_TR1_MEMORY_HEADER)
1293                 endif()
1294                 if(SHARED_PTR_TR1_NAMESPACE)
1295                         list(APPEND CERES_DEFINES -DCERES_TR1_SHARED_PTR)
1296                 endif()
1297         else()
1298                 message(FATAL_ERROR "Ceres: Unable to find shared_ptr.")
1299         endif()
1300
1301         if(WITH_CXX11)
1302                 list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP)
1303         elseif(HAVE_STD_UNORDERED_MAP_HEADER)
1304                 if(HAVE_UNORDERED_MAP_IN_STD_NAMESPACE)
1305                         list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP)
1306                 else()
1307                         if(HAVE_UNORDERED_MAP_IN_TR1_NAMESPACE)
1308                                 list(APPEND CERES_DEFINES -DCERES_STD_UNORDERED_MAP_IN_TR1_NAMESPACE)
1309                         else()
1310                                 list(APPEND CERES_DEFINES -DCERES_NO_UNORDERED_MAP)
1311                                 message(STATUS "Ceres: Replacing unordered_map/set with map/set (warning: slower!)")
1312                         endif()
1313                 endif()
1314         else()
1315                 if(HAVE_UNORDERED_MAP_IN_TR1_NAMESPACE)
1316                         list(APPEND CERES_DEFINES -DCERES_TR1_UNORDERED_MAP)
1317                 else()
1318                         list(APPEND CERES_DEFINES -DCERES_NO_UNORDERED_MAP)
1319                         message(STATUS "Ceres: Replacing unordered_map/set with map/set (warning: slower!)")
1320                 endif()
1321         endif()
1322 endif()
1323
1324 #-----------------------------------------------------------------------------
1325 # Extra compile flags
1326
1327 if(CMAKE_COMPILER_IS_GNUCC)
1328
1329         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
1330         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_CAST_ALIGN -Wcast-align)
1331         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
1332         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
1333         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_VLA -Werror=vla)
1334         # system headers sometimes do this, disable for now, was: -Werror=strict-prototypes
1335         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_STRICT_PROTOTYPES  -Wstrict-prototypes)
1336         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_PROTOTYPES -Wmissing-prototypes)
1337         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
1338         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1339         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_POINTER_ARITH -Wpointer-arith)
1340         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_PARAMETER -Wunused-parameter)
1341         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_WRITE_STRINGS -Wwrite-strings)
1342         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_LOGICAL_OP -Wlogical-op)
1343         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNDEF -Wundef)
1344         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_INIT_SELF -Winit-self)  # needs -Wuninitialized
1345         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_NULL -Wnonnull)  # C only
1346         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
1347         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
1348         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_TYPE_LIMITS -Wtype-limits)
1349         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_FORMAT_SIGN -Wformat-signedness)
1350         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_RESTRICT -Wrestrict)
1351
1352         # gcc 4.2 gives annoying warnings on every file with this
1353         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.3")
1354                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNINITIALIZED -Wuninitialized)
1355         endif()
1356
1357         # versions before gcc4.6 give many BLI_math warnings
1358         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.6")
1359                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_REDUNDANT_DECLS       -Wredundant-decls)
1360                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_REDUNDANT_DECLS -Wredundant-decls)
1361         endif()
1362
1363         # versions before gcc4.8 include global name-space.
1364         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.8")
1365                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_SHADOW -Wshadow)
1366         endif()
1367
1368         # disable because it gives warnings for printf() & friends.
1369         # ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_DOUBLE_PROMOTION -Wdouble-promotion -Wno-error=double-promotion)
1370
1371         if(NOT APPLE)
1372                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)
1373         endif()
1374
1375         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
1376         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF -Wno-invalid-offsetof)
1377         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE -Wno-sign-compare)
1378         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_LOGICAL_OP -Wlogical-op)
1379         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_INIT_SELF -Winit-self)  # needs -Wuninitialized
1380         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
1381         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
1382         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_TYPE_LIMITS -Wtype-limits)
1383         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
1384         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
1385         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
1386         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1387         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_POINTER_ARITH -Wpointer-arith)
1388         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNUSED_PARAMETER -Wunused-parameter)
1389         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_WRITE_STRINGS -Wwrite-strings)
1390         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)
1391         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_FORMAT_SIGN -Wformat-signedness)
1392         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_RESTRICT -Wrestrict)
1393
1394         # gcc 4.2 gives annoying warnings on every file with this
1395         if(NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "4.3")
1396                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)
1397         endif()
1398
1399         # causes too many warnings
1400         if(NOT APPLE)
1401                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)
1402                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_MISSING_DECLARATIONS -Wmissing-declarations)
1403         endif()
1404
1405         # Use 'ATTR_FALLTHROUGH' macro to suppress.
1406         if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "7.0"))
1407                 ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)
1408                 ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_IMPLICIT_FALLTHROUGH -Wimplicit-fallthrough=5)
1409         endif()
1410
1411         # flags to undo strict flags
1412         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_DEPRECATED_DECLARATIONS -Wno-deprecated-declarations)
1413         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_PARAMETER        -Wno-unused-parameter)
1414         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_FUNCTION         -Wno-unused-function)
1415
1416         if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "7.0"))
1417                 ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_IMPLICIT_FALLTHROUGH    -Wno-implicit-fallthrough)
1418         endif()
1419
1420         if(NOT APPLE)
1421                 ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_ERROR_UNUSED_BUT_SET_VARIABLE -Wno-error=unused-but-set-variable)
1422         endif()
1423
1424 elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
1425
1426         # strange, clang complains these are not supported, but then uses them.
1427         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
1428         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
1429         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_RETURN_TYPE  -Werror=return-type)
1430         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_AUTOLOGICAL_COMPARE -Wno-tautological-compare)
1431         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1432         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
1433         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_STRICT_PROTOTYPES  -Wstrict-prototypes)
1434         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_PROTOTYPES -Wmissing-prototypes)
1435         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_PARAMETER -Wunused-parameter)
1436
1437         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
1438         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_AUTOLOGICAL_COMPARE -Wno-tautological-compare)
1439         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_UNKNOWN_PRAGMAS     -Wno-unknown-pragmas)
1440         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_CHAR_SUBSCRIPTS     -Wno-char-subscripts)
1441         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.
1442         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE        -Wno-sign-compare)
1443         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF    -Wno-invalid-offsetof)
1444
1445         # gives too many unfixable warnings
1446         # ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNUSED_MACROS      -Wunused-macros)
1447         # ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNUSED_MACROS          -Wunused-macros)
1448
1449         # flags to undo strict flags
1450         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_PARAMETER -Wno-unused-parameter)
1451         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_MACROS    -Wno-unused-macros)
1452
1453         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_VARIABLE_DECLARATIONS -Wno-missing-variable-declarations)
1454         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_INCOMPAT_PTR_DISCARD_QUAL -Wno-incompatible-pointer-types-discards-qualifiers)
1455         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_FUNCTION -Wno-unused-function)
1456         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_INT_TO_VOID_POINTER_CAST -Wno-int-to-void-pointer-cast)
1457         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_PROTOTYPES -Wno-missing-prototypes)
1458         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_DUPLICATE_ENUM -Wno-duplicate-enum)
1459         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_UNDEF -Wno-undef)
1460         ADD_CHECK_C_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_NORETURN -Wno-missing-noreturn)
1461
1462         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_PRIVATE_FIELD -Wno-unused-private-field)
1463         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_CXX11_NARROWING -Wno-c++11-narrowing)
1464         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_NON_VIRTUAL_DTOR -Wno-non-virtual-dtor)
1465         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_MACROS -Wno-unused-macros)
1466         ADD_CHECK_CXX_COMPILER_FLAG(CC_REMOVE_STRICT_FLAGS CXX_WARN_NO_REORDER -Wno-reorder)
1467
1468 elseif(CMAKE_C_COMPILER_ID MATCHES "Intel")
1469
1470         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
1471         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_POINTER_ARITH -Wpointer-arith)
1472         ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
1473
1474         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_ALL -Wall)
1475         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF -Wno-invalid-offsetof)
1476         ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE -Wno-sign-compare)
1477
1478         # disable numbered, false positives
1479         set(C_WARNINGS "${C_WARNINGS} -wd188,186,144,913,556,858,597,177,1292,167,279,592,94,2722,3199")
1480         set(CXX_WARNINGS "${CXX_WARNINGS} -wd188,186,144,913,556,858,597,177,1292,167,279,592,94,2722,3199")
1481 elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
1482         # most msvc warnings are C & C++
1483         set(_WARNINGS
1484                 # warning level:
1485                 "/W3"
1486                 "/w34062"  # switch statement contains 'default' but no 'case' labels
1487                 # disable:
1488                 "/wd4018"  # signed/unsigned mismatch
1489                 "/wd4146"  # unary minus operator applied to unsigned type, result still unsigned
1490                 "/wd4065"  # switch statement contains 'default' but no 'case' labels
1491                 "/wd4127"  # conditional expression is constant
1492                 "/wd4181"  # qualifier applied to reference type; ignored
1493                 "/wd4200"  # zero-sized array in struct/union
1494                 "/wd4244"  # conversion from 'type1' to 'type2', possible loss of data
1495                 "/wd4267"  # conversion from 'size_t' to 'type', possible loss of data
1496                 "/wd4305"  # truncation from 'type1' to 'type2'
1497                 "/wd4800"  # forcing value to bool 'true' or 'false'
1498                 "/wd4828"  # The file contains a character that is illegal
1499                 # errors:
1500                 "/we4013"  # 'function' undefined; assuming extern returning int
1501                 "/we4133"  # incompatible pointer types
1502                 "/we4431"  # missing type specifier - int assumed
1503         )
1504
1505         string(REPLACE ";" " " _WARNINGS "${_WARNINGS}")
1506         set(C_WARNINGS "${_WARNINGS}")
1507         set(CXX_WARNINGS "${_WARNINGS}")
1508         unset(_WARNINGS)
1509 endif()
1510
1511 # ensure python header is found since detection can fail, this could happen
1512 # with _any_ library but since we used a fixed python version this tends to
1513 # be most problematic.
1514 if(WITH_PYTHON)
1515         if(NOT EXISTS "${PYTHON_INCLUDE_DIR}/Python.h")
1516                 message(FATAL_ERROR
1517                         "Missing: \"${PYTHON_INCLUDE_DIR}/Python.h\",\n"
1518                         "Set the cache entry 'PYTHON_INCLUDE_DIR' to point "
1519                         "to a valid python include path. Containing "
1520                         "Python.h for python version \"${PYTHON_VERSION}\""
1521                 )
1522         endif()
1523
1524         if(WIN32)
1525                 # pass, we have this in an archive to extract
1526         elseif((WITH_PYTHON_INSTALL AND WITH_PYTHON_INSTALL_NUMPY) OR (WITH_AUDASPACE AND NOT WITH_SYSTEM_AUDASPACE))
1527                 if(("${PYTHON_NUMPY_PATH}" STREQUAL "") OR (${PYTHON_NUMPY_PATH} MATCHES NOTFOUND))
1528                         find_python_package(numpy)
1529                         unset(PYTHON_NUMPY_INCLUDE_DIRS CACHE)
1530                         set(PYTHON_NUMPY_INCLUDE_DIRS ${PYTHON_NUMPY_PATH}/numpy/core/include CACHE PATH "Path to the include directory of the numpy module")
1531                         mark_as_advanced(PYTHON_NUMPY_INCLUDE_DIRS)
1532                 endif()
1533         endif()
1534
1535         if(WIN32 OR APPLE)
1536                 # pass, we have this in lib/python/site-packages
1537         elseif(WITH_PYTHON_INSTALL_REQUESTS)
1538                 find_python_package(requests)
1539         endif()
1540 endif()
1541
1542 if(WITH_CXX11)
1543         if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
1544                 # TODO(sergey): Do we want c++11 or gnu-c++11 here?
1545                 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
1546         elseif(MSVC)
1547                 # Nothing special is needed, C++11 features are available by default.
1548         else()
1549                 message(FATAL_ERROR "Compiler ${CMAKE_C_COMPILER_ID} is not supported for C++11 build yet")
1550         endif()
1551 else()
1552         # GCC-6 switched to C++11 by default, which would break linking with existing libraries
1553         # by default. So we explicitly disable C++11 for a new GCC so no linking issues happens.
1554         if(CMAKE_COMPILER_IS_GNUCC AND (NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS "6.0"))
1555                 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++98")
1556                 # We also disable any of C++11 ABI from usage, so we wouldn't even try to
1557                 # link to stuff from std::__cxx11 namespace.
1558                 add_definitions("-D_GLIBCXX_USE_CXX11_ABI=0")
1559         endif()
1560 endif()
1561
1562 # Visual Studio has all standards it supports available by default
1563 # Clang on windows copies this behavior and does not support these switches
1564 if(
1565         CMAKE_COMPILER_IS_GNUCC OR
1566         (CMAKE_C_COMPILER_ID MATCHES "Clang" AND (NOT MSVC)) OR
1567         (CMAKE_C_COMPILER_ID MATCHES "Intel")
1568 )
1569         # Use C99 + GNU extensions, works with GCC, Clang, ICC
1570         if(WITH_C11)
1571                 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
1572         else()
1573                 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
1574         endif()
1575 endif()
1576
1577 # Include warnings first, so its possible to disable them with user defined flags
1578 # eg: -Wno-uninitialized
1579 set(CMAKE_C_FLAGS "${C_WARNINGS} ${CMAKE_C_FLAGS} ${PLATFORM_CFLAGS}")
1580 set(CMAKE_CXX_FLAGS "${CXX_WARNINGS} ${CMAKE_CXX_FLAGS} ${PLATFORM_CFLAGS}")
1581
1582 # defined above, platform specific but shared names
1583 mark_as_advanced(
1584         CYCLES_OSL
1585         OSL_LIB_EXEC
1586         OSL_COMPILER
1587         OSL_LIB_COMP
1588         OSL_LIB_QUERY
1589         OSL_INCLUDE_DIR
1590 )
1591
1592 mark_as_advanced(
1593         LLVM_CONFIG
1594         LLVM_ROOT_DIR
1595         LLVM_LIBRARY
1596         LLVM_VERSION
1597 )
1598
1599 #-------------------------------------------------------------------------------
1600 # Global Defines
1601
1602 # better not set includes here but this debugging option is off by default.
1603 if(WITH_CXX_GUARDEDALLOC)
1604         include_directories(${CMAKE_SOURCE_DIR}/intern/guardedalloc)
1605         add_definitions(-DWITH_CXX_GUARDEDALLOC)
1606 endif()
1607
1608 if(WITH_ASSERT_ABORT)
1609         add_definitions(-DWITH_ASSERT_ABORT)
1610 endif()
1611
1612 # message(STATUS "Using CFLAGS: ${CMAKE_C_FLAGS}")
1613 # message(STATUS "Using CXXFLAGS: ${CMAKE_CXX_FLAGS}")
1614
1615 #-----------------------------------------------------------------------------
1616 # Libraries
1617
1618 if(WITH_GTESTS)
1619         include(GTestTesting)
1620 endif()
1621
1622 if(WITH_BLENDER)
1623         add_subdirectory(intern)
1624         add_subdirectory(extern)
1625
1626         # source after intern and extern to gather all
1627         # internal and external library information first, for test linking
1628         add_subdirectory(source)
1629 elseif(WITH_CYCLES_STANDALONE)
1630         add_subdirectory(intern/cycles)
1631         add_subdirectory(extern/clew)
1632         if(WITH_CUDA_DYNLOAD)
1633                 add_subdirectory(extern/cuew)
1634         endif()
1635         if(NOT WITH_SYSTEM_GLEW)
1636                 add_subdirectory(extern/glew)
1637         endif()
1638 endif()
1639
1640 #-----------------------------------------------------------------------------
1641 # Blender Application
1642 if(WITH_BLENDER)
1643         add_subdirectory(source/creator)
1644 endif()
1645
1646
1647 #-----------------------------------------------------------------------------
1648 # Testing
1649 add_subdirectory(tests)
1650
1651
1652 #-----------------------------------------------------------------------------
1653 # CPack for generating packages
1654 include(build_files/cmake/packaging.cmake)
1655
1656 #-----------------------------------------------------------------------------
1657 # Use dynamic loading for OpenMP
1658 if(WITH_BLENDER)
1659         openmp_delayload(blender)
1660 endif()
1661
1662 #-----------------------------------------------------------------------------
1663 # Print Final Configuration
1664
1665 if(FIRST_RUN)
1666
1667         set(_config_msg "\nBlender Configuration\n=====================")
1668
1669         function(info_cfg_option
1670                 _setting
1671                 )
1672
1673                 set(_msg "  - ${_setting}")
1674                 string(LENGTH "${_msg}" _len)
1675                 while("32" GREATER "${_len}")
1676                         set(_msg "${_msg} ")
1677                         math(EXPR _len "${_len} + 1")
1678                 endwhile()
1679
1680                 set(_config_msg "${_config_msg}\n${_msg}${${_setting}}" PARENT_SCOPE)
1681         endfunction()
1682
1683         function(info_cfg_text
1684                 _text
1685                 )
1686
1687                 set(_config_msg "${_config_msg}\n\n  ${_text}" PARENT_SCOPE)
1688         endfunction()
1689
1690         message(STATUS "C Compiler:   \"${CMAKE_C_COMPILER_ID}\"")
1691         message(STATUS "C++ Compiler: \"${CMAKE_CXX_COMPILER_ID}\"")
1692
1693         info_cfg_text("Build Options:")
1694         info_cfg_option(WITH_BULLET)
1695         info_cfg_option(WITH_IK_SOLVER)
1696         info_cfg_option(WITH_IK_ITASC)
1697         info_cfg_option(WITH_OPENCOLLADA)
1698         info_cfg_option(WITH_FFTW3)
1699         info_cfg_option(WITH_INTERNATIONAL)
1700         info_cfg_option(WITH_INPUT_NDOF)
1701         info_cfg_option(WITH_CYCLES)
1702         info_cfg_option(WITH_FREESTYLE)
1703         info_cfg_option(WITH_OPENCOLORIO)
1704         info_cfg_option(WITH_OPENVDB)
1705         info_cfg_option(WITH_ALEMBIC)
1706
1707         info_cfg_text("Compiler Options:")
1708         info_cfg_option(WITH_BUILDINFO)
1709         info_cfg_option(WITH_OPENMP)
1710         info_cfg_option(WITH_RAYOPTIMIZATION)
1711
1712         info_cfg_text("System Options:")
1713         info_cfg_option(WITH_INSTALL_PORTABLE)
1714         info_cfg_option(WITH_X11_ALPHA)
1715         info_cfg_option(WITH_X11_XF86VMODE)
1716         info_cfg_option(WITH_X11_XFIXES)
1717         info_cfg_option(WITH_X11_XINPUT)
1718         info_cfg_option(WITH_MEM_JEMALLOC)
1719         info_cfg_option(WITH_MEM_VALGRIND)
1720         info_cfg_option(WITH_SYSTEM_GLEW)
1721         info_cfg_option(WITH_SYSTEM_OPENJPEG)
1722
1723         info_cfg_text("Image Formats:")
1724         info_cfg_option(WITH_OPENIMAGEIO)
1725         info_cfg_option(WITH_IMAGE_CINEON)
1726         info_cfg_option(WITH_IMAGE_DDS)
1727         info_cfg_option(WITH_IMAGE_HDR)
1728         info_cfg_option(WITH_IMAGE_OPENEXR)
1729         info_cfg_option(WITH_IMAGE_OPENJPEG)
1730         info_cfg_option(WITH_IMAGE_TIFF)
1731
1732         info_cfg_text("Audio:")
1733         info_cfg_option(WITH_OPENAL)
1734         info_cfg_option(WITH_SDL)
1735         info_cfg_option(WITH_SDL_DYNLOAD)
1736         info_cfg_option(WITH_JACK)
1737         info_cfg_option(WITH_JACK_DYNLOAD)
1738         info_cfg_option(WITH_CODEC_AVI)
1739         info_cfg_option(WITH_CODEC_FFMPEG)
1740         info_cfg_option(WITH_CODEC_SNDFILE)
1741
1742         info_cfg_text("Compression:")
1743         info_cfg_option(WITH_LZMA)
1744         info_cfg_option(WITH_LZO)
1745
1746         info_cfg_text("Python:")
1747         info_cfg_option(WITH_PYTHON_INSTALL)
1748         info_cfg_option(WITH_PYTHON_INSTALL_NUMPY)
1749         info_cfg_option(WITH_PYTHON_MODULE)
1750         info_cfg_option(WITH_PYTHON_SAFETY)
1751         if(APPLE)
1752                 info_cfg_option(WITH_PYTHON_FRAMEWORK)
1753         endif()
1754
1755         info_cfg_text("Modifiers:")
1756         info_cfg_option(WITH_MOD_REMESH)
1757         info_cfg_option(WITH_MOD_FLUID)
1758         info_cfg_option(WITH_MOD_OCEANSIM)
1759
1760         info_cfg_text("OpenGL:")
1761         info_cfg_option(WITH_GLEW_ES)
1762         info_cfg_option(WITH_GL_EGL)
1763         info_cfg_option(WITH_GL_PROFILE_ES20)
1764         if(WIN32)
1765                 info_cfg_option(WITH_GL_ANGLE)
1766         endif()
1767
1768         info_cfg_text("")
1769
1770         message("${_config_msg}")
1771 endif()
1772
1773 if(0)
1774         print_all_vars()
1775 endif()