build_files/cmake/macros.cmake

   1 # -*- mode: cmake; indent-tabs-mode: t; -*-
   2 # $Id$
   3
   4
   5 # foo_bar.spam --> foo_barMySuffix.spam
   6 macro(file_suffix
   7         file_name_new file_name file_suffix
   8         )
   9
  10         get_filename_component(_file_name_PATH ${file_name} PATH)
  11         get_filename_component(_file_name_NAME_WE ${file_name} NAME_WE)
  12         get_filename_component(_file_name_EXT ${file_name} EXT)
  13         set(${file_name_new} "${_file_name_PATH}/${_file_name_NAME_WE}${file_suffix}${_file_name_EXT}")
  14
  15         unset(_file_name_PATH)
  16         unset(_file_name_NAME_WE)
  17         unset(_file_name_EXT)
  18 endmacro()
  19
  20 # usefil for adding debug suffix to library lists:
  21 # /somepath/foo.lib --> /somepath/foo_d.lib
  22 macro(file_list_suffix
  23         fp_list_new fp_list fn_suffix
  24         )
  25
  26         # incase of empty list
  27         set(_fp)
  28         set(_fp_suffixed)
  29
  30         set(fp_list_new)
  31
  32         foreach(_fp ${fp_list})
  33                 file_suffix(_fp_suffixed "${_fp}" "${fn_suffix}")
  34                 list(APPEND "${fp_list_new}" "${_fp_suffixed}")
  35         endforeach()
  36
  37         unset(_fp)
  38         unset(_fp_suffixed)
  39
  40 endmacro()
  41
  42
  43 macro(target_link_libraries_optimized TARGET LIBS)
  44         foreach(_LIB ${LIBS})
  45                 target_link_libraries(${TARGET} optimized "${_LIB}")
  46         endforeach()
  47         unset(_LIB)
  48 endmacro()
  49
  50 macro(target_link_libraries_debug TARGET LIBS)
  51         foreach(_LIB ${LIBS})
  52                 target_link_libraries(${TARGET} debug "${_LIB}")
  53         endforeach()
  54         unset(_LIB)
  55 endmacro()
  56
  57 # Nicer makefiles with -I/1/foo/ instead of -I/1/2/3/../../foo/
  58 # use it instead of include_directories()
  59 macro(blender_include_dirs
  60         includes)
  61         set(_ALL_INCS "")
  62         foreach(_INC ${ARGV})
  63                 get_filename_component(_ABS_INC ${_INC} ABSOLUTE)
  64                 list(APPEND _ALL_INCS ${_ABS_INC})
  65                 # for checking for invalid includes, disable for regular use
  66                 ##if(NOT EXISTS "${_ABS_INC}/")
  67                 ##      message(FATAL_ERROR "Include not found: ${_ABS_INC}/")
  68                 ##endif()
  69         endforeach()
  70         include_directories(${_ALL_INCS})
  71         unset(_INC)
  72         unset(_ABS_INC)
  73         unset(_ALL_INCS)
  74 endmacro()
  75
  76 macro(blender_include_dirs_sys
  77         includes)
  78         set(_ALL_INCS "")
  79         foreach(_INC ${ARGV})
  80                 get_filename_component(_ABS_INC ${_INC} ABSOLUTE)
  81                 list(APPEND _ALL_INCS ${_ABS_INC})
  82                 ##if(NOT EXISTS "${_ABS_INC}/")
  83                 ##      message(FATAL_ERROR "Include not found: ${_ABS_INC}/")
  84                 ##endif()
  85         endforeach()
  86         include_directories(SYSTEM ${_ALL_INCS})
  87         unset(_INC)
  88         unset(_ABS_INC)
  89         unset(_ALL_INCS)
  90 endmacro()
  91
  92 macro(blender_source_group
  93         sources)
  94
  95         # Group by location on disk
  96         source_group("Source Files" FILES CMakeLists.txt)
  97
  98         foreach(_SRC ${sources})
  99                 get_filename_component(_SRC_EXT ${_SRC} EXT)
 100                 if((${_SRC_EXT} MATCHES ".h") OR (${_SRC_EXT} MATCHES ".hpp"))
 101                         source_group("Header Files" FILES ${_SRC})
 102                 else()
 103                         source_group("Source Files" FILES ${_SRC})
 104                 endif()
 105         endforeach()
 106
 107         unset(_SRC)
 108         unset(_SRC_EXT)
 109 endmacro()
 110
 111
 112 # only MSVC uses SOURCE_GROUP
 113 macro(blender_add_lib_nolist
 114         name
 115         sources
 116         includes
 117         includes_sys)
 118
 119         # message(STATUS "Configuring library ${name}")
 120
 121         # include_directories(${includes})
 122         # include_directories(SYSTEM ${includes_sys})
 123         blender_include_dirs("${includes}")
 124         blender_include_dirs_sys("${includes_sys}")
 125
 126         add_library(${name} ${sources})
 127
 128         # works fine without having the includes
 129         # listed is helpful for IDE's (QtCreator/MSVC)
 130         blender_source_group("${sources}")
 131
 132 endmacro()
 133
 134
 135 macro(blender_add_lib
 136         name
 137         sources
 138         includes
 139         includes_sys)
 140
 141         blender_add_lib_nolist(${name} "${sources}" "${includes}" "${includes_sys}")
 142
 143         set_property(GLOBAL APPEND PROPERTY BLENDER_LINK_LIBS ${name})
 144 endmacro()
 145
 146
 147 macro(SETUP_LIBDIRS)
 148         link_directories(${JPEG_LIBPATH} ${PNG_LIBPATH} ${ZLIB_LIBPATH} ${FREETYPE_LIBPATH})
 149
 150         if(WITH_PYTHON)  #  AND NOT WITH_PYTHON_MODULE  # WIN32 needs
 151                 link_directories(${PYTHON_LIBPATH})
 152         endif()
 153         if(WITH_INTERNATIONAL)
 154                 link_directories(${ICONV_LIBPATH})
 155                 link_directories(${GETTEXT_LIBPATH})
 156         endif()
 157         if(WITH_SDL)
 158                 link_directories(${SDL_LIBPATH})
 159         endif()
 160         if(WITH_CODEC_FFMPEG)
 161                 link_directories(${FFMPEG_LIBPATH})
 162         endif()
 163         if(WITH_IMAGE_OPENEXR)
 164                 link_directories(${OPENEXR_LIBPATH})
 165         endif()
 166         if(WITH_IMAGE_TIFF)
 167                 link_directories(${TIFF_LIBPATH})
 168         endif()
 169         if(WITH_IMAGE_OPENJPEG AND UNIX AND NOT APPLE)
 170                 link_directories(${OPENJPEG_LIBPATH})
 171         endif()
 172         if(WITH_CODEC_QUICKTIME)
 173                 link_directories(${QUICKTIME_LIBPATH})
 174         endif()
 175         if(WITH_OPENAL)
 176                 link_directories(${OPENAL_LIBPATH})
 177         endif()
 178         if(WITH_JACK)
 179                 link_directories(${JACK_LIBPATH})
 180         endif()
 181         if(WITH_CODEC_SNDFILE)
 182                 link_directories(${SNDFILE_LIBPATH})
 183         endif()
 184         if(WITH_FFTW3)
 185                 link_directories(${FFTW3_LIBPATH})
 186         endif()
 187         if(WITH_OPENCOLLADA)
 188                 link_directories(${OPENCOLLADA_LIBPATH})
 189                 link_directories(${PCRE_LIBPATH})
 190                 link_directories(${EXPAT_LIBPATH})
 191         endif()
 192         if(WITH_MEM_JEMALLOC)
 193                 link_directories(${JEMALLOC_LIBPATH})
 194         endif()
 195
 196         if(WIN32 AND NOT UNIX)
 197                 link_directories(${PTHREADS_LIBPATH})
 198         endif()
 199 endmacro()
 200
 201 macro(setup_liblinks
 202         target)
 203
 204         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${PLATFORM_LINKFLAGS}")
 205         set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${PLATFORM_LINKFLAGS_DEBUG}")
 206
 207         target_link_libraries(${target}
 208                         ${OPENGL_gl_LIBRARY}
 209                         ${OPENGL_glu_LIBRARY}
 210                         ${JPEG_LIBRARIES}
 211                         ${PNG_LIBRARIES}
 212                         ${ZLIB_LIBRARIES}
 213                         ${FREETYPE_LIBRARY}
 214                         ${PLATFORM_LINKLIBS})
 215
 216         # since we are using the local libs for python when compiling msvc projects, we need to add _d when compiling debug versions
 217         if(WITH_PYTHON)  # AND NOT WITH_PYTHON_MODULE  # WIN32 needs
 218                 target_link_libraries(${target} ${PYTHON_LINKFLAGS})
 219
 220                 if(WIN32 AND NOT UNIX)
 221                         file_list_suffix(PYTHON_LIBRARIES_DEBUG "${PYTHON_LIBRARIES}" "_d")
 222                         target_link_libraries_debug(${target} "${PYTHON_LIBRARIES_DEBUG}")
 223                         target_link_libraries_optimized(${target} "${PYTHON_LIBRARIES}")
 224                         unset(PYTHON_LIBRARIES_DEBUG)
 225                 else()
 226                         target_link_libraries(${target} ${PYTHON_LIBRARIES})
 227                 endif()
 228         endif()
 229
 230         if(NOT WITH_BUILTIN_GLEW)
 231                 target_link_libraries(${target} ${GLEW_LIBRARY})
 232         endif()
 233
 234         if(WITH_INTERNATIONAL)
 235                 target_link_libraries(${target} ${GETTEXT_LIBRARIES})
 236
 237                 if(WIN32 AND NOT UNIX)
 238                         target_link_libraries(${target} ${ICONV_LIBRARIES})
 239                 endif()
 240         endif()
 241
 242         if(WITH_OPENAL)
 243                 target_link_libraries(${target} ${OPENAL_LIBRARY})
 244         endif()
 245         if(WITH_FFTW3)
 246                 target_link_libraries(${target} ${FFTW3_LIBRARIES})
 247         endif()
 248         if(WITH_JACK)
 249                 target_link_libraries(${target} ${JACK_LIBRARIES})
 250         endif()
 251         if(WITH_CODEC_SNDFILE)
 252                 target_link_libraries(${target} ${SNDFILE_LIBRARIES})
 253         endif()
 254         if(WITH_SDL)
 255                 target_link_libraries(${target} ${SDL_LIBRARY})
 256         endif()
 257         if(WITH_CODEC_QUICKTIME)
 258                 target_link_libraries(${target} ${QUICKTIME_LIBRARIES})
 259         endif()
 260         if(WITH_IMAGE_TIFF)
 261                 target_link_libraries(${target} ${TIFF_LIBRARY})
 262         endif()
 263         if(WITH_IMAGE_OPENEXR)
 264                 if(WIN32 AND NOT UNIX)
 265                         file_list_suffix(OPENEXR_LIBRARIES_DEBUG "${OPENEXR_LIBRARIES}" "_d")
 266                         target_link_libraries_debug(${target} "${OPENEXR_LIBRARIES_DEBUG}")
 267                         target_link_libraries_optimized(${target} "${OPENEXR_LIBRARIES}")
 268                         unset(OPENEXR_LIBRARIES_DEBUG)
 269                 else()
 270                         target_link_libraries(${target} ${OPENEXR_LIBRARIES})
 271                 endif()
 272         endif()
 273         if(WITH_IMAGE_OPENJPEG AND UNIX AND NOT APPLE)
 274                 target_link_libraries(${target} ${OPENJPEG_LIBRARIES})
 275         endif()
 276         if(WITH_CODEC_FFMPEG)
 277
 278                 # Strange!, without this ffmpeg gives linking errors (on linux)
 279                 # even though its linked above
 280                 target_link_libraries(${target} ${OPENGL_glu_LIBRARY})
 281
 282                 target_link_libraries(${target} ${FFMPEG_LIBRARIES})
 283         endif()
 284         if(WITH_OPENCOLLADA)
 285                 if(WIN32 AND NOT UNIX)
 286                         file_list_suffix(OPENCOLLADA_LIBRARIES_DEBUG "${OPENCOLLADA_LIBRARIES}" "_d")
 287                         target_link_libraries_debug(${target} "${OPENCOLLADA_LIBRARIES_DEBUG}")
 288                         target_link_libraries_optimized(${target} "${OPENCOLLADA_LIBRARIES}")
 289                         unset(OPENCOLLADA_LIBRARIES_DEBUG)
 290
 291                         file_list_suffix(PCRE_LIBRARIES_DEBUG "${PCRE_LIBRARIES}" "_d")
 292                         target_link_libraries_debug(${target} "${PCRE_LIBRARIES_DEBUG}")
 293                         target_link_libraries_optimized(${target} "${PCRE_LIBRARIES}")
 294                         unset(PCRE_LIBRARIES_DEBUG)
 295
 296                         if(EXPAT_LIB)
 297                                 file_list_suffix(EXPAT_LIB_DEBUG "${EXPAT_LIB}" "_d")
 298                                 target_link_libraries_debug(${target} "${EXPAT_LIB_DEBUG}")
 299                                 target_link_libraries_optimized(${target} "${EXPAT_LIB}")
 300                                 unset(EXPAT_LIB_DEBUG)
 301                         endif()
 302                 else()
 303                         target_link_libraries(${target}
 304                                         ${OPENCOLLADA_LIBRARIES}
 305                                         ${PCRE_LIBRARIES}
 306                                         ${XML2_LIBRARIES}
 307                                         ${EXPAT_LIB})
 308                 endif()
 309         endif()
 310         if(WITH_MEM_JEMALLOC)
 311                 target_link_libraries(${target} ${JEMALLOC_LIBRARIES})
 312         endif()
 313         if(WITH_INPUT_NDOF)
 314                 target_link_libraries(${target} ${NDOF_LIBRARIES})
 315         endif()
 316
 317         if(WIN32 AND NOT UNIX)
 318                 target_link_libraries(${target} ${PTHREADS_LIBRARIES})
 319         endif()
 320 endmacro()
 321
 322 macro(TEST_SSE_SUPPORT
 323         _sse_flags
 324         _sse2_flags)
 325
 326         include(CheckCSourceRuns)
 327
 328         # message(STATUS "Detecting SSE support")
 329         if(CMAKE_COMPILER_IS_GNUCC OR (CMAKE_C_COMPILER_ID MATCHES "Clang"))
 330                 set(${_sse_flags} "-msse")
 331                 set(${_sse2_flags} "-msse2")
 332         elseif(MSVC)
 333                 set(${_sse_flags} "/arch:SSE")
 334                 set(${_sse2_flags} "/arch:SSE2")
 335         elseif(CMAKE_C_COMPILER_ID MATCHES "Intel")
 336                 set(${_sse_flags} "")  # icc defaults to -msse
 337                 set(${_sse2_flags} "-msse2")
 338         else()
 339                 message(WARNING "SSE flags for this compiler: '${CMAKE_C_COMPILER_ID}' not known")
 340                 set(${_sse_flags})
 341                 set(${_sse2_flags})
 342         endif()
 343
 344         set(CMAKE_REQUIRED_FLAGS "${${_sse_flags}} ${${_sse2_flags}}")
 345
 346         if(NOT DEFINED SUPPORT_SSE_BUILD)
 347                 # result cached
 348                 check_c_source_runs("
 349                         #include <xmmintrin.h>
 350                         int main(void) { __m128 v = _mm_setzero_ps(); return 0; }"
 351                 SUPPORT_SSE_BUILD)
 352
 353                 if(SUPPORT_SSE_BUILD)
 354                         message(STATUS "SSE Support: detected.")
 355                 else()
 356                         message(STATUS "SSE Support: missing.")
 357                 endif()
 358         endif()
 359
 360         if(NOT DEFINED SUPPORT_SSE2_BUILD)
 361                 # result cached
 362                 check_c_source_runs("
 363                         #include <emmintrin.h>
 364                         int main(void) { __m128d v = _mm_setzero_pd(); return 0; }"
 365                 SUPPORT_SSE2_BUILD)
 366
 367                 if(SUPPORT_SSE2_BUILD)
 368                         message(STATUS "SSE2 Support: detected.")
 369                 else()
 370                         message(STATUS "SSE2 Support: missing.")
 371                 endif()
 372         endif()
 373
 374         unset(CMAKE_REQUIRED_FLAGS)
 375 endmacro()
 376
 377 # when we have warnings as errors applied globally this
 378 # needs to be removed for some external libs which we dont maintain.
 379
 380 # utility macro
 381 macro(remove_flag
 382         flag)
 383
 384         string(REGEX REPLACE ${flag} "" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
 385         string(REGEX REPLACE ${flag} "" CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}")
 386         string(REGEX REPLACE ${flag} "" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
 387         string(REGEX REPLACE ${flag} "" CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL}")
 388         string(REGEX REPLACE ${flag} "" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
 389
 390         string(REGEX REPLACE ${flag} "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 391         string(REGEX REPLACE ${flag} "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
 392         string(REGEX REPLACE ${flag} "" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
 393         string(REGEX REPLACE ${flag} "" CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL}")
 394         string(REGEX REPLACE ${flag} "" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
 395
 396 endmacro()
 397
 398 macro(remove_strict_flags)
 399
 400         if(CMAKE_COMPILER_IS_GNUCC)
 401                 remove_flag("-Wstrict-prototypes")
 402                 remove_flag("-Wunused-parameter")
 403                 remove_flag("-Wwrite-strings")
 404                 remove_flag("-Wundef")
 405                 remove_flag("-Wshadow")
 406                 remove_flag("-Werror=[^ ]+")
 407                 remove_flag("-Werror")
 408         endif()
 409
 410         if(MSVC)
 411                 # TODO
 412         endif()
 413
 414 endmacro()
 415
 416 macro(ADD_CHECK_C_COMPILER_FLAG
 417         _CFLAGS
 418         _CACHE_VAR
 419         _FLAG)
 420
 421         include(CheckCCompilerFlag)
 422
 423         CHECK_C_COMPILER_FLAG("${_FLAG}" "${_CACHE_VAR}")
 424         if(${_CACHE_VAR})
 425                 # message(STATUS "Using CFLAG: ${_FLAG}")
 426                 set(${_CFLAGS} "${${_CFLAGS}} ${_FLAG}")
 427         else()
 428                 message(STATUS "Unsupported CFLAG: ${_FLAG}")
 429         endif()
 430 endmacro()
 431
 432 macro(ADD_CHECK_CXX_COMPILER_FLAG
 433         _CXXFLAGS
 434         _CACHE_VAR
 435         _FLAG)
 436
 437         include(CheckCXXCompilerFlag)
 438
 439         CHECK_CXX_COMPILER_FLAG("${_FLAG}" "${_CACHE_VAR}")
 440         if(${_CACHE_VAR})
 441                 # message(STATUS "Using CXXFLAG: ${_FLAG}")
 442                 set(${_CXXFLAGS} "${${_CXXFLAGS}} ${_FLAG}")
 443         else()
 444                 message(STATUS "Unsupported CXXFLAG: ${_FLAG}")
 445         endif()
 446 endmacro()
 447
 448 macro(get_blender_version)
 449         # So cmake depends on BKE_blender.h, beware of inf-loops!
 450         CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/source/blender/blenkernel/BKE_blender.h ${CMAKE_BINARY_DIR}/source/blender/blenkernel/BKE_blender.h.done)
 451
 452         file(STRINGS ${CMAKE_SOURCE_DIR}/source/blender/blenkernel/BKE_blender.h _contents REGEX "^#define[ \t]+BLENDER_.*$")
 453
 454         string(REGEX REPLACE ".*#define[ \t]+BLENDER_VERSION[ \t]+([0-9]+).*" "\\1" _out_version "${_contents}")
 455         string(REGEX REPLACE ".*#define[ \t]+BLENDER_SUBVERSION[ \t]+([0-9]+).*" "\\1" _out_subversion "${_contents}")
 456         string(REGEX REPLACE ".*#define[ \t]+BLENDER_VERSION_CHAR[ \t]+([a-z]+).*" "\\1" _out_version_char "${_contents}")
 457         string(REGEX REPLACE ".*#define[ \t]+BLENDER_VERSION_CYCLE[ \t]+([a-z]+).*" "\\1" _out_version_cycle "${_contents}")
 458
 459         if(NOT ${_out_version} MATCHES "[0-9]+")
 460                 message(FATAL_ERROR "Version parsing failed for BLENDER_VERSION")
 461         endif()
 462
 463         if(NOT ${_out_subversion} MATCHES "[0-9]+")
 464                 message(FATAL_ERROR "Version parsing failed for BLENDER_SUBVERSION")
 465         endif()
 466
 467         # clumsy regex, only single char are ok but it could be unset
 468
 469         string(LENGTH "${_out_version_char}" _out_version_char_len)
 470         if(NOT _out_version_char_len EQUAL 1)
 471                 set(_out_version_char "")
 472         elseif(NOT ${_out_version_char} MATCHES "[a-z]+")
 473                 message(FATAL_ERROR "Version parsing failed for BLENDER_VERSION_CHAR")
 474         endif()
 475
 476         if(NOT ${_out_version_cycle} MATCHES "[a-z]+")
 477                 message(FATAL_ERROR "Version parsing failed for BLENDER_VERSION_CYCLE")
 478         endif()
 479
 480         math(EXPR BLENDER_VERSION_MAJOR "${_out_version} / 100")
 481         math(EXPR BLENDER_VERSION_MINOR "${_out_version} % 100")
 482         set(BLENDER_VERSION "${BLENDER_VERSION_MAJOR}.${BLENDER_VERSION_MINOR}")
 483
 484         set(BLENDER_SUBVERSION ${_out_subversion})
 485         set(BLENDER_VERSION_CHAR ${_out_version_char})
 486         set(BLENDER_VERSION_CYCLE ${_out_version_cycle})
 487
 488         # for packaging, alpha to numbers
 489         string(COMPARE EQUAL "${BLENDER_VERSION_CHAR}" "" _out_version_char_empty)
 490         if(${_out_version_char_empty})
 491                 set(BLENDER_VERSION_CHAR_INDEX "0")
 492         else()
 493                 set(_char_ls a b c d e f g h i j k l m n o p q r s t u v w x y z)
 494                 list(FIND _char_ls ${BLENDER_VERSION_CHAR} _out_version_char_index)
 495                 math(EXPR BLENDER_VERSION_CHAR_INDEX "${_out_version_char_index} + 1")
 496                 unset(_char_ls)
 497                 unset(_out_version_char_index)
 498         endif()
 499
 500         unset(_out_subversion)
 501         unset(_out_version_char)
 502         unset(_out_version_char_empty)
 503         unset(_out_version_cycle)
 504
 505         # message(STATUS "Version (Internal): ${BLENDER_VERSION}.${BLENDER_SUBVERSION}, Version (external): ${BLENDER_VERSION}${BLENDER_VERSION_CHAR}-${BLENDER_VERSION_CYCLE}")
 506 endmacro()
 507
 508
 509 # hacks to override initial project settings
 510 # these macros must be called directly before/after project(Blender)
 511 macro(blender_project_hack_pre)
 512         # ----------------
 513         # MINGW HACK START
 514         # ignore system set flag, use our own
 515         # must be before project(...)
 516         # if the user wants to add their own its ok after first run.
 517         if(DEFINED CMAKE_C_STANDARD_LIBRARIES)
 518                 set(_reset_standard_libraries OFF)
 519         else()
 520                 set(_reset_standard_libraries ON)
 521         endif()
 522
 523         # ------------------
 524         # GCC -O3 HACK START
 525         # needed because O3 can cause problems but
 526         # allow the builder to set O3 manually after.
 527         if(DEFINED CMAKE_C_FLAGS_RELEASE)
 528                 set(_reset_standard_cflags_rel OFF)
 529         else()
 530                 set(_reset_standard_cflags_rel ON)
 531         endif()
 532         if(DEFINED CMAKE_CXX_FLAGS_RELEASE)
 533                 set(_reset_standard_cxxflags_rel OFF)
 534         else()
 535                 set(_reset_standard_cxxflags_rel ON)
 536         endif()
 537 endmacro()
 538
 539
 540 macro(blender_project_hack_post)
 541         # --------------
 542         # MINGW HACK END
 543         if (_reset_standard_libraries)
 544                 # Must come after project(...)
 545                 #
 546                 # MINGW workaround for -ladvapi32 being included which surprisingly causes
 547                 # string formatting of floats, eg: printf("%.*f", 3, value). to crash blender
 548                 # with a meaningless stack trace. by overriding this flag we ensure we only
 549                 # have libs we define and that cmake & scons builds match.
 550                 set(CMAKE_C_STANDARD_LIBRARIES "" CACHE STRING "" FORCE)
 551                 set(CMAKE_CXX_STANDARD_LIBRARIES "" CACHE STRING "" FORCE)
 552                 mark_as_advanced(
 553                         CMAKE_C_STANDARD_LIBRARIES
 554                         CMAKE_CXX_STANDARD_LIBRARIES
 555                 )
 556         endif()
 557         unset(_reset_standard_libraries)
 558
 559
 560         # ----------------
 561         # GCC -O3 HACK END
 562         if(_reset_standard_cflags_rel)
 563                 string(REGEX REPLACE "-O3" "-O2" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
 564                 set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}" CACHE STRING "" FORCE)
 565                 mark_as_advanced(CMAKE_C_FLAGS_RELEASE)
 566         endif()
 567
 568         if(_reset_standard_cxxflags_rel)
 569                 string(REGEX REPLACE "-O3" "-O2" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
 570                 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "" FORCE)
 571                 mark_as_advanced(CMAKE_CXX_FLAGS_RELEASE)
 572         endif()
 573
 574         unset(_reset_standard_cflags_rel)
 575         unset(_reset_standard_cxxflags_rel)
 576
 577         # ------------------------------------------------------------------
 578         # workaround for omission in cmake 2.8.4's GNU.cmake, fixed in 2.8.5
 579         if(CMAKE_COMPILER_IS_GNUCC)
 580                 if(NOT DARWIN)
 581                         set(CMAKE_INCLUDE_SYSTEM_FLAG_C "-isystem ")
 582                 endif()
 583         endif()
 584
 585 endmacro()