opencv/CMakeLists.txt

   1 # ----------------------------------------------------------------------------
   2 #  Root CMake file for OpenCV
   3 #
   4 #    From the off-tree build directory, invoke:
   5 #      $ cmake <PATH_TO_OPENCV_ROOT>
   6 #
   7 #
   8 #   - OCT-2008: Initial version <joseluisblancoc@gmail.com>
   9 #
  10 # ----------------------------------------------------------------------------
  11
  12 set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
  13
  14 # it _must_ go before PROJECT(OpenCV) in order to work
  15 if (NOT CMAKE_INSTALL_PREFIX)
  16     if (WIN32)
  17         set(CMAKE_INSTALL_PREFIX ${CMAKE_BINARY_DIR} CACHE INTERNAL "" FORCE)
  18     elseif()
  19         set(CMAKE_INSTALL_PREFIX "/usr" CACHE INTERNAL "" FORCE)
  20     endif()
  21 endif()
  22
  23 set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Configs" FORCE)
  24 set(CMAKE_C_FLAGS_MINSIZEREL "" CACHE INTERNAL "" FORCE)
  25 set(CMAKE_C_FLAGS_RELWITHDEBINFO "" CACHE INTERNAL "" FORCE)
  26 set(CMAKE_CXX_FLAGS_MINSIZEREL "" CACHE INTERNAL "" FORCE)
  27 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "" CACHE INTERNAL "" FORCE)
  28 set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "" CACHE INTERNAL "" FORCE)
  29 set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "" CACHE INTERNAL "" FORCE)
  30 set(CMAKE_MODULE_LINKER_FLAGS_MINSIZEREL "" CACHE INTERNAL "" FORCE)
  31 set(CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO "" CACHE INTERNAL "" FORCE)
  32 set(CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL "" CACHE INTERNAL "" FORCE)
  33 set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "" CACHE INTERNAL "" FORCE)
  34
  35 project(OpenCV)
  36
  37 cmake_minimum_required(VERSION 2.4)
  38
  39 if(MSVC)
  40     set(CMAKE_USE_RELATIVE_PATHS ON CACHE INTERNAL "" FORCE)
  41 endif()
  42
  43 # --------------------------------------------------------------
  44 # Indicate CMake 2.7 and above that we don't want to mix relative
  45 #  and absolute paths in linker lib lists.
  46 # Run "cmake --help-policy CMP0003" for more information.
  47 # --------------------------------------------------------------
  48 if(COMMAND cmake_policy)
  49     cmake_policy(SET CMP0003 NEW)
  50 endif()
  51
  52 # ----------------------------------------------------------------------------
  53 #  Current version number:
  54 # ----------------------------------------------------------------------------
  55 set(OPENCV_VERSION "1.1.0")
  56
  57 string(REGEX MATCHALL "[0-9]" OPENCV_VERSION_PARTS "${OPENCV_VERSION}")
  58
  59 list(GET OPENCV_VERSION_PARTS 0 OPENCV_VERSION_MAJOR)
  60 list(GET OPENCV_VERSION_PARTS 1 OPENCV_VERSION_MINOR)
  61 list(GET OPENCV_VERSION_PARTS 2 OPENCV_VERSION_PATCH)
  62
  63 set(OPENCV_SOVERSION "${OPENCV_VERSION_MAJOR}.${OPENCV_VERSION_MINOR}")
  64
  65 if(WIN32)
  66         # Postfix of DLLs:
  67         set(OPENCV_DLLVERSION "${OPENCV_VERSION_MAJOR}${OPENCV_VERSION_MINOR}${OPENCV_VERSION_PATCH}")
  68         set(OPENCV_DEBUG_POSTFIX d)
  69 else()
  70         # Postfix of so's:
  71         #set(OPENCV_DLLVERSION "${OPENCV_VERSION_MAJOR}${OPENCV_VERSION_MINOR}${OPENCV_VERSION_PATCH}")
  72         set(OPENCV_DLLVERSION "")
  73         set(OPENCV_DEBUG_POSTFIX)
  74 endif()
  75
  76
  77 # ----------------------------------------------------------------------------
  78 #  Variables for cvconfig.h.cmake
  79 # ----------------------------------------------------------------------------
  80 set(PACKAGE "opencv")
  81 set(PACKAGE_BUGREPORT "opencvlibrary-devel@lists.sourceforge.net")
  82 set(PACKAGE_NAME "opencv")
  83 set(PACKAGE_STRING "${PACKAGE} ${OPENCV_VERSION}")
  84 set(PACKAGE_TARNAME "${PACKAGE}")
  85 set(PACKAGE_VERSION "${OPENCV_VERSION}")
  86
  87 # ----------------------------------------------------------------------------
  88 #  Autodetect if we are in a SVN repository
  89 # ----------------------------------------------------------------------------
  90 find_program(SVNVERSION_PATH svnversion)
  91 mark_as_advanced(force SVNVERSION_PATH)
  92 if(SVNVERSION_PATH)
  93     message(STATUS "Extracting svn version, please wait...")
  94     execute_process(COMMAND ${SVNVERSION_PATH} -n ${CMAKE_SOURCE_DIR} OUTPUT_VARIABLE SVNVERSION_RESULT)
  95
  96     if(SVNVERSION_RESULT MATCHES "exported")
  97        # This is NOT a svn repository:
  98        set(OPENCV_SVNVERSION "")
  99     else()
 100         set(OPENCV_SVNVERSION " svn:${SVNVERSION_RESULT}")
 101     endif()
 102
 103     message(STATUS "SVNVERSION: ${OPENCV_SVNVERSION}")
 104 else()
 105     # We don't have svnversion:
 106     set(OPENCV_SVNVERSION "")
 107 endif()
 108
 109 # ----------------------------------------------------------------------------
 110 # Detect GNU version:
 111 # ----------------------------------------------------------------------------
 112 if(CMAKE_COMPILER_IS_GNUCXX)
 113     execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version
 114                   OUTPUT_VARIABLE CMAKE_OPENCV_GCC_VERSION_FULL
 115                   OUTPUT_STRIP_TRAILING_WHITESPACE)
 116
 117     # Typical output in CMAKE_OPENCV_GCC_VERSION_FULL: "c+//0 (whatever) 4.2.3 (...)"
 118     #  Look for the version number
 119     string(REGEX MATCH "[0-9].[0-9].[0-9]" CMAKE_GCC_REGEX_VERSION "${CMAKE_OPENCV_GCC_VERSION_FULL}")
 120
 121     # Split the three parts:
 122     string(REGEX MATCHALL "[0-9]" CMAKE_OPENCV_GCC_VERSIONS "${CMAKE_GCC_REGEX_VERSION}")
 123
 124     list(GET CMAKE_OPENCV_GCC_VERSIONS 0 CMAKE_OPENCV_GCC_VERSION_MAJOR)
 125     list(GET CMAKE_OPENCV_GCC_VERSIONS 1 CMAKE_OPENCV_GCC_VERSION_MINOR)
 126
 127     set(CMAKE_OPENCV_GCC_VERSION ${CMAKE_OPENCV_GCC_VERSION_MAJOR}${CMAKE_OPENCV_GCC_VERSION_MINOR})
 128     message(STATUS "Detected version of GNU GCC: ${CMAKE_OPENCV_GCC_VERSION}")
 129 endif()
 130
 131 # ----------------------------------------------------------------------------
 132 #               CHECK FOR SYSTEM LIBRARIES, OPTIONS, ETC..
 133 # ----------------------------------------------------------------------------
 134
 135 # Build/install (or not) some apps:
 136 # ===================================================
 137 set(BUILD_EXAMPLES OFF CACHE BOOL "Build all examples")
 138 set(INSTALL_C_EXAMPLES OFF CACHE BOOL "Install C examples")
 139 set(INSTALL_PYTHON_EXAMPLES OFF CACHE BOOL "Install Python examples")
 140 set(INSTALL_OCTAVE_EXAMPLES OFF CACHE BOOL "Install Octave examples")
 141
 142 # Build tests:
 143 # ===================================================
 144 set(BUILD_TESTS ON CACHE BOOL "Build tests")
 145
 146 # Build 3rdparty libraries under unix
 147 # ===================================================
 148 if(WIN32)
 149         set(OPENCV_BUILD_3RDPARTY_LIBS TRUE  CACHE BOOL "Build 3rd party libraries")
 150 else()
 151         set(OPENCV_BUILD_3RDPARTY_LIBS FALSE CACHE BOOL "Build 3rd party libraries")
 152 endif()
 153
 154 if(UNIX)
 155     include(OpenCVFindPkgConfig.cmake OPTIONAL)
 156     include(CheckFunctionExists)
 157     include(CheckIncludeFile)
 158 endif()
 159
 160 # Default value for OPENMP:
 161 #  MSVC: Yes
 162 #  Others: No
 163 # ===================================================
 164 if(MSVC)
 165         set(DEFAULT_OPENCV_ENABLE_OPENMP ON)
 166 else()
 167         set(DEFAULT_OPENCV_ENABLE_OPENMP OFF)
 168 endif()
 169
 170 set(OPENCV_ENABLE_OPENMP ${DEFAULT_OPENCV_ENABLE_OPENMP} CACHE BOOL "")
 171
 172 if(CMAKE_COMPILER_IS_GNUCXX)
 173     set(OPENCV_ENABLE_PROFILING OFF CACHE BOOL "Enable profiling in the GCC compiler (Add flags: -g -pg)")
 174     set(OPENCV_USE_OMIT_FRAME_POINTER ON CACHE BOOL "Enable -fomit-frame-pointer for GCC")
 175     if(${CMAKE_SYSTEM_PROCESSOR} MATCHES arm*)
 176         # We can use only -O2 because the -O3 causes gcc crash
 177         set(OPENCV_USE_O2 ON CACHE BOOL "Enable -O2 for GCC")
 178         set(OPENCV_USE_FAST_MATH ON CACHE BOOL "Enable -ffast-math for GCC")
 179     endif()
 180     if(${CMAKE_SYSTEM_PROCESSOR} MATCHES amd64*)
 181         set(OPENCV_USE_O3 ON CACHE BOOL "Enable -O3 for GCC")
 182         set(OPENCV_USE_FAST_MATH ON CACHE BOOL "Enable -ffast-math for GCC")
 183         set(OPENCV_USE_MMX ON CACHE BOOL "Enable MMX for GCC")
 184         set(OPENCV_USE_SSE ON CACHE BOOL "Enable SSE for GCC")
 185         set(OPENCV_USE_SSE2 ON CACHE BOOL "Enable SSE2 for GCC")
 186         set(OPENCV_USE_SSE3 ON CACHE BOOL "Enable SSE3 for GCC")
 187     endif()
 188     if(${CMAKE_SYSTEM_PROCESSOR} MATCHES x86_64*)
 189         set(OPENCV_USE_O3 ON CACHE BOOL "Enable -O3 for GCC")
 190         set(OPENCV_USE_FAST_MATH ON CACHE BOOL "Enable -ffast-math for GCC")
 191         set(OPENCV_USE_MMX ON CACHE BOOL "Enable MMX for GCC")
 192         set(OPENCV_USE_SSE ON CACHE BOOL "Enable SSE for GCC")
 193         set(OPENCV_USE_SSE2 ON CACHE BOOL "Enable SSE2 for GCC")
 194         set(OPENCV_USE_SSE3 ON CACHE BOOL "Enable SSE3 for GCC")
 195     endif()
 196     if(${CMAKE_SYSTEM_PROCESSOR} MATCHES powerpc*)
 197         set(OPENCV_USE_O3 ON CACHE BOOL "Enable -O3 for GCC")
 198         set(OPENCV_USE_POWERPC ON CACHE BOOL "Enable PowerPC for GCC")
 199     endif ()
 200     if(${CMAKE_SYSTEM_PROCESSOR} MATCHES i686*)
 201         set(OPENCV_USE_O3 ON CACHE BOOL "Enable -O3 for GCC")
 202         set(OPENCV_USE_FAST_MATH ON CACHE BOOL "Enable -ffast-math for GCC")
 203         set(OPENCV_USE_MMX ON CACHE BOOL "Enable MMX for GCC")
 204                 set(OPENCV_USE_SSE OFF CACHE BOOL "Enable SSE for GCC")
 205         set(OPENCV_USE_SSE2 OFF CACHE BOOL "Enable SSE2 for GCC")
 206         set(OPENCV_USE_SSE3 OFF CACHE BOOL "Enable SSE3 for GCC")
 207         # SSE/SSE2 might probably be not available for some old AMD or VIA processors
 208     endif ()
 209     if(${CMAKE_SYSTEM_PROCESSOR} MATCHES x86)
 210         set(OPENCV_USE_O3 ON CACHE BOOL "Enable -O3 for GCC")
 211         set(OPENCV_USE_FAST_MATH ON CACHE BOOL "Enable -ffast-math for GCC")
 212         set(OPENCV_USE_MMX ON CACHE BOOL "Enable MMX for GCC")
 213                 set(OPENCV_USE_SSE OFF CACHE BOOL "Enable SSE for GCC")
 214         set(OPENCV_USE_SSE2 OFF CACHE BOOL "Enable SSE2 for GCC")
 215         set(OPENCV_USE_SSE3 OFF CACHE BOOL "Enable SSE3 for GCC")
 216         # SSE/SSE2 might probably be not available for some old AMD or VIA processors
 217     endif ()
 218 endif()
 219
 220 # ===================================================
 221 # Macros that checks if module have been installed.
 222 # After it adds module to build and define
 223 # constants passed as second arg
 224 # ===================================================
 225
 226 macro(CHECK_MODULE module_name define)
 227     set(${define} 0)
 228     if(PKG_CONFIG_FOUND)
 229         set(ALIAS               ALIASOF_${module_name})
 230         set(ALIAS_FOUND                 ${ALIAS}_FOUND)
 231         set(ALIAS_INCLUDE_DIRS   ${ALIAS}_INCLUDE_DIRS)
 232         set(ALIAS_LIBRARY_DIRS   ${ALIAS}_LIBRARY_DIRS)
 233         set(ALIAS_LIBRARIES         ${ALIAS}_LIBRARIES)
 234
 235         PKG_CHECK_MODULES(${ALIAS} ${module_name})
 236
 237         if (${ALIAS_FOUND})
 238             set(${define} 1)
 239             foreach(P "${ALIAS_INCLUDE_DIRS}")
 240                 if (${P})
 241                     list(APPEND HIGHGUI_INCLUDE_DIRS ${${P}})
 242                 endif()
 243             endforeach()
 244
 245             foreach(P "${ALIAS_LIBRARY_DIRS}")
 246                 if (${P})
 247                     list(APPEND HIGHGUI_LIBRARY_DIRS ${${P}})
 248                 endif()
 249             endforeach()
 250
 251             list(APPEND HIGHGUI_LIBRARIES ${${ALIAS_LIBRARIES}})
 252         endif()
 253     endif()
 254 endmacro()
 255
 256 if(UNIX)
 257     if(NOT APPLE)
 258         CHECK_MODULE(gtk+-2.0 HAVE_GTK)
 259         CHECK_MODULE(gthread-2.0 HAVE_GTHREAD)
 260         CHECK_MODULE(gstreamer-base-0.10 HAVE_GSTREAMER)
 261     endif()
 262
 263     CHECK_MODULE(libunicap HAVE_UNICAP_)
 264     CHECK_MODULE(libucil HAVE_UNICAP_UCIL)
 265     if(HAVE_UNICAP_ AND HAVE_UNICAP_UCIL)
 266         set(HAVE_UNICAP 1)
 267     endif()
 268
 269     CHECK_MODULE(libavcodec HAVE_FFMPEG_CODEC)
 270     CHECK_MODULE(libavformat HAVE_FFMPEG_FORMAT)
 271     CHECK_MODULE(libavutil HAVE_FFMPEG_UTIL)
 272     CHECK_MODULE(libswscale HAVE_FFMPEG_SWSCALE)
 273     CHECK_INCLUDE_FILE(libavformat/avformat.h HAVE_GENTOO_FFMPEG)
 274     if(HAVE_FFMPEG_CODEC AND HAVE_FFMPEG_FORMAT AND HAVE_FFMPEG_UTIL)
 275         set(HAVE_FFMPEG 1)
 276     endif()
 277
 278     CHECK_MODULE(libdc1394-2 HAVE_DC1394_2)
 279     if(NOT HAVE_DC1394_2)
 280         CHECK_MODULE(libdc1394 HAVE_DC1394)
 281     endif()
 282
 283     if(NOT APPLE)
 284         CHECK_INCLUDE_FILE(alloca.h HAVE_ALLOCA_H)
 285         CHECK_FUNCTION_EXISTS(alloca HAVE_ALLOCA)
 286         CHECK_INCLUDE_FILE(unistd.h HAVE_UNISTD_H)
 287         CHECK_INCLUDE_FILE(pthread.h HAVE_LIBPTHREAD)
 288
 289         CHECK_MODULE(libxine HAVE_XINE)
 290                 CHECK_MODULE(libv4l1 HAVE_LIBV4L)
 291         CHECK_INCLUDE_FILE(linux/videodev.h HAVE_CAMV4L)
 292         CHECK_INCLUDE_FILE(linux/videodev2.h HAVE_CAMV4L2)
 293
 294                 if(NOT OPENCV_BUILD_3RDPARTY_LIBS)
 295                         include(FindPNG)
 296                         if(PNG_FOUND)
 297                                 CHECK_INCLUDE_FILE(${PNG_PNG_INCLUDE_DIR}/png.h HAVE_PNG_H)
 298                                 CHECK_INCLUDE_FILE(${PNG_PNG_INCLUDE_DIR}/libpng/png.h HAVE_LIBPNG_PNG_H)
 299                         endif()
 300                         include(FindJPEG)
 301                         include(FindTIFF)
 302                         include(FindJasper)
 303                 endif()
 304
 305         set(OPENCV_LINKER_LIBS dl m pthread rt)
 306     else()
 307         add_definitions(-DHAVE_ALLOCA -DHAVE_ALLOCA_H -DHAVE_LIBPTHREAD -DHAVE_UNISTD_H)
 308     endif()
 309 endif()
 310
 311 set(BUILD_PYTHON_SUPPORT OFF CACHE BOOL "Build with Python support")
 312 set(BUILD_OCTAVE_SUPPORT OFF CACHE BOOL "Build with Octave support")
 313
 314 find_package(SWIG)
 315 if(SWIG_FOUND)
 316
 317     find_package(PythonInterp)
 318     find_package(PythonLibs)
 319
 320     # cmake 2.4 (at least on Ubuntu 8.04 (hardy)) don't define PYTHONLIBS_FOUND
 321     if(NOT PYTHONLIBS_FOUND AND PYTHON_INCLUDE_PATH)
 322         set(PYTHONLIBS_FOUND ON)
 323     endif(NOT PYTHONLIBS_FOUND AND PYTHON_INCLUDE_PATH)
 324
 325     # Build with python if installed:
 326     # ===================================================
 327     if(PYTHONLIBS_FOUND AND BUILD_PYTHON_SUPPORT)
 328         execute_process(COMMAND ${PYTHON_EXECUTABLE} --version
 329                   ERROR_VARIABLE PYTHON_VERSION_FULL
 330                   OUTPUT_STRIP_TRAILING_WHITESPACE)
 331
 332         string(REGEX MATCH "[0-9].[0-9]" PYTHON_VERSION_MAJOR_MINOR "${PYTHON_VERSION_FULL}")
 333         if(UNIX)
 334             set(PYTHON_PLUGIN_INSTALL_PATH lib/python${PYTHON_VERSION_MAJOR_MINOR}/site-packages/opencv)
 335         endif()
 336         if(WIN32)
 337             get_filename_component(PYTHON_PATH "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${PYTHON_VERSION_MAJOR_MINOR}\\InstallPath]" ABSOLUTE CACHE)
 338             set(PYTHON_PLUGIN_INSTALL_PATH "${PYTHON_PATH}/Lib/site-packages/opencv")
 339         endif()
 340     endif()
 341
 342 endif()
 343
 344 if(WIN32)
 345
 346 set(IPP_FOUND)
 347 foreach(v "6.1" "6.0" "5.3" "5.2" "5.1")
 348     if(NOT IPP_FOUND)
 349         find_path(IPP_PATH "ippi-${v}.dll"
 350             PATHS ${CMAKE_PROGRAM_PATH} ${CMAKE_SYSTEM_PROGRAM_PATH}
 351             DOC "The path to IPP DLLs")
 352         if(IPP_PATH)
 353             file(GLOB IPP_HDRS "${IPP_PATH}/../include")
 354             if(IPP_HDRS)
 355                 set(IPP_FOUND TRUE)
 356             endif()
 357         endif()
 358     endif()
 359 endforeach()
 360
 361 message(STATUS "IPP detected: ${IPP_FOUND}")
 362 set(USE_IPP ${IPP_FOUND} CACHE BOOL "Use IPP when available")
 363
 364 if(IPP_FOUND AND USE_IPP)
 365     add_definitions(-DHAVE_IPP)
 366     include_directories("${IPP_PATH}/../include")
 367     link_directories("${IPP_PATH}/../lib")
 368     set(IPP_LIBS ippsmerged.lib ippsemerged.lib ippimerged.lib ippiemerged.lib
 369         ippvmmerged.lib ippvmemerged.lib ippccmerged.lib ippccemerged.lib
 370         ippcvmerged.lib ippcvemerged.lib ippcorel.lib)
 371 endif()
 372
 373 endif()
 374
 375 # ----------------------------------------------------------------------------
 376 #                               UPDATE CONFIG FILES & SCRIPTS:
 377 #
 378 #  CONFIGURE_FILE(InputFile OutputFile [COPYONLY] [ESCAPE_QUOTES] [@ONLY])
 379 # If @ONLY is specified, only variables of the form @VAR@ will be
 380 #  replaces and ${VAR} will be ignored.
 381 #
 382 #  A directory will be created for each platform so the "cvconfig.h" file is
 383 #   not overwritten if cmake generates code in the same path.
 384 # ----------------------------------------------------------------------------
 385 add_definitions(-DHAVE_CONFIG_H)
 386
 387 set(OPENCV_CONFIG_FILE_INCLUDE_DIR "${CMAKE_BINARY_DIR}/" CACHE PATH "Where to create the platform-dependant cvconfig.h")
 388
 389 message(STATUS "Parsing 'cvconfig.h.cmake'")
 390 configure_file("${CMAKE_SOURCE_DIR}/cvconfig.h.cmake" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cvconfig.h")
 391
 392 # ---------------------------------------------------------------------------
 393 # The C+//0 include & link directories:
 394 # ---------------------------------------------------------------------------
 395 include_directories("."
 396     "${OPENCV_CONFIG_FILE_INCLUDE_DIR}"
 397     "${CMAKE_SOURCE_DIR}/include"
 398     "${CMAKE_SOURCE_DIR}/include/opencv"
 399     )
 400
 401 # ----------------------------------------------------------------------------
 402 #                       Set the maximum level of warnings:
 403 # ----------------------------------------------------------------------------
 404 # Should be set to true for development
 405 set(OPENCV_WARNINGS_ARE_ERRORS OFF CACHE BOOL "Treat warnings as errors")
 406
 407 # Whole program optimization?
 408 set(OPENCV_WHOLE_PROGRAM_OPTIMIZATION OFF CACHE BOOL "Flags for whole program optimization.")
 409
 410 set(EXTRA_C_FLAGS "")
 411 set(EXTRA_C_FLAGS_RELEASE "")
 412 set(EXTRA_C_FLAGS_DEBUG "")
 413 set(EXTRA_EXE_LINKER_FLAGS "")
 414 set(EXTRA_EXE_LINKER_FLAGS_RELEASE "")
 415 set(EXTRA_EXE_LINKER_FLAGS_DEBUG "")
 416
 417 if(MSVC)
 418     set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE")
 419     # 64-bit portability warnings, in MSVC8
 420     if(MSVC80)
 421         set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} /Wp64")
 422     endif()
 423
 424     set(EXTRA_EXE_LINKER_FLAGS_RELEASE "${EXTRA_EXE_LINKER_FLAGS_RELEASE} /debug")
 425
 426     # Whole program optimization
 427     if(OPENCV_WHOLE_PROGRAM_OPTIMIZATION AND MSVC_VERSION GREATER 1300)
 428         set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} /GL")
 429         set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG")
 430         set(CMAKE_MODULE_LINKER_FLAGS_RELEASE "${CMAKE_MODULE_LINKER_FLAGS_RELEASE} /LTCG")
 431     endif()
 432
 433     if(OPENCV_ENABLE_OPENMP)
 434         set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} /openmp")
 435     endif()
 436
 437     # Remove unreferenced functions: function level linking
 438     set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} /Gy")
 439     set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} /Zi")
 440 endif()
 441
 442 if(CMAKE_COMPILER_IS_GNUCXX)
 443     # High level of warnings.
 444     set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wall")
 445
 446     # The -Wno-long-long is required in 64bit systems when including sytem headers.
 447     if(${CMAKE_SYSTEM_PROCESSOR} MATCHES amd64* OR ${CMAKE_SYSTEM_PROCESSOR} MATCHES x86_64*)
 448     set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-long-long")
 449     endif()
 450
 451     # We need pthread's
 452     if(UNIX)
 453         set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -pthread")
 454     endif()
 455
 456     if(OPENCV_WARNINGS_ARE_ERRORS)
 457         set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Werror")
 458     endif()
 459
 460     # Whole program optimization
 461     if(OPENCV_WHOLE_PROGRAM_OPTIMIZATION)
 462         set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -fwhole-program --combine")
 463     endif()
 464
 465     # Other optimizations
 466     if(OPENCV_USE_OMIT_FRAME_POINTER)
 467        set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -fomit-frame-pointer")
 468     endif()
 469     if(OPENCV_USE_O2)
 470        set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -O2")
 471     endif()
 472     if(OPENCV_USE_O3)
 473        set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -O3")
 474     endif()
 475     if(OPENCV_USE_FAST_MATH)
 476        set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -ffast-math")
 477     endif()
 478     if(OPENCV_USE_POWERPC)
 479        set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -mcpu=G3 -mtune=G5")
 480     endif()
 481     if(OPENCV_USE_MMX)
 482        set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -mmmx")
 483     endif()
 484     # SSE should be disabled under MingW because it generates compiler errors
 485     if(OPENCV_USE_SSE)
 486        set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -msse")
 487     endif()
 488     # SSE2 should be disabled under MingW because it generates compiler errors
 489     if(OPENCV_USE_SSE2)
 490        set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -msse2")
 491     endif()
 492     # SSE3 should be disabled under MingW because it generates compiler errors
 493     if(OPENCV_USE_SSE3 AND NOT MINGW)
 494        set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -msse3")
 495     endif()
 496
 497     # Profiling?
 498     if(OPENCV_ENABLE_PROFILING)
 499         set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -pg -g")
 500     else()
 501         # Remove unreferenced functions: function level linking
 502         if(NOT APPLE)
 503             set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -ffunction-sections")
 504         endif()
 505     endif()
 506
 507     # Parallel mode
 508     if(OPENCV_ENABLE_OPENMP)
 509         set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -D_GLIBCXX_PARALLEL -fopenmp")
 510     endif()
 511
 512     set(EXTRA_C_FLAGS_RELEASE "${EXTRA_C_FLAGS_RELEASE} -DNDEBUG")
 513     set(EXTRA_C_FLAGS_DEBUG "${EXTRA_C_FLAGS_DEBUG} -O0 -DDEBUG -D_DEBUG")
 514 endif()
 515
 516
 517 # Add user supplied extra options (optimization, etc...)
 518 # ==========================================================
 519 set(OPENCV_EXTRA_C_FLAGS ${EXTRA_C_FLAGS} CACHE STRING "Extra compiler options" FORCE)
 520 set(OPENCV_EXTRA_C_FLAGS_RELEASE ${EXTRA_C_FLAGS_RELEASE} CACHE STRING "Extra compiler options for Release build" FORCE)
 521 set(OPENCV_EXTRA_C_FLAGS_DEBUG ${EXTRA_C_FLAGS_DEBUG} CACHE STRING "Extra compiler options for Debug build" FORCE)
 522 set(OPENCV_EXTRA_EXE_LINKER_FLAGS ${EXTRA_EXE_LINKER_FLAGS} CACHE STRING "Extra linker flags" FORCE)
 523 set(OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE ${EXTRA_EXE_LINKER_FLAGS_RELEASE} CACHE STRING "Extra linker flags for Release build" FORCE)
 524 set(OPENCV_EXTRA_EXE_LINKER_FLAGS_DEBUG ${EXTRA_EXE_LINKER_FLAGS_DEBUG} CACHE STRING "Extra linker flags for Debug build" FORCE)
 525
 526 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OPENCV_EXTRA_C_FLAGS}")
 527 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OPENCV_EXTRA_C_FLAGS}")
 528 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${OPENCV_EXTRA_C_FLAGS_RELEASE}")
 529 set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${OPENCV_EXTRA_C_FLAGS_RELEASE}")
 530 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${OPENCV_EXTRA_C_FLAGS_DEBUG}")
 531 set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${OPENCV_EXTRA_C_FLAGS_DEBUG}")
 532 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OPENCV_EXTRA_EXE_LINKER_FLAGS}")
 533 set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE}")
 534 set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${OPENCV_EXTRA_EXE_LINKER_FLAGS_DEBUG}")
 535
 536 # In case of Makefiles if the user does not setup CMAKE_BUILD_TYPE, assume it's Release:
 537 if (${CMAKE_GENERATOR} MATCHES ".*Makefiles")
 538     if("${CMAKE_BUILD_TYPE}" STREQUAL "")
 539         set(CMAKE_BUILD_TYPE Release)
 540     endif()
 541 endif()
 542
 543 if (WIN32 AND MSVC)
 544     # avoid warnings from MSVC about overriding the /W* option
 545     # we replace /W3 with /W4 only for C++ files,
 546     # since all the 3rd-party libraries OpenCV uses are in C,
 547     # and we do not care about their warnings.
 548     string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 549     string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
 550     string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
 551 endif()
 552
 553 if("${CMAKE_CONFIGURE_LDFLAGS}")
 554     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_CONFIGURE_LDFLAGS}")
 555 endif("${CMAKE_CONFIGURE_LDFLAGS}")
 556
 557 # ----------------------------------------------------------------------------
 558 #                                       PROCESS SUBDIRECTORIES:
 559 # ----------------------------------------------------------------------------
 560 # Save libs and executables in the same place
 561 set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR}/lib CACHE PATH "Output directory for libraries" )
 562 set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin CACHE PATH "Output directory for applications" )
 563
 564 if(WIN32)
 565 set(OPENCV_DOC_INSTALL_PATH doc)
 566 else()
 567 set(OPENCV_DOC_INSTALL_PATH share/opencv/doc)
 568 endif()
 569
 570 #-----------------------------------
 571 # Subdirectories:
 572 #-----------------------------------
 573 add_subdirectory(src)
 574 add_subdirectory(apps)
 575 add_subdirectory(doc)
 576 add_subdirectory(data)
 577
 578 if(BUILD_EXAMPLES OR INSTALL_PYTHON_EXAMPLES OR INSTALL_OCTAVE_EXAMPLES)
 579     add_subdirectory(samples)
 580 endif()
 581
 582 if(BUILD_TESTS)
 583     enable_testing()
 584     add_subdirectory(tests)
 585 endif()
 586
 587 add_subdirectory(interfaces)
 588 add_subdirectory(3rdparty)
 589
 590 # --------------------------------------------------------------------------------------------
 591 #   Installation for CMake Module:  OpenCVConfig.cmake
 592 #  Part 1/3: ${BIN_DIR}/OpenCVConfig.cmake              -> For use *without* "make install"
 593 #  Part 2/3: ${BIN_DIR}/unix-install/OpenCVConfig.cmake -> For use with "make install"
 594 #  Part 3/3: ${BIN_DIR}/win-install/OpenCVConfig.cmake  -> For use within binary installers/packages
 595 # -------------------------------------------------------------------------------------------
 596
 597 # -------------------------------------------------------------------------------------------
 598 #  Part 1/2: ${BIN_DIR}/OpenCVConfig.cmake              -> For use *without* "make install"
 599 # -------------------------------------------------------------------------------------------
 600
 601 # Name of libraries is: libcv.so.1.1.0, etc...
 602 #  OPENCV_DLLVERSION must be set to "110", etc..
 603 # Already done above.
 604
 605 # Set CMAKE_INCLUDE_DIRS_CONFIGCMAKE to the list of include directories:
 606 set(CMAKE_INCLUDE_DIRS_CONFIGCMAKE)
 607 list(APPEND CMAKE_INCLUDE_DIRS_CONFIGCMAKE "${OPENCV_CONFIG_FILE_INCLUDE_DIR}")
 608 list(APPEND CMAKE_INCLUDE_DIRS_CONFIGCMAKE "${CMAKE_SOURCE_DIR}/include")
 609 list(APPEND CMAKE_INCLUDE_DIRS_CONFIGCMAKE "${CMAKE_SOURCE_DIR}/include/opencv")
 610
 611 set(CMAKE_LIB_DIRS_CONFIGCMAKE ${LIBRARY_OUTPUT_PATH})
 612
 613 configure_file("${CMAKE_SOURCE_DIR}/OpenCVConfig.cmake.in" "${CMAKE_BINARY_DIR}/OpenCVConfig.cmake" IMMEDIATE @ONLY)
 614
 615 # --------------------------------------------------------------------------------------------
 616 #  Part 2/2: ${BIN_DIR}/unix-install/OpenCVConfig.cmake -> For use *with* "make install"
 617 # -------------------------------------------------------------------------------------------
 618 # Set CMAKE_INCLUDE_DIRS_CONFIGCMAKE to the list of include directories:
 619
 620 set(CMAKE_INCLUDE_DIRS_CONFIGCMAKE "${CMAKE_INSTALL_PREFIX}/include/opencv")
 621 set(CMAKE_LIB_DIRS_CONFIGCMAKE "${CMAKE_INSTALL_PREFIX}/lib")
 622
 623 #exec_program(${CMAKE_COMMAND} ARGS "-E make_directory \"${CMAKE_BINARY_DIR}/unix-install/\"")
 624 exec_program(mkdir ARGS "-p \"${CMAKE_BINARY_DIR}/unix-install/\"")
 625 configure_file("${CMAKE_SOURCE_DIR}/OpenCVConfig.cmake.in" "${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig.cmake" IMMEDIATE @ONLY)
 626
 627 if(UNIX)
 628     # For a command "FIND_PACKAGE(FOO)", CMake will look at the directory /usr/share|lib/FOO/FOOConfig.cmake, so:
 629     install(FILES ${CMAKE_BINARY_DIR}/unix-install/OpenCVConfig.cmake DESTINATION ${CMAKE_INSTALL_PREFIX}/share/opencv/)
 630 endif()
 631
 632 # --------------------------------------------------------------------------------------------
 633 #  Part 3/3: ${BIN_DIR}/win-install/OpenCVConfig.cmake  -> For use within binary installers/packages
 634 # -------------------------------------------------------------------------------------------
 635 if(WIN32)
 636         # Set CMAKE_INCLUDE_DIRS_CONFIGCMAKE to the list of include directories:
 637
 638         # This will expand to, for example, <program files>/OpenCV 1.1.0/include
 639         set(CMAKE_INCLUDE_DIRS_CONFIGCMAKE "\"\${THIS_OPENCV_CONFIG_PATH}/include\"")
 640
 641         # This will expand to, for example, <program files>/OpenCV 1.1.0/lib
 642         set(CMAKE_LIB_DIRS_CONFIGCMAKE "\"\${THIS_OPENCV_CONFIG_PATH}/lib\"")
 643
 644         #exec_program(${CMAKE_COMMAND} ARGS "-E make_directory \"${CMAKE_BINARY_DIR}/win-install/\"")
 645         exec_program(mkdir ARGS "-p \"${CMAKE_BINARY_DIR}/win-install/\"")
 646         configure_file("${CMAKE_SOURCE_DIR}/OpenCVConfig.cmake.in" "${CMAKE_BINARY_DIR}/win-install/OpenCVConfig.cmake" IMMEDIATE @ONLY)
 647 endif()
 648
 649
 650 # --------------------------------------------------------------------------------------------
 651 #  Part 2/2: ${BIN_DIR}/unix-install/opencv.pc -> For use *with* "make install"
 652 # prefix=/usr
 653 # exec_prefix=${prefix}
 654 # libdir=${exec_prefix}/lib
 655 # includedir=${prefix}/include/opencv
 656 # -------------------------------------------------------------------------------------------
 657 set(prefix              ${CMAKE_INSTALL_PREFIX})
 658 set(exec_prefix         "\${prefix}")
 659 set(libdir              "\${exec_prefix}/lib")
 660 set(includedir          "\${prefix}/include")
 661 set(VERSION             ${OPENCV_VERSION})
 662
 663 configure_file("${CMAKE_SOURCE_DIR}/opencv.pc.cmake.in" "${CMAKE_BINARY_DIR}/unix-install/opencv.pc" @ONLY IMMEDIATE)
 664
 665 if(UNIX)
 666     install(FILES ${CMAKE_BINARY_DIR}/unix-install/opencv.pc DESTINATION lib/pkgconfig)
 667 endif()
 668
 669
 670 # ----------------------------------------------------------------------------
 671 #   Uninstall target, for "make uninstall"
 672 # ----------------------------------------------------------------------------
 673 CONFIGURE_FILE(
 674   "${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
 675   "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
 676   IMMEDIATE @ONLY)
 677
 678 ADD_CUSTOM_TARGET(uninstall
 679   "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
 680
 681
 682 # Make sure the system libraries are also copied when doing an "INSTALL":
 683 # ----------------------------------------------------------------------------
 684 include(InstallRequiredSystemLibraries)
 685
 686
 687 # ----------------------------------------------------------------------------
 688 #   CPack target
 689 # ----------------------------------------------------------------------------
 690
 691 option(BUILD_PACKAGE "Build a installer with the SDK")
 692
 693 if(BUILD_PACKAGE)
 694
 695         configure_file(
 696         Package.cmake.in
 697         ${CMAKE_BINARY_DIR}/.cpack/Package.cmake
 698         @ONLY
 699         )
 700
 701         install(FILES
 702                 AUTHORS
 703                 ChangeLog
 704                 COPYING
 705                 INSTALL
 706                 NEWS
 707                 README
 708                 THANKS
 709                 TODO
 710                 DESTINATION ${OPENCV_DOC_INSTALL_PATH}
 711         COMPONENT doc
 712                 )
 713
 714         include(${CMAKE_BINARY_DIR}/.cpack/Package.cmake)
 715
 716 endif()
 717
 718 # ----------------------------------------------------------------------------
 719 #   Sumary:
 720 # ----------------------------------------------------------------------------
 721 message(STATUS "")
 722 message(STATUS "General configuration for opencv ${OPENCV_VERSION} =====================================")
 723 message(STATUS "")
 724 message(STATUS "    Compiler:                  ${CMAKE_COMPILER}")
 725 message(STATUS "    C++ flags (Release):       ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE}")
 726 message(STATUS "    C++ flags (Debug):         ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG}")
 727 if(WIN32)
 728 message(STATUS "    Linker flags (Release):    ${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
 729 message(STATUS "    Linker flags (Debug):      ${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_DEBUG}")
 730 else()
 731 message(STATUS "    Linker flags (Release):    ${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
 732 message(STATUS "    Linker flags (Debug):      ${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS_DEBUG}")
 733 endif()
 734
 735 if(UNIX)
 736 if(NOT APPLE)
 737 message(STATUS "")
 738 message(STATUS "  GUI: ")
 739 message(STATUS "    GTK+ 2.x:                  ${HAVE_GTK}")
 740 message(STATUS "    GThread:                   ${HAVE_GTHREAD}")
 741 message(STATUS "")
 742 if(NOT OPENCV_BUILD_3RDPARTY_LIBS)
 743 message(STATUS "  Image I/O: ")
 744 message(STATUS "    JPEG:                      ${JPEG_FOUND}")
 745 message(STATUS "    PNG:                       ${PNG_FOUND}")
 746 message(STATUS "    TIFF:                      ${TIFF_FOUND}")
 747 message(STATUS "    JASPER:                    ${JASPER_FOUND}")
 748 else()
 749 message(STATUS "  Image I/O: ")
 750 message(STATUS "    JPEG:                      build")
 751 message(STATUS "    PNG:                       build")
 752 message(STATUS "    TIFF:                      build")
 753 message(STATUS "    JASPER:                    build")
 754 endif()
 755 endif()
 756 message(STATUS "")
 757 message(STATUS "  Video I/O: ")
 758 message(STATUS "    DC1394 1.x:                ${HAVE_DC1394}")
 759 message(STATUS "    DC1394 2.x:                ${HAVE_DC1394_2}")
 760 message(STATUS "    FFMPEG:                    ${HAVE_FFMPEG}")
 761 message(STATUS "    GStreamer:                 ${HAVE_GSTREAMER}")
 762 message(STATUS "    UniCap:                    ${HAVE_UNICAP}")
 763 if(HAVE_LIBV4L)
 764 message(STATUS "    V4L/V4L2:                  Using libv4l")
 765 else()
 766 message(STATUS "    V4L/V4L2:                  ${HAVE_CAMV4L}/${HAVE_CAMV4L2}")
 767 endif()
 768 message(STATUS "    Xine:                      ${HAVE_XINE}")
 769 endif()
 770 message(STATUS "")
 771 message(STATUS "  Interfaces: ")
 772 if(PYTHONLIBS_FOUND AND BUILD_PYTHON_SUPPORT)
 773 message(STATUS "    Python:                    1")
 774 else()
 775 message(STATUS "    Python:                    0")
 776 endif()
 777 if(IPP_FOUND AND USE_IPP)
 778 message(STATUS "    Use IPP:                   1")
 779 else()
 780 message(STATUS "    Use IPP:                   0")
 781 endif()
 782 message(STATUS "")
 783 message(STATUS "    Install path:              ${CMAKE_INSTALL_PREFIX}")
 784 message(STATUS "")
 785 message(STATUS "    cvconfig.h is in:          ${OPENCV_CONFIG_FILE_INCLUDE_DIR}")
 786 message(STATUS "-----------------------------------------------------------------")
 787 message(STATUS "")
 788
 789 #----------------------------------------------------------------------------
 790 #   Generate the OpenCVConfig.cmake file for unix
 791 #      installation in CMAKE_INSTALL_PREFIX
 792 #----------------------------------------------------------------------------