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