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