From 91ede347c8aefd5255a4279d1203d35ce30e67c2 Mon Sep 17 00:00:00 2001
From: Simon Garnier <garnier@njit.edu>
Date: Thu, 20 Jul 2023 09:16:05 +0200
Subject: [PATCH] Upgrade to OpenCV 4.8.0

---
 DESCRIPTION                             |    7 +-
 NEWS.md                                 |   12 +
 R/opencv.R                              |   40 +-
 cran-comments.md                        |    2 +-
 docs/404.html                           |    2 +-
 docs/LICENSE-text.html                  |    2 +-
 docs/articles/index.html                |    2 +-
 docs/articles/install.html              |    2 +-
 docs/articles/usage.html                |    2 +-
 docs/authors.html                       |    8 +-
 docs/index.html                         |    2 +-
 docs/news/index.html                    |   13 +-
 docs/pkgdown.yml                        |    4 +-
 docs/reference/OpenCVPath.html          |    2 +-
 docs/reference/ROpenCVLite-package.html |    2 +-
 docs/reference/defaultOpenCVPath.html   |    4 +-
 docs/reference/index.html               |    2 +-
 docs/reference/installOpenCV.html       |    2 +-
 docs/reference/isCmakeInstalled.html    |    2 +-
 docs/reference/isOpenCVInstalled.html   |    2 +-
 docs/reference/opencvConfig.html        |    4 +-
 docs/reference/opencvVersion.html       |    4 +-
 docs/reference/removeOpenCV.html        |    2 +-
 inst/OpenCVModule.4.8.0.cmake           | 1464 +++++++++++++++++++++++
 24 files changed, 1537 insertions(+), 51 deletions(-)
 create mode 100644 inst/OpenCVModule.4.8.0.cmake

diff --git a/DESCRIPTION b/DESCRIPTION
index b06a7b9..696fe40 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: ROpenCVLite
 Type: Package
 Title: Helper Package for Installing OpenCV with R
-Version: 4.70.0
-Date: 2022-12-28
+Version: 4.80.0
+Date: 2023-07-20
 Authors@R: c(
     person("Simon", "Garnier", email = "garnier@njit.edu", role = c("aut", "cre"),
       comment = c(ORCID = "0000-0002-3886-3974")),
@@ -21,8 +21,7 @@ Imports:
     pkgbuild,
     parallel
 SystemRequirements: 
-  cmake,
-  C++11
+  cmake
 RoxygenNote: 7.2.3
 Biarch: true
 Encoding: UTF-8
diff --git a/NEWS.md b/NEWS.md
index 3d9dc06..f3616ef 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,15 @@
+# ROpenCVLite 4.80.0
+
+## New features
+
+* Upgrade package to OpenCV 4.8.0.
+
+## Minor improvements and fixes
+
+* N/A.
+
+---
+
 # ROpenCVLite 4.70.0
 
 ## New features
diff --git a/R/opencv.R b/R/opencv.R
index ea15bd0..f51f0b6 100644
--- a/R/opencv.R
+++ b/R/opencv.R
@@ -181,21 +181,21 @@ installOpenCV <- function(path = defaultOpenCVPath(), batch = FALSE) {
       }
     }
 
-    Sys.setenv(CXX_STD = "CXX11")
+    # Sys.setenv(CXX_STD = "CXX11")
 
     if (.Platform$OS.type == "windows") {
       dir.create(path, showWarnings = FALSE)
       tmpDir <- gsub("\\\\", "/", base::tempdir())
       dir.create(tmpDir, showWarnings = FALSE)
 
-      utils::download.file("https://github.com/opencv/opencv/archive/4.7.0.tar.gz",
-                           paste0(tmpDir, "/opencv-4.7.0.tar.gz"))
-      utils::untar(paste0(tmpDir, "/opencv-4.7.0.tar.gz"),
+      utils::download.file("https://github.com/opencv/opencv/archive/4.8.0.tar.gz",
+                           paste0(tmpDir, "/opencv-4.8.0.tar.gz"))
+      utils::untar(paste0(tmpDir, "/opencv-4.8.0.tar.gz"),
                    exdir = tmpDir)
 
-      utils::download.file("https://github.com/opencv/opencv_contrib/archive/4.7.0.tar.gz",
-                           paste0(tmpDir, "/opencv_contrib-4.7.0.tar.gz"))
-      utils::untar(paste0(tmpDir, "/opencv_contrib-4.7.0.tar.gz"),
+      utils::download.file("https://github.com/opencv/opencv_contrib/archive/4.8.0.tar.gz",
+                           paste0(tmpDir, "/opencv_contrib-4.8.0.tar.gz"))
+      utils::untar(paste0(tmpDir, "/opencv_contrib-4.8.0.tar.gz"),
                    exdir = tmpDir)
 
       arch <- c("64", "32")
@@ -227,7 +227,7 @@ installOpenCV <- function(path = defaultOpenCVPath(), batch = FALSE) {
                   gpp_path <- paste0(rtools4Path, "/x86_64-w64-mingw32.static.posix", "/bin/g++.exe")
                   windres_path <- paste0(rtools4Path, "/x86_64-w64-mingw32.static.posix", "/bin/windres.exe")
                   make_path <- paste0(rtools4Path, "/usr/bin/make.exe")
-                  system(paste0('cmake -G "Unix Makefiles" -DCMAKE_C_COMPILER=', gcc_path, ' -DCMAKE_CXX_COMPILER=', gpp_path, ' -DCMAKE_RC_COMPILER=', windres_path, ' -DCMAKE_MAKE_PROGRAM=', make_path, ' -DENABLE_PRECOMPILED_HEADERS=OFF -DOpenCV_ARCH=', openCVArch, ' -DOpenCV_RUNTIME=mingw -DENABLE_CXX11=ON -DBUILD_ZLIB=ON -DOPENCV_EXTRA_MODULES_PATH=', contribDir, ' -DBUILD_LIST=calib3d,core,dnn,features2d,flann,gapi,highgui,imgcodecs,imgproc,ml,objdetect,photo,stitching,video,videoio,ximgproc -DBUILD_opencv_world=OFF -DBUILD_opencv_contrib_world=OFF -DWITH_OPENMP=ON -DWITH_TBB=ON -DWITH_FFMPEG=ON -DWITH_OPENCL=ON -DWITH_EIGEN=ON -DWITH_OPENCLAMDFFT=ON -DWITH_OPENCLAMDBLAS=ON -DBUILD_PERF_TESTS=OFF -DBUILD_TESTS=OFF -DWITH_DSHOW=ON -DBUILD_PROTOBUF=ON -DOPENCV_ENABLE_ALLOCATOR_STATS=OFF -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=', path, ' -B', buildDir, ' -H', sourceDir))
+                  system(paste0('cmake -G "Unix Makefiles" -DCMAKE_C_COMPILER=', gcc_path, ' -DCMAKE_CXX_COMPILER=', gpp_path, ' -DCMAKE_RC_COMPILER=', windres_path, ' -DCMAKE_MAKE_PROGRAM=', make_path, ' -DENABLE_PRECOMPILED_HEADERS=OFF -DOpenCV_ARCH=', openCVArch, ' -DOpenCV_RUNTIME=mingw -DBUILD_ZLIB=ON -DOPENCV_EXTRA_MODULES_PATH=', contribDir, ' -DBUILD_LIST=calib3d,core,dnn,features2d,flann,gapi,highgui,imgcodecs,imgproc,ml,objdetect,photo,stitching,video,videoio,ximgproc -DBUILD_opencv_world=OFF -DBUILD_opencv_contrib_world=OFF -DWITH_OPENMP=ON -DWITH_TBB=ON -DWITH_FFMPEG=ON -DWITH_OPENCL=ON -DWITH_EIGEN=ON -DWITH_OPENCLAMDFFT=ON -DWITH_OPENCLAMDBLAS=ON -DBUILD_PERF_TESTS=OFF -DBUILD_TESTS=OFF -DWITH_DSHOW=ON -DBUILD_PROTOBUF=ON -DOPENCV_ENABLE_ALLOCATOR_STATS=OFF -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=', path, ' -B', buildDir, ' -H', sourceDir))
                   system(paste0(make_path, " -j", parallel::detectCores(), " -C ", buildDir))
                   system(paste0(make_path, " -C", buildDir, " install"))
                 } else {
@@ -238,7 +238,7 @@ installOpenCV <- function(path = defaultOpenCVPath(), batch = FALSE) {
                 gpp_path <- paste0(rtools4Path, "/mingw", arch[i], "/bin/g++.exe")
                 windres_path <- paste0(rtools4Path, "/mingw", arch[i], "/bin/windres.exe")
                 make_path <- paste0(rtools4Path, "/usr/bin/make.exe")
-                system(paste0('cmake -G "Unix Makefiles" -DCMAKE_C_COMPILER=', gcc_path, ' -DCMAKE_CXX_COMPILER=', gpp_path, ' -DCMAKE_RC_COMPILER=', windres_path, ' -DCMAKE_MAKE_PROGRAM=', make_path, ' -DENABLE_PRECOMPILED_HEADERS=OFF -DOpenCV_ARCH=', openCVArch, ' -DOpenCV_RUNTIME=mingw -DENABLE_CXX11=ON -DBUILD_ZLIB=ON -DOPENCV_EXTRA_MODULES_PATH=', contribDir, ' -DBUILD_LIST=calib3d,core,dnn,features2d,flann,gapi,highgui,imgcodecs,imgproc,ml,objdetect,photo,stitching,video,videoio,ximgproc -DBUILD_opencv_world=OFF -DBUILD_opencv_contrib_world=OFF -DWITH_OPENMP=ON -DWITH_TBB=ON -DWITH_FFMPEG=ON -DWITH_OPENCL=ON -DWITH_EIGEN=ON -DWITH_OPENCLAMDFFT=ON -DWITH_OPENCLAMDBLAS=ON -DBUILD_PERF_TESTS=OFF -DBUILD_TESTS=OFF -DWITH_DSHOW=ON -DBUILD_PROTOBUF=OFF -DOPENCV_ENABLE_ALLOCATOR_STATS=OFF -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=', path, ' -B', buildDir, ' -H', sourceDir))
+                system(paste0('cmake -G "Unix Makefiles" -DCMAKE_C_COMPILER=', gcc_path, ' -DCMAKE_CXX_COMPILER=', gpp_path, ' -DCMAKE_RC_COMPILER=', windres_path, ' -DCMAKE_MAKE_PROGRAM=', make_path, ' -DENABLE_PRECOMPILED_HEADERS=OFF -DOpenCV_ARCH=', openCVArch, ' -DOpenCV_RUNTIME=mingw -DBUILD_ZLIB=ON -DOPENCV_EXTRA_MODULES_PATH=', contribDir, ' -DBUILD_LIST=calib3d,core,dnn,features2d,flann,gapi,highgui,imgcodecs,imgproc,ml,objdetect,photo,stitching,video,videoio,ximgproc -DBUILD_opencv_world=OFF -DBUILD_opencv_contrib_world=OFF -DWITH_OPENMP=ON -DWITH_TBB=ON -DWITH_FFMPEG=ON -DWITH_OPENCL=ON -DWITH_EIGEN=ON -DWITH_OPENCLAMDFFT=ON -DWITH_OPENCLAMDBLAS=ON -DBUILD_PERF_TESTS=OFF -DBUILD_TESTS=OFF -DWITH_DSHOW=ON -DBUILD_PROTOBUF=OFF -DOPENCV_ENABLE_ALLOCATOR_STATS=OFF -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=', path, ' -B', buildDir, ' -H', sourceDir))
                 system(paste0(make_path, " -j", parallel::detectCores(), " -C ", buildDir))
                 system(paste0(make_path, " -C", buildDir, " install"))
               }
@@ -247,7 +247,7 @@ installOpenCV <- function(path = defaultOpenCVPath(), batch = FALSE) {
               gpp_path <- paste0(rtoolsPath, "/mingw_", arch[i], "/bin/g++.exe")
               windres_path <- paste0(rtoolsPath, "/mingw_", arch[i], "/bin/windres.exe")
               make_path <- paste0(rtoolsPath, "/mingw_", arch[i], "/bin/mingw32-make.exe")
-              system(paste0('cmake -G "Unix Makefiles" -DCMAKE_C_COMPILER=', gcc_path, ' -DCMAKE_CXX_COMPILER=', gpp_path, ' -DCMAKE_RC_COMPILER=', windres_path, ' -DCMAKE_MAKE_PROGRAM=', make_path, ' -DENABLE_PRECOMPILED_HEADERS=OFF  -DOpenCV_ARCH=', openCVArch, ' -DOpenCV_RUNTIME=mingw -DENABLE_CXX11=ON -DBUILD_ZLIB=ON -DOPENCV_EXTRA_MODULES_PATH=', contribDir, ' -DBUILD_LIST=calib3d,core,dnn,features2d,flann,highgui,imgcodecs,imgproc,ml,objdetect,photo,stitching,video,videoio,ximgproc -DBUILD_opencv_world=OFF -DBUILD_opencv_contrib_world=OFF -DWITH_OPENMP=ON -DWITH_TBB=ON -DWITH_FFMPEG=ON -DWITH_OPENCL=ON -DWITH_EIGEN=ON -DWITH_OPENCLAMDFFT=ON -DWITH_OPENCLAMDBLAS=ON -DBUILD_PERF_TESTS=OFF -DBUILD_TESTS=OFF -DWITH_DSHOW=ON -DBUILD_PROTOBUF=OFF -DOPENCV_ENABLE_ALLOCATOR_STATS=OFF -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=', path, ' -B', buildDir, ' -H', sourceDir))
+              system(paste0('cmake -G "Unix Makefiles" -DCMAKE_C_COMPILER=', gcc_path, ' -DCMAKE_CXX_COMPILER=', gpp_path, ' -DCMAKE_RC_COMPILER=', windres_path, ' -DCMAKE_MAKE_PROGRAM=', make_path, ' -DENABLE_PRECOMPILED_HEADERS=OFF  -DOpenCV_ARCH=', openCVArch, ' -DOpenCV_RUNTIME=mingw -DBUILD_ZLIB=ON -DOPENCV_EXTRA_MODULES_PATH=', contribDir, ' -DBUILD_LIST=calib3d,core,dnn,features2d,flann,highgui,imgcodecs,imgproc,ml,objdetect,photo,stitching,video,videoio,ximgproc -DBUILD_opencv_world=OFF -DBUILD_opencv_contrib_world=OFF -DWITH_OPENMP=ON -DWITH_TBB=ON -DWITH_FFMPEG=ON -DWITH_OPENCL=ON -DWITH_EIGEN=ON -DWITH_OPENCLAMDFFT=ON -DWITH_OPENCLAMDBLAS=ON -DBUILD_PERF_TESTS=OFF -DBUILD_TESTS=OFF -DWITH_DSHOW=ON -DBUILD_PROTOBUF=OFF -DOPENCV_ENABLE_ALLOCATOR_STATS=OFF -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=', path, ' -B', buildDir, ' -H', sourceDir))
               system(paste0(make_path, " -j", parallel::detectCores(), " -C ", buildDir))
               system(paste0(make_path, " -C", buildDir, " install"))
             }
@@ -259,22 +259,22 @@ installOpenCV <- function(path = defaultOpenCVPath(), batch = FALSE) {
       tmpDir <- base::tempdir()
       dir.create(tmpDir, showWarnings = FALSE)
 
-      utils::download.file("https://github.com/opencv/opencv/archive/4.7.0.zip",
-                           paste0(tmpDir, "/opencv-4.7.0.zip"))
-      utils::unzip(paste0(tmpDir, "/opencv-4.7.0.zip"),
+      utils::download.file("https://github.com/opencv/opencv/archive/4.8.0.zip",
+                           paste0(tmpDir, "/opencv-4.8.0.zip"))
+      utils::unzip(paste0(tmpDir, "/opencv-4.8.0.zip"),
                    exdir = tmpDir)
 
-      utils::download.file("https://github.com/opencv/opencv_contrib/archive/4.7.0.zip",
-                           paste0(tmpDir, "/opencv_contrib-4.7.0.zip"))
-      utils::unzip(paste0(tmpDir, "/opencv_contrib-4.7.0.zip"),
+      utils::download.file("https://github.com/opencv/opencv_contrib/archive/4.8.0.zip",
+                           paste0(tmpDir, "/opencv_contrib-4.8.0.zip"))
+      utils::unzip(paste0(tmpDir, "/opencv_contrib-4.8.0.zip"),
                    exdir = tmpDir)
 
-      file.copy(paste0(pkgPath, "/OpenCVModule.4.7.0.cmake"),
-                paste0(tmpDir, "/opencv-4.7.0/cmake/OpenCVModule.cmake"),
+      file.copy(paste0(pkgPath, "/OpenCVModule.4.8.0.cmake"),
+                paste0(tmpDir, "/opencv-4.8.0/cmake/OpenCVModule.cmake"),
                 overwrite = TRUE)
 
-      sourceDir <- paste0(tmpDir, "/opencv-4.7.0/")
-      contribDir <- paste0(tmpDir, "/opencv_contrib-4.7.0/modules")
+      sourceDir <- paste0(tmpDir, "/opencv-4.8.0/")
+      contribDir <- paste0(tmpDir, "/opencv_contrib-4.8.0/modules")
       buildDir <- paste0(sourceDir, "build")
       dir.create(buildDir, showWarnings = FALSE)
 
diff --git a/cran-comments.md b/cran-comments.md
index 7408c68..7837aa2 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,6 +1,6 @@
 ## Test environments
 
-* local M1 OS X 13.1, R 4.2.2
+* local M1 OS X 13.4.1, R 4.3.1
 * local Windows 10, R 4.2.2
 * local Ubuntu 22.04, R 4.2.2
 * Github Actions "windows-latest (release)"
diff --git a/docs/404.html b/docs/404.html
index d95841a..93b79ed 100644
--- a/docs/404.html
+++ b/docs/404.html
@@ -31,7 +31,7 @@
     
     <a class="navbar-brand me-2" href="https://swarm-lab.github.io/ROpenCVLite/index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/LICENSE-text.html b/docs/LICENSE-text.html
index e5b02dc..3806cce 100644
--- a/docs/LICENSE-text.html
+++ b/docs/LICENSE-text.html
@@ -10,7 +10,7 @@
     
     <a class="navbar-brand me-2" href="index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/articles/index.html b/docs/articles/index.html
index babaca8..8fe8b7f 100644
--- a/docs/articles/index.html
+++ b/docs/articles/index.html
@@ -10,7 +10,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/articles/install.html b/docs/articles/install.html
index 25ff282..1ff82b3 100644
--- a/docs/articles/install.html
+++ b/docs/articles/install.html
@@ -33,7 +33,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/articles/usage.html b/docs/articles/usage.html
index 5de4876..5766f4e 100644
--- a/docs/articles/usage.html
+++ b/docs/articles/usage.html
@@ -33,7 +33,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/authors.html b/docs/authors.html
index 28ca122..55f067a 100644
--- a/docs/authors.html
+++ b/docs/authors.html
@@ -10,7 +10,7 @@
     
     <a class="navbar-brand me-2" href="index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
@@ -67,12 +67,12 @@ <h2>Authors</h2>
       <h2 id="citation">Citation</h2>
       <p><small class="dont-index">Source: <a href="https://github.com/swarm-lab/ROpenCVLite/blob/HEAD/inst/CITATION" class="external-link"><code>inst/CITATION</code></a></small></p>
 
-      <p>Simon Garnier and John Muschelli (2022). ROpenCVLite - Helper package for installing OpenCV with R. R package version 4.70.0.</p>
+      <p>Simon Garnier and John Muschelli (2023). ROpenCVLite - Helper package for installing OpenCV with R. R package version 4.80.0.</p>
       <pre>@Manual{,
   title = {{ROpenCVLite} - Helper package for installing OpenCV with R},
   author = {Simon Garnier and John Muschelli},
-  year = {2022},
-  note = {R package version 4.70.0},
+  year = {2023},
+  note = {R package version 4.80.0},
   url = {https://swarm-lab.github.io/ROpenCVLite/},
 }</pre>
     </div>
diff --git a/docs/index.html b/docs/index.html
index 222130b..3792f00 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -41,7 +41,7 @@
     
     <a class="navbar-brand me-2" href="index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/news/index.html b/docs/news/index.html
index 579dc14..823adf0 100644
--- a/docs/news/index.html
+++ b/docs/news/index.html
@@ -10,7 +10,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
@@ -51,6 +51,17 @@
       <small>Source: <a href="https://github.com/swarm-lab/ROpenCVLite/blob/HEAD/NEWS.md" class="external-link"><code>NEWS.md</code></a></small>
     </div>
 
+    <div class="section level2">
+<h2 class="pkg-version" data-toc-text="4.80.0" id="ropencvlite-4800">ROpenCVLite 4.80.0<a class="anchor" aria-label="anchor" href="#ropencvlite-4800"></a></h2>
+<div class="section level3">
+<h3 id="new-features-4-80-0">New features<a class="anchor" aria-label="anchor" href="#new-features-4-80-0"></a></h3>
+<ul><li>Upgrade package to OpenCV 4.8.0.</li>
+</ul></div>
+<div class="section level3">
+<h3 id="minor-improvements-and-fixes-4-80-0">Minor improvements and fixes<a class="anchor" aria-label="anchor" href="#minor-improvements-and-fixes-4-80-0"></a></h3>
+<ul><li>N/A.</li>
+</ul><hr></div>
+</div>
     <div class="section level2">
 <h2 class="pkg-version" data-toc-text="4.70.0" id="ropencvlite-4700">ROpenCVLite 4.70.0<a class="anchor" aria-label="anchor" href="#ropencvlite-4700"></a></h2><p class="text-muted">CRAN release: 2023-01-06</p>
 <div class="section level3">
diff --git a/docs/pkgdown.yml b/docs/pkgdown.yml
index 3c71801..f176e4e 100644
--- a/docs/pkgdown.yml
+++ b/docs/pkgdown.yml
@@ -1,10 +1,10 @@
-pandoc: 3.0.1
+pandoc: 3.1.5
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles:
   install: install.html
   usage: usage.html
-last_built: 2023-01-28T14:28Z
+last_built: 2023-07-20T07:15Z
 urls:
   reference: https://swarm-lab.github.io/ROpenCVLite/reference
   article: https://swarm-lab.github.io/ROpenCVLite/articles
diff --git a/docs/reference/OpenCVPath.html b/docs/reference/OpenCVPath.html
index 73dba9f..ee2a5a1 100644
--- a/docs/reference/OpenCVPath.html
+++ b/docs/reference/OpenCVPath.html
@@ -10,7 +10,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/reference/ROpenCVLite-package.html b/docs/reference/ROpenCVLite-package.html
index bbef305..099fcae 100644
--- a/docs/reference/ROpenCVLite-package.html
+++ b/docs/reference/ROpenCVLite-package.html
@@ -14,7 +14,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/reference/defaultOpenCVPath.html b/docs/reference/defaultOpenCVPath.html
index 240a75c..01f1d27 100644
--- a/docs/reference/defaultOpenCVPath.html
+++ b/docs/reference/defaultOpenCVPath.html
@@ -12,7 +12,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
@@ -78,7 +78,7 @@ <h2 id="author">Author<a class="anchor" aria-label="anchor" href="#author"></a><
     <div class="section level2">
     <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
     <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="fu">defaultOpenCVPath</span><span class="op">(</span><span class="op">)</span></span></span>
-<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "/Users/simon/Library/R/arm64/4.2/library/ROpenCV"</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "/Users/simon/Library/R/arm64/4.3/library/ROpenCV"</span>
 <span class="r-in"><span></span></span>
 </code></pre></div>
     </div>
diff --git a/docs/reference/index.html b/docs/reference/index.html
index 60fcc86..4e0d728 100644
--- a/docs/reference/index.html
+++ b/docs/reference/index.html
@@ -10,7 +10,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/reference/installOpenCV.html b/docs/reference/installOpenCV.html
index 2a48575..52e0efc 100644
--- a/docs/reference/installOpenCV.html
+++ b/docs/reference/installOpenCV.html
@@ -12,7 +12,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/reference/isCmakeInstalled.html b/docs/reference/isCmakeInstalled.html
index cc300d0..9bb9e4b 100644
--- a/docs/reference/isCmakeInstalled.html
+++ b/docs/reference/isCmakeInstalled.html
@@ -10,7 +10,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/reference/isOpenCVInstalled.html b/docs/reference/isOpenCVInstalled.html
index 3ef4f79..1c25184 100644
--- a/docs/reference/isOpenCVInstalled.html
+++ b/docs/reference/isOpenCVInstalled.html
@@ -10,7 +10,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/docs/reference/opencvConfig.html b/docs/reference/opencvConfig.html
index 5e361a8..b40bd3e 100644
--- a/docs/reference/opencvConfig.html
+++ b/docs/reference/opencvConfig.html
@@ -12,7 +12,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
@@ -95,7 +95,7 @@ <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-e
 <span class="r-in"><span>  <span class="fu">opencvConfig</span><span class="op">(</span>output <span class="op">=</span> <span class="st">"cflags"</span><span class="op">)</span></span></span>
 <span class="r-in"><span>  <span class="fu">opencvConfig</span><span class="op">(</span>arch <span class="op">=</span> <span class="va">R.version</span><span class="op">$</span><span class="va">arch</span><span class="op">)</span></span></span>
 <span class="r-in"><span><span class="op">}</span></span></span>
-<span class="r-out co"><span class="r-pr">#&gt;</span> -L/Users/simon/Library/R/arm64/4.2/library/ROpenCV/lib -lopencv_calib3d -lopencv_core -lopencv_dnn -lopencv_features2d -lopencv_flann -lopencv_gapi -lopencv_highgui -lopencv_imgcodecs -lopencv_imgproc -lopencv_ml -lopencv_objdetect -lopencv_photo -lopencv_stitching -lopencv_video -lopencv_videoio -lopencv_ximgproc-I/Users/simon/Library/R/arm64/4.2/library/ROpenCV/include/opencv4 -I/Users/simon/Library/R/arm64/4.2/library/ROpenCV/include-L/Users/simon/Library/R/arm64/4.2/library/ROpenCV/lib -lopencv_calib3d -lopencv_core -lopencv_dnn -lopencv_features2d -lopencv_flann -lopencv_gapi -lopencv_highgui -lopencv_imgcodecs -lopencv_imgproc -lopencv_ml -lopencv_objdetect -lopencv_photo -lopencv_stitching -lopencv_video -lopencv_videoio -lopencv_ximgproc</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> -L/Users/simon/Library/R/arm64/4.3/library/ROpenCV/lib -lopencv_calib3d -lopencv_core -lopencv_dnn -lopencv_features2d -lopencv_flann -lopencv_gapi -lopencv_highgui -lopencv_imgcodecs -lopencv_imgproc -lopencv_ml -lopencv_objdetect -lopencv_photo -lopencv_stitching -lopencv_video -lopencv_videoio -lopencv_ximgproc-I/Users/simon/Library/R/arm64/4.3/library/ROpenCV/include/opencv4 -I/Users/simon/Library/R/arm64/4.3/library/ROpenCV/include-L/Users/simon/Library/R/arm64/4.3/library/ROpenCV/lib -lopencv_calib3d -lopencv_core -lopencv_dnn -lopencv_features2d -lopencv_flann -lopencv_gapi -lopencv_highgui -lopencv_imgcodecs -lopencv_imgproc -lopencv_ml -lopencv_objdetect -lopencv_photo -lopencv_stitching -lopencv_video -lopencv_videoio -lopencv_ximgproc</span>
 <span class="r-in"><span></span></span>
 </code></pre></div>
     </div>
diff --git a/docs/reference/opencvVersion.html b/docs/reference/opencvVersion.html
index 59b255c..af7f00c 100644
--- a/docs/reference/opencvVersion.html
+++ b/docs/reference/opencvVersion.html
@@ -12,7 +12,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
@@ -80,7 +80,7 @@ <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-e
     <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="kw">if</span> <span class="op">(</span><span class="fu"><a href="isOpenCVInstalled.html">isOpenCVInstalled</a></span><span class="op">(</span><span class="op">)</span><span class="op">)</span> <span class="op">{</span></span></span>
 <span class="r-in"><span>  <span class="fu">opencvVersion</span><span class="op">(</span><span class="op">)</span></span></span>
 <span class="r-in"><span><span class="op">}</span></span></span>
-<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "Version 4.7.0"</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "Version 4.8.0"</span>
 <span class="r-in"><span></span></span>
 </code></pre></div>
     </div>
diff --git a/docs/reference/removeOpenCV.html b/docs/reference/removeOpenCV.html
index e1fae05..0588714 100644
--- a/docs/reference/removeOpenCV.html
+++ b/docs/reference/removeOpenCV.html
@@ -10,7 +10,7 @@
     
     <a class="navbar-brand me-2" href="../index.html">ROpenCVLite</a>
 
-    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.70.0</small>
+    <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">4.80.0</small>
 
     
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
diff --git a/inst/OpenCVModule.4.8.0.cmake b/inst/OpenCVModule.4.8.0.cmake
new file mode 100644
index 0000000..fd66ccb
--- /dev/null
+++ b/inst/OpenCVModule.4.8.0.cmake
@@ -0,0 +1,1464 @@
+# Local variables (set for each module):
+#
+# name       - short name in lower case i.e. core
+# the_module - full name in lower case i.e. opencv_core
+
+# Global variables:
+#
+# OPENCV_MODULE_${the_module}_LOCATION
+# OPENCV_MODULE_${the_module}_BINARY_DIR
+# OPENCV_MODULE_${the_module}_DESCRIPTION
+# OPENCV_MODULE_${the_module}_CLASS - PUBLIC|INTERNAL|BINDINGS
+# OPENCV_MODULE_${the_module}_HEADERS
+# OPENCV_MODULE_${the_module}_SOURCES
+# OPENCV_MODULE_${the_module}_DEPS - final flattened set of module dependencies
+# OPENCV_MODULE_${the_module}_DEPS_TO_LINK - differs from above for world build only
+# OPENCV_MODULE_${the_module}_DEPS_EXT - non-module dependencies
+# OPENCV_MODULE_${the_module}_REQ_DEPS
+# OPENCV_MODULE_${the_module}_OPT_DEPS
+# OPENCV_MODULE_${the_module}_PRIVATE_REQ_DEPS
+# OPENCV_MODULE_${the_module}_PRIVATE_OPT_DEPS
+# OPENCV_MODULE_${the_module}_IS_PART_OF_WORLD
+# OPENCV_MODULE_${the_module}_CUDA_OBJECTS - compiled CUDA objects list
+# OPENCV_MODULE_${the_module}_WRAPPERS - list of wrappers supporting this module
+# HAVE_${the_module} - for fast check of module availability
+
+# To control the setup of the module you could also set:
+# the_description - text to be used as current module description
+# the_label - label for current module
+# OPENCV_MODULE_TYPE - STATIC|SHARED - set to force override global settings for current module
+# OPENCV_MODULE_IS_PART_OF_WORLD - ON|OFF (default ON) - should the module be added to the opencv_world?
+# BUILD_${the_module}_INIT - ON|OFF (default ON) - initial value for BUILD_${the_module}
+
+# The verbose template for OpenCV module:
+#
+#   ocv_add_module(modname <dependencies>)
+#   ocv_glob_module_sources(([EXCLUDE_OPENCL] [EXCLUDE_CUDA] <extra sources&headers>)
+#                          or glob them manually and ocv_set_module_sources(...)
+#   ocv_module_include_directories(<extra include directories>)
+#   ocv_create_module()
+#   <add extra link dependencies, compiler options, etc>
+#   ocv_add_precompiled_headers(${the_module})
+#   <add extra installation rules>
+#   ocv_add_accuracy_tests(<extra dependencies>)
+#   ocv_add_perf_tests(<extra dependencies>)
+#   ocv_add_samples(<extra dependencies>)
+#
+#
+# If module have no "extra" then you can define it in one line:
+#
+#   ocv_define_module(modname <dependencies>)
+
+# clean flags for modules enabled on previous cmake run
+# this is necessary to correctly handle modules removal
+foreach(mod ${OPENCV_MODULES_BUILD} ${OPENCV_MODULES_DISABLED_USER} ${OPENCV_MODULES_DISABLED_AUTO} ${OPENCV_MODULES_DISABLED_FORCE})
+  if(HAVE_${mod})
+    unset(HAVE_${mod} CACHE)
+  endif()
+  unset(OPENCV_MODULE_${mod}_DEPS CACHE)
+  unset(OPENCV_MODULE_${mod}_DEPS_EXT CACHE)
+  unset(OPENCV_MODULE_${mod}_REQ_DEPS CACHE)
+  unset(OPENCV_MODULE_${mod}_OPT_DEPS CACHE)
+  unset(OPENCV_MODULE_${mod}_PRIVATE_REQ_DEPS CACHE)
+  unset(OPENCV_MODULE_${mod}_PRIVATE_OPT_DEPS CACHE)
+  unset(OPENCV_MODULE_${mod}_LINK_DEPS CACHE)
+  unset(OPENCV_MODULE_${mod}_WRAPPERS CACHE)
+endforeach()
+
+# clean modules info which needs to be recalculated
+set(OPENCV_MODULES_PUBLIC         "" CACHE INTERNAL "List of OpenCV modules marked for export")
+set(OPENCV_MODULES_BUILD          "" CACHE INTERNAL "List of OpenCV modules included into the build")
+set(OPENCV_MODULES_DISABLED_USER  "" CACHE INTERNAL "List of OpenCV modules explicitly disabled by user")
+set(OPENCV_MODULES_DISABLED_AUTO  "" CACHE INTERNAL "List of OpenCV modules implicitly disabled due to dependencies")
+set(OPENCV_MODULES_DISABLED_FORCE "" CACHE INTERNAL "List of OpenCV modules which can not be build in current configuration")
+unset(OPENCV_WORLD_MODULES CACHE)
+
+# set CMAKE_INSTALL_NAME_DIR if CMAKE_INSTALL_PREFIX isn't default value of "/usr/local"
+ if(UNIX AND NOT ${CMAKE_INSTALL_PREFIX} STREQUAL "/usr/local")
+   set(CMAKE_INSTALL_NAME_DIR ${CMAKE_INSTALL_PREFIX}/lib)
+ #  message ("setting CMAKE_INSTALL_NAME_DIR: ${CMAKE_INSTALL_NAME_DIR}")
+ endif()
+
+# adds dependencies to OpenCV module
+# Usage:
+#   add_dependencies(opencv_<name> [REQUIRED] [<list of dependencies>] [OPTIONAL <list of modules>] [WRAP <list of wrappers>])
+# Notes:
+# * <list of dependencies> - can include full names of modules or full paths to shared/static libraries or cmake targets
+macro(ocv_add_dependencies full_modname)
+  ocv_debug_message("ocv_add_dependencies(" ${full_modname} ${ARGN} ")")
+  #we don't clean the dependencies here to allow this macro several times for every module
+  foreach(d "REQUIRED" ${ARGN})
+    if(d STREQUAL "REQUIRED")
+      set(__depsvar OPENCV_MODULE_${full_modname}_REQ_DEPS)
+    elseif(d STREQUAL "OPTIONAL")
+      set(__depsvar OPENCV_MODULE_${full_modname}_OPT_DEPS)
+    elseif(d STREQUAL "PRIVATE_REQUIRED")
+      set(__depsvar OPENCV_MODULE_${full_modname}_PRIVATE_REQ_DEPS)
+    elseif(d STREQUAL "PRIVATE_OPTIONAL")
+      set(__depsvar OPENCV_MODULE_${full_modname}_PRIVATE_OPT_DEPS)
+    elseif(d STREQUAL "WRAP")
+      set(__depsvar OPENCV_MODULE_${full_modname}_WRAPPERS)
+    else()
+      list(APPEND ${__depsvar} "${d}")
+    endif()
+  endforeach()
+  unset(__depsvar)
+
+  ocv_list_unique(OPENCV_MODULE_${full_modname}_REQ_DEPS)
+  ocv_list_unique(OPENCV_MODULE_${full_modname}_OPT_DEPS)
+  ocv_list_unique(OPENCV_MODULE_${full_modname}_PRIVATE_REQ_DEPS)
+  ocv_list_unique(OPENCV_MODULE_${full_modname}_PRIVATE_OPT_DEPS)
+  ocv_list_unique(OPENCV_MODULE_${full_modname}_WRAPPERS)
+
+  set(OPENCV_MODULE_${full_modname}_REQ_DEPS ${OPENCV_MODULE_${full_modname}_REQ_DEPS}
+    CACHE INTERNAL "Required dependencies of ${full_modname} module")
+  set(OPENCV_MODULE_${full_modname}_OPT_DEPS ${OPENCV_MODULE_${full_modname}_OPT_DEPS}
+    CACHE INTERNAL "Optional dependencies of ${full_modname} module")
+  set(OPENCV_MODULE_${full_modname}_PRIVATE_REQ_DEPS ${OPENCV_MODULE_${full_modname}_PRIVATE_REQ_DEPS}
+    CACHE INTERNAL "Required private dependencies of ${full_modname} module")
+  set(OPENCV_MODULE_${full_modname}_PRIVATE_OPT_DEPS ${OPENCV_MODULE_${full_modname}_PRIVATE_OPT_DEPS}
+    CACHE INTERNAL "Optional private dependencies of ${full_modname} module")
+  set(OPENCV_MODULE_${full_modname}_WRAPPERS ${OPENCV_MODULE_${full_modname}_WRAPPERS}
+    CACHE INTERNAL "List of wrappers supporting module ${full_modname}")
+endmacro()
+
+# declare new OpenCV module in current folder
+# Usage:
+#   ocv_add_module(<name> [INTERNAL|BINDINGS] [REQUIRED] [<list of dependencies>] [OPTIONAL <list of optional dependencies>] [WRAP <list of wrappers>])
+# Example:
+#   ocv_add_module(yaom INTERNAL opencv_core opencv_highgui opencv_flann OPTIONAL opencv_cudev)
+macro(ocv_add_module _name)
+  ocv_debug_message("ocv_add_module(" ${_name} ${ARGN} ")")
+  string(TOLOWER "${_name}" name)
+  set(the_module opencv_${name})
+
+  # the first pass - collect modules info, the second pass - create targets
+  if(OPENCV_INITIAL_PASS)
+    #guard against redefinition
+    if(";${OPENCV_MODULES_BUILD};${OPENCV_MODULES_DISABLED_USER};" MATCHES ";${the_module};")
+      message(FATAL_ERROR "Redefinition of the ${the_module} module.
+  at:                    ${CMAKE_CURRENT_SOURCE_DIR}
+  previously defined at: ${OPENCV_MODULE_${the_module}_LOCATION}
+")
+    endif()
+
+    if(NOT DEFINED the_description)
+      set(the_description "The ${name} OpenCV module")
+    endif()
+
+    if(NOT DEFINED BUILD_${the_module}_INIT)
+      set(BUILD_${the_module}_INIT ON)
+    endif()
+
+    # create option to enable/disable this module
+    option(BUILD_${the_module} "Include ${the_module} module into the OpenCV build" ${BUILD_${the_module}_INIT})
+
+    # remember the module details
+    set(OPENCV_MODULE_${the_module}_DESCRIPTION "${the_description}" CACHE INTERNAL "Brief description of ${the_module} module")
+    set(OPENCV_MODULE_${the_module}_LOCATION    "${CMAKE_CURRENT_SOURCE_DIR}" CACHE INTERNAL "Location of ${the_module} module sources")
+
+    set(OPENCV_MODULE_${the_module}_LINK_DEPS "" CACHE INTERNAL "")
+
+    set(ADD_MODULE_ARGN ${ARGN})
+    ocv_cmake_hook(PRE_ADD_MODULE)
+    ocv_cmake_hook(PRE_ADD_MODULE_${the_module})
+
+    # parse list of dependencies
+    if(" ${ARGV1}" STREQUAL " INTERNAL" OR " ${ARGV1}" STREQUAL " BINDINGS")
+      set(OPENCV_MODULE_${the_module}_CLASS "${ARGV1}" CACHE INTERNAL "The category of the module")
+      set(__ocv_argn__ ${ADD_MODULE_ARGN})
+      list(REMOVE_AT __ocv_argn__ 0)
+      ocv_add_dependencies(${the_module} ${__ocv_argn__})
+      unset(__ocv_argn__)
+    else()
+      set(OPENCV_MODULE_${the_module}_CLASS "PUBLIC" CACHE INTERNAL "The category of the module")
+      ocv_add_dependencies(${the_module} ${ADD_MODULE_ARGN})
+      if(BUILD_${the_module})
+        set(OPENCV_MODULES_PUBLIC ${OPENCV_MODULES_PUBLIC} "${the_module}" CACHE INTERNAL "List of OpenCV modules marked for export")
+      endif()
+    endif()
+
+    # add self to the world dependencies
+    if((NOT DEFINED OPENCV_MODULE_IS_PART_OF_WORLD
+        AND NOT OPENCV_MODULE_${the_module}_CLASS STREQUAL "BINDINGS"
+        AND (NOT DEFINED OPENCV_MODULE_${the_module}_IS_PART_OF_WORLD OR OPENCV_MODULE_${the_module}_IS_PART_OF_WORLD)
+        AND (NOT OPENCV_PROCESSING_EXTRA_MODULES OR NOT OPENCV_WORLD_EXCLUDE_EXTRA_MODULES)
+        AND (NOT BUILD_SHARED_LIBS OR NOT "x${OPENCV_MODULE_TYPE}" STREQUAL "xSTATIC"))
+        OR OPENCV_MODULE_IS_PART_OF_WORLD
+        )
+      set(OPENCV_MODULE_${the_module}_IS_PART_OF_WORLD ON CACHE INTERNAL "")
+      ocv_add_dependencies(opencv_world OPTIONAL ${the_module})
+    else()
+      set(OPENCV_MODULE_${the_module}_IS_PART_OF_WORLD OFF CACHE INTERNAL "")
+    endif()
+
+    if(NOT DEFINED the_label)
+      if(OPENCV_PROCESSING_EXTRA_MODULES)
+        set(the_label "Extra")
+      else()
+        set(the_label "Main")
+      endif()
+    endif()
+    set(OPENCV_MODULE_${the_module}_LABEL "${the_label};${the_module}" CACHE INTERNAL "")
+
+    if(BUILD_${the_module})
+      set(OPENCV_MODULES_BUILD ${OPENCV_MODULES_BUILD} "${the_module}" CACHE INTERNAL "List of OpenCV modules included into the build")
+    else()
+      set(OPENCV_MODULES_DISABLED_USER ${OPENCV_MODULES_DISABLED_USER} "${the_module}" CACHE INTERNAL "List of OpenCV modules explicitly disabled by user")
+    endif()
+
+    # stop processing of current file
+    ocv_cmake_hook(POST_ADD_MODULE)
+    ocv_cmake_hook(POST_ADD_MODULE_${the_module})
+    return()
+  else()
+    set(OPENCV_MODULE_${the_module}_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}" CACHE INTERNAL "")
+    if(NOT BUILD_${the_module})
+      return() # extra protection from redefinition
+    endif()
+    if(NOT OPENCV_MODULE_${the_module}_IS_PART_OF_WORLD OR NOT ${BUILD_opencv_world})
+      if (NOT ${the_module} STREQUAL opencv_world)
+        project(${the_module})
+      endif()
+      add_definitions(
+        -D_USE_MATH_DEFINES  # M_PI constant in MSVS
+        -D__STDC_CONSTANT_MACROS -D__STDC_LIMIT_MACROS -D__STDC_FORMAT_MACROS  # to use C libraries from C++ code (ffmpeg)
+      )
+    endif()
+  endif()
+endmacro()
+
+# excludes module from current configuration
+macro(ocv_module_disable_ module)
+  set(__modname ${module})
+  if(NOT __modname MATCHES "^opencv_")
+    set(__modname opencv_${module})
+  endif()
+  list(APPEND OPENCV_MODULES_DISABLED_FORCE "${__modname}")
+  set(HAVE_${__modname} OFF CACHE INTERNAL "Module ${__modname} can not be built in current configuration")
+  set(OPENCV_MODULE_${__modname}_LOCATION "${CMAKE_CURRENT_SOURCE_DIR}" CACHE INTERNAL "Location of ${__modname} module sources")
+  set(OPENCV_MODULES_DISABLED_FORCE "${OPENCV_MODULES_DISABLED_FORCE}" CACHE INTERNAL "List of OpenCV modules which can not be build in current configuration")
+  if(BUILD_${__modname})
+    # touch variable controlling build of the module to suppress "unused variable" CMake warning
+  endif()
+  unset(__modname)
+endmacro()
+
+macro(ocv_module_disable module)
+  ocv_module_disable_(${module})
+  return() # leave the current folder
+endmacro()
+
+# gather acceptable locations and generate names for them
+# if folder contains CMakeLists.txt - it is accepted,
+# otherwise all first-level subfolders containing CMakeLists.txt are accepted.
+# Usage: _glob_locations(<output paths list> <output names list> <folder> [<folder> ...])
+function(_glob_locations out_paths out_names)
+  set(PATHS ${ARGN})
+  foreach(path ${PATHS})
+    #message(STATUS "Inspect: ${path}")
+    list(LENGTH paths before)
+    get_filename_component(path "${path}" ABSOLUTE)
+    # Either module itself
+    if(NOT path STREQUAL "${OpenCV_SOURCE_DIR}/modules" AND EXISTS "${path}/CMakeLists.txt")
+      get_filename_component(name "${path}" NAME)
+      list(APPEND paths "${path}")
+      list(APPEND names "${name}")
+    else()
+      # Either flat collection of modules
+      file(GLOB subdirs RELATIVE "${path}" "${path}/*")
+      foreach(subdir ${subdirs})
+        #message(STATUS "Inspect: ${path}/${subdir}")
+        if(EXISTS "${path}/${subdir}/CMakeLists.txt")
+          list(APPEND paths "${path}/${subdir}")
+          list(APPEND names "${subdir}")
+        endif()
+      endforeach()
+    endif()
+    list(LENGTH paths after)
+    if(before EQUAL after)
+      message(SEND_ERROR "No modules has been found: ${path}")
+    endif()
+  endforeach()
+  # Return
+  set(${out_paths} ${paths} PARENT_SCOPE)
+  set(${out_names} ${names} PARENT_SCOPE)
+endfunction()
+
+# Calls 'add_subdirectory' for each location.
+# Note: both input lists should have same length.
+# Usage: _add_modules_1(<list with paths> <list with names>)
+macro(_add_modules_1 paths names)
+  ocv_debug_message("_add_modules_1(paths=${paths}, names=${names}, ... " ${ARGN} ")")
+  list(LENGTH ${paths} __len)
+  if(NOT __len EQUAL 0)
+    list(LENGTH ${names} __len_verify)
+    if(NOT __len EQUAL __len_verify)
+      message(FATAL_ERROR "Bad configuration! ${__len} != ${__len_verify}")
+    endif()
+    math(EXPR __len "${__len} - 1")
+    foreach(i RANGE ${__len})
+      list(GET ${paths} ${i} __path)
+      list(GET ${names} ${i} __name)
+      #message(STATUS "First pass: ${__name} => ${__path}")
+      include("${__path}/cmake/init.cmake" OPTIONAL)
+      add_subdirectory("${__path}" "${OpenCV_BINARY_DIR}/modules/.firstpass/${__name}")
+    endforeach()
+  endif()
+endmacro()
+
+# Calls 'add_subdirectory' for each module name.
+# Usage: _add_modules_2([<module> ...])
+macro(_add_modules_2)
+  ocv_debug_message("_add_modules_2(" ${ARGN} ")")
+  foreach(m ${ARGN})
+    set(the_module "${m}")
+    ocv_cmake_hook(PRE_MODULES_CREATE_${the_module})
+    if(BUILD_opencv_world AND m STREQUAL "opencv_world"
+        OR NOT BUILD_opencv_world
+        OR NOT OPENCV_MODULE_${m}_IS_PART_OF_WORLD)
+      if(NOT m MATCHES "^opencv_")
+        message(WARNING "Incorrect module name: ${m}")
+      endif()
+      string(REGEX REPLACE "^opencv_" "" name "${m}")
+      #message(STATUS "Second pass: ${name} => ${OPENCV_MODULE_${m}_LOCATION}")
+      add_subdirectory("${OPENCV_MODULE_${m}_LOCATION}" "${OpenCV_BINARY_DIR}/modules/${name}")
+    endif()
+    ocv_cmake_hook(POST_MODULES_CREATE_${the_module})
+  endforeach()
+  unset(the_module)
+endmacro()
+
+# Check if list of input items is unique.
+# Usage: _assert_uniqueness(<failure message> <element> [<element> ...])
+function(_assert_uniqueness msg)
+  ocv_get_duplicates(dups ${ARGN})
+  if(dups)
+    foreach(e ${ARGN})
+      list(FIND dups "${e}" idx)
+      if(NOT idx EQUAL -1)
+        set(prefix " > ")
+      else()
+        set(prefix "   ")
+      endif()
+      message("${prefix}${e}")
+    endforeach()
+    message(FATAL_ERROR "${msg}")
+  endif()
+endfunction()
+
+# collect modules from specified directories
+# NB: must be called only once!
+# Usage: ocv_glob_modules(<main location> [<extra location> ...])
+macro(ocv_glob_modules main_root)
+  ocv_cmake_hook(INIT_MODULES_GLOB)
+  if(DEFINED OPENCV_INITIAL_PASS)
+    message(FATAL_ERROR "OpenCV has already loaded its modules. Calling ocv_glob_modules second time is not allowed.")
+  endif()
+
+  # collect modules
+  set(OPENCV_INITIAL_PASS ON)
+  _glob_locations(__main_paths __main_names ${main_root})
+  _glob_locations(__extra_paths __extra_names ${ARGN})
+  _assert_uniqueness("Duplicated modules LOCATIONS has been found" ${__main_paths} ${__extra_paths})
+  _assert_uniqueness("Duplicated modules NAMES has been found" ${__main_names} ${__extra_names})
+  set(OPENCV_PROCESSING_EXTRA_MODULES 0)
+  ocv_cmake_hook(PRE_MODULES_SCAN)
+  _add_modules_1(__main_paths __main_names)
+  set(OPENCV_PROCESSING_EXTRA_MODULES 1)
+  ocv_cmake_hook(PRE_MODULES_SCAN_EXTRA)
+  _add_modules_1(__extra_paths __extra_names)
+  ocv_clear_vars(__main_names __extra_names __main_paths __extra_paths)
+  ocv_cmake_hook(POST_MODULES_SCAN)
+
+  # resolve dependencies
+  __ocv_resolve_dependencies()
+
+  # optionally configure delay load
+  if(MSVC AND BUILD_SHARED_LIBS AND ENABLE_DELAYLOAD AND NOT BUILD_opencv_world)
+    if(${CMAKE_SHARED_LINKER_FLAGS} MATCHES "delayimp.lib")
+      set(DELAYFLAGS "")
+    else()
+      set(DELAYFLAGS "delayimp.lib")
+    endif()
+
+    foreach(mod ${OPENCV_MODULES_BUILD})
+      if(NOT ${mod} STREQUAL "opencv_core" AND NOT ${mod} MATCHES "bindings_generator|python")
+        set(DELAYFLAGS "${DELAYFLAGS} /DELAYLOAD:${mod}${OPENCV_VERSION_MAJOR}${OPENCV_VERSION_MINOR}${OPENCV_VERSION_PATCH}.dll")
+      endif()
+    endforeach()
+
+    if(NOT ${CMAKE_SHARED_LINKER_FLAGS} MATCHES "/IGNORE:4199")
+      set(DELAYFLAGS "${DELAYFLAGS} /IGNORE:4199")
+    endif()
+
+    set(CMAKE_EXE_LINKER_FLAGS       "${CMAKE_EXE_LINKER_FLAGS} ${DELAYFLAGS}")
+    set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${DELAYFLAGS}")
+    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${DELAYFLAGS}")
+  endif()
+
+  # create modules
+  set(OPENCV_INITIAL_PASS OFF)
+  ocv_cmake_hook(PRE_MODULES_CREATE)
+  _add_modules_2(${OPENCV_MODULES_BUILD})
+  ocv_cmake_hook(POST_MODULES_CREATE)
+endmacro()
+
+
+# called by root CMakeLists.txt
+macro(ocv_register_modules)
+  if(NOT OPENCV_MODULES_PATH)
+    set(OPENCV_MODULES_PATH "${OpenCV_SOURCE_DIR}/modules")
+  endif()
+
+  ocv_glob_modules(${OPENCV_MODULES_PATH} ${OPENCV_EXTRA_MODULES_PATH})
+
+  # build lists of modules to be documented
+  set(OPENCV_MODULES_MAIN "")
+  set(OPENCV_MODULES_EXTRA "")
+
+  foreach(mod ${OPENCV_MODULES_BUILD} ${OPENCV_MODULES_DISABLED_USER} ${OPENCV_MODULES_DISABLED_AUTO} ${OPENCV_MODULES_DISABLED_FORCE})
+    string(REGEX REPLACE "^opencv_" "" mod "${mod}")
+    if("${OPENCV_MODULE_opencv_${mod}_LOCATION}" STREQUAL "${OpenCV_SOURCE_DIR}/modules/${mod}")
+      list(APPEND OPENCV_MODULES_MAIN ${mod})
+    else()
+      list(APPEND OPENCV_MODULES_EXTRA ${mod})
+    endif()
+  endforeach()
+  ocv_list_sort(OPENCV_MODULES_MAIN)
+  ocv_list_sort(OPENCV_MODULES_EXTRA)
+  set(FIXED_ORDER_MODULES core imgproc imgcodecs videoio highgui video calib3d features2d objdetect dnn ml flann photo stitching)
+  list(REMOVE_ITEM OPENCV_MODULES_MAIN ${FIXED_ORDER_MODULES})
+  set(OPENCV_MODULES_MAIN ${FIXED_ORDER_MODULES} ${OPENCV_MODULES_MAIN})
+
+  set(OPENCV_MODULES_MAIN ${OPENCV_MODULES_MAIN} CACHE INTERNAL "List of main modules" FORCE)
+  set(OPENCV_MODULES_EXTRA ${OPENCV_MODULES_EXTRA} CACHE INTERNAL "List of extra modules" FORCE)
+endmacro()
+
+
+# disables OpenCV module with missing dependencies
+function(__ocv_module_turn_off the_module)
+  list(REMOVE_ITEM OPENCV_MODULES_DISABLED_AUTO "${the_module}")
+  list(APPEND OPENCV_MODULES_DISABLED_AUTO "${the_module}")
+  list(REMOVE_ITEM OPENCV_MODULES_BUILD "${the_module}")
+  list(REMOVE_ITEM OPENCV_MODULES_PUBLIC "${the_module}")
+  set(HAVE_${the_module} OFF CACHE INTERNAL "Module ${the_module} can not be built in current configuration")
+
+  set(OPENCV_MODULES_DISABLED_AUTO "${OPENCV_MODULES_DISABLED_AUTO}" CACHE INTERNAL "")
+  set(OPENCV_MODULES_BUILD "${OPENCV_MODULES_BUILD}" CACHE INTERNAL "")
+  set(OPENCV_MODULES_PUBLIC "${OPENCV_MODULES_PUBLIC}" CACHE INTERNAL "")
+endfunction()
+
+# sort modules by dependencies
+function(__ocv_sort_modules_by_deps __lst)
+  ocv_list_sort(${__lst})
+  set(input ${${__lst}})
+  set(result "")
+  set(result_extra "")
+  while(input)
+    list(LENGTH input length_before)
+    foreach (m ${input})
+      # check if module is in the result already
+      if (NOT ";${result};" MATCHES ";${m};")
+        # scan through module dependencies...
+        set(unresolved_deps_found FALSE)
+        foreach (d ${OPENCV_MODULE_${m}_DEPS})
+          # ... which are not already in the result and are enabled
+          if ((NOT ";${result};" MATCHES ";${d};") AND HAVE_${d})
+            set(unresolved_deps_found TRUE)
+            break()
+          endif()
+        endforeach()
+        # check if all dependencies for this module has been resolved
+        if (NOT unresolved_deps_found)
+          list(APPEND result ${m})
+          list(REMOVE_ITEM input ${m})
+        endif()
+      endif()
+    endforeach()
+    list(LENGTH input length_after)
+    # check for infinite loop or unresolved dependencies
+    if (NOT length_after LESS length_before)
+      if(NOT BUILD_SHARED_LIBS)
+        if (";${input};" MATCHES ";opencv_world;")
+          list(REMOVE_ITEM input "opencv_world")
+          list(APPEND result_extra "opencv_world")
+        else()
+          # We can't do here something
+          list(APPEND result ${input})
+          break()
+        endif()
+      else()
+        message(FATAL_ERROR "FATAL: Unresolved dependencies or loop in dependency graph (${length_after})\n"
+          "Processed ${__lst}: ${${__lst}}\n"
+          "Good modules: ${result}\n"
+          "Bad modules: ${input}"
+        )
+        list(APPEND result ${input})
+        break()
+      endif()
+    endif()
+  endwhile()
+  set(${__lst} "${result};${result_extra}" PARENT_SCOPE)
+endfunction()
+
+# resolve dependencies
+function(__ocv_resolve_dependencies)
+  foreach(m ${OPENCV_MODULES_DISABLED_USER})
+    set(HAVE_${m} OFF CACHE INTERNAL "Module ${m} will not be built in current configuration")
+  endforeach()
+  foreach(m ${OPENCV_MODULES_BUILD})
+    set(HAVE_${m} ON CACHE INTERNAL "Module ${m} will be built in current configuration")
+  endforeach()
+
+  # Whitelist feature
+  if(BUILD_LIST)
+    # Prepare the list
+    string(REGEX REPLACE "[ ,:]+" ";" whitelist "${BUILD_LIST}" )
+    if(BUILD_opencv_world)
+      list(APPEND whitelist world)
+    endif()
+    ocv_list_add_prefix(whitelist "opencv_")
+    ocv_list_sort(whitelist)
+    ocv_list_unique(whitelist)
+    message(STATUS "Using whitelist: ${whitelist}")
+    # Expand the list
+    foreach(depth RANGE 10)
+      set(new_whitelist ${whitelist})
+      foreach(m ${whitelist})
+        list(APPEND new_whitelist ${OPENCV_MODULE_${m}_REQ_DEPS})
+        list(APPEND new_whitelist ${OPENCV_MODULE_${m}_PRIVATE_REQ_DEPS})
+      endforeach()
+      ocv_list_sort(new_whitelist)
+      ocv_list_unique(new_whitelist)
+      if("${whitelist}" STREQUAL "${new_whitelist}")
+        break()
+      endif()
+      set(whitelist "${new_whitelist}")
+    endforeach()
+    # Disable modules not in whitelist
+    foreach(m ${OPENCV_MODULES_BUILD})
+      list(FIND whitelist ${m} idx)
+      if(idx EQUAL -1)
+        message(STATUS "Module ${m} disabled by whitelist")
+        __ocv_module_turn_off(${m})
+      endif()
+    endforeach()
+  endif()
+
+  # add reverse wrapper dependencies (BINDINDS)
+  foreach(the_module ${OPENCV_MODULES_BUILD})
+    foreach (wrapper ${OPENCV_MODULE_${the_module}_WRAPPERS})
+      if(wrapper STREQUAL "python")  # hack for python (BINDINDS)
+        ocv_add_dependencies(opencv_python2 OPTIONAL ${the_module})
+        ocv_add_dependencies(opencv_python3 OPTIONAL ${the_module})
+      else()
+        ocv_add_dependencies(opencv_${wrapper} OPTIONAL ${the_module})
+      endif()
+      if(DEFINED OPENCV_MODULE_opencv_${wrapper}_bindings_generator_CLASS)
+        ocv_add_dependencies(opencv_${wrapper}_bindings_generator OPTIONAL ${the_module})
+      endif()
+    endforeach()
+  endforeach()
+
+  # disable MODULES with unresolved dependencies
+  set(has_changes ON)
+  while(has_changes)
+    set(has_changes OFF)
+    foreach(m ${OPENCV_MODULES_BUILD})
+      set(__deps ${OPENCV_MODULE_${m}_REQ_DEPS} ${OPENCV_MODULE_${m}_PRIVATE_REQ_DEPS})
+      while(__deps)
+        ocv_list_pop_front(__deps d)
+        string(TOLOWER "${d}" upper_d)
+        if(NOT (HAVE_${d} OR HAVE_${upper_d} OR TARGET ${d} OR EXISTS ${d}))
+          if(d MATCHES "^opencv_") # TODO Remove this condition in the future and use HAVE_ variables only
+            message(STATUS "Module ${m} disabled because ${d} dependency can't be resolved!")
+            __ocv_module_turn_off(${m})
+            set(has_changes ON)
+            break()
+          else()
+            message(STATUS "Assume that non-module dependency is available: ${d} (for module ${m})")
+          endif()
+        endif()
+      endwhile()
+    endforeach()
+  endwhile()
+
+#  message(STATUS "List of active modules: ${OPENCV_MODULES_BUILD}")
+
+  foreach(m ${OPENCV_MODULES_BUILD})
+    set(deps_${m} ${OPENCV_MODULE_${m}_REQ_DEPS})
+    foreach(d ${OPENCV_MODULE_${m}_OPT_DEPS})
+      if(NOT (";${deps_${m}};" MATCHES ";${d};"))
+        if(HAVE_${d} OR TARGET ${d})
+          list(APPEND deps_${m} ${d})
+        endif()
+      endif()
+    endforeach()
+#    message(STATUS "Initial deps of ${m} (w/o private deps): ${deps_${m}}")
+  endforeach()
+
+  # propagate dependencies
+  set(has_changes ON)
+  while(has_changes)
+    set(has_changes OFF)
+    foreach(m2 ${OPENCV_MODULES_BUILD}) # transfer deps of m2 to m
+      foreach(m ${OPENCV_MODULES_BUILD})
+        if((NOT m STREQUAL m2) AND ";${deps_${m}};" MATCHES ";${m2};")
+          foreach(d ${deps_${m2}})
+            if(NOT (";${deps_${m}};" MATCHES ";${d};"))
+#              message(STATUS "  Transfer dependency ${d} from ${m2} to ${m}")
+              list(APPEND deps_${m} ${d})
+              set(has_changes ON)
+            endif()
+            if(BUILD_opencv_world
+                AND NOT "${m}" STREQUAL "opencv_world"
+                AND NOT "${m2}" STREQUAL "opencv_world"
+                AND OPENCV_MODULE_${m2}_IS_PART_OF_WORLD
+                AND NOT OPENCV_MODULE_${m}_IS_PART_OF_WORLD)
+              if(NOT (";${deps_${m}};" MATCHES ";opencv_world;"))
+#                message(STATUS "  Transfer dependency opencv_world alias ${m2} to ${m}")
+                list(APPEND deps_${m} opencv_world)
+                set(has_changes ON)
+              endif()
+            endif()
+          endforeach()
+        endif()
+      endforeach()
+    endforeach()
+  endwhile()
+
+  # process private deps
+  foreach(m ${OPENCV_MODULES_BUILD})
+    foreach(d ${OPENCV_MODULE_${m}_PRIVATE_REQ_DEPS})
+      if(NOT (";${deps_${m}};" MATCHES ";${d};"))
+        list(APPEND deps_${m} ${d})
+      endif()
+    endforeach()
+    foreach(d ${OPENCV_MODULE_${m}_PRIVATE_OPT_DEPS})
+      if(NOT (";${deps_${m}};" MATCHES ";${d};"))
+        if(HAVE_${d} OR TARGET ${d})
+          list(APPEND deps_${m} ${d})
+        endif()
+      endif()
+    endforeach()
+  endforeach()
+
+  ocv_list_sort(OPENCV_MODULES_BUILD)
+
+  foreach(m ${OPENCV_MODULES_BUILD})
+#    message(STATUS "FULL deps of ${m}: ${deps_${m}}")
+    set(OPENCV_MODULE_${m}_DEPS ${deps_${m}})
+    set(OPENCV_MODULE_${m}_DEPS_EXT ${deps_${m}})
+    ocv_list_filterout(OPENCV_MODULE_${m}_DEPS_EXT "^opencv_[^ ]+$")
+    if(OPENCV_MODULE_${m}_DEPS_EXT AND OPENCV_MODULE_${m}_DEPS)
+      list(REMOVE_ITEM OPENCV_MODULE_${m}_DEPS ${OPENCV_MODULE_${m}_DEPS_EXT})
+    endif()
+  endforeach()
+
+  # reorder dependencies
+  foreach(m ${OPENCV_MODULES_BUILD})
+    __ocv_sort_modules_by_deps(OPENCV_MODULE_${m}_DEPS)
+
+    set(LINK_DEPS ${OPENCV_MODULE_${m}_DEPS})
+
+    # process world
+    if(BUILD_opencv_world)
+      if(OPENCV_MODULE_${m}_IS_PART_OF_WORLD)
+        list(APPEND OPENCV_WORLD_MODULES ${m})
+      endif()
+      foreach(m2 ${OPENCV_MODULES_BUILD})
+        if(OPENCV_MODULE_${m2}_IS_PART_OF_WORLD)
+          if(";${LINK_DEPS};" MATCHES ";${m2};")
+            list(REMOVE_ITEM LINK_DEPS ${m2})
+            if(NOT (";${LINK_DEPS};" MATCHES ";opencv_world;") AND NOT (${m} STREQUAL opencv_world))
+              list(APPEND LINK_DEPS opencv_world)
+            endif()
+          endif()
+          if("${m}" STREQUAL opencv_world)
+            list(APPEND OPENCV_MODULE_opencv_world_DEPS_EXT ${OPENCV_MODULE_${m2}_DEPS_EXT})
+          endif()
+        endif()
+      endforeach()
+    endif()
+
+    set(OPENCV_MODULE_${m}_DEPS ${OPENCV_MODULE_${m}_DEPS} CACHE INTERNAL "Flattened dependencies of ${m} module")
+    set(OPENCV_MODULE_${m}_DEPS_EXT ${OPENCV_MODULE_${m}_DEPS_EXT} CACHE INTERNAL "Extra dependencies of ${m} module")
+    set(OPENCV_MODULE_${m}_DEPS_TO_LINK ${LINK_DEPS} CACHE INTERNAL "Flattened dependencies of ${m} module (for linker)")
+
+#    message(STATUS "  module deps of ${m}: ${OPENCV_MODULE_${m}_DEPS}")
+#    message(STATUS "  module link deps of ${m}: ${OPENCV_MODULE_${m}_DEPS_TO_LINK}")
+#    message(STATUS "  extra deps of ${m}: ${OPENCV_MODULE_${m}_DEPS_EXT}")
+#    message(STATUS "")
+  endforeach()
+
+  __ocv_sort_modules_by_deps(OPENCV_MODULES_BUILD)
+
+  set(OPENCV_MODULES_PUBLIC        ${OPENCV_MODULES_PUBLIC}        CACHE INTERNAL "List of OpenCV modules marked for export")
+  set(OPENCV_MODULES_BUILD         ${OPENCV_MODULES_BUILD}         CACHE INTERNAL "List of OpenCV modules included into the build")
+  set(OPENCV_MODULES_DISABLED_AUTO ${OPENCV_MODULES_DISABLED_AUTO} CACHE INTERNAL "List of OpenCV modules implicitly disabled due to dependencies")
+  set(OPENCV_WORLD_MODULES         ${OPENCV_WORLD_MODULES}         CACHE INTERNAL "List of OpenCV modules included into the world")
+endfunction()
+
+
+# setup include paths for the list of passed modules
+macro(ocv_include_modules)
+  foreach(d ${ARGN})
+    if(d MATCHES "^opencv_" AND HAVE_${d})
+      if (EXISTS "${OPENCV_MODULE_${d}_LOCATION}/include")
+        ocv_include_directories("${OPENCV_MODULE_${d}_LOCATION}/include")
+      endif()
+    elseif(EXISTS "${d}")
+      ocv_include_directories("${d}")
+    endif()
+  endforeach()
+endmacro()
+
+# same as previous but with dependencies
+macro(ocv_include_modules_recurse)
+  ocv_include_modules(${ARGN})
+  foreach(d ${ARGN})
+    if(d MATCHES "^opencv_" AND HAVE_${d} AND DEFINED OPENCV_MODULE_${d}_DEPS)
+      foreach (sub ${OPENCV_MODULE_${d}_DEPS})
+        ocv_include_modules(${sub})
+      endforeach()
+    endif()
+  endforeach()
+endmacro()
+
+# setup include paths for the list of passed modules
+macro(ocv_target_include_modules target)
+  foreach(d ${ARGN})
+    if(d MATCHES "^opencv_")
+      if(HAVE_${d} AND EXISTS "${OPENCV_MODULE_${d}_LOCATION}/include")
+        ocv_target_include_directories(${target} "${OPENCV_MODULE_${d}_LOCATION}/include")
+      endif()
+    elseif(EXISTS "${d}")
+      ocv_target_include_directories(${target} "${d}")
+    else()
+      message(WARNING "Unexpected include: ${d} (module=${the_module})")
+    endif()
+  endforeach()
+endmacro()
+
+# setup include paths for the list of passed modules and recursively add dependent modules
+macro(ocv_target_include_modules_recurse target)
+  foreach(d ${ARGN})
+    if(d MATCHES "^opencv_" AND HAVE_${d})
+      if (EXISTS "${OPENCV_MODULE_${d}_LOCATION}/include")
+        ocv_target_include_directories(${target} "${OPENCV_MODULE_${d}_LOCATION}/include")
+      endif()
+      if(OPENCV_MODULE_${d}_DEPS)
+        ocv_target_include_modules(${target} ${OPENCV_MODULE_${d}_DEPS})
+      endif()
+    elseif(EXISTS "${d}")
+      ocv_target_include_directories(${target} "${d}")
+    endif()
+  endforeach()
+endmacro()
+
+# setup include path for OpenCV headers for specified module
+# ocv_module_include_directories(<extra include directories/extra include modules>)
+macro(ocv_module_include_directories)
+  if(ENABLE_PRECOMPILED_HEADERS OR OPENCV_INCLUDE_DIR_APPEND_MODULE_SRC)
+    ocv_target_include_directories(${the_module} "${OPENCV_MODULE_${the_module}_LOCATION}/src")
+  endif()
+  ocv_target_include_directories(${the_module}
+      "${OPENCV_MODULE_${the_module}_LOCATION}/include"
+      "${CMAKE_CURRENT_BINARY_DIR}" # for precompiled headers
+      )
+  ocv_target_include_modules(${the_module} ${OPENCV_MODULE_${the_module}_DEPS} ${ARGN})
+endmacro()
+
+
+# sets header and source files for the current module
+# NB: all files specified as headers will be installed
+# Usage:
+# ocv_set_module_sources([HEADERS] <list of files> [SOURCES] <list of files>)
+macro(ocv_set_module_sources)
+  ocv_debug_message("ocv_set_module_sources(" ${ARGN} ")")
+
+  set(OPENCV_MODULE_${the_module}_HEADERS "")
+  set(OPENCV_MODULE_${the_module}_SOURCES "")
+
+  foreach(f "HEADERS" ${ARGN})
+    if(f STREQUAL "HEADERS" OR f STREQUAL "SOURCES")
+      set(__filesvar "OPENCV_MODULE_${the_module}_${f}")
+    else()
+      list(APPEND ${__filesvar} "${f}")
+    endif()
+  endforeach()
+
+  # the hacky way to embed any files into the OpenCV without modification of its build system
+  if(COMMAND ocv_get_module_external_sources)
+    ocv_get_module_external_sources()
+  endif()
+
+  if(OPENCV_MODULE_${the_module}_SOURCES_DISPATCHED)
+    list(APPEND OPENCV_MODULE_${the_module}_SOURCES ${OPENCV_MODULE_${the_module}_SOURCES_DISPATCHED})
+  endif()
+
+  # TODO Update hooks above
+  ocv_cmake_hook(INIT_MODULE_SOURCES)
+  ocv_cmake_hook(INIT_MODULE_SOURCES_${the_module})
+
+  # use full paths for module to be independent from the module location
+  ocv_convert_to_full_paths(OPENCV_MODULE_${the_module}_HEADERS)
+
+  set(OPENCV_MODULE_${the_module}_HEADERS ${OPENCV_MODULE_${the_module}_HEADERS} CACHE INTERNAL "List of header files for ${the_module}")
+  set(OPENCV_MODULE_${the_module}_SOURCES ${OPENCV_MODULE_${the_module}_SOURCES} CACHE INTERNAL "List of source files for ${the_module}")
+endmacro()
+
+# finds and sets headers and sources for the standard OpenCV module
+# Usage:
+# ocv_glob_module_sources([EXCLUDE_CUDA] [EXCLUDE_OPENCL] <extra sources&headers in the same format as used in ocv_set_module_sources>)
+macro(ocv_glob_module_sources)
+  ocv_debug_message("ocv_glob_module_sources(" ${ARGN} ")")
+  set(_argn ${ARGN})
+  list(FIND _argn "EXCLUDE_CUDA" exclude_cuda)
+  if(NOT exclude_cuda EQUAL -1)
+    list(REMOVE_AT _argn ${exclude_cuda})
+  endif()
+  list(FIND _argn "EXCLUDE_OPENCL" exclude_opencl)
+  if(NOT exclude_opencl EQUAL -1)
+    list(REMOVE_AT _argn ${exclude_opencl})
+  endif()
+
+  file(GLOB_RECURSE lib_srcs
+       "${CMAKE_CURRENT_LIST_DIR}/src/*.cpp"
+  )
+  file(GLOB_RECURSE lib_int_hdrs
+       "${CMAKE_CURRENT_LIST_DIR}/src/*.hpp"
+       "${CMAKE_CURRENT_LIST_DIR}/src/*.h"
+  )
+  file(GLOB lib_hdrs
+       "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/*.hpp"
+       "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/*.hpp"
+       "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/*.h"
+       "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/hal/*.hpp"
+       "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/hal/*.h"
+       "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/utils/*.hpp"
+       "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/utils/*.h"
+       "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/legacy/*.h"
+  )
+  file(GLOB lib_hdrs_detail
+       "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/detail/*.hpp"
+       "${CMAKE_CURRENT_LIST_DIR}/include/opencv2/${name}/detail/*.h"
+  )
+  if (APPLE)
+    file(GLOB_RECURSE lib_srcs_apple
+         "${CMAKE_CURRENT_LIST_DIR}/src/*.mm"
+         "${CMAKE_CURRENT_LIST_DIR}/src/*.swift"
+    )
+    list(APPEND lib_srcs ${lib_srcs_apple})
+  endif()
+
+  ocv_source_group("Src" DIRBASE "${CMAKE_CURRENT_LIST_DIR}/src" FILES ${lib_srcs} ${lib_int_hdrs})
+  ocv_source_group("Include" DIRBASE "${CMAKE_CURRENT_LIST_DIR}/include" FILES ${lib_hdrs} ${lib_hdrs_detail})
+
+  set(lib_cuda_srcs "")
+  set(lib_cuda_hdrs "")
+  if(HAVE_CUDA AND exclude_cuda EQUAL -1)
+    file(GLOB lib_cuda_srcs
+         "${CMAKE_CURRENT_LIST_DIR}/src/cuda/*.cu"
+    )
+    file(GLOB lib_cuda_hdrs
+         "${CMAKE_CURRENT_LIST_DIR}/src/cuda/*.hpp"
+    )
+    source_group("Src\\Cuda"      FILES ${lib_cuda_srcs} ${lib_cuda_hdrs})
+  endif()
+
+  file(GLOB cl_kernels
+       "${CMAKE_CURRENT_LIST_DIR}/src/opencl/*.cl"
+  )
+  if(cl_kernels AND exclude_opencl EQUAL -1)
+    set(OCL_NAME opencl_kernels_${name})
+    add_custom_command(
+      OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${OCL_NAME}.cpp"  # don't add .hpp file here to optimize build process
+      COMMAND ${CMAKE_COMMAND} "-DMODULE_NAME=${name}" "-DCL_DIR=${CMAKE_CURRENT_LIST_DIR}/src/opencl" "-DOUTPUT=${CMAKE_CURRENT_BINARY_DIR}/${OCL_NAME}.cpp" -P "${OpenCV_SOURCE_DIR}/cmake/cl2cpp.cmake"
+      DEPENDS ${cl_kernels} "${OpenCV_SOURCE_DIR}/cmake/cl2cpp.cmake"
+      COMMENT "Processing OpenCL kernels (${name})"
+    )
+    ocv_source_group("Src\\opencl\\kernels" FILES ${cl_kernels})
+    ocv_source_group("Src\\opencl\\kernels\\autogenerated" FILES "${CMAKE_CURRENT_BINARY_DIR}/${OCL_NAME}.cpp" "${CMAKE_CURRENT_BINARY_DIR}/${OCL_NAME}.hpp")
+    set_source_files_properties("${CMAKE_CURRENT_BINARY_DIR}/${OCL_NAME}.cpp" "${CMAKE_CURRENT_BINARY_DIR}/${OCL_NAME}.hpp"
+        PROPERTIES GENERATED TRUE
+    )
+    list(APPEND lib_srcs ${cl_kernels} "${CMAKE_CURRENT_BINARY_DIR}/${OCL_NAME}.cpp" "${CMAKE_CURRENT_BINARY_DIR}/${OCL_NAME}.hpp")
+  endif()
+
+  ocv_set_module_sources(${_argn} HEADERS ${lib_hdrs} ${lib_hdrs_detail}
+                         SOURCES ${lib_srcs} ${lib_int_hdrs} ${lib_cuda_srcs} ${lib_cuda_hdrs})
+endmacro()
+
+# creates OpenCV module in current folder
+# creates new target, configures standard dependencies, compilers flags, install rules
+# Usage:
+#   ocv_create_module(<extra link dependencies>)
+#   ocv_create_module()
+macro(ocv_create_module)
+  ocv_debug_message("${the_module}: ocv_create_module(" ${ARGN} ")")
+  if(OPENCV_MODULE_${the_module}_CLASS STREQUAL "BINDINGS")
+    message(FATAL_ERROR "Bindings module can't call ocv_create_module()")
+  endif()
+  if(NOT " ${ARGN}" STREQUAL " ")
+    set(OPENCV_MODULE_${the_module}_LINK_DEPS "${OPENCV_MODULE_${the_module}_LINK_DEPS};${ARGN}" CACHE INTERNAL "")
+  endif()
+  if(BUILD_opencv_world AND OPENCV_MODULE_${the_module}_IS_PART_OF_WORLD)
+    # nothing
+    set(the_module_target opencv_world)
+  else()
+    _ocv_create_module(${ARGN})
+    set(the_module_target ${the_module})
+  endif()
+
+  if(WINRT AND BUILD_TESTS)
+    # removing APPCONTAINER from modules to run from console
+    # in case of usual starting of WinRT test apps output is missing
+    # so starting of console version w/o APPCONTAINER is required to get test results
+    # also this allows to use opencv_extra test data for these tests
+    if(NOT "${the_module}" STREQUAL "opencv_ts" AND NOT "${the_module}" STREQUAL "opencv_hal")
+      add_custom_command(TARGET ${the_module}
+                         POST_BUILD
+                         COMMAND link.exe /edit /APPCONTAINER:NO $(TargetPath))
+    endif()
+
+    if("${the_module}" STREQUAL "opencv_ts")
+      # copy required dll files; WinRT apps need these dlls that are usually substituted by Visual Studio
+      # however they are not on path and need to be placed with executables to run from console w/o APPCONTAINER
+      add_custom_command(TARGET ${the_module}
+        POST_BUILD
+        COMMAND copy /y "\"$(VCInstallDir)redist\\$(PlatformTarget)\\Microsoft.VC$(PlatformToolsetVersion).CRT\\msvcp$(PlatformToolsetVersion).dll\"" "\"${CMAKE_BINARY_DIR}\\bin\\$(Configuration)\\msvcp$(PlatformToolsetVersion)_app.dll\""
+        COMMAND copy /y "\"$(VCInstallDir)redist\\$(PlatformTarget)\\Microsoft.VC$(PlatformToolsetVersion).CRT\\msvcr$(PlatformToolsetVersion).dll\"" "\"${CMAKE_BINARY_DIR}\\bin\\$(Configuration)\\msvcr$(PlatformToolsetVersion)_app.dll\""
+        COMMAND copy /y "\"$(VCInstallDir)redist\\$(PlatformTarget)\\Microsoft.VC$(PlatformToolsetVersion).CRT\\vccorlib$(PlatformToolsetVersion).dll\"" "\"${CMAKE_BINARY_DIR}\\bin\\$(Configuration)\\vccorlib$(PlatformToolsetVersion)_app.dll\"")
+    endif()
+  endif()
+endmacro()
+
+macro(_ocv_create_module)
+  add_definitions(-D__OPENCV_BUILD=1)
+
+  ocv_compiler_optimization_process_sources(OPENCV_MODULE_${the_module}_SOURCES OPENCV_MODULE_${the_module}_DEPS_EXT ${the_module})
+  set(__module_headers ${OPENCV_MODULE_${the_module}_HEADERS})
+  if(__module_headers)
+    list(SORT __module_headers)  # fix headers order, useful for bindings
+  endif()
+  set(OPENCV_MODULE_${the_module}_HEADERS ${__module_headers} CACHE INTERNAL "List of header files for ${the_module}")
+  set(OPENCV_MODULE_${the_module}_SOURCES ${OPENCV_MODULE_${the_module}_SOURCES} CACHE INTERNAL "List of source files for ${the_module}")
+
+  # The condition we ought to be testing here is whether ocv_add_precompiled_headers will
+  # be called at some point in the future. We can't look into the future, though,
+  # so this will have to do.
+  if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/src/precomp.hpp" AND NOT ${the_module} STREQUAL opencv_world)
+    get_native_precompiled_header(${the_module} precomp.hpp)
+  endif()
+
+  if(WIN32
+      AND (BUILD_SHARED_LIBS AND NOT "x${OPENCV_MODULE_TYPE}" STREQUAL "xSTATIC")
+      AND NOT OPENCV_VS_VERSIONINFO_SKIP)
+    if(DEFINED OPENCV_VS_VERSIONINFO_FILE)
+      set(_VS_VERSION_FILE "${OPENCV_VS_VERSIONINFO_FILE}")
+    elseif(DEFINED OPENCV_VS_VERSIONINFO_${the_module}_FILE)
+      set(_VS_VERSION_FILE "${OPENCV_VS_VERSIONINFO_${the_module}_FILE}")
+    elseif(NOT OPENCV_VS_VERSIONINFO_SKIP_GENERATION)
+      set(_VS_VERSION_FILE "${CMAKE_CURRENT_BINARY_DIR}/vs_version.rc")
+      ocv_generate_vs_version_file("${_VS_VERSION_FILE}"
+        NAME "${the_module}"
+        FILEDESCRIPTION "OpenCV module: ${OPENCV_MODULE_${the_module}_DESCRIPTION}"
+        INTERNALNAME "${the_module}${OPENCV_DLLVERSION}"
+        ORIGINALFILENAME "${the_module}${OPENCV_DLLVERSION}.dll"
+      )
+    endif()
+    if(_VS_VERSION_FILE)
+      if(NOT EXISTS "${_VS_VERSION_FILE}")
+        message(STATUS "${the_module}: Required .rc file is missing: ${_VS_VERSION_FILE}")
+      endif()
+      source_group("Src" FILES "${_VS_VERSION_FILE}")
+    endif()
+  endif()
+  if(WIN32 AND NOT (
+          "${the_module}" STREQUAL "opencv_core" OR
+          "${the_module}" STREQUAL "opencv_world" OR
+          "${the_module}" STREQUAL "opencv_cudev"
+      )
+      AND (BUILD_SHARED_LIBS AND NOT "x${OPENCV_MODULE_TYPE}" STREQUAL "xSTATIC")
+      AND NOT OPENCV_SKIP_DLLMAIN_GENERATION
+  )
+      set(_DLLMAIN_FILE "${CMAKE_CURRENT_BINARY_DIR}/${the_module}_main.cpp")
+      configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/dllmain.cpp.in" "${_DLLMAIN_FILE}" @ONLY)
+  endif()
+
+  source_group("Include" FILES "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cvconfig.h" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/opencv2/opencv_modules.hpp")
+  source_group("Src" FILES "${${the_module}_pch}")
+  ocv_cmake_hook(PRE_CREATE_MODULE_LIBRARY)
+  ocv_cmake_hook(PRE_CREATE_MODULE_LIBRARY_${the_module})
+  ocv_add_library(${the_module} ${OPENCV_MODULE_TYPE} ${OPENCV_MODULE_${the_module}_HEADERS} ${OPENCV_MODULE_${the_module}_SOURCES}
+    "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cvconfig.h" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/opencv2/opencv_modules.hpp"
+    ${${the_module}_pch}
+    ${_VS_VERSION_FILE}
+    ${_DLLMAIN_FILE}
+  )
+  set_target_properties(${the_module} PROPERTIES LABELS "${OPENCV_MODULE_${the_module}_LABEL};Module")
+  set_source_files_properties(${OPENCV_MODULE_${the_module}_HEADERS} ${OPENCV_MODULE_${the_module}_SOURCES} ${${the_module}_pch}
+    PROPERTIES LABELS "${OPENCV_MODULE_${the_module}_LABEL};Module")
+
+  ocv_target_link_libraries(${the_module} PUBLIC    ${OPENCV_MODULE_${the_module}_DEPS_TO_LINK}
+                                          INTERFACE ${OPENCV_MODULE_${the_module}_DEPS_TO_LINK}
+  )
+  ocv_target_link_libraries(${the_module} PUBLIC    ${OPENCV_MODULE_${the_module}_DEPS_EXT}
+                                          INTERFACE ${OPENCV_MODULE_${the_module}_DEPS_EXT}
+  )
+  ocv_target_link_libraries(${the_module} PRIVATE ${OPENCV_LINKER_LIBS} ${OPENCV_HAL_LINKER_LIBS} ${IPP_LIBS} ${ARGN})
+  if (HAVE_CUDA)
+    ocv_target_link_libraries(${the_module} PRIVATE ${CUDA_LIBRARIES} ${CUDA_npp_LIBRARY})
+  endif()
+
+  if(OPENCV_MODULE_${the_module}_COMPILE_DEFINITIONS)
+    target_compile_definitions(${the_module} ${OPENCV_MODULE_${the_module}_COMPILE_DEFINITIONS})
+    unset(OPENCV_MODULE_${the_module}_COMPILE_DEFINITIONS CACHE)
+  endif()
+
+  add_dependencies(opencv_modules ${the_module})
+
+  if(ENABLE_SOLUTION_FOLDERS)
+    set_target_properties(${the_module} PROPERTIES FOLDER "modules")
+  endif()
+
+  set_target_properties(${the_module} PROPERTIES
+    OUTPUT_NAME "${the_module}${OPENCV_DLLVERSION}"
+    DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
+    COMPILE_PDB_NAME "${the_module}${OPENCV_DLLVERSION}"
+    COMPILE_PDB_NAME_DEBUG "${the_module}${OPENCV_DLLVERSION}${OPENCV_DEBUG_POSTFIX}"
+    ARCHIVE_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH}
+    COMPILE_PDB_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH}
+    LIBRARY_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH}
+    RUNTIME_OUTPUT_DIRECTORY ${EXECUTABLE_OUTPUT_PATH}
+    DEFINE_SYMBOL CVAPI_EXPORTS
+  )
+
+  if(BUILD_FAT_JAVA_LIB)  # force exports from static modules too
+    if(BUILD_SHARED_LIBS)
+      message(FATAL_ERROR "Assertion failed: BUILD_SHARED_LIBS=OFF must be off if BUILD_FAT_JAVA_LIB=ON")
+    endif()
+    target_compile_definitions(${the_module} PRIVATE CVAPI_EXPORTS)
+  endif()
+
+  # For dynamic link numbering conventions
+  if(NOT ANDROID)
+    # Android SDK build scripts can include only .so files into final .apk
+    # As result we should not set version properties for Android
+    set_target_properties(${the_module} PROPERTIES
+      VERSION ${OPENCV_LIBVERSION}
+      SOVERSION ${OPENCV_SOVERSION}
+    )
+  endif()
+
+  if (ENABLE_GNU_STL_DEBUG)
+    target_compile_definitions(${the_module} PUBLIC _GLIBCXX_DEBUG)
+  endif()
+
+  if(MSVC)
+    if(CMAKE_CROSSCOMPILING)
+      set_target_properties(${the_module} PROPERTIES LINK_FLAGS "/NODEFAULTLIB:secchk")
+    endif()
+    set_target_properties(${the_module} PROPERTIES LINK_FLAGS "/NODEFAULTLIB:libc /DEBUG")
+  endif()
+
+  get_target_property(_target_type ${the_module} TYPE)
+  if(OPENCV_MODULE_${the_module}_CLASS STREQUAL "PUBLIC" AND
+      ("${_target_type}" STREQUAL "SHARED_LIBRARY" OR (NOT BUILD_SHARED_LIBS OR NOT INSTALL_CREATE_DISTRIB)))
+    ocv_install_target(${the_module} EXPORT OpenCVModules OPTIONAL
+      RUNTIME DESTINATION ${OPENCV_BIN_INSTALL_PATH} COMPONENT libs
+      LIBRARY DESTINATION ${OPENCV_LIB_INSTALL_PATH} COMPONENT libs NAMELINK_SKIP
+      ARCHIVE DESTINATION ${OPENCV_LIB_ARCHIVE_INSTALL_PATH} COMPONENT dev
+      )
+  endif()
+  if("${_target_type}" STREQUAL "SHARED_LIBRARY")
+    install(TARGETS ${the_module}
+      LIBRARY DESTINATION ${OPENCV_LIB_INSTALL_PATH} COMPONENT dev NAMELINK_ONLY)
+  endif()
+
+  # only "public" headers need to be installed
+  ocv_cmake_hook(PRE_INSTALL_MODULE_HEADERS)
+  ocv_cmake_hook(PRE_INSTALL_MODULE_HEADERS_${the_module})
+  if(OPENCV_MODULE_${the_module}_HEADERS AND ";${OPENCV_MODULES_PUBLIC};" MATCHES ";${the_module};")
+    foreach(hdr ${OPENCV_MODULE_${the_module}_HEADERS})
+      string(REGEX REPLACE "^.*opencv2/" "opencv2/" hdr2 "${hdr}")
+      if(NOT hdr2 MATCHES "private" AND hdr2 MATCHES "^(opencv2/?.*)/[^/]+.h(..)?$" )
+        install(FILES ${hdr} OPTIONAL DESTINATION "${OPENCV_INCLUDE_INSTALL_PATH}/${CMAKE_MATCH_1}" COMPONENT dev)
+      else()
+        #message("Header file will be NOT installed: ${hdr}")
+      endif()
+    endforeach()
+  endif()
+
+  _ocv_add_precompiled_headers(${the_module})
+
+  ocv_cmake_hook(POST_CREATE_MODULE_LIBRARY)
+  ocv_cmake_hook(POST_CREATE_MODULE_LIBRARY_${the_module})
+endmacro()
+
+# opencv precompiled headers macro (can add pch to modules and tests)
+# this macro must be called after any "add_definitions" commands, otherwise precompiled headers will not work
+# Usage:
+# ocv_add_precompiled_headers(${the_module})
+macro(_ocv_add_precompiled_headers the_target)
+  ocv_debug_message("ocv_add_precompiled_headers(" ${the_target} ${ARGN} ")")
+
+  if("${the_target}" MATCHES "^opencv_test_.*$")
+    SET(pch_path "test/test_")
+  elseif("${the_target}" MATCHES "^opencv_perf_.*$")
+    SET(pch_path "perf/perf_")
+  else()
+    SET(pch_path "src/")
+  endif()
+  ocv_add_precompiled_header_to_target(${the_target} "${CMAKE_CURRENT_SOURCE_DIR}/${pch_path}precomp.hpp")
+  unset(pch_path)
+endmacro()
+
+# short command for adding simple OpenCV module
+# see ocv_add_module for argument details
+# Usage:
+# ocv_define_module(module_name  [INTERNAL] [EXCLUDE_CUDA] [REQUIRED] [<list of dependencies>] [OPTIONAL <list of optional dependencies>] [WRAP <list of wrappers>])
+macro(ocv_define_module module_name)
+  ocv_debug_message("ocv_define_module(" ${module_name} ${ARGN} ")")
+  set(_argn ${ARGN})
+  set(exclude_cuda "")
+  foreach(arg ${_argn})
+    if("${arg}" STREQUAL "EXCLUDE_CUDA")
+      set(exclude_cuda "${arg}")
+      list(REMOVE_ITEM _argn ${arg})
+    endif()
+  endforeach()
+
+  ocv_add_module(${module_name} ${_argn})
+  ocv_glob_module_sources(${exclude_cuda})
+  ocv_module_include_directories()
+  ocv_create_module()
+
+  ocv_add_accuracy_tests()
+  ocv_add_perf_tests()
+  ocv_add_samples()
+endmacro()
+
+# ensures that all passed modules are available
+# sets OCV_DEPENDENCIES_FOUND variable to TRUE/FALSE
+macro(ocv_check_dependencies)
+  set(OCV_DEPENDENCIES_FOUND TRUE)
+  foreach(d ${ARGN})
+    if(d MATCHES "^opencv_[^ ]+$" AND NOT HAVE_${d})
+      set(OCV_DEPENDENCIES_FOUND FALSE)
+      break()
+    endif()
+  endforeach()
+endmacro()
+
+################################################################################
+# OpenCV tests
+################################################################################
+
+if(DEFINED OPENCV_BUILD_TEST_MODULES_LIST)
+  string(REPLACE "," ";" OPENCV_BUILD_TEST_MODULES_LIST "${OPENCV_BUILD_TEST_MODULES_LIST}")  # support comma-separated list (,) too
+endif()
+if(DEFINED OPENCV_BUILD_PERF_TEST_MODULES_LIST)
+  string(REPLACE "," ";" OPENCV_BUILD_PERF_TEST_MODULES_LIST "${OPENCV_BUILD_PERF_TEST_MODULES_LIST}")  # support comma-separated list (,) too
+endif()
+
+# auxiliary macro to parse arguments of ocv_add_accuracy_tests and ocv_add_perf_tests commands
+macro(__ocv_parse_test_sources tests_type)
+  set(OPENCV_${tests_type}_${the_module}_SOURCES "")
+  set(OPENCV_${tests_type}_${the_module}_DEPS "")
+  set(__file_group_name "")
+  set(__file_group_sources "")
+  foreach(arg "DEPENDS_ON" ${ARGN} "FILES")
+    if(arg STREQUAL "FILES")
+      set(__currentvar "__file_group_sources")
+      if(__file_group_name AND __file_group_sources)
+        source_group("${__file_group_name}" FILES ${__file_group_sources})
+        list(APPEND OPENCV_${tests_type}_${the_module}_SOURCES ${__file_group_sources})
+      endif()
+      set(__file_group_name "")
+      set(__file_group_sources "")
+    elseif(arg STREQUAL "DEPENDS_ON")
+      set(__currentvar "OPENCV_${tests_type}_${the_module}_DEPS")
+    elseif(" ${__currentvar}" STREQUAL " __file_group_sources" AND NOT __file_group_name) # spaces to avoid CMP0054
+      set(__file_group_name "${arg}")
+    else()
+      list(APPEND ${__currentvar} "${arg}")
+    endif()
+  endforeach()
+  unset(__file_group_name)
+  unset(__file_group_sources)
+  unset(__currentvar)
+endmacro()
+
+ocv_check_environment_variables(OPENCV_TEST_EXTRA_CXX_FLAGS_Release)
+
+# this is a command for adding OpenCV performance tests to the module
+# ocv_add_perf_tests(<extra_dependencies>)
+function(ocv_add_perf_tests)
+  ocv_debug_message("ocv_add_perf_tests(" ${ARGN} ")")
+
+  if(WINRT)
+    set(OPENCV_DEBUG_POSTFIX "")
+  endif()
+
+  set(perf_path "${CMAKE_CURRENT_LIST_DIR}/perf")
+  if(BUILD_PERF_TESTS AND EXISTS "${perf_path}"
+      AND (NOT DEFINED OPENCV_BUILD_PERF_TEST_MODULES_LIST
+          OR OPENCV_BUILD_PERF_TEST_MODULES_LIST STREQUAL "all"
+          OR ";${OPENCV_BUILD_PERF_TEST_MODULES_LIST};" MATCHES ";${name};"
+      )
+  )
+    __ocv_parse_test_sources(PERF ${ARGN})
+
+    # opencv_imgcodecs is required for imread/imwrite
+    set(perf_deps opencv_ts ${the_module} opencv_imgcodecs ${OPENCV_MODULE_${the_module}_DEPS} ${OPENCV_MODULE_opencv_ts_DEPS})
+    ocv_check_dependencies(${perf_deps})
+
+    if(OCV_DEPENDENCIES_FOUND)
+      set(the_target "opencv_perf_${name}")
+      # project(${the_target})
+
+      if(NOT OPENCV_PERF_${the_module}_SOURCES)
+        file(GLOB_RECURSE perf_srcs "${perf_path}/*.cpp")
+        file(GLOB_RECURSE perf_hdrs "${perf_path}/*.hpp" "${perf_path}/*.h")
+        ocv_source_group("Src" DIRBASE "${perf_path}" FILES ${perf_srcs})
+        ocv_source_group("Include" DIRBASE "${perf_path}" FILES ${perf_hdrs})
+        set(OPENCV_PERF_${the_module}_SOURCES ${perf_srcs} ${perf_hdrs})
+      endif()
+
+      ocv_compiler_optimization_process_sources(OPENCV_PERF_${the_module}_SOURCES OPENCV_PERF_${the_module}_DEPS ${the_target})
+
+      if(NOT BUILD_opencv_world)
+        get_native_precompiled_header(${the_target} perf_precomp.hpp)
+      endif()
+
+      source_group("Src" FILES "${${the_target}_pch}")
+      ocv_add_executable(${the_target} ${OPENCV_PERF_${the_module}_SOURCES} ${${the_target}_pch})
+      ocv_target_include_modules(${the_target} ${perf_deps})
+      ocv_target_link_libraries(${the_target} PRIVATE ${perf_deps} ${OPENCV_MODULE_${the_module}_DEPS} ${OPENCV_LINKER_LIBS} ${OPENCV_PERF_${the_module}_DEPS})
+      add_dependencies(opencv_perf_tests ${the_target})
+
+      if(TARGET opencv_videoio_plugins)
+        add_dependencies(${the_target} opencv_videoio_plugins)
+      endif()
+      if(TARGET opencv_highgui_plugins)
+        add_dependencies(${the_target} opencv_highgui_plugins)
+      endif()
+
+      if(HAVE_HPX)
+        message("Linking HPX to Perf test of module ${name}")
+        ocv_target_link_libraries(${the_target} LINK_PRIVATE "${HPX_LIBRARIES}")
+      endif()
+
+      set_target_properties(${the_target} PROPERTIES LABELS "${OPENCV_MODULE_${the_module}_LABEL};PerfTest")
+      set_source_files_properties(${OPENCV_PERF_${the_module}_SOURCES} ${${the_target}_pch}
+        PROPERTIES LABELS "${OPENCV_MODULE_${the_module}_LABEL};PerfTest")
+
+      # Additional target properties
+      set_target_properties(${the_target} PROPERTIES
+        DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
+        RUNTIME_OUTPUT_DIRECTORY "${EXECUTABLE_OUTPUT_PATH}"
+      )
+      if(ENABLE_SOLUTION_FOLDERS)
+        set_target_properties(${the_target} PROPERTIES FOLDER "tests performance")
+      endif()
+
+      if(WINRT)
+        # removing APPCONTAINER from tests to run from console
+        # look for detailed description inside of ocv_create_module macro above
+        add_custom_command(TARGET "opencv_perf_${name}"
+                           POST_BUILD
+                           COMMAND link.exe /edit /APPCONTAINER:NO $(TargetPath))
+      endif()
+
+      if(NOT BUILD_opencv_world)
+        _ocv_add_precompiled_headers(${the_target})
+      endif()
+
+      ocv_add_test_from_target("${the_target}" "Performance" "${the_target}")
+      ocv_add_test_from_target("opencv_sanity_${name}" "Sanity" "${the_target}"
+                               "--perf_min_samples=1"
+                               "--perf_force_samples=1"
+                               "--perf_verify_sanity")
+    else(OCV_DEPENDENCIES_FOUND)
+      # TODO: warn about unsatisfied dependencies
+    endif(OCV_DEPENDENCIES_FOUND)
+    if(INSTALL_TESTS)
+      install(TARGETS ${the_target} RUNTIME DESTINATION ${OPENCV_TEST_INSTALL_PATH} COMPONENT tests)
+    endif()
+  endif()
+endfunction()
+
+# this is a command for adding OpenCV accuracy/regression tests to the module
+# ocv_add_accuracy_tests(<list of extra dependencies>)
+function(ocv_add_accuracy_tests)
+  ocv_debug_message("ocv_add_accuracy_tests(" ${ARGN} ")")
+
+  set(test_path "${CMAKE_CURRENT_LIST_DIR}/test")
+  if(BUILD_TESTS AND EXISTS "${test_path}"
+      AND (NOT DEFINED OPENCV_BUILD_TEST_MODULES_LIST
+          OR OPENCV_BUILD_TEST_MODULES_LIST STREQUAL "all"
+          OR ";${OPENCV_BUILD_TEST_MODULES_LIST};" MATCHES ";${name};"
+      )
+  )
+    __ocv_parse_test_sources(TEST ${ARGN})
+
+    # opencv_imgcodecs is required for imread/imwrite
+    set(test_deps opencv_ts ${the_module} opencv_imgcodecs opencv_videoio ${OPENCV_MODULE_${the_module}_DEPS} ${OPENCV_MODULE_opencv_ts_DEPS})
+    ocv_check_dependencies(${test_deps})
+    if(OCV_DEPENDENCIES_FOUND)
+      set(the_target "opencv_test_${name}")
+      # project(${the_target})
+
+      if(NOT OPENCV_TEST_${the_module}_SOURCES)
+        file(GLOB_RECURSE test_srcs "${test_path}/*.cpp")
+        file(GLOB_RECURSE test_hdrs "${test_path}/*.hpp" "${test_path}/*.h")
+        ocv_source_group("Src" DIRBASE "${test_path}" FILES ${test_srcs})
+        ocv_source_group("Include" DIRBASE "${test_path}" FILES ${test_hdrs})
+        set(OPENCV_TEST_${the_module}_SOURCES ${test_srcs} ${test_hdrs})
+      endif()
+
+      if(OPENCV_MODULE_${the_module}_TEST_SOURCES_DISPATCHED)
+        list(APPEND OPENCV_TEST_${the_module}_SOURCES ${OPENCV_MODULE_${the_module}_TEST_SOURCES_DISPATCHED})
+      endif()
+      ocv_compiler_optimization_process_sources(OPENCV_TEST_${the_module}_SOURCES OPENCV_TEST_${the_module}_DEPS ${the_target})
+
+      if(NOT BUILD_opencv_world)
+        get_native_precompiled_header(${the_target} test_precomp.hpp)
+      endif()
+
+      source_group("Src" FILES "${${the_target}_pch}")
+      ocv_add_executable(${the_target} ${OPENCV_TEST_${the_module}_SOURCES} ${${the_target}_pch})
+      ocv_target_include_modules(${the_target} ${test_deps})
+      if(EXISTS "${CMAKE_CURRENT_BINARY_DIR}/test")
+        ocv_target_include_directories(${the_target} "${CMAKE_CURRENT_BINARY_DIR}/test")
+      endif()
+      ocv_target_link_libraries(${the_target} PRIVATE ${test_deps} ${OPENCV_MODULE_${the_module}_DEPS} ${OPENCV_LINKER_LIBS} ${OPENCV_TEST_${the_module}_DEPS})
+      add_dependencies(opencv_tests ${the_target})
+
+      if(TARGET opencv_videoio_plugins)
+        add_dependencies(${the_target} opencv_videoio_plugins)
+      endif()
+      if(TARGET opencv_highgui_plugins)
+        add_dependencies(${the_target} opencv_highgui_plugins)
+      endif()
+
+      if(HAVE_HPX)
+        message("Linking HPX to Perf test of module ${name}")
+        ocv_target_link_libraries(${the_target} LINK_PRIVATE "${HPX_LIBRARIES}")
+      endif()
+
+      set_target_properties(${the_target} PROPERTIES LABELS "${OPENCV_MODULE_${the_module}_LABEL};AccuracyTest")
+      set_source_files_properties(${OPENCV_TEST_${the_module}_SOURCES} ${${the_target}_pch}
+        PROPERTIES LABELS "${OPENCV_MODULE_${the_module}_LABEL};AccuracyTest")
+
+      # Additional target properties
+      set_target_properties(${the_target} PROPERTIES
+        DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
+        RUNTIME_OUTPUT_DIRECTORY "${EXECUTABLE_OUTPUT_PATH}"
+      )
+
+      ocv_append_target_property(${the_target} COMPILE_DEFINITIONS "__OPENCV_TESTS=1")
+
+      if(ENABLE_SOLUTION_FOLDERS)
+        set_target_properties(${the_target} PROPERTIES FOLDER "tests accuracy")
+      endif()
+
+      if(OPENCV_TEST_BIGDATA)
+        ocv_append_target_property(${the_target} COMPILE_DEFINITIONS "OPENCV_TEST_BIGDATA=1")
+      endif()
+
+      if(NOT BUILD_opencv_world)
+        _ocv_add_precompiled_headers(${the_target})
+      endif()
+
+      if(OPENCV_TEST_EXTRA_CXX_FLAGS_Release)
+        target_compile_options(${the_target} PRIVATE "$<$<CONFIG:Release>:${OPENCV_TEST_EXTRA_CXX_FLAGS_Release}>")
+      endif()
+
+      ocv_add_test_from_target("${the_target}" "Accuracy" "${the_target}")
+    else(OCV_DEPENDENCIES_FOUND)
+      # TODO: warn about unsatisfied dependencies
+    endif(OCV_DEPENDENCIES_FOUND)
+
+    if(INSTALL_TESTS)
+      install(TARGETS ${the_target} RUNTIME DESTINATION ${OPENCV_TEST_INSTALL_PATH} COMPONENT tests)
+    endif()
+  endif()
+endfunction()
+
+function(ocv_add_samples)
+  ocv_debug_message("ocv_add_samples(" ${ARGN} ")")
+
+  set(samples_path "${CMAKE_CURRENT_SOURCE_DIR}/samples")
+  if(NOT EXISTS "${samples_path}")
+    return()
+  endif()
+
+  string(REGEX REPLACE "^opencv_" "" module_id ${the_module})
+
+  if(BUILD_EXAMPLES)
+    set(samples_deps ${the_module} ${OPENCV_MODULE_${the_module}_DEPS} opencv_imgcodecs opencv_videoio opencv_highgui ${ARGN})
+    ocv_check_dependencies(${samples_deps})
+
+    if(OCV_DEPENDENCIES_FOUND)
+      file(GLOB sample_sources "${samples_path}/*.cpp")
+
+      foreach(source ${sample_sources})
+        get_filename_component(name "${source}" NAME_WE)
+        set(the_target "example_${module_id}_${name}")
+
+        ocv_add_executable(${the_target} "${source}")
+        ocv_target_include_modules(${the_target} ${samples_deps})
+        ocv_target_link_libraries(${the_target} PRIVATE ${samples_deps})
+
+        set_target_properties(${the_target} PROPERTIES
+          PROJECT_LABEL "(sample) ${name}"
+          LABELS "${OPENCV_MODULE_${the_module}_LABEL};Sample")
+        set_source_files_properties("${source}" PROPERTIES
+          LABELS "${OPENCV_MODULE_${the_module}_LABEL};Sample")
+        if(ENABLE_SOLUTION_FOLDERS)
+          set_target_properties(${the_target} PROPERTIES
+            FOLDER "samples/${module_id}")
+        endif()
+        # Add single target to build all samples for the module: 'make opencv_samples_bioinspired'
+        set(parent_target opencv_samples_${module_id})
+        if(NOT TARGET ${parent_target})
+          add_custom_target(${parent_target})
+          add_dependencies(opencv_samples ${parent_target})
+        endif()
+        add_dependencies(${parent_target} ${the_target})
+
+        if(TARGET opencv_videoio_plugins)
+          add_dependencies(${the_target} opencv_videoio_plugins)
+        endif()
+        if(TARGET opencv_highgui_plugins)
+          add_dependencies(${the_target} opencv_highgui_plugins)
+        endif()
+
+        if(INSTALL_BIN_EXAMPLES)
+          install(TARGETS ${the_target} RUNTIME DESTINATION "${OPENCV_SAMPLES_BIN_INSTALL_PATH}/${module_id}" COMPONENT samples)
+        endif()
+      endforeach()
+    endif()
+  endif()
+
+  if(INSTALL_C_EXAMPLES)
+    file(GLOB DEPLOY_FILES_AND_DIRS "${samples_path}/*")
+    foreach(ITEM ${DEPLOY_FILES_AND_DIRS})
+        IF( IS_DIRECTORY "${ITEM}" )
+            LIST( APPEND sample_dirs "${ITEM}" )
+        ELSE()
+            LIST( APPEND sample_files "${ITEM}" )
+        ENDIF()
+    endforeach()
+    install(FILES ${sample_files}
+            DESTINATION "${OPENCV_SAMPLES_SRC_INSTALL_PATH}/${module_id}"
+            COMPONENT samples)
+    install(DIRECTORY ${sample_dirs}
+            DESTINATION "${OPENCV_SAMPLES_SRC_INSTALL_PATH}/${module_id}"
+            COMPONENT samples)
+  endif()
+endfunction()