Upgrade to OpenCV 4.11 and CMake 4

.github/workflows/test-coverage.yaml

@@ -15,7 +15,7 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-r@v2
         with:
@@ -54,7 +54,7 @@ jobs:
 
       - name: Upload test results
         if: failure()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage-test-failures
           path: ${{ runner.temp }}/package

DESCRIPTION

@@ -1,8 +1,8 @@
 Package: ROpenCVLite
 Type: Package
 Title: Helper Package for Installing OpenCV with R
-Version: 4.90.2
-Date: 2024-08-01
+Version: 4.110.0
+Date: 2025-05-01
 Authors@R: c(
     person("Simon", "Garnier", email = "garnier@njit.edu", role = c("aut", "cre"),
       comment = c(ORCID = "0000-0002-3886-3974")),

NEWS.md

@@ -1,3 +1,15 @@
+# ROpenCVLite 4.110.0
+
+## New features
+
+* Upgrades package to OpenCV 4.11.0.
+
+## Minor improvements and fixes
+
+* Fixes issue with CMake 4.
+
+---
+
 # ROpenCVLite 4.90.2
 
 ## New features

R/install.R

@@ -9,7 +9,7 @@
 #'
 #' @examples
 #' \dontrun{
-#'  defaultOpenCVPath()
+#' defaultOpenCVPath()
 #' }
 #'
 #' @export
@@ -23,15 +23,16 @@ defaultOpenCVPath <- function() {
   config <- list()
 
   config$arch <- unname(Sys.info()["machine"])
-  if (!grepl("64", config$arch))
+  if (!grepl("64", config$arch)) {
     stop("Unsupported CPU architecture.")
+  }
 
   config$os_type <- .Platform$OS.type
 
   if (config$os_type == "windows") {
     config$install_path <- utils::shortPathName(install_path)
     config$pkg_path <- utils::shortPathName(find.package("ROpenCVLite"))
-    config$os <- gsub("\r", "", gsub("Caption=", "", system('wmic os get Caption,CSDVersion /value', intern = TRUE)[3]))
+    config$os <- gsub("\r", "", gsub("Caption=", "", system("wmic os get Caption,CSDVersion /value", intern = TRUE)[3]))
     config$core <- paste0("https://github.com/opencv/opencv/archive/", version, ".tar.gz")
     config$contrib <- paste0("https://github.com/opencv/opencv_contrib/archive/", version, ".tar.gz")
     rtools <- .findRtools()
@@ -94,34 +95,36 @@ defaultOpenCVPath <- function() {
   paste0(
     '"', config$cmake_path, '"',
     ' -G "Unix Makefiles"',
-    ' -Wno-dev',
+    " -Wno-dev",
     ' -DCMAKE_C_COMPILER="', config$gcc_path, '"',
     ' -DCMAKE_CXX_COMPILER="', config$gpp_path, '"',
     switch(config$os_type,
-           windows = paste0(' -DCMAKE_RC_COMPILER="', config$windres_path, '"',
-                            ' -DOpenCV_ARCH=x64',
-                            ' -DOpenCV_RUNTIME=mingw',
-                            ' -DBUILD_SHARED_LIBS=ON',
-                            ' -DCPU_DISPATCH=SSE4_1,SSE4_2,FP16,AV')
+      windows = paste0(
+        ' -DCMAKE_RC_COMPILER="', config$windres_path, '"',
+        " -DOpenCV_ARCH=x64",
+        " -DOpenCV_RUNTIME=mingw",
+        " -DBUILD_SHARED_LIBS=ON",
+        " -DCPU_DISPATCH=SSE4_1,SSE4_2,FP16,AV"
+      )
     ),
     ' -DCMAKE_MAKE_PROGRAM="', config$make_path, '"',
-    ' -DCMAKE_CXX_STANDARD=11',
-    ' -DENABLE_PRECOMPILED_HEADERS=OFF',
-    ' -DOPENCV_EXTRA_MODULES_PATH=', config$contrib_dir,
-    ' -DBUILD_LIST=calib3d,core,dnn,features2d,flann,gapi,highgui,imgcodecs,imgproc,ml,objdetect,photo,stitching,video,videoio,ximgproc,wechat_qrcode',
-    ' -DOPENCV_GENERATE_PKGCONFIG=ON',
-    ' -DWITH_OPENMP=ON',
-    ' -DWITH_TBB=ON',
-    ' -DWITH_EIGEN=ON',
-    ' -DWITH_LAPACK=ON',
-    ' -DBUILD_opencv_world=OFF',
-    ' -DBUILD_opencv_contrib_world=OFF',
-    ' -DBUILD_PERF_TESTS=OFF',
-    ' -DBUILD_TESTS=OFF',
+    " -DCMAKE_CXX_STANDARD=11",
+    " -DENABLE_PRECOMPILED_HEADERS=OFF",
+    " -DOPENCV_EXTRA_MODULES_PATH=", config$contrib_dir,
+    " -DBUILD_LIST=calib3d,core,dnn,features2d,flann,gapi,highgui,imgcodecs,imgproc,ml,objdetect,photo,stitching,video,videoio,ximgproc,wechat_qrcode",
+    " -DOPENCV_GENERATE_PKGCONFIG=ON",
+    " -DWITH_OPENMP=ON",
+    " -DWITH_TBB=ON",
+    " -DWITH_EIGEN=ON",
+    " -DWITH_LAPACK=ON",
+    " -DBUILD_opencv_world=OFF",
+    " -DBUILD_opencv_contrib_world=OFF",
+    " -DBUILD_PERF_TESTS=OFF",
+    " -DBUILD_TESTS=OFF",
     ' -DCMAKE_C_FLAGS_RELEASE="-fstack-protector-strong"',
     ' -DCMAKE_CXX_FLAGS_RELEASE="-fstack-protector-strong"',
-    ' -DINSTALL_CREATE_DISTRIB=ON',
-    ' -DCMAKE_BUILD_TYPE=RELEASE',
+    " -DINSTALL_CREATE_DISTRIB=ON",
+    " -DCMAKE_BUILD_TYPE=RELEASE",
     ' -DCMAKE_INSTALL_PREFIX="', config$install_path, '"',
     ' -B"', config$build_dir, '"',
     ' -H"', config$source_dir, '"'
@@ -149,15 +152,13 @@ defaultOpenCVPath <- function() {
 #'
 #' @examples
 #' \dontrun{
-#'  installOpenCV()
+#' installOpenCV()
 #' }
 #'
 #' @export
 installOpenCV <- function(install_path = defaultOpenCVPath(), batch = FALSE) {
   install <- 0
-  pkg_version <- paste0(
-    strsplit(as.character(utils::packageVersion("ROpenCVLite")), "")[[1]][c(1, 3, 4)],
-    collapse = ".")
+  pkg_version <- "4.11.0"
 
   if (interactive()) {
     if (isOpenCVInstalled()) {
@@ -166,16 +167,19 @@ installOpenCV <- function(install_path = defaultOpenCVPath(), batch = FALSE) {
       if (pkg_version == cv_version) {
         install <- utils::menu(
           c("yes", "no"),
-          title = "OpenCV is already installed on this system. Would you like to reinstall it now? This will take several minutes.")
+          title = "OpenCV is already installed on this system. Would you like to reinstall it now? This will take several minutes."
+        )
       } else {
         install <- utils::menu(
           c("yes", "no"),
-          title = "A new version of OpenCV is available. Would you like to install it now? This will take several minutes.")
+          title = "A new version of OpenCV is available. Would you like to install it now? This will take several minutes."
+        )
       }
     } else {
       install <- utils::menu(
         c("yes", "no"),
-        title = "OpenCV is not installed on this system. Would you like to install it now? This will take several minutes.")
+        title = "OpenCV is not installed on this system. Would you like to install it now? This will take several minutes."
+      )
     }
   } else {
     if (batch) {
@@ -186,8 +190,9 @@ installOpenCV <- function(install_path = defaultOpenCVPath(), batch = FALSE) {
     }
   }
 
-  if (!isCmakeInstalled())
+  if (!isCmakeInstalled()) {
     install <- 0
+  }
 
   if (install == 1) {
     config <- .configure(normalizePath(install_path, mustWork = FALSE), pkg_version)
@@ -225,15 +230,26 @@ installOpenCV <- function(install_path = defaultOpenCVPath(), batch = FALSE) {
       insert <- c(
         '# 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)',
+        "  set(CMAKE_INSTALL_NAME_DIR ${CMAKE_INSTALL_PREFIX}/lib)",
         '#  message ("setting CMAKE_INSTALL_NAME_DIR: ${CMAKE_INSTALL_NAME_DIR}")',
-        'endif()',
-        ''
+        "endif()",
+        ""
+      )
+      writeLines(
+        c(tmp[1:ix], insert, tmp[(ix + 1):length(tmp)]),
+        paste0(config$source_dir, "cmake/OpenCVModule.cmake")
       )
-      writeLines(c(tmp[1:ix], insert, tmp[(ix + 1):length(tmp)]),
-                 paste0(config$source_dir, "cmake/OpenCVModule.cmake"))
     }
 
+    # To be removed once the CMake 4 issue is resolved in the next OpenCV release
+    tmp <- readLines(paste0(config$source_dir, "cmake/OpenCVGenPkgconfig.cmake"))
+    ix <- which(grepl("cmake_minimum_required", tmp))
+    insert <- "cmake_minimum_required(VERSION 3.5)"
+    writeLines(
+      c(tmp[1:(ix - 1)], insert, tmp[(ix + 1):length(tmp)]),
+      paste0(config$source_dir, "cmake/OpenCVGenPkgconfig.cmake")
+    )
+
     dir.create(config$build_dir, showWarnings = FALSE)
     system(.cmake(config))
     system(paste0(config$make_path, " -j", parallel::detectCores(), " -C ", config$build_dir))
@@ -257,15 +273,16 @@ installOpenCV <- function(install_path = defaultOpenCVPath(), batch = FALSE) {
 #'
 #' @examples
 #' \dontrun{
-#'  installOpenCV()
+#' installOpenCV()
 #' }
 #'
 #' @export
 removeOpenCV <- function() {
   if (isOpenCVInstalled()) {
     uninstall <- utils::menu(
       c("yes", "no"),
-      title = "Would you like to completely remove OpenCV from your R installation? You can reinstall it at any time by using the installOpenCV() function.")
+      title = "Would you like to completely remove OpenCV from your R installation? You can reinstall it at any time by using the installOpenCV() function."
+    )
     print(uninstall)
 
     if (uninstall == 1) {

cran-comments.md

@@ -1,18 +1,13 @@
 ## Test environments
 
-* local M1 OS X 14.5, R 4.0.5, 4.1.3, 4.2.3, 4.3.2, 4.4.1, R devel
-* local Windows 10, R 4.0.5, 4.1.3, 4.2.3, 4.3.2, 4.4.1, R devel
-* local Windows 11, R 4.0.5, 4.1.3, 4.2.3, 4.3.2, 4.4.1, R devel
-* local Ubuntu 24.04, R 4.0.5, 4.1.3, 4.2.3, 4.3.2, 4.4.1, R devel
+* local M4 OS X 14.5, R 4.1.3, 4.2.3, 4.3.2, 4.4.3, 4.5, R devel
+* local Windows 11, R R 4.1.3, 4.2.3, 4.3.2, 4.4.3, 4.5, R devel
+* local Ubuntu 24.04, R 4.1.3, 4.2.3, 4.3.2, 4.4.3, 4.5, R devel
 * Github Actions "windows-latest (release)"
 * Github Actions "macOS-latest (release)"
 * Github Actions "ubuntu-latest (release)"
 * Github Actions "ubuntu-latest (devel)"
 * Github Actions "ubuntu-latest (oldrel-1)"
-* r-hub ubuntu-latest on GitHub
-* r-hub macos-13 on GitHub
-* r-hub macos-latest on GitHub
-* r-hub windows-latest on GitHub
 * win-builder.r-project.org
 
 ## R CMD check results