mediapipe_opencv.diff

diff --git a/third_party/BUILD b/third_party/BUILD
index 654f0cb..83e69ea 100644
--- a/third_party/BUILD
+++ b/third_party/BUILD
@@ -53,151 +53,12 @@ cc_library(
     }),
 )
 
-config_setting(
-    name = "opencv_source_build",
-    define_values = {
-        "OPENCV": "source",
-    },
-    visibility = ["//visibility:public"],
-)
-
 alias(
     name = "opencv",
-    actual = select({
-        ":opencv_source_build": ":opencv_cmake",
-        "//conditions:default": ":opencv_binary",
-    }),
+    actual = "@opencv//:opencv",
     visibility = ["//visibility:public"],
 )
 
-load("@rules_foreign_cc//tools/build_defs:cmake.bzl", "cmake_external")
-
-# Note: this determines the order in which the libraries are passed to the
-# linker, so if library A depends on library B, library B must come _after_.
-# Hence core is at the bottom.
-OPENCV_MODULES = [
-    "calib3d",
-    "features2d",
-    "highgui",
-    "video",
-    "videoio",
-    "imgcodecs",
-    "imgproc",
-    "core",
-]
-
-# Note: passing both BUILD_SHARED_LIBS=ON and BUILD_STATIC_LIBS=ON to cmake
-# still only builds the shared libraries, so we have to choose one or the
-# other. We build shared libraries by default, but this variable can be used
-# to switch to static libraries.
-OPENCV_SHARED_LIBS = True
-
-OPENCV_SO_VERSION = "3.4"
-
-cmake_external(
-    name = "opencv_cmake",
-    # Values to be passed as -Dkey=value on the CMake command line;
-    # here are serving to provide some CMake script configuration options
-    cache_entries = {
-        "CMAKE_BUILD_TYPE": "Release",
-        # The module list is always sorted alphabetically so that we do not
-        # cause a rebuild when changing the link order.
-        "BUILD_LIST": ",".join(sorted(OPENCV_MODULES)),
-        "BUILD_TESTS": "OFF",
-        "BUILD_PERF_TESTS": "OFF",
-        "BUILD_EXAMPLES": "OFF",
-        "BUILD_SHARED_LIBS": "ON" if OPENCV_SHARED_LIBS else "OFF",
-        "WITH_ITT": "OFF",
-        "WITH_JASPER": "OFF",
-        "WITH_JPEG": "ON",
-        "WITH_PNG": "ON",
-        "WITH_TIFF": "ON",
-        "WITH_WEBP": "OFF",
-        # Optimization flags
-        "CV_ENABLE_INTRINSICS": "ON",
-        "WITH_EIGEN": "ON",
-        "WITH_PTHREADS": "ON",
-        "WITH_PTHREADS_PF": "ON",
-        # When building tests, by default Bazel builds them in dynamic mode.
-        # See https://docs.bazel.build/versions/master/be/c-cpp.html#cc_binary.linkstatic
-        # For example, when building //mediapipe/calculators/video:opencv_video_encoder_calculator_test,
-        # the dependency //mediapipe/framework/formats:image_frame_opencv will
-        # be built as a shared library, which depends on a cv::Mat constructor,
-        # and expects it to be provided by the main exacutable. The main
-        # executable depends on libimage_frame_opencv.so and links in
-        # libopencv_core.a, which contains cv::Mat. However, if
-        # libopencv_core.a marks its symbols as hidden, then cv::Mat is in
-        # opencv_video_encoder_calculator_test but it is not exported, so
-        # libimage_frame_opencv.so fails to find it.
-        "OPENCV_SKIP_VISIBILITY_HIDDEN": "ON" if not OPENCV_SHARED_LIBS else "OFF",
-        # The COPY actions in modules/python/python_loader.cmake have issues with symlinks.
-        # In any case, we don't use this.
-        "OPENCV_SKIP_PYTHON_LOADER": "ON",
-        # Need to set this too, for the same reason.
-        "BUILD_opencv_python": "OFF",
-        # Ccache causes issues in some of our CI setups. It's not clear that
-        # ccache would be able to work across sandboxed Bazel builds, either.
-        # In any case, Bazel does its own caching of the rule's outputs.
-        "ENABLE_CCACHE": "OFF",
-    },
-    lib_source = "@opencv//:all",
-    linkopts = [] if OPENCV_SHARED_LIBS else [
-        # When using static libraries, the binary that eventually depends on the
-        # libraries also needs to link in their dependencies, which therefore
-        # have to be listed here.
-        # This list depends on which dependencies CMake finds when it configures
-        # the build, and so depends on what is installed on the local system.
-        # After building, the linkopts for the current setup can be extracted
-        # from lib/pkgconfig/opencv.pc in bazel-out
-        "-ljpeg",
-        "-lpng",
-        "-lz",
-        "-ltiff",
-        "-lImath",
-        "-lIlmImf",
-        "-lIex",
-        "-lHalf",
-        "-lIlmThread",
-        "-ldc1394",
-        "-lavcodec",
-        "-lavformat",
-        "-lavutil",
-        "-lswscale",
-        "-lavresample",
-        "-ldl",
-        "-lm",
-        "-lpthread",
-        "-lrt",
-    ],
-    shared_libraries = select({
-        "@bazel_tools//src/conditions:darwin": ["libopencv_%s.%s.dylib" % (module, OPENCV_SO_VERSION) for module in OPENCV_MODULES],
-        # Only the shared objects listed here will be linked in the directory
-        # that Bazel adds to the RUNPATH of dependent executables. You cannot
-        # list both the versioned and unversioned name of the .so, and the
-        # versioned name is the one that the executables actually reference.
-        "//conditions:default": ["libopencv_%s.so.%s" % (module, OPENCV_SO_VERSION) for module in OPENCV_MODULES],
-    }) if OPENCV_SHARED_LIBS else None,
-    static_libraries = [
-        "libopencv_%s.a" % module
-        for module in OPENCV_MODULES
-    ] if not OPENCV_SHARED_LIBS else None,
-)
-
-alias(
-    name = "opencv_binary",
-    actual = select({
-        "//mediapipe:android_x86": "@android_opencv//:libopencv_x86",
-        "//mediapipe:android_x86_64": "@android_opencv//:libopencv_x86_64",
-        "//mediapipe:android_armeabi": "@android_opencv//:libopencv_armeabi-v7a",
-        "//mediapipe:android_arm": "@android_opencv//:libopencv_armeabi-v7a",
-        "//mediapipe:android_arm64": "@android_opencv//:libopencv_arm64-v8a",
-        "//mediapipe:ios": "@ios_opencv//:opencv",
-        "//mediapipe:macos": "@macos_opencv//:opencv",
-        "//mediapipe:windows": "@windows_opencv//:opencv",
-        "//conditions:default": "@linux_opencv//:opencv",
-    }),
-)
-
 cc_library(
     name = "libffmpeg",
     visibility = ["//visibility:public"],