* [vcpkg_check_features] Set OUT_EXPAND_OPTIONS explicitly

* [vcpkg_check_features] Allow reverse logic for features

* [vcpkg_check_features] Document new parameters

* [vcpkg_check_features] Remove unnecessary logging

* Do not create variables for each feature only set OUT_FEATURE_OPTIONS

* Improve documentation

* Update ports that use vcpkg_check_features()

* Missing documentation updates

* [pcl] Fix tools feature

* [opencv,opencv4] Fix usage of vcpkg_check_features()

* [opencv4] Fix typo

* [OpenCV] update to v4

* [OpenCV] update to v4.1

* [OpenCV] merge #6901 and #6812

* [OpenCV] port patches to v4.1

* [OpenCV] fix naming

* [OpenCV] fix regression with static linkage

* [OpenCV] fix linking to optional feature dependencies in static mode

* fix ffmpeg on some architectures

* trigger rebuild of regressions on macOS

* [zxing-cpp] fix opencv 4.1 compat

* [ogre] improve patching for static builds

* [OpenCV] fixes for extra features

* [OpenCV] drastically reduce patchset

* [OpenCV] fix regression on linux

* [OpenCV] fix regression on Windows

* [qt5] depends on qt5-activeqt only on windows

* update to v4.1.1

* [OpenCV] additional fixes for 4.1.1

* [OpenCV] fix Eigen3 feature integration

* [opencv] Fix compilation in UWP

* [opencv] Fix merge conflicts

* [ffmpeg] fix cmake module for osx

* [OpenCV] add pre-caching of optflow cuda package

* [gdcm] properly fix #6863 instead of wrong #6901

* [OpenCV] fix OpenMP feature

* [opencv] Add missing GetModuleHandle() call guard for UWP

* [freeimage] Do not depend on libwebp[all] on UWP

* [opencv] Set app container bit for UWP

* [zxing-cpp] Fail with explicit message in UWP

* [pthreads4w] fix target creation, missing dlls

* [pthreads4w] bump CONTROL

* [opencv,zxing-cpp] Fix OpenCV Video IO module

* [zxing-cpp] Revert unnecessary changes

* [opencv] Feature halide

* Fix regression in UWP

* [ffmpeg] remove unnecessary patch pointing to old OpenCV version

* [opencv] remove versioning from windows dll filenames

* [opencv] Move port to opencv4

* [opencv,opencv4] Make meta-package install OpenCV 4.1

* [opencv3] Rename old port opencv->opencv3

* Add failure messages when another OpenCV is already installed

* Add feature halide to OpenCV.

* Add dependency of opencv[halide] to opencv[dnn].

* [opencv] Fixed OpenCV versioning using wrong commit

As there is no OpenCV repository, the hash is wrongly determined

Closes #6708

* [opencv] cmake disable find package git

* [vcpkg] Add "Homepage" field to the CONTROL files.

* [LibLZMA] add a config-generated by CMake

* bump control files of LibLZMA and dependent ports

* [tiff] use proper liblzma target
[OpenCV] add an explicit dependency on LibLZMA for static linking

* [liblzma] fix header install path

* [LibLZMA] avoid using targets in old symbols

* fixes for windows-static and trying to see if CI is happier with a share/lib folder written in lowercase

* [LibLZMA] use only modern CMake language, remove patch in favour of target public definition

* [lzma] put symbols in cmake cache

* [libxmlpp] remove CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS regression

* [lzma] fix header install path

* [liblzma] install wrapper to force config mode

* [liblzma] remove function check inside cmake config since we know it will pass

* [liblzma] wrapper fix

* [tiff,geotiff] general cleanup and patch fixes

* [libgeotiff] remove debug tools

* [tesseract] modernize

* [tiff] fix also tiff_library symbol

* [pdal,libgeotiff] better library integration

* [tiff] restore using unix i/o on UWP, since it was working... for sure win32 one cannot work

* [tiff] enable lzma also on uwp, since it works and is requested by many dependencies

* [selene] enable build on arm/arm64-windows, which was surely broken before

* [lzma] uniform naming with cmake 3.14

* [podofo] fix regression, it requires openssl which was disabled in dependencies

* [many ports] remove unnecessary mods

* [boost-iostream] chmod

* [openssl] fix regression due to missing architecture

* [podofo] fix regression on uwp due to missing include

* [libpq] explicitly fail on UWP, it should avoid being marked as regression

* [shiva] fix regression on linux

* Enable to compile to a single opencv_world library file

* [gdcm]Update to v3.0.0 and rename to gdcm.

* [gdcm2]Add empty port "gdcm2" mapping to port gdcm