Merge remote-tracking branch 'upstream/3.4' into merge-3.4
-rw-r--r-- 455 .editorconfig
-rw-r--r-- 2296 .gitattributes
drwxr-xr-x - .github
-rw-r--r-- 230 .gitignore
drwxr-xr-x - 3rdparty
-rw-r--r-- 68060 CMakeLists.txt
-rw-r--r-- 191 CONTRIBUTING.md
-rw-r--r-- 665 COPYRIGHT
-rw-r--r-- 11358 LICENSE
-rw-r--r-- 847 README.md
-rw-r--r-- 3820 SECURITY.md
drwxr-xr-x - apps
drwxr-xr-x - cmake
drwxr-xr-x - data
drwxr-xr-x - doc
drwxr-xr-x - include
drwxr-xr-x - modules
drwxr-xr-x - platforms
drwxr-xr-x - samples