Working with Msys2 x64. For command
# pacman -S $MINGW_PACKAGE_PREFIX-{ffmpeg,libjpeg-turbo,lua51,64-angleproject-git}
Receive message as below:
warning: mingw-w64-x86_64-ffmpeg-4.2.2-4 is up to date -- reinstalling
warning: mingw-w64-x86_64-libjpeg-turbo-2.0.4-1 is up to date -- reinstalling
error: target not found: mingw-w64-x86_64-64-angleproject-git
What may be cause of problem finding angleproject package?
The package was dropped in 55de8032 in June of 2019, probably because it was an unreasonable maintenance burden.
You're free to build it yourself. The recipe was moved to mingw-packages-dev. You can also check out the mingw-w64-angleproject-git recipe for Arch Linux on AUR and in the repository of the author.