@vilmantasr If you want useful answers and improvement of tutorial, you must provide precise and documented information about all your problems.
In following answers I try to guess what are your issues.
First, at beginning of tutorial, it is said :“Then run the following commands using either MinGW-w64 Win32 Shell or MinGW-w64 Win64 Shell depending on whether you want to build a 32-bit or a 64-bit version.” .
For parctical use create a shortcut to “Msys-install-dir/mingwxx_shell.bat” xx=32 or 64. It automatically opens the mingw shell window.
All installation and build commands must be done inside the mingw shell window.
second : suppress all previous mingw, msys, git, hg, cmake installations and related windows environment variables.
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libiptcdata : I suppose you had problems with nano editor. don’t close mingw shell window. Outside of mingw shell window use your favorite editor to make the modifications required. Then resume in mingw shell window.
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config.sub and config.guess ???
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Cmake error :Are all previous steps successfull? where are you entering this command !?
.[quote=“Morgan_Hardwood said, post:2, topic:722”]
If you still run into issues, provide a complete log of what you did and what the error is.
[/quote]