I installed ffmpeg from sources with help this page. https://trac.ffmpeg.org/wiki/CentosCompilationGuide
I noticed that most of this tutorial calls
make distclean after
But only libvpx calls
make clean after installing.
According this document,
make clean deletes all files that
make created, and
make distclean deltes all files that
Erase from the build tree the files built by make all.
Additionally erase anything ./configure created.
I understand that
make distclean is called for for next installation,
but I could not understand why
make clean is called after installation.
The installed ffmpeg works without problem. So I asked this question because I only want to improve my knowledge about linux. It would be very helpful that someone give me a explanation for it.