Gcc compiler from yay

Few days ago, I updated as usual and there was available a yay update for the gcc compiler.
It takes very long time (more than two hours). While compiling, multiple “failed” came out but while it was still compiling, I had the necessity to plug-out the monitor to plug it to another device; than I switched to my pc again. After this, terminal was still opened (there was a little dot near the icon on the dock) but no windows of it was on screen. I kept on it for along but then I turned off the pc.
Now, I would know if there’s a way to check if the compiler has been installed in the correct way (I don’t think so) or if I have to reinstall it.
Any suggestion?
Thanks in advance

Just install the base-devel package via pacman or yay. It the easiest way, as that package already contains gcc, which can also be installed selectively with pacman, and doesnt need to be built.

https://wiki.archlinux.org/title/GNU#Toolchain

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