On Thursday, March 10, 2022, Andrea paz <gamberucci.andrea@gmail.com> wrote:
> is there possibility of hw (ssd, memory/cpu, motherbiard...) error/breakage?
> does any other big compile finish without errors?
I really hope it's not hardware: I don't notice any other problems!
The only compilations I do are the AUR ones and so far I don't find
any problems there (I tried the big DaVinci Resolve installation).

well, Arch is not Gentoo, so installing binary pkg most likely just unpack it.... 

try to run pkgbuild for something like firefox or libreoffice... 

https://wiki.archlinux.org/title/PKGBUILD
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Packages in Arch Linux are built using the makepkg utility. When makepkg is run, it searches for a PKGBUILD file in the current directory and follows the instructions therein to either compile or otherwise acquire the files to build a package archive (pkgname.pkg.tar.zst). The resulting package contains binary files and installation instructions, readily installable with pacman.

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so, just download pkgbuild for big source package, put it in dir, run makepkg inside this dir, wait for compilation/packaging to finish... also, just in case check for free space on /tmp!