In my experince, allocate a few hours to compile a kernel. It depends largely on the hardware you're running it on, of course, and the danger when talking about i686 binaries you're using a seriously old computer, but it would have to be really pretty ancient to take a whole day.
I have built glibc-2.29-4-i686.pkg.tar.xz with your combinatino of packages now (all testing, except gcc,gcc-libs,binutils from staging and the old glibc) - no warnings when compiling test program.
I have an ancient BookPC i810 (P3 Celeron 1GHz, Intel i810 chipset) which I intend to give away. To check whether it is actually still working, I installed Arch32 and eventually succeeded, but I …
05.01.2019 · FWIW, I'm using a VGA compatible controller "Intel Corporation Mobile 945GSE Express Integrated Graphics Controller (rev 03)" in my Archlinux32 computer (according to lspci, but I have no reason to disbelieve it).