It took 11 hours! My most recent kernel, also 3.2, but now on a Pentium Dual Core T2370 with 2 GB dual-channel DDR2 and a SATA-3 SSD and all the unneeded modules turned off took 1 hour 48 minutes. It can vary a lot.

How long does it take to compile Gentoo?

Most of those who install Gentoo do not need more than 24 hours to install it, the average to install it is 2 to 6 hours. Some require more than 10 hours, there are also those who require 2 to 7 days. It really is a myth that it takes months to set it up, I give them one day at most, and I’m taking a chance.

How long does it take to compile Firefox Gentoo?

Thu Dec 13 21:54:30 2018 >>> www-client/firefox-64.0 merge time: 25 minutes and 52 seconds.