Build times in minutes of hledger's dependencies, running cabal and ghc 8.4.4 with a single Cortex-A53 CPU and 4G RAM, emulated on some faster machine.
From xiroux on #hledger:
sm: If you wanna take a look at the times, I just listed the files in .cabal-sandbox/lib/ with their last modification time and computed how much time passed between one file and another. The data is here: https://hastebin.com/egexogarek