Unable to revert mtime: /Library/Fonts

Hi I use Lilypond’s Frescobaldi 3.1.2 on my MacBook Pro 10.15 Catalina. After downloading frescobaldi 3.1.2, I go to directory and run./frescobaldi, I got the following: Starting lilypond 2.20.0 [Untitled]... Unable to revert mtime: /Library/Fonts Processing `/var/folders/r_/gm2jl2qd15195g

Re: Test reader speed of Guile 3.0.6

Hi Thomas, Thomas Morley writes: > Am Mi., 10. März 2021 um 22:33 Uhr schrieb Federico Bruni > : >> >> On Wed, Mar 10 2021 at 10:18:53 PM +0100, Thomas Morley >> wrote: >> > /bin/bash: gperf: command not found >> >> you should install gperf package :-) > gperf installed, retrying... Do you a