=> Creating binary package /Users/pbulk/build/fonts/tex-lm-math/work/.packages/tex-lm-math-1.959.tgz
=> Signing binary package /Users/pbulk/build/fonts/tex-lm-math/work/.packages/tex-lm-math-1.959.tgz (GPG)
can't create `/var/root/.gnupg/random_seed': Read-only file system