=> Bootstrap dependency digest>=20211023: found digest-20220214
WARNING: [license.mk] Every package should define a LICENSE.
===> Building for es-0.9a1nb5
bmake: bmake: don't know how to make /usr/include/sys/signal.h. Stop

bmake: stopped in /Users/pbulk/build/shells/es/work/es-0.9-alpha1
*** Error code 2

Stop.
bmake[1]: stopped in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-x86_64/shells/es
*** Error code 1

Stop.
bmake: stopped in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-x86_64/shells/es