=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for apngasm-3.1.10.tar.gz
=> Checksum SHA512 OK for apngasm-3.1.10.tar.gz
===> Installing dependencies for apngasm-3.1.10nb1
=> Tool dependency mktools-[0-9]*: found mktools-20220614
=> Tool dependency cmake>=3.18: found cmake-3.28.4
=> Tool dependency distcc-[0-9]*: found distcc-3.4
=> Tool dependency cwrappers>=20150314: found cwrappers-20220403
=> Build dependency boost-headers-1.84.*: found boost-headers-1.84.0
=> Build dependency gcc10>=10.3.0nb2: NOT found
=> Verifying /nonexistent for ../../lang/gcc10
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/lang/gcc10
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/graphics/apngasm