=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Building for mysql-client-8.0.31nb1
[  0%] Generating Docs/INFO_SRC
[  0%] Built target INFO_SRC
[  1%] Generating Docs/INFO_BIN
[  1%] Built target INFO_BIN
[  2%] Building CXX object mysys/CMakeFiles/mytime_objlib.dir/my_time.cc.o
In file included from /usr/pkgsrc/databases/mysql80-client/work/mysql-8.0.31/include/my_byteorder.h:61:0,
                 from /usr/pkgsrc/databases/mysql80-client/work/mysql-8.0.31/mysys/my_time.cc:57:
/usr/pkgsrc/databases/mysql80-client/work/mysql-8.0.31/include/template_utils.h:31:20: fatal error: optional: No such file or directory
compilation terminated.
gmake[2]: *** [mysys/CMakeFiles/mytime_objlib.dir/build.make:76: mysys/CMakeFiles/mytime_objlib.dir/my_time.cc.o] Error 1
gmake[1]: *** [CMakeFiles/Makefile2:1215: mysys/CMakeFiles/mytime_objlib.dir/all] Error 2
gmake: *** [Makefile:156: all] Error 2
*** Error code 2

Stop.
make[1]: stopped in /usr/pkgsrc/databases/mysql80-client
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/databases/mysql80-client