If I check out current into a pristine directory and try to build
evbarm from tip'o'tree, distribution is failing with the following
error:

dependall ===> lib/libmagic
cc1: warnings being treated as errors
/stuff/projects/netbsd/current/src/dist/file/src/print.c: In function
'file_mdump':
/stuff/projects/netbsd/current/src/dist/file/src/print.c:61: warning:
format '%zu' expects type 'size_t', but argument 3 has type
'__uint32_t'
*** [print.o] Error code 1
1 error

nbmake: stopped in /stuff/projects/netbsd/current/src/lib/libmagic