/usr/bin/ld: ~/mruby/build/host/lib/libmruby.a(file.o): in function `mrb_file__gethome':
~/mruby-3.0.0/mrbgems/mruby-io/src/file.c:362: warning: Using 'getpwnam' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking

linux fedora