INFO: setup
Package:    sys-boot/makebootfat-1.4:0
Repository: gentoo
USE:        abi_x86_64 amd64 elibc_glibc kernel_linux
FEATURES:   preserve-libs sandbox userpriv usersandbox
INFO: install
Final size of build directory: 2928 KiB (2.8 MiB)
Final size of installed tree:   136 KiB
QA: other
QA Notice: Found the following implicit function declarations in configure logs:
  /var/tmp/portage/sys-boot/makebootfat-1.4/work/makebootfat-1.4/config.log:210 - exit
Check that no features were accidentally disabled.
See https://wiki.gentoo.org/wiki/Modern_C_porting.