Automated report: NetBSD-current/riscv-riscv64 build failure

[NetBSD Test Fixture <bracket%NetBSD.org@localhost>]

This is an automatically generated notice of a NetBSD-current/riscv-
riscv64 build failure.

The failure occurred on babylon5.netbsd.org, a NetBSD/amd64 host,
using sources from CVS date 2025.10.05.21.18.29.

An extract from the build.sh output follows:

    install ===> share/examples/emul/linux
    --- install-bin ---
    --- /tmp/build/2025.10.05.21.18.29-riscv-riscv64/destdir/usr/share/man/html1/suspend.html ---
    --- install-share ---
    --- install-installboot ---
    riscv64--netbsd-install: bsd.README: stat: No such file or directory
    --- install-external ---
    --- install-broadcom ---
    --- /tmp/build/2025.10.05.21.18.29-riscv-riscv64/destdir/libdata/firmware/if_bwfm/brcmfmac43340-sdio.bin ---
    --- install-sbin ---
    --- install-ccdconfig ---

The following commits were made between the last successful build and
the first failed build:

    2025.10.05.20.58.09 thorpej src/share/installboot/evbarm/boards.plist 1.16
    2025.10.05.20.59.02 thorpej src/distrib/sets/lists/base/mi 1.1369
    2025.10.05.20.59.02 thorpej src/share/installboot/Makefile 1.3
    2025.10.05.20.59.02 thorpej src/share/installboot/riscv/boards.plist 1.1
    2025.10.05.21.18.29 thorpej src/usr.sbin/installboot/Makefile 1.61
    2025.10.05.21.18.29 thorpej src/usr.sbin/installboot/arch/riscv.c 1.1
    2025.10.05.21.18.29 thorpej src/usr.sbin/installboot/installboot.8 1.114
    2025.10.05.21.18.29 thorpej src/usr.sbin/installboot/installboot.h 1.47
    2025.10.05.21.18.29 thorpej src/usr.sbin/installboot/machines.c 1.45

Logs can be found at:

    https://releng.NetBSD.org/b5reports/riscv-riscv64/commits-2025.10.html#2025.10.05.21.18.29