[Bug 270610] makeworld fails on riscv64

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 02 Apr 2023 21:22:24 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270610

            Bug ID: 270610
           Summary: makeworld fails on riscv64
           Product: Base System
           Version: 13.2-RELEASE
          Hardware: riscv
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: riscv
          Assignee: riscv@FreeBSD.org
          Reporter: fuz@FreeBSD.org
                CC: re@FreeBSD.org
             Flags: mfc-stable13?

Building 13.2-RC6 on a 13.1-RELEASE riscv64 system fails with an exec format
error during the build tools stage:

--- llvm/Frontend/OpenMP/OMP.inc ---
sh: llvm-tblgen: Exec format error
ELF binary type "0" not known.

The issue can be worked around by branding the llvm-tblgen binary manually:

# brandelf -t FreeBSD
/usr/obj/usr/src/riscv.riscv64/tmp/obj-tools/usr.bin/clang/llvm-tblgen/llvm-tblgen
# brandelf -t FreeBSD /usr/obj/usr/src/riscv.riscv64/tmp/legacy/bin/llvm-tblgen

I have not tested building any other FreeBSD versions.

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