linux-kernel - Commit 0d989ac2c90b broke my x86-64 build.

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Date:   Sun, 24 Oct 2021 01:36:40 -0500
From:   Rob Landley <rob@...dley.net>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Masahiro Yamada <masahiroy@...nel.org>
Subject: Commit 0d989ac2c90b broke my x86-64 build.

The attached config built fine before the above commit, doesn't build after. The
commit in question did nothing except remove support for building x86-64 without
libelf.

It took me a while to notice because the commit ONLY broke x86-64. I can still
build arm (32 and 64 bit), i686, m68k, mips/mipsel, powerpc, s390x, and sh4
without libelf in my cross compiler. Heck, I can still build i686. The change
seems to have added a unique build dependency to just x86-64.

Rob

P.S. Why do you need a special library to parse elf anyway? It's a fairly simple
file format, linux has include/linux.elf.h, the toolchain already has an objtool
prefixed for the appropriate cross compiler...

View attachment "linux-fullconfig" of type "text/plain" (56033 bytes)