Re: [PATCH v2 01/39] kbuild: Fix clang build

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On 2022-03-01, Kees Cook wrote:
On Tue, Mar 01, 2022 at 01:16:04PM -0800, Nick Desaulniers wrote:
Also, Kees mentions this is an issue for testing multiple different
versions of gcc, too.  There perhaps is a way to simplify the builds
for BOTH toolchains; i.e. a yet-to-be-created shared variable denoting
the suffix for binaries?  The primary pain point seems to be Debian's
suffixing scheme; it will suffix GCC, clang, and lld, but not GNU
binutils IIUC.

Right. Though I think auto-detection still makes sense.

If I do:

	make CC=clang-12 LLVM=1

it'd be nice if it also used ld.lld-12.

This transformation may be a bit magical.

On Debian, /usr/bin/clang-13 is a symlink to /usr/lib/llvm-13/bin/clang .
Will it be fine for the user to provide correct feasible PATH?

[...]
Just curious, what prefixes have you observed in the wild?

For me, where ever I built clang, and "/usr/bin"

--
Kees Cook




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