linux-kernel - Re: [PATCH v5 00/19] Support dynamic opening of capstone/llvm remove BUILD

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Message-ID: <aKpP8yn7hoyQJe9h@tassilo>
Date: Sat, 23 Aug 2025 16:34:11 -0700
From: Andi Kleen <ak@...ux.intel.com>
To: Ian Rogers <irogers@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	Aditya Gupta <adityag@...ux.ibm.com>,
	"Steinar H. Gunderson" <sesse@...gle.com>,
	Charlie Jenkins <charlie@...osinc.com>,
	Changbin Du <changbin.du@...wei.com>,
	"Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
	James Clark <james.clark@...aro.org>,
	Kajol Jain <kjain@...ux.ibm.com>,
	Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
	Li Huafei <lihuafei1@...wei.com>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Chaitanya S Prakash <chaitanyas.prakash@....com>,
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
	llvm@...ts.linux.dev, Song Liu <song@...nel.org>,
	bpf@...r.kernel.org
Subject: Re: [PATCH v5 00/19] Support dynamic opening of capstone/llvm remove
 BUILD_NONDISTRO

> BUILD_NONDISTRO is used to build perf against the license incompatible
> libbfd and libiberty libraries. As this has been opt-in for nearly 2
> years, commit dd317df07207 ("perf build: Make binutil libraries opt
> in"), remove the code to simplify the code base.

The last time I tried the LLVM stuff was totally broken, couldn't
resolve many things. The only workaround was to go back to the actually
working libbfd. Please don't remove the only working option.

Thanks,

-Andi