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

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Message-ID: <87ldnacz33.fsf@gentoo.org>
Date: Sat, 23 Aug 2025 07:49:04 +0100
From: Sam James <sam@...too.org>
To: irogers@...gle.com, amadio@...too.org
Cc: acme@...nel.org,adityag@...ux.ibm.com,adrian.hunter@...el.com,ak@...ux.intel.com,alexander.shishkin@...ux.intel.com,atrajeev@...ux.vnet.ibm.com,bpf@...r.kernel.org,chaitanyas.prakash@....com,changbin.du@...wei.com,charlie@...osinc.com,dvyukov@...gle.com,james.clark@...aro.org,jolsa@...nel.org,justinstitt@...gle.com,kan.liang@...ux.intel.com,kjain@...ux.ibm.com,lihuafei1@...wei.com,linux-kernel@...r.kernel.org,linux-perf-users@...r.kernel.org,llvm@...ts.linux.dev,mark.rutland@....com,mhiramat@...nel.org,mingo@...hat.com,morbo@...gle.com,namhyung@...nel.org,nathan@...nel.org,nick.desaulniers+lkml@...il.com,peterz@...radead.org,sesse@...gle.com,song@...nel.org
Subject: Re: [PATCH v5 00/19] Support dynamic opening of capstone/llvm
 remove BUILD_NONDISTRO

> 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.

I don't think this is a reason to remove it by itself. We've been
enabling it in Gentoo and happily using it.

Anyway, my main concern (though I have a few) is that annotate support
will be lacking. A few months ago, objdump was the only way to get
source line support [0]. Is that still the case?

[0] https://lore.kernel.org/all/Z_S_JB_L_t9viciV@google.com/