linux-kernel - Re: [PATCH v4 3/3] objtool: Alter how HOSTCC is forced

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Date: Sun, 21 Apr 2024 00:43:26 +0200
From: Tan Nayir <tannayir@...il.com>
To: irogers@...gle.com
Cc: acme@...nel.org, andrii@...nel.org, eranian@...gle.com, jolsa@...nel.org,
 jpoimboe@...nel.org, linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
 masahiroy@...nel.org, namhyung@...nel.org, nathan@...nel.org,
 ndesaulniers@...gle.com, nicolas@...sle.eu, peterz@...radead.org,
 trix@...hat.com
Subject: Re: [PATCH v4 3/3] objtool: Alter how HOSTCC is forced

Could this patch be backported to LTS branches? Entire build fails if 
KBUILD_HOSTCFLAGS has flags that would make the libsubcmd incompatible 
with the built objtool, since those flags were not passed to libsubcmd 
before this patch.

One example is that the AOSP GKI builds fail since they set a custom 
sysroot using that variable. For the Google devs, issue b/335829879 is 
relevant.