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SubjectRe: [PATCH v2] Makefile.llvm: simplify LLVM build
On Fri, Apr 3, 2020 at 1:40 AM Fangrui Song <maskray@google.com> wrote:
>
>
> On 2020-04-01, 'Nick Desaulniers' via Clang Built Linux wrote:
> >On Tue, Mar 31, 2020 at 11:11 PM Masahiro Yamada <masahiroy@kernel.org> wrote:
> >>
> >> On Wed, Apr 1, 2020 at 3:39 AM Nick Desaulniers <ndesaulniers@google.com> wrote:
> >> >
> >> > On Mon, Mar 30, 2020 at 11:25 PM Masahiro Yamada <masahiroy@kernel.org> wrote:
> >> > >
> >> > > Having both LLVM_DIR and LLVM_SUFFIX seems verbose.
> >> >
> >> > I agree, so maybe just LLVM=y, and we can support both non-standard
> >> > locations and debian suffixes via modifications to PATH.
> >>
> >>
> >>
> >> OK, so we will start with the boolean switch 'LLVM'.
> >>
> >> People can use PATH to cope with directory path and suffixes.
> >
> >Sounds good, we will modify our CI to use PATH modifications rather
> >than suffixes. We can even do that before such a patch to Makefile
> >exists.
>
> The proposed LLVM=1 + PATH scheme looks good to me.
>
>
> There seems to be one issue.
> OBJSIZE=llvm-objsize added in
> commit fcf1b6a35c16ac500fa908a4022238e5d666eabf "Documentation/llvm: add documentation on building w/ Clang/LLVM"
> is wrong.
>
> The tool is named llvm-size. OBJSIZE is only used once:
>
> arch/s390/scripts/Makefile.chkbss
> 14: if ! $(OBJSIZE) --common $< | $(AWK) 'END { if ($$3) exit 1 }'; then \


Good catch.

Could you send a patch, please?




--
Best Regards
Masahiro Yamada

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