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SubjectRe: [PATCH v2 0/4] objtool build improvements
On Fri, Dec 9, 2022 at 10:17 AM Nick Desaulniers
<ndesaulniers@google.com> wrote:
>
> On Mon, Nov 21, 2022 at 4:11 PM Ian Rogers <irogers@google.com> wrote:
> >
> > Install libsubcmd and then get headers from there, this avoids
> > inadvertent dependencies on things in tools/lib. Fix V=1
> > support. Clean up how HOSTCC is used to override CC to avoid CFLAGS
> > being set for say gcc, and then CC being overridden to clang. Support
> > HOSTCFLAGS as a make option.
>
> Ian, I'm terribly sorry about the delay in reviewing this; usually my
> turnaround time is much lower on code review...
>
> Anyways, the patchset LGTM; thanks for the work that went into this.
>
> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
> Tested-by: Nick Desaulniers <ndesaulniers@google.com>

Sorry, I just spotted a potential issue in patch 4/4. You may retain
my above tags for the first three patches if you send a v3.

>
> >
> > v2. Include required "tools lib subcmd: Add install target" that is
> > already in Arnaldo's tree:
> > https://lore.kernel.org/lkml/20221109184914.1357295-3-irogers@google.com/
> > https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git/commit/?h=perf/core&id=630ae80ea1dd253609cb50cff87f3248f901aca3
> > When building libsubcmd.a from objtool's Makefile, clear the
> > subdir to avoid it being appended onto OUTPUT and breaking the
> > build.
> >
> > Ian Rogers (4):
> > tools lib subcmd: Add install target
> > objtool: Install libsubcmd in build
> > objtool: Properly support make V=1
> > objtool: Alter how HOSTCC is forced
> >
> > tools/lib/subcmd/Makefile | 49 ++++++++++++++++++++++++++++
> > tools/objtool/Build | 2 --
> > tools/objtool/Makefile | 68 +++++++++++++++++++++++++++------------
> > 3 files changed, 97 insertions(+), 22 deletions(-)
> >
> > --
> > 2.38.1.584.g0f3c55d4c2-goog
> >
>
>
> --
> Thanks,
> ~Nick Desaulniers



--
Thanks,
~Nick Desaulniers

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