Re: [PATCH 5.10 11/21] arm64: vdso32: suppress error message for make mrproper

Nick Desaulniers
2021-11-19T22:30:29Z

On Fri, Nov 19, 2021 at 2:24 PM Nick Desaulniers
<ndesaulniers@google.com> wrote:
>
> On Fri, Nov 19, 2021 at 1:47 PM Pavel Machek <pavel@denx.de> wrote:
> >
> > Hi!
> >
> > > commit 14831fad73f5ac30ac61760487d95a538e6ab3cb upstream.
> > >
> > > When running the following command without arm-linux-gnueabi-gcc in
> > > one's $PATH, the following warning is observed:
> > >
> > > $ ARCH=arm64 CROSS_COMPILE_COMPAT=arm-linux-gnueabi- make -j72 LLVM=1 mrproper
> > > make[1]: arm-linux-gnueabi-gcc: No such file or directory
> > >
> > > This is because KCONFIG is not run for mrproper, so CONFIG_CC_IS_CLANG
> > > is not set, and we end up eagerly evaluating various variables that try
> > > to invoke CC_COMPAT.
> >
> > Upstream commit is fine, but 5.10 port misses the 2> part of the
> > change.
>
> You're right; thanks for the report. Greg, can you drop this version
> of the backport for 5.10 and 5.4? I'll resubmit an updated version.

V2 sent:
https://lore.kernel.org/stable/CAKwvOdkZ1ydLs2VwvVLtT7QK+e1gNB0ZE5RqTxMY15QQvhxZ1w@mail.gmail.com/

>
> >
> > > +++ b/arch/arm64/kernel/vdso32/Makefile
> > > @@ -48,7 +48,8 @@ cc32-as-instr = $(call try-run,\
> > > # As a result we set our own flags here.
> > >
> > > # KBUILD_CPPFLAGS and NOSTDINC_FLAGS from top-level Makefile
> > > -VDSO_CPPFLAGS := -D__KERNEL__ -nostdinc -isystem $(shell $(CC_COMPAT) -print-file-name=include)
> > > +VDSO_CPPFLAGS := -D__KERNEL__ -nostdinc
> > > +VDSO_CPPFLAGS += -isystem $(shell $(CC_COMPAT) -print-file-name=include)
> > > VDSO_CPPFLAGS += $(LINUXINCLUDE)
> > >
> > > # Common C and assembly flags
> > >
> >
> > Best regards,
> > Pavel
> > --
> > DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
> > HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
>
>
>
> --
> Thanks,
> ~Nick Desaulniers

--
Thanks,
~Nick Desaulniers