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

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On Fri, Nov 19, 2021 at 1:47 PM Pavel Machek <pavel@xxxxxxx> 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.

>
> > +++ 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



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