[PATCH] powerpc: remove meaningless KBUILD_ARFLAGS addition
yamada.masahiro at socionext.com
Sun Jul 14 08:45:15 AEST 2019
On Sat, Jul 13, 2019 at 10:17 PM Segher Boessenkool
<segher at kernel.crashing.org> wrote:
> On Sat, Jul 13, 2019 at 07:47:44AM -0500, Segher Boessenkool wrote:
> > On Sat, Jul 13, 2019 at 12:21:06PM +0900, Masahiro Yamada wrote:
> > > The KBUILD_ARFLAGS addition in arch/powerpc/Makefile has never worked
> > > in a useful way because it is always overridden by the following code
> > > in the top Makefile:
> > >
> > > # use the deterministic mode of AR if available
> > > KBUILD_ARFLAGS := $(call ar-option,D)
> > >
> > > The code in the top Makefile was added in 2011, by commit 40df759e2b9e
> > > ("kbuild: Fix build with binutils <= 2.19").
> > >
> > > The KBUILD_ARFLAGS addition for ppc has always been dead code from the
> > > beginning.
> > That was added in 43c9127d94d6 to replace my 8995ac870273 from 2007.
> > Is it no longer supported to build a 64-bit kernel with a toolchain
> > that defaults to 32-bit, or the other way around? And with non-native
> > toolchains (this one didn't run on Linux, even).
> It was an --enable-targets=all toolchain, somewhat common for crosses,
> if that matters.
I always use the same toolchain
for compile-testing PPC32/64.
I have never been hit by the issue you mention.
Somebody would have reported it if it were still a problem.
Moreover, commit 43c9127d94d6
translated the environment variable "GNUTARGET"
into the command option "--target="
My powerpc-linux-ar does not know it:
powerpc-linux-ar: -t: No such file or directory
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