Re: Using GNU AS from a selfmade binutils v2.35.2

[Sedat Dilek <sedat.dilek@gmail.com>]

On Fri, Feb 5, 2021 at 10:44 PM Nick Desaulniers
<ndesaulniers@google.com> wrote:
>
> On Fri, Feb 5, 2021 at 1:37 PM Nathan Chancellor <nathan@kernel.org> wrote:
> >
> > It is entirely possible that '--prefix=' should always be present though:
> >
> > diff --git a/Makefile b/Makefile
> > index f5842126e89d..409822f45bfd 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -562,10 +562,10 @@ endif
> >  ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
> >  ifneq ($(CROSS_COMPILE),)
> >  CLANG_FLAGS    += --target=$(notdir $(CROSS_COMPILE:%-=%))
> > +endif
> >  GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
> >  CLANG_FLAGS    += --prefix=$(GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE))
> >  GCC_TOOLCHAIN  := $(realpath $(GCC_TOOLCHAIN_DIR)/..)
> > -endif
> >  ifneq ($(GCC_TOOLCHAIN),)
> >  CLANG_FLAGS    += --gcc-toolchain=$(GCC_TOOLCHAIN)
> >  endif
>
> I'm unsure. Consider the case where I'm building with `LLVM=1
> LLVM_IAS=1 CROSS_COMPILE=aarch64-linux-gnu`, ie. no GNU binutils and
> am cross compiling.  In that case, we should not be setting any
> --prefix or --gcc-toolchain, and yet today we are.  Perhaps that is
> orthogonal though?
>

Nathan and Nick, Guys - you are really great.

Big thank-you for your feedback.
But I am out - the whole today I build Linux-kernels...
"My head is empty." (Kofi Anan)

Today, I remembered it is exactly one year we met in Zurich @ 1st
ClangBuiltLinux meeting :-).

- Sedat -

P.S.: I asked Matthias Klose why binutils v2.35.2 is delayed - it's
ready on <salsa.debian.org> Git.