linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Daniel Axtens <dja@axtens.net>
To: Joel Stanley <joel@jms.id.au>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Nick Desaulniers <ndesaulniers@google.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>,
	Michal Marek <michal.lkml@markovi.net>,
	linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 2/2] powerpc/boot: Set target when cross-compiling for clang
Date: Mon, 05 Nov 2018 11:11:49 +1100	[thread overview]
Message-ID: <87d0rk4c3e.fsf@linkitivity.dja.id.au> (raw)
In-Reply-To: <20181104231133.30848-3-joel@jms.id.au>

Joel Stanley <joel@jms.id.au> writes:

Hi Joel,

Thanks!

Tested-by: Daniel Axtens <dja@axtens.net> # powerpc 64-bit BE

This solves one of the 2 issues I have in building for 64-bit BE with
clang. The other is the VDSO32 stuff, and I hope to send a patch for
that soon.

Regards,
Daniel

> Clang needs to be told which target it is building for when cross
> compiling.
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/259
> Signed-off-by: Joel Stanley <joel@jms.id.au>
> ---
>  arch/powerpc/boot/Makefile | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
> index 39354365f54a..8fdb1890f09a 100644
> --- a/arch/powerpc/boot/Makefile
> +++ b/arch/powerpc/boot/Makefile
> @@ -55,6 +55,13 @@ BOOTAFLAGS	:= -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
>  
>  BOOTARFLAGS	:= -cr$(KBUILD_ARFLAGS)
>  
> +ifdef CONFIG_CC_IS_CLANG
> +BOOTCFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
> +BOOTAFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
> +BOOTCFLAGS += $(call cc-option, -no-integrated-as)
> +BOOTAFLAGS += $(call cc-option, -no-integrated-as)
> +endif
> +
>  ifdef CONFIG_DEBUG_INFO
>  BOOTCFLAGS	+= -g
>  endif
> -- 
> 2.19.1

  reply	other threads:[~2018-11-05  0:11 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-04 23:11 [PATCH 0/2] poewrpc/Boot: Fix cross compiling with clang Joel Stanley
2018-11-04 23:11 ` [PATCH 1/2] Makefile: Export clang toolchain variables Joel Stanley
2018-11-05  0:10   ` Daniel Axtens
2018-11-05  2:52   ` Masahiro Yamada
2018-11-04 23:11 ` [PATCH 2/2] powerpc/boot: Set target when cross-compiling for clang Joel Stanley
2018-11-05  0:11   ` Daniel Axtens [this message]
2018-11-05 22:37 ` [PATCH 0/2] poewrpc/Boot: Fix cross compiling with clang Nick Desaulniers
2018-11-06  0:36   ` Joel Stanley

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87d0rk4c3e.fsf@linkitivity.dja.id.au \
    --to=dja@axtens.net \
    --cc=joel@jms.id.au \
    --cc=linux-kbuild@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=michal.lkml@markovi.net \
    --cc=mpe@ellerman.id.au \
    --cc=ndesaulniers@google.com \
    --cc=yamada.masahiro@socionext.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).