linux-kernel - Re: [PATCH 3/3] microblaze: add endianness options to LDFLAGS instead of LD

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Message-ID: <CAK7LNAS7NE5ZOm1ojCK3Y5LthwDfm5OiEGYMcZC8Pkm2_YkKbQ@mail.gmail.com>
Date:   Tue, 24 Jul 2018 10:53:10 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Michal Simek <monstr@...str.eu>
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH 3/3] microblaze: add endianness options to LDFLAGS instead
 of LD

Hi Michal,

Ping?


2018-07-03 10:22 GMT+09:00 Masahiro Yamada <yamada.masahiro@...ionext.com>:
> With the recent syntax extension, Kconfig is now able to evaluate the
> compiler / toolchain capability.
>
> However, accumulating flags to 'LD' is not compatible with the way
> it works; 'LD' must be passed to Kconfig to call $(ld-option,...)
> from Kconfig files.  If you tweak 'LD' in arch Makefile depending on
> CONFIG_CPU_BIG_ENDIAN, this would end up with circular dependency
> between Makefile and Kconfig.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
>
>  arch/microblaze/Makefile | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
> index d269dd4b..7333036 100644
> --- a/arch/microblaze/Makefile
> +++ b/arch/microblaze/Makefile
> @@ -40,11 +40,11 @@ CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
>  ifdef CONFIG_CPU_BIG_ENDIAN
>  KBUILD_CFLAGS += -mbig-endian
>  KBUILD_AFLAGS += -mbig-endian
> -LD += -EB
> +LDFLAGS += -EB
>  else
>  KBUILD_CFLAGS += -mlittle-endian
>  KBUILD_AFLAGS += -mlittle-endian
> -LD += -EL
> +LDFLAGS += -EL
>  endif
>
>  CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
> --
> 2.7.4
>



-- 
Best Regards
Masahiro Yamada