[LEDE-DEV] [PATCH v1 1/1] uboot-at91: fix build after fpu activation

[Hauke Mehrtens]

On 01/04/2018 08:43 PM, Sandeep Sheriker Mallikarjun wrote:
> neon and VFPv4 support is added to this target and uboot-at91 build
> fails due to TARGET_CFLAGS -mfloat-abi set to hard. as a fix, setting
> uboot-at91 CFLAGS -mfloat-abi=soft.
> 
> Signed-off-by: Sandeep Sheriker Mallikarjun <sandeepsheriker.mallikarjun at microchip.com>
> ---
>  package/boot/uboot-at91/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/package/boot/uboot-at91/Makefile b/package/boot/uboot-at91/Makefile
> index 7c420f1..268b254 100644
> --- a/package/boot/uboot-at91/Makefile
> +++ b/package/boot/uboot-at91/Makefile
> @@ -88,7 +88,7 @@ UBOOT_TARGETS := \
>  define Build/Compile
>  	+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
>  		CROSS_COMPILE=$(TARGET_CROSS) \
> -		KCFLAGS="$(filter-out -fstack-protector, $(TARGET_CFLAGS))"
> +		KCFLAGS="$(filter-out -fstack-protector -mfloat-abi=hard, $(TARGET_CFLAGS)) -mfloat-abi=soft" 

I am wondering why setting KCFLAGS is needed at all.
Setting KCFLAGS is the only difference which should have an impact to
the default compile rule from include/u-boot.mk .

Hauke