[OpenWrt-Devel] mfloat-abi=soft

[Christian Lamparter]

Cc'd: BangLang Huang <banglang.huang at foxmail.com>

On Saturday, April 6, 2019 10:35:48 PM CEST Rosen Penev wrote:
> According to rules.mk, -mfloat-abi=soft is used. This is causing build
> failures with the botan library:
> 
> https://downloads.openwrt.org/snapshots/faillogs/armeb_xscale/packages/botan/compile.txt
> 
> Is it sensical to change the default to softfp, as the error message suggests?
That's the error:

#error "NEON intrinsics not available with the soft-float ABI.  Please use -mfloat-abi=softp or -mfloat-abi=hard"

I think the best option would be to tell the package to disable neon in this
case, just like ffmpeg is doing already. If you can test:

ifeq ($(CONFIG_SOFT_FLOAT),y)
CONFIGURE_ARGS += --disable-neon
endif

Cheers,
Christian



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