[Buildroot] [PATCH 1/1] package/libdeflate: fix build with arm soft float

[Thomas Petazzoni]

On Mon, 26 Dec 2022 22:19:10 +0100
Fabrice Fontaine <fontaine.fabrice at gmail.com> wrote:

> Fix the following build failure with arm soft float raised since bump to
> version 1.15 in commit c31087182fa545784d9a0a01f0b32715d78c3955 and
> https://github.com/ebiggers/libdeflate/commit/84c76f6f2cf5e5ac4deca0b1c25faebb42469f58:
> 
> In file included from /home/autobuild/autobuild/instance-3/output-1/build/libdeflate-1.15/lib/arm/crc32_impl.h:256,
>                  from /home/autobuild/autobuild/instance-3/output-1/build/libdeflate-1.15/lib/crc32.c:227:
> /home/autobuild/autobuild/instance-3/output-1/host/lib/gcc/arm-buildroot-linux-gnueabi/11.3.0/include/arm_neon.h:31:2: error: #error "NEON intrinsics not available with the soft-float ABI.  Please use -mfloat-abi=softfp or -mfloat-abi=hard"
>    31 | #error "NEON intrinsics not available with the soft-float ABI.  Please use -mfloat-abi=softfp or -mfloat-abi=hard"
>       |  ^~~~~
> In file included from /home/autobuild/autobuild/instance-3/output-1/build/libdeflate-1.15/lib/crc32.c:227:
> /home/autobuild/autobuild/instance-3/output-1/build/libdeflate-1.15/lib/arm/crc32_impl.h: In function 'clmul_u32':
> /home/autobuild/autobuild/instance-3/output-1/build/libdeflate-1.15/lib/arm/crc32_impl.h:262:9: error: unknown type name 'uint64x2_t'; did you mean 'uint16x2_t'?
>   262 |         uint64x2_t res = vreinterpretq_u64_p128(
>       |         ^~~~~~~~~~
>       |         uint16x2_t
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/1445dcbf676893133f311a92ac21b29237fb75df
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> ---
>  ...or-due-to-PMULL-enabled-without-NEON.patch | 35 +++++++++++++++++++
>  1 file changed, 35 insertions(+)
>  create mode 100644 package/libdeflate/0002-lib-arm-cpu_features-fix-build-error-due-to-PMULL-enabled-without-NEON.patch

Applied to master, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com