Implicit declaration of function 'read_cpuid_part', asm/simd.h: No such file or directory with 0.0.20180925 on arm kernel 3.10.107

[Philipp Richter]

I tested the latest commit 6f094dca17038a48f3f01931c6b80d6511a86967

And with that it complains only about missing asm/simd.h

Regards,
Philipp Richter
On Thu, 27 Sep 2018 at 08:54, Philipp Richter
<richterphilipp.pops at gmail.com> wrote:
>
> Hello,
>
> it's me again with my super ancient kernel *sigh*
>
> I'm getting these errors with the 0.0.20180925 snapshot :
>
> DKMS make.log for wireguard-0.0.20180925 for kernel 3.10.107-2-ARCH (armv7l)
> Thu Sep 27 08:44:18 CEST 2018
> make: Entering directory '/usr/src/linux-3.10.107-2-ARCH'
>  LD      /var/lib/dkms/wireguard/0.0.20180925/build/built-in.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/main.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/noise.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/device.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/peer.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/timers.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/queueing.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/send.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/receive.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/socket.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/hashtables.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/allowedips.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/ratelimiter.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/cookie.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/netlink.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/chacha20/chacha20.o
>  AS [M]  /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/chacha20/chacha20-arm.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/poly1305/poly1305.o
>  AS [M]  /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/poly1305/poly1305-arm.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/chacha20poly1305.o
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/blake2s/blake2s.o
> In file included from
> /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/chacha20/chacha20.c:20:
> /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/chacha20/chacha20-arm-glue.h:
> In function ‘chacha20_fpu_init’:
> /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/chacha20/chacha20-arm-glue.h:30:10:
> error: implicit declaration of function ‘read_cpuid_part’; did you
> mean ‘read_cpuid_ext’? [-Werror=implicit-function-declaration]
>  switch (read_cpuid_part()) {
>          ^~~~~~~~~~~~~~~
>          read_cpuid_ext
>  CC [M]  /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/curve25519/curve25519.o
> cc1: some warnings being treated as errors
> make[1]: *** [scripts/Makefile.build:309:
> /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/chacha20/chacha20.o]
> Error 1
> make[1]: *** Waiting for unfinished jobs....
> In file included from
> /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/curve25519/curve25519.c:25:
> /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/curve25519/curve25519-arm-glue.h:8:10:
> fatal error: asm/simd.h: No such file or directory
> #include <asm/simd.h>
>          ^~~~~~~~~~~~
> compilation terminated.
> make[1]: *** [scripts/Makefile.build:308:
> /var/lib/dkms/wireguard/0.0.20180925/build/crypto/zinc/curve25519/curve25519.o]
> Error 1
> make: *** [Makefile:1233:
> _module_/var/lib/dkms/wireguard/0.0.20180925/build] Error 2
> make: Leaving directory '/usr/src/linux-3.10.107-2-ARCH'
>
>
> I understand if it's just no possible anymore to support such ancient
> software. Instead of collecting dust it serves as a nice wireguard
> endpoint :)
>
> Wireguard has been amazing so far, thanks for such great software.
>
> Best Regards,
> Philipp Richter