Compiling boroadwell ( DS3617xs) with latest source kernel and latest toolchain

[Aigor]

Hi Friends, when i try to compile some kernel modules fo DS3617xs using latest toolchain and latest kernel sources, i get several errors 

make ARCH=x86_64 CROSS_COMPILE=/opt/dsm-6.2.3/x86_64-pc-linux-gnu/bin/x86_64-pc-linux-gnu-
/home/dude/linux-3.10.x/arch/x86/Makefile:164: CONFIG_RETPOLINE=y, but not supported by the compiler. Toolchain update recommended.
make[1]: Nessuna operazione da eseguire per «all».
make[1]: Nessuna operazione da eseguire per «relocs».
  CHK     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CC      scripts/mod/devicetable-offsets.s
  GEN     scripts/mod/devicetable-offsets.h
  HOSTCC  scripts/mod/file2alias.o
  HOSTLD  scripts/mod/modpost
  CHK     include/generated/compile.h
  CC      init/initramfs.o
init/initramfs.c:22:29: fatal error: crypto/hydrogen.h: File o directory non esistente
 #include <crypto/hydrogen.h>
                             ^
compilation terminated.
make[1]: *** [init/initramfs.o] Errore 1
make: *** [init] Errore 2

Do someone has some hint? 
Many thanks 

[IG-88]

in theory it should work with this (they did not provide it with 6.2.2 source)

https://sourceforge.net/projects/dsgpl/files/Synology NAS GPL Source/25426branch/broadwell-source/libhydrogen.txz/download

[Aigor]

11 hours ago, IG-88 said:

in theory it should work with this (they did not provide it with 6.2.2 source)

https://sourceforge.net/projects/dsgpl/files/Synology NAS GPL Source/25426branch/broadwell-source/libhydrogen.txz/download

Thank you for the link, do i have to copy hydrogen.h into kernels include folder? 

[IG-88]

7 minutes ago, Aigor said:

Thank you for the link, do i have to copy hydrogen.h into kernels include folder? 

i guess so, i tinkered with the original code from git and 6.2.2 but cant remember exactly (and have not changed my build environment to 6.2.3)

in the end its not important for compiling modules its just for the kernel itself that you cant use in the end

if you keep it to "make ... modules" instead of "make ... all" you should not need libhydrogen

 

Edited February 20, 2021 by IG-88

[Aigor]

Thank you IG-88 it's' not enough copy hydrogen.h.
Yes, you are right, hydrogen not needed for modules