[DRBD-user] compilation of drbd-9.0.25 fails on Suse Enterprise SP15 SP2

[Rob van der Wal]

Hi,

I'm getting:
make
Need a git checkout to regenerate drbd/.drbd_git_revision
make[1]: Entering directory '/home/drbdusr/drbd-9.0.25-1/drbd'

     Calling toplevel makefile of kernel source tree, which I believe is in
     KDIR=/lib/modules/5.3.18-24.37-default/build

make -C /lib/modules/5.3.18-24.37-default/build 
M=/home/drbdusr/drbd-9.0.25-1/drbd  modules
./drbd-kernel-compat/gen_compat_patch.sh: line 12: spatch: command not found
./drbd-kernel-compat/gen_compat_patch.sh: line 45: hash: spatch: not found
   INFO: no suitable spatch found; trying spatch-as-a-service;
   be patient, may take up to 10 minutes
   if it is in the server side cache it might only take a second
   SPAAS    a860663d2978c043246e0fc8d860911d
Successfully connected to SPAAS ('d35a4b17210dab1336de2725b997f300e9acd297')
   % Total    % Received % Xferd  Average Speed   Time    Time Time Current
                                  Dload  Upload   Total   Spent Left Speed
100  8431  100  3600    0  4831  70588  94725 --:--:-- --:--:-- 
--:--:--  161k
   You can create a new .tgz including this pre-computed compat patch
   by calling "make unpatch ; echo 
drbd-9.0.25-1/drbd/drbd-kernel-compat/cocci_cache/a860663d2978c043246e0fc8d860911d/compat.patch 
 >>.filelist ; make tgz"
   PATCH
patching file ./drbd_int.h
patching file drbd_sender.c
patching file drbd_main.c
patching file drbd_debugfs.c
patching file drbd_req.c
patching file drbd_receiver.c
   CC [M]  /home/drbdusr/drbd-9.0.25-1/drbd/drbd_dax_pmem.o
In file included from 
/usr/src/linux-5.3.18-24.37/include/uapi/linux/posix_types.h:5:0,
                  from 
/usr/src/linux-5.3.18-24.37/include/uapi/linux/types.h:14,
                  from 
/usr/src/linux-5.3.18-24.37/include/linux/compiler.h:180,
                  from 
/usr/src/linux-5.3.18-24.37/include/linux/export.h:45,
                  from 
/usr/src/linux-5.3.18-24.37/include/linux/linkage.h:7,
                  from 
/usr/src/linux-5.3.18-24.37/include/linux/preempt.h:10,
                  from 
/usr/src/linux-5.3.18-24.37/include/linux/spinlock.h:51,
                  from 
/usr/src/linux-5.3.18-24.37/include/linux/vmalloc.h:5,
                  from /home/drbdusr/drbd-9.0.25-1/drbd/drbd_dax_pmem.c:22:
/usr/src/linux-5.3.18-24.37/include/linux/stddef.h:8:14: error: expected 
declaration specifiers or ‘...’ before ‘(’ token
  #define NULL ((void *)0)
               ^
/usr/src/linux-5.3.18-24.37/include/linux/proc_fs.h:42:52: note: in 
expansion of macro ‘NULL’
   proc_create_single_data(name, mode, parent, show, NULL)
                                                     ^~~~
/home/drbdusr/drbd-9.0.25-1/drbd/drbd-kernel-compat/drbd_wrappers.h:493:31: 
note: in expansion of macro ‘proc_create_single’
  extern struct proc_dir_entry *proc_create_single(const char *name, 
umode_t mode,
                                ^~~~~~~~~~~~~~~~~~
make[4]: *** [/usr/src/linux-5.3.18-24.37/scripts/Makefile.build:282: 
/home/drbdusr/drbd-9.0.25-1/drbd/drbd_dax_pmem.o] Error 1
make[3]: *** [/usr/src/linux-5.3.18-24.37/Makefile:1650: 
_module_/home/drbdusr/drbd-9.0.25-1/drbd] Error 2
make[2]: *** [../../../linux-5.3.18-24.37/Makefile:179: sub-make] Error 2
make[1]: *** [Makefile:132: kbuild] Error 2
make[1]: Leaving directory '/home/drbdusr/drbd-9.0.25-1/drbd'
make: *** [Makefile:135: module] Error 2


Any ideas how to solve this issue? With kernel 5.3.18-24.34 compilation 
is correct.

Regards,
Rob



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