Hi all,
I am seeking some help trying to build the ethercat master on Alma9. I am
trying to first just build the simplest configuration I can (i.e. not an RT
kernel), on a VMWare VM (not sure if this will create a problem). I have
installed kernel-devel and it looks like I have the kernel sources in
/usr/src/kernels/5.14.0-427.37.1.el9_4.x86_64
uname -srvmpio
Linux 5.14.0-362.24.2.el9_3.x86_64 #1 SMP PREEMPT_DYNAMIC Sat Mar 30 14:11:54
EDT 2024 x86_64 x86_64 x86_64 GNU/Linux
Following the instructions:
./bootstrap
./configure
--with-linux-dir=/usr/src/kernels/5.14.0-427.37.1.el9_4.x86_64 --enable-generic
make
make modules
The build fails with:
In file included from ./include/linux/linkage.h:7,
from ./include/linux/kernel.h:8,
from ./include/linux/list.h:9,
from ./include/linux/module.h:12,
from /opt/igh/etherlab/master/module.c:28:
/opt/igh/etherlab/master/module.c: In function ‘ec_init_module’:
./include/linux/export.h:17:22: error: passing argument 1 of ‘class_create’
from incompatible pointer type [-Werror=incompatible-pointer-types]
17 | #define THIS_MODULE (&__this_module)
| ~^~~~~~~~~~~~~~~
| |
| struct module *
/opt/igh/etherlab/master/module.c:115:26: note: in expansion of macro
‘THIS_MODULE’
115 | class = class_create(THIS_MODULE, "EtherCAT");
| ^~~~~~~~~~~
In file included from ./include/linux/device.h:31,
from /opt/igh/etherlab/master/module.c:29:
./include/linux/device/class.h:230:54: note: expected ‘const char *’ but
argument is of type ‘struct module *’
230 | struct class * __must_check class_create(const char *name);
| ~~~~~~~~~~~~^~~~
/opt/igh/etherlab/master/module.c:115:13: error: too many arguments to function
‘class_create’
115 | class = class_create(THIS_MODULE, "EtherCAT");
| ^~~~~~~~~~~~
In file included from ./include/linux/device.h:31,
from /opt/igh/etherlab/master/module.c:29:
./include/linux/device/class.h:230:29: note: declared here
230 | struct class * __must_check class_create(const char *name);
| ^~~~~~~~~~~~
cc1: some warnings being treated as errors
make[3]: *** [scripts/Makefile.build:299: /opt/igh/etherlab/master/module.o]
Error 1
make[2]: *** [scripts/Makefile.build:585: /opt/igh/etherlab/master] Error 2
make[1]: *** [Makefile:1936: /opt/igh/etherlab] Error 2
make[1]: Leaving directory '/usr/src/kernels/5.14.0-427.37.1.el9_4.x86_64'
make: *** [Makefile:957: modules] Error 2
Any help/suggestions would be appreciated.
--
Jeremy Wykes
Scientist - MEX
ANSTO Australian Synchrotron
800 Blackburn Road, Clayton, VIC, 3168
Tel: 03 8540 4277
Email: [email protected]<mailto:[email protected]>
Web: www.ansto.gov.au<http://www.ansto.gov.au>
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