make -C /lib/modules/5.15.0/build M=/root/gtp5g modules
make[1]: *** /lib/modules/5.15.0/build: No such file or directory. Stop.
make: *** [Makefile:83: module] Error 2
my system is ubuntu 20.04, the CPU in my pc is phytium D2000. the kernel is 5.10.0 on arm, which is custom made。
when I make gtp5g, I meet problems as follow
my system is ubuntu 20.04, the CPU in my pc is phytium D2000. the kernel is 5.10.0 on arm, which is custom made。