gtp5g/src/gtpu/pktinfo.c:77:23: error: implicit declaration of function ‘RT_CONN_FLAGS’ [-Werror=implicit-function-declaration] 77 | fl4->flowi4_tos = RT_CONN_FLAGS(sk);

[piktaka]

I did get the error when I tried to compile it , it happened for the tags 0.8.6 to 0.9.0.

[hnorkowski]

see https://github.com/free5gc/gtp5g/issues/109