The autoconf script throws and error when af_packet is enabled and then continues
When af_packet support is enabled, the autoconf process throws the following mysterious error (lines added for more context)
checking whether TPACKET_V2 is declared... yes
checking whether PACKET_FANOUT_QM is declared... yes
checking whether TPACKET_V3 is declared... yes
checking whether SOF_TIMESTAMPING_RAW_HARDWARE is declared... yes
./configure: line 18803: ,: command not found
The configuration process contiues and builds a working Suricata, so that's not critical, but something quietly fails here.