This patch breaks `make headers_check' in mysterious ways: CHECK include/linux/netfilter_ipv4/ip_conntrack_tcp.h CHECK include/linux/netfilter_ipv4/ip_conntrack_sctp.h CHECK include/linux/netfilter_ipv4/ip_conntrack_protocol.h CHECK include/linux/netfilter_ipv4/ip_conntrack_helper_h323_types.h CHECK include/linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h CHECK include/linux/netfilter_ipv4/ip_conntrack_helper.h make[2]: *** [/usr/src/devel/usr/include/asm/.check.setup.h] Error 1 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [asm-i386] Error 2 make[1]: *** Waiting for unfinished jobs.... make: *** [headers_check] Error 2