this change appears to have broken the build for at least sparc:
In file included from ./ioconf.c:1:0, from /usr/src7/sys/dev/pci/twa.c:3153: ./ioconf.h: In function 'twa_read_capacity': ./ioconf.h:5:0: error: unterminated argument list invoking macro "bswap64" extern struct cfdriver twa_cd; ^ /usr/src7/sys/dev/pci/twa.c:780:14: error: assignment makes integer from pointer without a cast [-Werror=int-conversion] array_size = bswap64(_8btol( ^ In file included from /usr/src7/sys/sys/mount.h:49:0, from ./ioconf.c:12, from /usr/src7/sys/dev/pci/twa.c:3153: /usr/src7/sys/sys/fstypes.h:37:1: error: expected ';' before 'typedef' typedef struct { int32_t __fsid_val[2]; } fsid_t; /* file system id type */ ^ [ ... ] nbmake[7]: stopped in /usr/src7/sys/modules/twa (several interspersed messages appear in my log..) .mrg.