>> I created a new kernel config file from scratch, wondered what the >> GEOM_PART_MBR option and friends were doing, search for them, didn't find >> them in the tree, and deleted them from my config. But... de resulting disk >> image didn't boot, because of the fact that it didn't recognise the MBR >> partitions (it only had a single diskid entry on the mount-root prompt). >> >> Can anyone explain to me how these kernel options work, as in: they are >> defined in kernel configs and as a consequence in opt_geom.h, but how are >> they actually used to select which geom_part_* modules/kernel parts to >> build? I thought these options were translated to stuff that cpp would use, >> but there are not uses of for example GEOM_PART_MBR anywhere for example! >> > > The module always build them because they are listed in the module's > Makefile. > > The kernel only sometimes does. Here's the key lines from conf/files: > files:geom/geom_bsd_enc.c optional geom_bsd | geom_part_bsd > files:geom/part/g_part_apm.c optional geom_part_apm > files:geom/part/g_part_bsd.c optional geom_part_bsd > files:geom/part/g_part_bsd64.c optional geom_part_bsd64 > files:geom/part/g_part_ebr.c optional geom_part_ebr > files:geom/part/g_part_gpt.c optional geom_part_gpt > files:geom/part/g_part_ldm.c optional geom_part_ldm > files:geom/part/g_part_mbr.c optional geom_part_mbr > files:geom/part/g_part_vtoc8.c optional geom_part_vtoc8 > > which turn on/off which files get included. config "helpfully" converts the > upper case options to lower case for this. > > Warner *slaps forehead* Goose chase! I actually knew that... and, at the time, thought it was weird behaviour. ''grep" would not have failed me if those options would be uppercase there ... Thanks, Warner. Nick
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