This looks like a casualty of Jason's disksubr commits.

gcc  -O2 -Werror -Wall -Wcomment -Wpointer-arith -Wno-main -I. -I../../../../arc
h -I../../../.. -nostdinc -DFOOTBRIDGE -DEBSA285 -DSHMMAXPGS="0x400" -DMEMORY_DI
SK_HOOKS -DPMAP_STATIC_L1S="0x80" -DDIAGNOSTIC -DPOSTMORTEM -DMAXUSERS=32 -D_KER
NEL -Darm32  -c ../../../../arch/arm32/arm32/disksubr_mbr.c
../../../../arch/arm32/arm32/disksubr_mbr.c:87: `MBR_PTYP_FAT12' undeclared here
 (not in a function)
../../../../arch/arm32/arm32/disksubr_mbr.c:87: initializer element for `fat_typ
es[0]' is not constant
../../../../arch/arm32/arm32/disksubr_mbr.c:87: `MBR_PTYP_FAT16S' undeclared her
e (not in a function)
../../../../arch/arm32/arm32/disksubr_mbr.c:87: initializer element for `fat_typ
es[1]' is not constant
../../../../arch/arm32/arm32/disksubr_mbr.c:88: `MBR_PTYP_FAT16B' undeclared her
e (not in a function)
../../../../arch/arm32/arm32/disksubr_mbr.c:88: initializer element for `fat_typ
es[2]' is not constant
../../../../arch/arm32/arm32/disksubr_mbr.c:88: `MBR_PTYP_FAT32' undeclared here
 (not in a function)
../../../../arch/arm32/arm32/disksubr_mbr.c:88: initializer element for `fat_typ
es[3]' is not constant
../../../../arch/arm32/arm32/disksubr_mbr.c:89: `MBR_PTYP_FAT32L' undeclared her
e (not in a function)
../../../../arch/arm32/arm32/disksubr_mbr.c:89: initializer element for `fat_typ
es[4]' is not constant
../../../../arch/arm32/arm32/disksubr_mbr.c:89: `MBR_PTYP_FAT16L' undeclared her
e (not in a function)
../../../../arch/arm32/arm32/disksubr_mbr.c:89: initializer element for `fat_typ
es[5]' is not constant
../../../../arch/arm32/arm32/disksubr_mbr.c: In function `mbr_label_read':
../../../../arch/arm32/arm32/disksubr_mbr.c:145: `MBR_PTYP_NETBSD' undeclared (f
irst use in this function)
../../../../arch/arm32/arm32/disksubr_mbr.c:145: (Each undeclared identifier is 
reported only once
../../../../arch/arm32/arm32/disksubr_mbr.c:145: for each function it appears in
.)
../../../../arch/arm32/arm32/disksubr_mbr.c:171: `MBR_PTYP_LNXEXT2' undeclared (
first use in this function)
../../../../arch/arm32/arm32/disksubr_mbr.c: In function `mbr_label_locate':
../../../../arch/arm32/arm32/disksubr_mbr.c:253: `MBR_PTYP_NETBSD' undeclared (f
irst use in this function)
*** Error code 1

Stop.