Can't build 5.1.2 kernel

[Al <al%familysafeinternet.com@localhost>]

Hello,

I am still trying to upgrade to 5.1.2 or 6. I couldn't a 5.1.2 kernel to 
build. This is the error I get:

#   compile  AGNUS/machdep.o
cc -m68060 -m68060 -Wa,-m68030 -Wa,-m68851 -msoft-float -ffreestanding 
-fno-zero-initialized-in-bss -m68060 -std=gnu99 -fno-strict-aliasing 
-Werror -Wall -Wno-main -Wno-format-zero-length -Wpointer-arith 
-Wmissing-prototypes -Wstrict-prototypes -Wswitch -Wshadow -Wcast-qual 
-Wwrite-strings -Wno-unreachable-code -Wno-sign-compare -Wno-pointer-sign 
-Wno-attributes -Werror -Damiga -DFPCOPROC -I. 
-I../../../../../common/include -I../../../../arch -I../../../.. -nostdinc 
-DM68060 -DMAXUSERS=64 -D_KERNEL -D_KERNEL_OPT 
-I../../../../lib/libkern/../../../common/lib/libc/quad 
-I../../../../lib/libkern/../../../common/lib/libc/string 
-I../../../../lib/libkern/../../../common/lib/libc/arch/m68k/string 
-I../../../../dist/ipf -c ../../../../arch/amiga/amiga/machdep.c
../../../../arch/amiga/amiga/machdep.c: In function 'consinit':
../../../../arch/amiga/amiga/machdep.c:237: error: 'Elf32_Ehdr' undeclared 
(first use in this function)
../../../../arch/amiga/amiga/machdep.c:237: error: (Each undeclared 
identifier is reported only once
../../../../arch/amiga/amiga/machdep.c:237: error: for each function it 
appears in.)
*** Error code 1

Stop.
make: stopped in /usr/src/sys/arch/amiga/compile/AGNUS

Does anyone have any ideas?

Thanks,
Al