Trying to compile a kernel after today's sup:

cc  -O2 -m68040 -pipe -Werror -Wall -Wstrict-prototypes -Wmissing-prototypes -msoft-float -I. 
-I../../../../arch -I../../../.. -nostdinc -DHZ="0x3c" -DSETUIDSCRIPTS -DNVNODE="0x7c0" 
-DNKMEMCLUSTERS="0x800" -DBELL_FREQ="0x5d4" -DBELL_LENGTH="0xa" -DBELL_VOLUME="0x50" -DM68040 
-DFPSP -DLKM -DDIAGNOSTIC -DCOMPAT_43 -DFFS_EI -DEXT2FS_SYSTEM_FLAGS -DPPP_DEFLATE -DPPP_FILTER 
-DALTXBUTTONS -DMAXUSERS=16 -D_KERNEL  -Dmc68020 -Dmac68k  -c 
../../../../arch/m68k/m68k/sig_machdep.c
../../../../arch/m68k/m68k/sig_machdep.c: In function `sendsig':
../../../../arch/m68k/m68k/sig_machdep.c:114: argument `mask' doesn't match prototype
../../../../sys/signalvar.h:167: prototype declaration
../../../../arch/m68k/m68k/sig_machdep.c:135: `SAS_ALTSTACK' undeclared (first use this function)
../../../../arch/m68k/m68k/sig_machdep.c:135: (Each undeclared identifier is reported only once
../../../../arch/m68k/m68k/sig_machdep.c:135: for each function it appears in.)
../../../../arch/m68k/m68k/sig_machdep.c:136: structure has no member named `ps_sigonstack'
cc1: warnings being treated as errors
../../../../arch/m68k/m68k/sig_machdep.c:136: warning: implicit declaration of function `sigmask'
../../../../arch/m68k/m68k/sig_machdep.c: At top level:
../../../../arch/m68k/m68k/sig_machdep.c:267: warning: function declaration isn't a prototype
../../../../arch/m68k/m68k/sig_machdep.c: In function `sys_sigreturn':
../../../../arch/m68k/m68k/sig_machdep.c:279: dereferencing pointer to incomplete type
../../../../arch/m68k/m68k/sig_machdep.c:379: wrong type argument to bit-complement
../../../../arch/m68k/m68k/sig_machdep.c:272: warning: `scp' might be used uninitialized in this function
*** Error code 1

Stop.