x86_64-x32*|x32*|x86_64*x32) ARCH=x32 ;;
x86_64-nt64*) ARCH=nt64 ;;
x86_64*) ARCH=x86_64 ;;
+m68k*) ARCH=m68k ;;
mips64*|mipsisa64*) ARCH=mips64 ;;
mips*) ARCH=mips ;;
microblaze*) ARCH=microblaze ;;
trycppif __AARCH64EB__ "$t" && SUBARCH=${SUBARCH}_be
fi
+if test "$ARCH" = "m68k" ; then
+if trycppif "__HAVE_68881__" ; then : ;
+elif trycppif "__mcffpu__" ; then SUBARCH="-fp64"
+else SUBARCH="-sf"
+fi
+fi
+
if test "$ARCH" = "mips" ; then
trycppif "__mips_isa_rev >= 6" "$t" && SUBARCH=${SUBARCH}r6
trycppif "_MIPSEL || __MIPSEL || __MIPSEL__" "$t" && SUBARCH=${SUBARCH}el