At revision 134523, bootstraping fails on i686-apple-darwin9 with:
...
gcc -c -g -fkeep-inline-functions -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -fno-common -DHAVE_CONFIG_H -I. -I. -I../../gcc-4.4-work/gcc -I../../gcc-4.4-work/gcc/. -I../../gcc-4.4-work/gcc/../include -I./../intl -I../../gcc-4.4-work/gcc/../libcpp/include -I/sw/include -I../../gcc-4.4-work/gcc/../libdecnumber -I../../gcc-4.4-work/gcc/../libdecnumber/dpd -I../libdecnumber ../../gcc-4.4-work/gcc/dummy-checksum.c -o dummy-checksum.o
make[3]: *** No rule to make target `df-byte-scan.c', needed by `df-byte-scan.o'. Stop.
make[3]: *** Waiting for unfinished jobs....
/bin/sh ../../gcc-4.4-work/gcc/../move-if-change tmp-mlib.h multilib.h
echo timestamp > s-mlib
make[2]: *** [all-stage1-gcc] Error 2
make[1]: *** [stage1-bubble] Error 2
make: *** [all] Error 2
TIA
Dominique