Mine

gcc -I/sw/include -L/sw/lib -c -fpascal-strings -DMAC_OSX   -Demacs -DHAVE_CONFIG_H   -I. -I/Users/adam/Desktop/Temp/emacs/src -fpascal-strings -DMAC_OSX -I/usr/X11R6/include -Dtemacs  -g -O2 -Wno-pointer-sign  pre-crt0.c
cc1: error: unrecognized command line option "-fpascal-strings"
cc1: error: unrecognized command line option "-fpascal-strings"
make[2]: *** [pre-crt0.o] Error 1
make[1]: *** [bootstrap-build] Error 2
make: *** [bootstrap] Error 2