echo '#define FLOAT' > fp-bit.c
cat $(srcdir)/config/fp-bit.c >> fp-bit.c
-T_CFLAGS = -DDONT_HAVE_STDIO -DDONT_HAVE_SETJMP -Dinhibit_libc
# could use -msifilter to be safe from interrupt/jmp interactions and others.
TARGET_LIBGCC2_CFLAGS=-O3 -DNO_FLOATLIB_FIXUNSDFSI #-msifilter