LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(TARGET_LIBGCC2_CFLAGS) \
$(LIBGCC2_DEBUG_CFLAGS) $(GTHREAD_FLAGS) \
-DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
- -fno-stack-protector \
+ -fbuilding-libgcc -fno-stack-protector \
$(INHIBIT_LIBC_CFLAGS)
# Additional options to use when compiling libgcc2.a.