4.4BSD/usr/X11R5/lib/X11/config/rtcchack.bac

/* High C version 1.4r absolutely will not support the XtOffset
   macro as defined by the Intrinsics, nor have we been able to
   find a suitable workaround, even using the builtin _offsetof().
 */

#undef AllTarget
#define AllTarget(depends)						   @@\
all::									   @@\
	@$(MAKE) $(MFLAGS) CC=$(PCC) CDEBUGFLAGS=$(CDEBUGFLAGS) dummy \	   @@\
	    `grep -w -l XtOffset *.c | sed -e 's/\(.*\).c$$/\1.o/'` 	   @@\
	@$(MAKE) $(MFLAGS) CC=$(CC) CDEBUGFLAGS=$(CDEBUGFLAGS) everything  @@\
									   @@\
everything:: depends							   @@\
									   @@\
dummy::