* config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
	config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
	config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
	config/convex/xm-convex.h, config/d30v/xm-d30v.h,
	config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
	config/h8300/xm-h8300.h, config/i370/xm-i370.h,
	config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
	config/i386/xm-i386.h, config/i860/xm-i860.h,
	config/i960/xm-i960.h, config/ia64/xm-ia64.h,
	config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
	config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
	config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
	config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
	config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
	config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
	config/romp/xm-romp.h, config/rs6000/xm-beos.h,
	config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
	config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
	config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
	config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
	config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
	match the defaults provided in hwint.h.

	* config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
	config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.

	* config.gcc (xm_file): Don't set to files which are deleted.

	* hwint.h: Provide default values for HOST_BITS_PER_*.  No longer
	guard this file against these macros being undefined.

From-SVN: r40262