Patch to fix solaris2 float.h/limits.h conflict.

Patch to fix solaris2 float.h/limits.h conflict.

	* Makefile.in (CROSS_FLOAT_H): Delete.
	(FLOAT_H): Use float_h_file.
	(rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
	(gfloat.h): Delete.
	(stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
	(mostlyclean): Delete gloat.h reference.
	(install-cross-rest, install-float-h-cross, stmp-headers): Update
	comments.
	* configure.in (sparcv9-*-solaris2*): Set float_format to none.
	(sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
	(float_h_file): Set from float_format.  Substitute into Makefile.in.
	(float_format): No longer substitute into Makefile.in.
	* cross-make (FLOAT_H): Delete.
	* config/mips/t-cross64 (FLOAT_H): Delete.
	* configure: Rebuilt.

From-SVN: r25518