* math/Makefile (libm-support, libm-calls): New variables.

* math/Makefile (libm-support, libm-calls): New variables.

	(libm-routines): Construct this from those.
	(calls): New variable.
	(routines): Construct this from it.

	* resolv/res_debug.c: Add missing #include <ctype.h>.

	* sysdeps/unix/getlogin.c: Must pass struct utmp ptr to getutline_r.
	* sysdeps/unix/getlogin_r.c: Likewise.

	* sysdeps/libm-ieee754/w_hypotl.c: Fix typo.

	* sysdeps/libm-ieee754/w_cabsl.c: __cabsl_complex -> __cabs_complexl

	* math/Makefile (long-m-routines): Define recursive variable as
	$(long-m-$(long-double-fcts)).
	(long-m-yes): Put list of routines here.
	(long-c-routines, long-c-yes): Likewise.

	* sysdeps/unix/sysv/linux/schedbits.h: File removed.

	* sysdeps/i386/Makefile (long-double-fcts): New variable, set to yes.
	* sysdeps/m68k/Makefile: Likewise.

	* math/Makefile [$(long-double-fcts)!=yes] (CPPFLAGS): Append
 	-DNO_LONG_DOUBLE.