* config.make.in (fno-unit-at-a-time): Define.

* config.make.in (fno-unit-at-a-time): Define.

	* configure.in: Add test for -fno-unit-at-a-time.
	Fix text for -fpie.

	* csu/Makefile (CFLAGS-initfini.s): Add $(fno_unit_at_a_time).
	* locale/Makefile (CFLAGS-loadlocale.c): Likewise.

For linuxthreads:
	* Makefile (CFLAGS-pt-initfini.s): Add $(fno_unit_at_a_time).
	* sysdeps/unix/sysv/linux/x86_64/Makefile (CFLAGS-pt-initfini.s):
	Likewise.

For nptl:
	* Makefile (CFLAGS-pt-initfini.s): Add $(fno_unit_at_a_time).
	* sysdeps/unix/sysv/linux/x86_64/Makefile (CFLAGS-pt-initfini.s):
	Likewise.