* 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.