* sysdeps/unix/sysv/linux/Makefile [$(subdir)=math]
(sysdep_routines): Append setfpucw.
(extra-objs): Append ieee-fpucw.o.
(install-lib): Append libieee.a.
(libieee.a): New target.
* sysdeps/unix/sysv/linux/ieee-fpucw.c: New file.
* sysdeps/unix/sysv/linux/i386/fpu_control.h
(_FPU_GETCW, _FPU_SETCW): New macros.
(fpu_control_t): New typedef.
(__setfpucw): Use fpu_control_t for argument type.
* sysdeps/unix/sysv/linux/fpu_control.c: Moved from linux/i386.
* sysdeps/unix/sysv/linux/init-first.c: Moved from linux/i386.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=math]
(sysdep_routines): Append setfpucw.
(extra-objs): Append ieee-fpucw.o.
(install-lib): Append libieee.a.
(libieee.a): New target.
* sysdeps/unix/sysv/linux/ieee-fpucw.c: New file.
* sysdeps/unix/sysv/linux/i386/fpu_control.h
(_FPU_GETCW, _FPU_SETCW): New macros.
(fpu_control_t): New typedef.
(__setfpucw): Use fpu_control_t for argument type.
* sysdeps/unix/sysv/linux/fpu_control.c: Moved from linux/i386.
* sysdeps/unix/sysv/linux/init-first.c: Moved from linux/i386.
* sysdeps/stub/sys/sem_buf.h (union semun): New type.
* sysdeps/mach/hurd/i386/init-first.c (init1) [PIC]: Call
__libc_global_ctors.
* sysdeps/i386/init-first.c: Rewritten.
* sysdeps/unix/sysv/linux/i386/init-first.S: File removed.
* sysdeps/unix/sysv/linux/i386/init-first.c: New file.
* sysdeps/unix/sysv/linux/i386/fpu_control.h: Fix name in decl of
___fpu_control.
* Makerules (build-shlib): New canned sequence, broken out of
lib%.so rule. Link in $^ instead of just $<.
(lib%.so: lib%_pic.a): Use it.
(libc.so): New target; use $(build-shlib) for cmds, but also depend
on soinit.so first and sofini.so last.
* elf/soinit.c: New file.
* elf/sofini.c: New file.
* elf/Makefile (distribute): Add soinit.c and sofini.c.
(extra-objs): Add soinit.so and sofini.so.
* sysvipc/sys/shm.h (shmat): Fix return type to char *.
* sysdeps/stub/sys/ipc_buf.h (key_t): Type removed.
* misc/syslog.c (vsyslog): Rewritten using open_memstream to
dynamically allocate buffers.
* Makerules (install-lib-nosubdir): Make this, rather than
install-no-libc.a, depend on the installed shared libraries.