* configure.host: Remove -DLOOSE_KERNEL_NAMES flag for linux
x86 build.
* iconvdata/Makefile.am: Make dependent on newlib's configure.host
and set up default flags to pass to aclocal.
* iconvdata/Makefile.in: Regenerated.
* libc/sys/linux/Makefile.am: Add _ELIX_LEVEL_4 getlogin, getpwnam,
and getpwuid routines.
* libc/sys/linux/Makefile.in: Regenerated.
* libc/sys/linux/getlogin.c: New stub file to allow x86-linux
applications to link with newlib's shared libc library.
* libc/sys/linux/getpwnam.c: Ditto.
* libc/sys/linux/getpwuid.c: Ditto.
* libc/sys/linux/sys/types.h: Include <features.h> and supply types
that were formerly supplied by /usr/include/linux/types.h with
kernel types.
* testsuite/newlib.wctype/twctype.c: Fix testcase to properly
test _ELIX_LEVEL macro.