2000-12-04 H.J. Lu <hjl@gnu.org>
* configure.in: Change --with-oldest-abi=ABI to
--enable-oldest-abi=ABI.
2000-12-02 Bruno Haible <haible@clisp.cons.org>
* stdio-common/perror.c (perror): If stderr is wide-oriented, use
fwprintf instead of fprintf.
2000-12-01 H.J. Lu <hjl@gnu.org>
* nss/getXXbyYY_r.c: Fix verioned symbol handling.
* nss/getXXent_r.c: Likewise.
* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.
2000-11-30 H.J. Lu <hjl@gnu.org>
* scripts/abi-versions.awk (oldest_abi): New variable.
Handle the oldest ABI supported.
* Makerules ($(common-objpfx)abi-versions.h): Set oldest_abi
for scripts/abi-versions.awk.
* configure.in: Add --with-oldest-abi=ABI.
* configure: Rebuild.
* config.make.in (oldest-abi): New.
* config.h.in (GLIBC_OLDEST_ABI): New.
* csu/version.c (banner): Support GLIBC_OLDEST_ABI.
2000-11-28 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/getdents.c: Add _syscall_getdents64
declaration, adjust declaration of __syscall_getdents to match
kernel.
* locale/findlocale.c: Add casts to avoid warnings.
* locale/localeinfo.h (LIMAGIC): Add cast to avoid warnings.
* misc/efgcvt_r.c (fcvt_r): Use ssize_t instead of int and add cast
to avoid warnings.
* misc/tsearch.c (const_node): New type.
(trecurse): Correct casts to avoid warnings.
(__twalk): Likewise.
* stdlib/tst-limits.c: Add z modifier to formats for WORD_BIT and
LONG_BIT.
* debug/backtrace-tst.c (compare): Add casts to avoid warnings.
2000-11-20 Ulrich Drepper <drepper@redhat.com>
* configure.in: Add --enable-all-warnings.
* config.make.in (all-warnings): New variable.
* Makeconfig (+gccwarn): Define with many more warnings if
all-warnings is yes.
2000-11-15 Ulrich Drepper <drepper@redhat.com>
* intl/Makefile: tst-gettext2.sh does not need a third parameter.
* intl/tst-gettext2.sh: Copy locale data. Adjust LOCPATH. Verify
output of program.
* intl/tst-gettext2.c: Set C locale if setting other locale
failed. Use gettext() not _().
* locale/setlocale.c: Increment _nl_msg_cat_cntr whenever we
successfully loaded a new locale.
2000-11-13 Andreas Jaeger <aj@suse.de>
* configure.in: Require gcc 2.95 or newer.
2000-11-15 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/paths.h: Adjust for FHS.
Patch by Arkadiusz Miskiewicz <misiek@pld.ORG.PL>.
2000-11-11 Jim Meyering <meyering@lucent.com>
* string/strndup.c (strndup): Cast return value to `char *'.
2000-11-15 Jim Meyering <meyering@ascend.com>
* sysdeps/generic/memchr.c: Remove some useless parentheses.
[HAVE_STDLIB_H || defined _LIBC]: Include <stdlib.h>.
[HAVE_BP_SYM_H || defined _LIBC]: Guard inclusion of bp-sym.h.
[! (HAVE_BP_SYM_H || defined _LIBC)] (BP_SYM): Define as no-op.
Also #undef __memchr.
Use `weak_alias' only if it's defined.
2000-11-10 H.J. Lu <hjl@gnu.org>
* Makefile.in (install): Set LANGUAGE=C LC_ALL=C.
2000-10-14 Ulrich Drepper <drepper@redhat.com>
* math/libm-test.inc (frexp_test): Add L suffix also to parameters.
(hypot_test): Likewise.
* sysdeps/generic/printf_fphex.c: Compute width of decimal point
string correctly. Handle padding correctly.
* sysdeps/ia64/fpu/printf_fphex.c: Use sizeof in _itowa parameters
correctly.
* sysdeps/ieee754/ldbl-128/printf_fphex.c: Likewise.
* sysdeps/ieee754/ldbl-96/printf_fphex.c: Likewise.
2000-10-12 Alan Modra <alan@linuxcare.com.au>
* FAQ.in: Add --start-group and --end-group.
2000-10-12 Alan Modra <alan@linuxcare.com.au>
* malloc/memusage.c: Conditionalize stack usage calculation on
stack direction.
2000-10-12 Alan Modra <alan@linuxcare.com.au>
* config.h.in: Add ASM_LINE_SEP.
* configure.in: Add test for comment and line separators.
* include/libc-symbols.h: Define and use ASM_LINE_SEP, and add tabs to
placate some hppa assemblers.
* sysdeps/hppa/sysdep.h: Likewise.
* sysdeps/gnu/siglist.c: Insert \n and \t into inline asm.
* sysdeps/unix/sysv/linux/errlist.c: Likewise.
2000-10-12 David Huggins-Daines <dhd@linuxcare.com>
* sysdeps/unix/sysv/linux/Makefile: Include <bits/initspin> in
$(sysdep_headers).
* sysdeps/unix/sysv/linux/bits/initspin.h: Dummy version for
non-threaded platforms.
2000-10-12 David Huggins-Daines <dhd@linuxcare.com>
* configure.in: Add definitions for hppa.
* elf/elf.h: Add PLABEL32 relocation for hppa ELF32, comments
for IPLT and EPLT relocations.
* shlib-versions: Version symbol definitions for hppa-linux.
* sysdeps/unix/sysv/linux/configure.in: Define $arch_minimum_kernel
for hppa.
2000-10-12 David Huggins-Daines <dhd@linuxcare.com>
* sysdeps/hppa/Makefile: New file.
* sysdeps/hppa/Versions: New file.
* sysdeps/hppa/setjmp.S: New file.
* sysdeps/hppa/__longjmp.S: New file.
* sysdeps/hppa/bits/setjmp.h: New file.
* sysdeps/hppa/frame.h: New file.
* sysdeps/hppa/add_n.s: Don't use %r19 (linkage table pointer).
* sysdeps/hppa/sub_n.s: Likewise.
* sysdeps/hppa/lshift.s: Likewise.
* sysdeps/hppa/rshift.s: Likewise.
* sysdeps/hppa/udiv_qrnnd.s: Likewise.
* sysdeps/hppa/hppa1.1/addmul_1.s: Likewise.
* sysdeps/hppa/hppa1.1/submul_1.s: Likewise.
* sysdeps/hppa/hppa1.1/mul_1.s: Likewise.
* sysdeps/hppa/hppa1.1/udiv_qrnnd.s: Likewise.
* sysdeps/hppa/dl-machine.h: New file.
* sysdeps/hppa/dl-fptr.c: New file (note that this is almost
identical to the IA-64 one).
* sysdeps/hppa/dl-lookupcfg.h: Likewise.
* sysdeps/hppa/dl-symaddr.c: Likewise.
* sysdeps/hppa/elf/initfini.c: New file.
* sysdeps/hppa/elf/start.S: New file.
* sysdeps/hppa/fpu/bits/fenv.h: New file.
* sysdeps/hppa/fpu/fclrexcpt.c: New file.
* sysdeps/hppa/fpu/fedisblxcpt.c: New file.
* sysdeps/hppa/fpu/feenablxcpt.c: New file.
* sysdeps/hppa/fpu/fegetenv.c: New file.
* sysdeps/hppa/fpu/fegetexcept.c: New file.
* sysdeps/hppa/fpu/fegetround.c: New file.
* sysdeps/hppa/fpu/feholdexcpt.c: New file.
* sysdeps/hppa/fpu/fesetenv.c: New file.
* sysdeps/hppa/fpu/fesetround.c: New file.
* sysdeps/hppa/fpu/feupdateenv.c: New file.
* sysdeps/hppa/fpu/fegetexcptflg.c: New file.
* sysdeps/hppa/fpu/fraiseexcpt.c: New file.
* sysdeps/hppa/fpu/fsetexcptflg.c: New file.
* sysdeps/hppa/fpu/ftestexcept.c: New file.
* sysdeps/unix/sysv/linux/hppa/Makefile: New file.
* sysdeps/unix/sysv/linux/hppa/Versions: New file.
* sysdeps/unix/sysv/linux/hppa/syscalls.list: New file.
* sysdeps/unix/sysv/linux/hppa/sysdep.c: New file.
* sysdeps/unix/sysv/linux/hppa/sysdep.h: New file.
* sysdeps/unix/sysv/linux/hppa/bits/fcntl.h: New file.
* sysdeps/unix/sysv/linux/hppa/bits/ioctls.h: New file.
* sysdeps/unix/sysv/linux/hppa/bits/mman.h: New file.
* sysdeps/unix/sysv/linux/hppa/bits/sigaction.h: New file.
* sysdeps/unix/sysv/linux/hppa/bits/signum.h: New file.
* sysdeps/unix/sysv/linux/hppa/brk.c: New file.
* sysdeps/unix/sysv/linux/hppa/clone.S: New file.
* sysdeps/unix/sysv/linux/hppa/socket.S: New file.
* sysdeps/unix/sysv/linux/hppa/syscall.S: New file.
* sysdeps/unix/sysv/linux/hppa/setrlimit.c: New file.
* sysdeps/unix/sysv/linux/hppa/getrlimit.c: New file.
* sysdeps/unix/sysv/linux/hppa/getrlimit64.c: New file.
* sysdeps/unix/sysv/linux/hppa/kernel_sigaction.h: New file.
* sysdeps/unix/sysv/linux/hppa/kernel_stat.h: New file.
* sysdeps/unix/sysv/linux/hppa/mmap.c: New file.
* sysdeps/unix/sysv/linux/hppa/profil-counter.h: New file.
* sysdeps/unix/sysv/linux/hppa/procfs.h: New file.
* sysdeps/unix/sysv/linux/hppa/ucontext.h: New file.
* sysdeps/unix/sysv/linux/hppa/umount.c: New file.
2000-10-12 Alan Modra <alan@linuxcare.com.au>
* sysdeps/hppa/hppa1.1/Implies: New file.
* sysdeps/hppa/memusage.h: New file.
2000-09-05 Ulrich Drepper <drepper@redhat.com>
* configure.in: Strip out "unknown" from configuration names.
* iconvdata/run-iconv-test.sh: Add code to immediately stop the
* intl/Makefile (tests): Depend in mtrace-tst-gettext.
Make this a new rule depending on tst-gettext.out and run mtrace.
* intl/tst-gettext.c: Call mtrace.
* intl/tst-gettext.sh: Put MALLOC_TRACE in environment of tst-gettext.
* elf/dl-reloc.c: Add a few more __builtin_expect.
* configure.in: Remove --with-gettext option.
* intl/dcigettext.c (free_mem): Correct freeing of
_nl_domain_bindings list.
2000-08-09 Andreas Jaeger <aj@suse.de>
* configure.in: Change required make versions.
* manual/install.texi (Tools for Compilation): Document required
make version.
(Supported Configurations): Update list of supported
configurations.
* elf/Makefile (tests): Add nodlopen. Add rules to generate nodlopen.
* include/dlfcn.h: Define __RTLD_DLOPEN.
* elf/dl-load.c (_dl_map_object_from_fd): If DF_1_NOOPEN is set
and this is a dlopen() call, do not load the binary.
* dlfcn/dlopen.c: Add __RTLD_DLOPEN to mode passed down to _dl_open.
* dlfcn/dlopenold.c: Likewise.
* configure.in: Add test for -z nodelete option.
* config.make.in: Define have-z-nodelete with libc_cv_z_nodelete.
2000-07-20 Mark Kettenis <kettenis@gnu.org>
Make Hesiod NSS module thread-safe.
* hesiod/README.hesiod: Update.
* hesiod/Versions [GLIBC_2.2]: Add _nss_hesiod_getservbyport_r,
_nss_hesiod_setprotoent, _nss_hesiod_endprotoent,
_nss_hesiod_getprotobyname_r, and _nss_hesiod_getprotobynumber_r.
* hesiod/Makefile (libnss_hesiod-routines): Add hesiod-init and
hesiod-proto.
* hesiod/nss_hesiod/hesiod-init.c: New file.
* hesiod/nss_hesiod/hesiod-pwd.c: Rewritten for thread-safeness.
* hesiod/nss_hesiod/hesiod-grp.c: Likewise.
* hesiod/nss_hesiod/nss_hesiod.h: New file.
* hesiod/nss_hesiod/hesiod-service.c
(_nss_hesiod_getservbyport_r): New function. Provide support for
looking up services by port number.
* hesiod/nss_hesiod/hesiod-proto.c: New file.
* hesiod/hesiod.c: Update from BIND 8.2.3-T5B.
* hesiod/hesiod.h: Likewise.
* hesiod/hesiod_p.h: Likewise.
2000-07-20 Mark Kettenis <kettenis@gnu.org>
Fix problems with `struct __res_state' getting too big.
* resolv/resolv.h (struct __sockaddr_in): New definition.
(struct __res_state): Use __sockaddr_in instead of sockaddr_in in
the private parts of the structure to save some space.
* resolv/res_send.c (res_nsend): Cast &EXT(statp).nsaddrs[ns] to
(struct sockaddr_in *) in call to sock_eq.
Use memcpy to copy statp->nsaddr_list[ns] to &EXT(statp).nsaddrs[ns].
2000-07-20 Ulrich Drepper <drepper@redhat.com>
* sysdeps/mach/hurd/dl-sysdep.c: Likewise.
2000-07-14 Mark Kettenis <kettenis@gnu.org>
* configure.in: Check for pwd binary.
* config.make.in: Add PWD_P to be subsituted.
* Makerules: Use $(PWD_P) instead of /bin/pwd.
2000-06-14 Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/sh/sh4/fpu/fclrexcpt.c: Remove definitions for backward
compatibility.
* sysdeps/sh/sh4/fpu/fegetenv.c: Likewise.
* sysdeps/sh/sh4/fpu/fesetenv.c: Likewise.
* sysdeps/sh/sh4/fpu/fraiseexcpt.c: Likewise.
* sysdeps/sh/sh4/fpu/fsetexcptflg.c: Likewise.
2000-06-14 Jakub Jelinek <jakub@redhat.com>
* include/libc-symbols.h (link_warning): If HAVE_SECTION_QUOTES is
defined, terminate quotes and read them after the comment char.
* configure.in (HAVE_SECTION_QUOTES): Test whether
__attribute__((section ("x"))) puts quotes around x or not.
* config.h.in (HAVE_SECTION_QUOTES): Add.
* configure: Rebuilt.
* configure.in: If --disable-shared was given, don't set VERSIONING,
don't define DO_VERSIONING, and don't give scare warning for no
versioning.
* configure: Regenerated.
* configure.in (PERL, INSTALL_INFO): Don't AC_SUBST these,
since AC_PATH_PROG already does it for us.
(PERL): Rewrite check added in 2000-02-29 change for syntactic
correctness and sh portability. I replaced the broken check
with a more sensible implementation of the apparently intended
semantics, which might still be questionable. Using expr causes
a non-numeric value for `perl -V:apiversion` to be accepted,
refusing to use only a perl that reports a number less than 5;
on my system, perl (5.004_04) -V:apiversion produces UNKNOWN.
* configure: Regenerated.
* configure.in: Compute sizeof-long-double.
* configure: Regenerated.
* config.make.in: Make sizeof-long-double available to sub-makes.
In libc/soft-fp/:
* soft-fp.h (_FP_ROUND_ZERO): Cast 0 to void before using it
as a statement.
* sysdeps/powerpc/Makefile (routines): New file.
* sysdeps/powerpc/q_*: New files.
2000-03-03 Geoff Keating <geoffk@cygnus.com>
* configure.in: Compute sizeof-long-double.
* configure: Regenerated.
* config.make.in: Make sizeof-long-double available to sub-makes.
2000-03-01 Andreas Jaeger <aj@suse.de>
* time/Makefile (tst-getdate-ENV): New flag to pass DATEMSK.
(tests): Added tst-getdate.
* time/tst-getdate.c: New file.
* time/datemsk: New file, needed for tst-getdate.
2000-02-28 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/start.c: Initialize __errno and add comment
explaining why. Remove K&R compatibility.
* sysdeps/powerpc/fpu/s_isnan.c: Avoid using asm statement to
declare aliases.
* sysdeps/powerpc/Makefile: Always pass flags to compile for ppc
and not rs6000.
[$(subdir)=misc] (sysdep_routines): Add gprsave0, gprrest0,
gprsave1 , and gprrest1.
Don't pass special flags to compiler for init and gmon-start if
this is no ELF platform.
* sysdeps/mach/hurd/bits/statfs.h: Define _STATFS_F_NAMELEN.
* sysdeps/unix/sysv/linux/bits/statfs.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/statfs.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/statfs.h: Likewise.
* sysdeps/posix/fpathconf.c: Don't unconditionally use f_namelen
in statfs. Check feature macro and use f_name_max or NAME_MAX
instead.
* sysdeps/posix/pathconf.c: Likewise.
* dlfcn/dlfcn.h: Remove DL_CALL_FCT definition here.
* sysdeps/generic/bits/dlfcn.h: Define DL_CALL_FCT here.
* sysdeps/mips/bits/dlfcn.h: Define DL_CALL_FCT here.
* iconv/skeleton.c: If DL_CALL_FCT is not yet defined, add dumy
definition here.
* sysdeps/generic/libc-start.c: Fix typo in comment.
* include/set-hooks.h: Allow systems to not define
symbol_set_define.
* configure.in: Unify machine names rs6000 and powerpc.
2000-02-11 Ulrich Drepper <drepper@redhat.com>
* stdio-common/printf-parse.h (parse_one_spec): Set wide elements.
* stdio-common/printf_fp.c: Truely support wide characater output.
Finally handle decimal points and thousands separator characters
correctly for multibyte output.
* stdio-common/printf_size.c: Likewise.
* sysdeps/generic/printf_fphex.c: Likewise.
* sysdeps/ieee754/ldbl-96/printf_fphex.c: Likewise.
* stdio-common/vfscanf.c: Implement I modifier for numbers to read
locale dependent digits.
* locale/C-monetary.c (_nl_C_LC_MONETARY): Change wide character
decimal point and thousands separator values to wide characters from
wide character strings.
* locale/C-numeric.c (_nl_C_LC_NUMERIC): Likewise.
* locale/indigitswc.h: Dereference wcdigits array elements.
2000-02-03 Jakub Jelinek <jakub@redhat.com>
* stdlib/canonicalize.c (canonicalize): Zero terminate
path to copy on error.
2000-02-01 Cristian Gafton <gafton@redhat.com>
* misc/syslog.c (closelog): Reset LogType to SOCK_DGRAM.
2000-01-31 Philip Blundell <philb@gnu.org>
* sysdeps/arm/fpu/fpu_control.h (_FPU_DEFAULT): Set the AC bit.
2000-01-31 Andreas Jaeger <aj@suse.de>
* intl/Makefile (generated): msgs.h is generated.
* localedata/Makefile (generated-dirs): Add de_DE.437.
2000-01-31 Jakub Jelinek <jakub@redhat.com>
* config.make.in: Allow default localedir to come from configure.
* configure.in: Export libc_cv_localedir.
* sysdeps/unix/sysv/linux/configure.in: For sparc64, put locale
stuff into $exec_prefix/lib/locale because it can be shared between
32bit and 64bit libraries.
* configure: Rebuilt.
* sysdeps/unix/sysv/linux/configure: Rebuilt.
2000-01-31 Andreas Jaeger <aj@suse.de>
* inet/tst-network.c: New file.
* inet/Makefile (tests): Add tst-network.
* inet/inet_net.c (inet_network): Don't overwrite memory or allow
to great last digits.
2000-01-29 Ulrich Drepper <drepper@redhat.com>
* locale/programs/ld-monetary.c (STR_ELEM_WC): Fix test for too
long string in definition.
* locale/programs/ld-numeric.c (STR_ELEM): Likewise.
* configure.in: Add check for recent enough sed version.
1999-12-03 Andreas Jaeger <aj@suse.de>
* nss/getXXbyYY.c: Include <resolv.h>
(FUNCTION_NAME): Use res_ninit instead of res_init.
* nss/getXXbyYY_r.c [NEED__RES]: Include <resolv.h> for _res
declaration and prototypes.
Remove extra _res declaration.
(INTERNAL): Use thread aware res_ninit function.
* inet/gethstbyad_r.c: Include <resolv.h>.
* resolv/res_data.c: Update from Bind 8.2.2-P5. Moved res_init to
res_libc.c. Disabled unneeded functions.
* resolv/res_libc.c: New file.
* Versions.def: Add version GLIBC_2.2 for libpthread.
Add versions GLIBC_2.1 and GLIBC_2.2 for libresolv.
* include/resolv.h: Add internal interfaces.
* resolv/Makefile (routines): Add new files.
(libresolv-routines): Likewise.
(distribute): Likewise.
* resolv/gethnamaddr.c: Use thread safe resolver functions.
* resolv/nss_dns/dns-host.c: Likewise.
* resolv/nss_dns/dns-network.c: Likewise.
* resolv/arpa/nameser.h: Update from Bind 8.2.2-P5.
* resolv/nsap_addr.c: Likewise.
* resolv/res_comp.c: Likewise.
* resolv/res_debug.c: Likewise.
* resolv/res_init.c: Likewise.
* resolv/res_mkquery.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/res_send.c: Likewise.
* resolv/resolv.h: Likewise.
* resolv/Versions: Add __res_state and __res_ninit with version
GLIBC_2.2 to libc.
Add new interfaces with version GLIBC_2.2 to libresolv.
* resolv/Banner: Update.
* include/arpa/nameser_compat.h: New file.
* resolv/ns_name.c: New file from Bind 8.2.2-P5.
* resolv/ns_netint.c: Likewise.
* resolv/ns_parse.c: Likewise.
* resolv/ns_print.c: Likewise.
* resolv/ns_samedomain.c: Likewise.
* resolv/ns_ttl.c: Likewise.
* resolv/arpa/nameser_compat.h: Likewise.
* resolv/res_debug.h: Likewise.
Some patches are based on work done by Adam D. Bradley
<artdodge@cs.bu.edu>.
* sysdeps/unix/sysv/linux/configure.in: Remove check for ldconfig,
set always use_ldconfig instead.
* sysdeps/ieee754/ldbl-96/s_nexttoward.c: If x == y, return y.
* sysdeps/ieee754/dbl-64/e_lgamma_r.c: Don't handle -Inf special.
* sysdeps/ieee754/dbl-64/e_gamma_r.c (__ieee754_gamma_r): Check
for -Inf and return NaN.
1999-10-04 Ulrich Drepper <drepper@cygnus.com>
* malloc/Makefile: Add rule to generate memprof script.
* malloc/memprof.sh: New file.
* elf/ldd.bash.in: Add "Usage: " in help message to comply with
GNU standard.
1999-10-03 Ulrich Drepper <drepper@cygnus.com>
* configure.in: Accept --with-gd option and set all libgd-LDFLAGS,
CFLAGS-memprofstat.c, and LIBGD variables.
* config.make.in: Add LIBGD.
* malloc/Makefile: Add rules to generate libmemprof.so and
memprofstat.
* malloc/memprof.c: New file.
* malloc/memprofstat.c: New file.
1999-09-20 Jean-Louis Martineau <martinea@IRO.UMontreal.CA>
* nis/nss_compat/compat-pwd.c (getpwuid_plusgroup): Correct
returned errno value in some cases.
1999-080-25 H.J. Lu <hjl@gnu.org>
* sysdeps/unix/sysv/linux/sys/raw.h (RAW_MAJOR): Added.
1999-09-08 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* manual/install.texi (Configuring and compiling): Mention GCC 2.95.
1999-09-08 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* configure.in: Fix make version test for make 3.77.95 and later
versions.
Based on a patch by Paul D. Smith <psmith@baynetworks.com>.
1999-09-10 Ulrich Drepper <drepper@cygnus.com>
* conform/conformtest.pl (@headers): Add search.h, sched.h, regex.h,
pwd.h, and pthread.h.
* conform/data/pthread.h-data: New file.
* conform/data/pwd.h-data: New file.
* conform/data/regex.h-data: New file.
* conform/data/sched.h-data: New file.
* conform/data/search.h-data: New file.
* NAMESPACE: Add REG_ for regex.h.
* locale/langinfo.h: Don't define YESSTR and NOSTR for XPG6 since
they are removed.
