2003-05-08 Ulrich Drepper <drepper@redhat.com>
* malloc/thread-m.h: Remove special handling of thread_atfork if
HAVE_register_atfork_malloc is defined.
* sysdeps/generic/enbl-secure.c (__libc_enable_secure_decided): New
variable.
(__libc_init_secure): Don't do anything if __libc_enable_secure_decided
is nonzero.
* include/unistd.h: Declare __libc_enable_secure_decided.
* elf/dl-support.c (_dl_aux_init): Recognize AT_UID, AT_EUID, AT_GID,
and AT_EGID. If all found, set __libc_enable_secure and
__libc_enable_secure_decided.
($(common-objpfx)%.make): Depend on that instead of $(before-compile).
($(common-objpfx)%.h $(common-objpfx)%.h.d): Likewise. Move this rule
to after all setting of before-compile.
* sunrpc/Makefile (generated-dirs): New variable.
* resolv/Makefile (generated): New variable.
pattern rule. The implicit rule could be ruled out when $(objpfx)
didn't exist at the time of its consideration (ugh!).
* Makerules (+make-deps): Fix target matching.
Use $(sed-remove-dotdot).
2003-04-22 Roland McGrath <roland@redhat.com>
* elf/elf.h (AT_SYSINFO_EHDR): New macro, replaces AT_SYSINFO_EH_FRAME.
* sysdeps/generic/ldsodefs.h (struct rtld_global): Remove
dl_sysinfo_eh_frame member, add dl_sysinfo_dso member instead.
* elf/dl-support.c: Update defn.
* sysdeps/generic/libc-start.c: Don't call __register_frame_info_bases.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start) [NEED_DL_SYSINFO]:
Set GL(dl_sysinfo_dso) from AT_SYSINFO_EHDR.
(_dl_show_auxv): Grok AT_SYSINFO_EHDR, not AT_SYSINFO_EH_FRAME.
* elf/rtld.c (dl_main) [NEED_DL_SYSINFO]: If GL(dl_sysinfo_dso) is
set, set up a link_map for the preloaded, prelinked object.
2003-05-02 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/dl-fptr.c: Put back one optimization from the
original patch. Use non-exported symbols. Mark translatable
strings. Pretty printing.
* sysdeps/unix/sysv/linux/i386/bp-thunks.h: Likewise.
* sysdeps/unix/sysv/linux/Makefile ($(objpfx)syscall-%.h):
Use $(make-target-directory).
* sysdeps/unix/Makefile ($(objpfx)stub-syscalls.c): Likewise.
* Makerules (compile-mkdep-flags): New variable, pass -MD -MF $@.d.
(compile-command.S): Don't use ifndef. Append $(compile-mkdep-flags).
(compile-command.s, compile-command.c): Likewise.
($(objpfx)%.d): All such pattern rules removed.
($(+sysdir_pfx)sysd-rules): Don't generate them.
($(common-objpfx)dummy.d): Target removed.
(make-dummy-dep): Variable removed.
(generate-md5): Likewise.
(%.d: %.dt): New pattern rule.
(+depfiles): Use $(wildcard) function to get just existing *.d files
and .d files for existing *.dt files.
(common-clean): Remove all *.d and *.dt files.
(before-compile): Add $(objpfx). when it doesn't exist,
regardless of $(no_deps).
* elf/rtld-Rules ($(objpfx)rtld-%.d): All such pattern rules removed.
(rtld-depfiles): Use .os.d instead of .d names.
Include existing *.d files and .d files for existing *.dt files.
* Makerules ($(common-objpfx)%.make): Protect with [! subdir].
Use -MD, -MT and -MF flags instead of SUNPRO_DEPENDENCIES variable.
* sysdeps/unix/Makefile ($(common-objpfx)s-%.d): Remove compat.h hack.
Do s-*.d includes only if we have some syscall routines in this subdir.
* include/libc-symbols.h (libc_freeres_ptr): Use %nobits instead of
@nobits. The former is accepted by gas on any ELF platform.
2003-04-30 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/x86_64/sys/debugreg.h
(DR_CONTROL_RESERVED): Use correct value for 64-bit.
Reported by Andrew Derrick Balsa <andrebalsa@mailingaddress.org>.
Add bi-arch support.
Just don't complain about missing it under --without-cvs.
* configure: Regenerated.
* include/libc-symbols.h (__symbol_set_attribute): New macro,
give hidden for [SHARED] and weak for [! SHARED].
(symbol_set_declare): Use that. Never need weak_extern these days.
* Makerules ($(common-objpfx)shlib.lds): Go back to using PROVIDE.
Depend on $(..)Makerules.
2003-04-29 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/fpu/Makefile: New file.
* sysdeps/i386/fpu/fedisblxcpt.c: Also set SSE control word.
* sysdeps/i386/fpu/feenablxcpt.c: Likewise.
* sysdeps/i386/fpu/feholdexcpt.c: Likewise.
* sysdeps/i386/fpu/fesetround.c: Also set SSE rounding mode
[PR libc/4987].
* nscd/connections.c (client_queued): New variable.
(nscd_run): Revamp the loop. Don't call poll except for cleanup
threads. Keep track of the number of delays caused because of busy
worker threads.
* nscd/nscd.h: Declare client_queued.
* nscd/nscd_stat.c: Transmit and print client_queued information.
2003-04-27 Ulrich Drepper <drepper@redhat.com>
* Makerules ($(common-objpfx)shlib.lds): Don't use PROVIDE to
define __start_libc_freeres_ptrs and __stop___libc_freeres_ptrs.
(common-generated): Add it.
(build-shlib, build-module): Use that instead of generating every time.
($(common-objpfx)libc.so): Depend on it.
(lib%.so rule): Likewise.
(build-module-helper-objlist): Remove %.lds.
* iconvdata/extra-module.mk ($(objpfx)$(mod).so):
Depend on $(common-objpfx)shlib.lds.
* dlfcn/Makefile ($(test-modules)): Likewise.
* nscd/cache.c (cache_search): Keep track of how many chain links
we searched and update table statistics.
(cache_add): Keep track of how many values are in the table.
(prune_cache): Likewise. Keep track of locking success.
Print messages about removed entries in separate pass.
* nscd/connections.c (handle_request): Don't print debug message here.
The caller will do it. Keep track of locking success.
(nscd_run): Print debug message. Also print PID of the client process.
* nscd/nscd.c (start_time): New variable.
(main): Remember start time.
* nscd/nscd.h: Declare start_time.
(struct database): Add more members for new statistics.
* nscd/nscd_stat.c: Add support for sending, receiving, and printing
of new statistics.
* nis/ypclnt.c (__yp_bind): Expect ypdb parameter to always we !=
NULL. Remove code made redundant by this assumption.
(__yp_unbind): Add call to free. Adjust all callers.
2003-04-23 Ulrich Drepper <drepper@redhat.com>
* grp/initgroups.c (getgrouplist): Don't copy too much into the
user buffer if more groups are found than fit into it.
* nis/nss_nis/nis-initgroups.c (_nss_nis_initgroups_dyn): Use
extend_alloca.
2003-04-22 Ulrich Drepper <drepper@redhat.com>
* nscd/nscd-client.h: Add declaration for __nscd_open_socket.
* nscd/nscd_gethst_r.c (__nscd_open_socket): Renamed from
open_socket. Not static anymore.
(nscd_gethst_r): Use __nscd_open_socket.
* nscd/nscd_getgr_r.c (open_socket): Removed.
(nscd_getgr_r): Use __nscd_open_socket.
* nscd/nscd_getpw_r.c (open_socket): Removed.
(nscd_getpw_r): Use __nscd_open_socket.
* nscd/nscd.c (main): Change type of fdn to long int and use strtol.
* nscd/connections.c (handle_request): Add cast to avoid warning.
* sysdeps/unix/sysv/linux/Makefile: Remove db2 directory handling.
* malloc/Makefile (CFLAGS-malloc.c): Define DEFAULT_TOP_PAD to 128k.
* sysdeps/unix/sysv/linux/Makefile (CFLAGS-malloc.c): Add to, not
replace.
2003-04-16 Jakub Jelinek <jakub@redhat.com>
* elf/Makefile (distribute): Add tst-tlsmod{[7-9],1[0-2]}.c and
tst-tls10.h.
(tests): Add tst-tls1[0-2].
(modules-names): Add tst-tlsmod{[7-8],1[0-2]}.
($(objpfx)tst-tlsmod8.so): Depend on tst-tlsmod7.so.
($(objpfx)tst-tlsmod10.so): Depend on tst-tlsmod9.so.
($(objpfx)tst-tlsmod12.so): Depend on tst-tlsmod11.so.
($(objpfx)tst-tls10): Depend on tst-tlsmod8.so.
($(objpfx)tst-tls11): Depend on tst-tlsmod10.so.
($(objpfx)tst-tls12): Depend on tst-tlsmod12.so.
* elf/tst-tls10.c: New test.
* elf/tst-tls11.c: New test.
* elf/tst-tls12.c: New test.
* elf/tst-tls10.h: New file.
* elf/tst-tlsmod7.c: New file.
* elf/tst-tlsmod8.c: New file.
* elf/tst-tlsmod9.c: New file.
* elf/tst-tlsmod10.c: New file.
* elf/tst-tlsmod11.c: New file.
* elf/tst-tlsmod12.c: New file.
2003-04-15 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/bits/atomic.h: Moved ppc32/64 specific code to ...
* sysdeps/powerpc/powerpc32/bits/atomic.h: New file.
* sysdeps/powerpc/powerpc64/bits/atomic.h: New file.
* posix/regex.h: Include <sys/types.h>.
* sysdeps/unix/sysv/linux/system.c: If compiled without threads
don't do anything fancy.
* sysdeps/generic/bits/libc-lock.h: Define
__rtld_lock_define_initialized_recursive.
* sysdeps/unix/sysv/linux/ifaddrs.c (getifaddrs): Check lengths
before copying. This might leave holes in the list. Adjust
pointers if necessary.
(netlink_receive): Allocate only one block.
(free_netlink_handle): Adjust appropriately.
(getifaddrs): Lots of cleanups.
2003-04-15 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/powerpc64/strcmp.S: Convert to full 64-bit.
* sysdeps/powerpc/powerpc64/strcpy.S: Likewise.
2003-04-15 Jakub Jelinek <jakub@redhat.com>
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela): Avoid
checking R_PPC_RELATIVE, R_PPC_NONE and whether relocation is
against local symbol in conflict processing.
2003-04-13 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/unix/sysv/linux/mips/profil-counter: New.
* sysdeps/unix/sysv/linux/mips/sigcontextinfo.h: Port to n32/n64.
* sysdeps/unix/sysv/linux/mips/bits/sigcontext.h: New.
* sysdeps/unix/sysv/linux/mips/sys/ucontext.h: Port to n32/n64.
(mcontext_t): Make it match the 32-bit mips kernel in o32.
* sysdeps/unix/sysv/linux/mips/sys/user.h: Bring in constants from
the mips and mips64 headers.
(struct user): Port to n32/n64.
2003-04-11 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/libc-start.c: Cleanup MAIN_AUXVEC_ARG handling.
Remove HAVE_CANCELBUF code. Replace with code using the new
initializers for unwind-based cleanup handling.
* sysdeps/generic/unwind.h: Update from latest gcc version.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Define labels in a few
places to allow unwind data generation.
* sysdeps/i386/bits/setjmp.h: Allow file to be included multiple times.
* sysdeps/x86_64/bits/setjmp.h: Likewise.
* sysdeps/sh/bits/setjmp.h: Likewise.
* sysdeps/powerpc/bits/setjmp.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/setjmp.h: Likewise.
* sysdeps/alpha/bits/setjmp.h: Likewise.
has been promoted to wordsize if the ABI requires caller to do so.
* string/test-strncmp.c (do_random_tests): Likewise.
* string/test-memcmp.c (do_random_tests): Likewise.
* sysdeps/powerpc/powerpc64/strcmp.S (strcmp): Sign extend rRTN
before returning.
2003-04-08 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/mips/sys/regdef.h (t4,t5,t6,t7): Renamed to t0..t3 on
NewABI.
(ta0, ta1, ta2, ta3): Defined to t4..t7 on o32, and a4..a7 on
NewABI.
* sysdeps/mips/mips64/memcpy.S: Adjust register naming
conventions.
* sysdeps/mips/mips64/memset.S: Likewise.
* sysdeps/unix/mips/sysdep.S (__syscall_error) [_LIBC_REENTRANT]:
Use t0 instead of t4 as temporary.
2003-04-05 Roland McGrath <roland@redhat.com>
* sysdeps/unix/sysv/linux/i386/setcontext.S: Rewrite to avoid writing
below the stack pointer even if switching to the same context we are
running right now.
* catgets/gencat.c (read_input_file): Make sure that \n is not
alone on the line before testing for continuation.
* math/test-tgmath.c (compile_test): Initialize c.
2003-04-05 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/unix/sysv/linux/mips/mips64/n32/ftruncate64.c: New.
* sysdeps/unix/sysv/linux/mips/mips64/n32/truncate64.c: New.
* sysdeps/unix/sysv/linux/kernel-features.h: fcntl64 is available
on mips n32.
* sysdeps/unix/sysv/linux/mips/kernel_stat.h: Explain why
XSTAT_IS_XSTAT64 must not be used for mips n64. Use 64-bit data
structure on n32 as well.
* sysdeps/unix/sysv/linux/mips/bits/stat.h: Use POSIX-compliant
data types on n32 and n64.
2003-04-05 Ulrich Drepper <drepper@redhat.com>
* malloc/thread-m.h [PTHREAD_MUTEX_INITIALIZER]: If
HAVE_register_atfork_malloc is defined use __register_atfork_malloc
instead of __register_atfork.
2003-04-03 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/getsysstats.c (get_proc_path): Reverse test
for atomic_compare_and_exchange_bool_acq failure.
for ".set" assembler support.
* configure: Regenerated.
2003-03-31 Roland McGrath <roland@redhat.com>
* signal/tst-sigset.c: New file.
* signal/Makefile (tests): Add it.
2003-03-31 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/alpha/bits/signum.h (_NSIG): Define to 65.
* sysdeps/unix/sysv/linux/hppa/bits/signum.h (_NSIG): Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/signum.h (_NSIG): Likewise.
* sysdeps/unix/sysv/linux/bits/signum.h (_NSIG): Likewise.
(__SIGRTMAX): Adjust accordingly.
* sysdeps/gnu/siglist.c: If OLD2_SIGLIST_SIZE is defined define
second compatibility symbol set.
* sysdeps/unix/sysv/linux/siglist.h (OLD2_SIGLIST_SIZE): Define.
* intl/po2test.sed: Unify the transformations for msgid and msgstr
and remove a useless s/// command.
2003-03-27 David Mosberger <davidm@hpl.hp.com>
* sysdeps/ia64/dl-machine.h (RTLD_START): Wrap ".save rp, r0"
directive into empty .prologue region to ensure that call-chain
is terminated even for the first instruction.
* sysdeps/ia64/elf/start.S (_start): Use ".save rp, r0" idiom
to terminate call-chain right from the get-go.
* sysdeps/unix/sysv/linux/ia64/fork.S (fork): Remove unnecessary
stop bit between compare & branch.
2003-03-29 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/ifaddrs.c (getifaddrs): Avoid
netlink_open calls if netlink is known to not be available.
libname_regexp when parsing names, then produce output only
for those matching the given regexps. In combine mode, save all
stanzas for a final sorting by stanza header at the end.
Emit a blank line between stanzas.
Ignore exit status from diff.
* configure.in (enable_check_abi): Document possible value "warn".
Change default to no for now.
* configure: Regenerated.
* sysdeps/unix/Makefile ($(objpfx)stub-syscalls.c): Emit stub_warning
macro calls and a #include <stub-tag.h> at the end.
* Makerules ($(objpfx)stubs): Tweak sed commands.
* sysdeps/unix/sysv/linux/syscalls.list: Use - rather than EXTRA in
caller column for *xattr syscalls, since they are in sysdeps/generic.
* sysdeps/unix/sysv/linux/i386/setfsuid.c: setfsgid -> setfsuid
* sysdeps/unix/sysv/linux/i386/setfsgid.c: setfsuid -> setfsgid
2003-03-26 Roland McGrath <roland@redhat.com>
* Makerules (check-abi-config): Use /thread instead of /tls when
use-thread and not just use-tls is set.
* Makerules (update-abi): Put quotes around $(update-abi-config).
* elf/Makefile (check-abi): Depend on check-abi-ld.
(update-abi): Depend on update-abi-ld.
2003-03-26 GOTO Masanori <gotom@debian.or.jp>
* sysdeps/unix/sysv/linux/i386/setfsuid.c: Use INTERNAL_SYSCALL and
do not check for errors (unless testing for 32bit variant).
* sysdeps/unix/sysv/linux/i386/setfsgid.c: Likewise.
2003-03-26 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/ldsodefs.h (ELF_RTYPE_CLASS_COPY): Define to 2
only if DL_NO_COPY_RELOCS is not defined.
* sysdeps/ia64/dl-lookupcfg.h: Define DL_NO_COPY_RELOCS.
SOURCE=-, append its symbol names to make variable unix-stub-syscalls.
* sysdeps/unix/Makefile [$(subdir) = misc] [unix-stub-syscalls]
(sysdep_routines): Add stub-syscalls.
($(objpfx)stub-syscalls.c): New target.
(generated): Add stub-syscalls.c.
* tls.make.c: Also define use-tls according to USE_TLS macro.
atomic_compare_and_exchange_val_acq, atomic_add_zero,
atomic_compare_and_exchange_bool_acq and atomic_add_negative tests.
* include/atomic.h (atomic_add_negative, atomic_add_zero):
Prefix local variable so that it doesn't clash with the one
in atomic_exchange_and_add.
* sysdeps/ia64/bits/atomic.h (atomic_exchange): Fix for long/void *
pointers.
(atomic_exchange_and_add): Implement using __sync_fetch_and_add_?i.
* sysdeps/powerpc/bits/atomic.h (atomic_exchange_and_add): Force
value into register.
* sysdeps/s390/bits/atomic.h (__arch_compare_and_exchange_val_64_acq):
Cast newval to long.
* sysdeps/x86_64/bits/atomic.h
(__arch_compare_and_exchange_val_64_acq): Cast newval and oldval to
long.
(atomic_exchange): Cast newvalue to long if sizeof == 8.
(atomic_exchange_and_add): Cast value to long if sizeof == 8.
(atomic_add, atomic_add_negative, atomic_add_zero): Likewise.
(atomic_bit_set): Shift 1L up in all cases to shut up warnings.
bit from backtrace addresses.
2003-03-21 Andreas Schwab <schwab@suse.de>
* sysdeps/unix/sysv/linux/i386/chown.c: Don't define any versioned
__chown symbols.
(__arch_atomic_exchange_64): New macro.
(atomic_exchange): Use them.
(__arch_atomic_exchange_and_add_32): New macro.
(__arch_atomic_exchange_and_add_64): New macro.
(atomic_exchange_and_add): Use them.
Original patch from Steven Munroe <sjmunroe@us.ibm.com>.
2003-03-25 Alexandre Oliva <aoliva@redhat.com>
* sysdeps/mips/sgidefs.h (_MIPS_ISA_MIPS32, _MIPS_ISA_MIPS64):
Define.
* sysdeps/mips/sys/asm.h: Test _MIPS_ISA against them on all
ISA tests.
(ALSZ, ALMASK, SZREG, REG_S, REG_L): Define based on ABI, not ISA.
(PTR_ADD, etc): Test _MIPS_SZPTR instead of _MIPS_SZLONG.
* sysdeps/unix/sysv/linux/mips/bits/sigaction.h: Use _MIPS_SZPTR
to decide whether to add padding.
* sysdeps/unix/sysv/linux/mips/bits/sigaction.h: Use _MIPS_SZPTR
to decide whether to add padding.
* sysdeps/unix/sysv/linux/mips/kernel_sigaction.h (struct
old_kernel_sigaction): Likewise.
2003-03-25 Ulrich Drepper <drepper@redhat.com>
* csu/tst-atomic.c: Adjust tests to what atomic_add_negative and
atomic_add_zero were supposed to do.
* include/atomic.h: Adjust atomic_add_negative and atomic_add_zero
to x86 behavior.
* sysdeps/generic/bits/typesizes.h (__TIMER_T_TYPE): Define as void*.
This matches the new timer implementation.
* sysdeps/unix/sysv/linux/bits/siginfo.h (struct siginfo): Adjust
timer info for what the kernel provides these days.
(struct sigevent): Add _tid field.
Define SIGEV_THREAD_ID.
* Versions.def (librt): Add GLIBC_2.3.3.
* abilist/libpthread.abilist: Update for nptl.
(__atomic_val_bysize, __atomic_bool_bysize): New macros.
(atomic_compare_and_exchange_val_acq): Use it.
(atomic_compare_and_exchange_bool_acq): Likewise.
(atomic_increment_and_test): Invert sense of test.
(atomic_decrement_and_test): Likewise.
* csu/tst-atomic.c: Update those tests to match.
Add comment.
(atomic_decrement_and_test): Add comment.
2003-03-22 Jakub Jelinek <jakub@redhat.com>
* include/atomic.h (atomic_compare_and_exchange_val_acq): Add comment.
Don't define if __arch_compare_and_exchange_val_32_acq is not defined.
(atomic_compare_and_exchange_bool_acq): Add comment. Don't use
__oldval variable in the macro, since it might be macro argument.
(atomic_decrement_if_positive): Initialize __memp, remove setting
of non-existent variable.
(atomic_bit_test_set): Cast 1 to __typeof (*mem) before shifting.
* sysdeps/ia64/bits/atomic.h (atomic_exchange_and_add): Implement
using atomic_compare_and_exchange_val_acq.
(atomic_decrement_if_positive, atomic_bit_test_set): Define.
* sysdeps/s390/bits/atomic.h (__arch_compare_and_exchange_val_8_acq):
Renamed from...
(__arch_compare_and_exchange_bool_8_acq): ... this.
(__arch_compare_and_exchange_val_16_acq): Renamed from...
(__arch_compare_and_exchange_bool_16_acq): ... this.
(__arch_compare_and_exchange_val_32_acq): Return old value. Renamed
from...
(__arch_compare_and_exchange_bool_32_acq): ... this.
(__arch_compare_and_exchange_val_64_acq): Return old value. Renamed
from...
(__arch_compare_and_exchange_bool_64_acq): ... this.
(__arch_compare_and_exchange_val_32_acq): Use __typeof for local
variables types instead of assuming int.
Change prefix of local variables to __arch.
* sysdeps/generic/bits/atomic.h (arch_compare_and_exchange_acq):
Remove.
(atomic_compare_and_exchange_val_acq,
atomic_compare_and_exchange_bool_acq): Define.
* csu/tst-atomic.c: New test.
* csu/tst-atomic-long.c: New test.
* csu/Makefile (tests): Add tst-atomic and tst-atomic-long.
* malloc/memusagestat.c (main): Kill warning if uint64_t is ulong.
* sysdeps/s390/Versions: Add trailing newline.
* sysdeps/unix/sysv/linux/sysconf.c (__sysconf): Kill warning
if INTERNAL_SYSCALL_ERROR_P doesn't use its first argument.
constraint to permit non-constant BIT argument.
(atomic_bit_test_set): Likewise.
* sysdeps/x86_64/bits/atomic.h (atomic_bit_test_set): Likewise.
(atomic_bit_set): Likewise. Use 1UL in case that BIT might be >= 32.
For quadword case, use "i" constraint if __builtin_constant_p and < 32
or "r" constraint otherwise.
* configure.in: Move AC_PROG_CC and other program-finding before all
the version checks.
* configure: Regenerated.
(__arch_compare_and_exchange_val_64_acq): Rewrite abort-calling
version of the macro to avoid compile-time warnings.
[! __PIC__] (__arch_compare_and_exchange_64_acq): Rename to above.
(__arch_compare_and_exchange_bool_64_acq): New macro.
(atomic_exchange_and_add, atomic_add): Fix name and usage of it.
(atomic_increment, atomic_decrement): Likewise.
