* sysdeps/ieee754/ldbl-96/e_j1l.c: New file.
Contributed by Stephen L. Moshier <moshier@na-net.ornl.gov>.
* sysdeps/i386/fpu/libm-test-ulps: Adjust error values for j1 and y1.
* sysdeps/ia64/fpu/libm-test-ulps: Adjust error values for y1.
* math/libm-test.inc (j1_test): Mark constants as long double.
(jn_test): Likewise.
(y1_test): Likewise.
(yn_test): Likewise.
* sysdeps/i386/fpu/libm-test-ulps: Adjust for errors in y0l.
* math/libm-test.inc (j0_test): Make expected results long double
constants.
(y0_test): Likewise.
2000-12-21 H.J. Lu <hjl@gnu.org>
* sysdeps/ia64/fpu/math_ldbl.h (ieee_long_double_shape_type):
Make sign_exponent element signed.
* sysdeps/ieee754/ldbl-96/math_ldbl.h (ieee_long_double_shape_type):
Fix a typo.
* sysdeps/i386/fpu/s_nextafterl.c (__nextafterl): Remove dead branch.
2000-12-20 Ulrich Drepper <drepper@redhat.com>
* math/test-misc.c: Add more tests for nextafter functions.
* sysdeps/i386/fpu/s_nextafterl.c: Handle change from denormal to
normal correctly. Correct test for sign.
Based on a patch by HJ Lu.
* math/test-misc.c: Add more tests for nextafter.
* sysdeps/i386/fpu/s_nextafterl.c: Handle decrement for x<0 correctly.
* sysdeps/ieee754/ldbl-96/math_ldbl.h
(ieee_long_double_shape_type): Make sign_exponent element signed.
* sysdeps/i386/fpu/e_scalb.S: Handle NaN as first parameter correctly.
* sysdeps/i386/fpu/e_scalbf.S: Likewise.
* sysdeps/i386/fpu/e_scalbl.S: Likewise.
* math/w_scalb.c: Don't use matherr except in SVID mode.
* math/w_scalbf.c: Likewise.
* math/w_scalbl.c: Likewise.
* math/test-misc.c: Add test for NaN and scalbl.
Reported by Fred J. Tydeman <tydeman@tybor.com>.
2000-12-04 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/fpu/s_nextafterl.c (__nextafterl): Hopefully fix
the handling of denormalized numbers.
* math/test-misc.c (main): Test for fpclassify and pseudo denormal
numbers on x86.
* sysdeps/i386/fpu/fpclassifyl.c: New file.
* sysdeps/i386/ldbl2mpn.c (__mpn_extract_long_double): Handle the
pseudo denormal representation of LDBL_MIN.
* configure.in: Correct test for pserver CVS access.
2000-12-03 Ulrich Drepper <drepper@redhat.com>
* math/test-misc.c (main): Add tests for frexp.
Reported by Fred J. Tydeman <tydeman@tybor.com>.
* sysdeps/i386/fpu/s_frexpl.S: Don't overflow during the computation.
2000-11-28 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/fpu/libm-test-ulps: Adjust some values for the
crappy i486 FPU.
Reported by Michael Deutschmann <michael@talamasca.ocis.net>.
* string/bits/string2.h (strspn): Evaluate first argument if
second is "".
(strpbrk): Likewise.
* sysdeps/i386/i486/bits/string.h: Likewise.
* string/Makefile (tests): Add bug-strspn1 and bug-strpbrk1.
* string/bug-strspn1.c: New file.
* string/bug-strpbrk1.c: New file.
Test cases by Joseph S. Myers <jsm28@cam.ac.uk>.
* string/bits/string2.h (strncat): Terminate string correctly.
* sysdeps/i386/i486/bits/string.h (strncat): Likewise.
* string/Makefile (tests): Add bug-strncat1.
* string/bug-strncat1.c: New file.
Test case by Joseph S. Myers <jsm28@cam.ac.uk>.
2000-10-27 Ben Collins <bcollins@debian.org>
* sysdeps/generic/lockf.c (lockf): Set l_type to F_RDLCK before
calling for F_GETLK.
2000-10-29 Ulrich Drepper <drepper@redhat.com>
2000-10-19 H.J. Lu <hjl@gnu.org>
* elf/Makefile (distribute): Add neededtest.c, neededobj1.c,
neededobj2.c and neededobj3.c.
(tests): Add neededtest.
(modules-names): Add neededobj1, neededobj2 and neededobj3.
($(objpfx)neededobj1.so): New target.
($(objpfx)neededobj2.so): Likewise.
($(objpfx)neededobj3.so): Likewise.
($(objpfx)neededtest): Likewise.
($(objpfx)neededtest.out): Likewise.
* elf/neededtest.c: New. Based on the bug report from
Allen Bauer <kylix_rd@hotmail.com>.
* elf/neededobj1.c: Likewise.
* elf/neededobj2.c: Likewise.
* elf/neededobj3.c: Likewise.
2000-10-20 Ulrich Drepper <drepper@redhat.com>
* elf/dl-close.c (_dl_close): Decrement reference counter for all
dependencies even if the DSO does not get unloaded.
* elf/dl-load.c (_dl_map_object_from_fd): Pass pointer to ELF header
to elf_machine_matches_host.
* sysdeps/alpha/dl-machine.h (elf_machine_matches_host): Parameter
is now pointer to ELF header.
* sysdeps/arm/dl-machine.h: Likewise.
* sysdeps/generic/dl-machine.h: Likewise.
* sysdeps/hppa/dl-machine.h: Likewise.
* sysdeps/i386/dl-machine.h: Likewise.
* sysdeps/ia64/dl-machine.h: Likewise.
* sysdeps/m68k/dl-machine.h: Likewise.
* sysdeps/mips/dl-machine.h: Likewise.
* sysdeps/mips/mips64/dl-machine.h: Likewise.
* sysdeps/powerpc/dl-machine.h: Likewise.
* sysdeps/s390/dl-machine.h: Likewise.
* sysdeps/sh/dl-machine.h: Likewise.
* sysdeps/sparc/sparc32/dl-machine.h: Likewise.
* sysdeps/sparc/sparc64/dl-machine.h: Likewise.
Patch by Martin Schwidefsksy <schwidefsky@de.ibm.com>.
2000-10-20 Jakub Jelinek <jakub@redhat.com>
* include/limits.h: Include bits/wordsize.h, use #if __WORDSIZE == 64
check instead of #ifdef __alpha__.
* include/bits/xopen_lim.h (WORD_BIT, LONG_BIT): Don't count on
INT_MAX, __INT_MAX__, LONG_MAX or __LONG_MAX__ being defined when
this is included.
* posix/wordexp-tst.sh (testout): Place output file in build
directory. Patch by Joseph S. Myers <jsm28@cam.ac.uk>.
building with the default options.
2000-10-13 Geoffrey Keating <geoffk@cygnus.com>
* sysdeps/i386/fpu/libm-test-ulps: Update ULPs for my Pentium III
building with the default options.
2000-09-10 Ulrich Drepper <drepper@redhat.com>
* shlib-versions: Simplify libm entries. Correct a few Hurd entries.
* sysdeps/generic/initfini.c: Rewrite slightly to get rid of the
ugly GMON_WEAK_START hack.
Patch by Philip Blundell <philb@gnu.org>.
* sysdeps/i386/i486/bits/string.h: Pretty printing.
2000-09-06 Andreas Jaeger <aj@suse.de>
* sysdeps/alpha/soft-fp/Dist: New file.
* sysdeps/i386/soft-fp/Dist: New file.
* sysdeps/mips/mips64/soft-fp/Dist: New file.
* sysdeps/mips/soft-fp/Dist: New file.
* sysdeps/powerpc/soft-fp/Dist: New file.
* sysdeps/sparc/sparc32/soft-fp/Dist: New file.
* sysdeps/sparc/sparc64/soft-fp/Dist: New file.
* sysdeps/sparc/sparc64/soft-fp/Makefile [$(subdir) = soft-fp]:
Use sysdep_routines instead of routines to fix make dist failure.
* sysdeps/sparc/sparc32/soft-fp/Makefile: Likewise (in commented
out code).
* sysdeps/powerpc/soft-fp/Makefile [$(subdir) = soft-fp]: Likewise.
* sysdeps/mips/Makefile [$(subdir) = misc]: Use
sysdep_headers instead of headers for make dist.
* sysdeps/unix/sysv/linux/mips/Makefile [$(subdir) = misc]:
Likewise.
* stdlib/Makefile (headers): Add bits/wchar.h.
* sysdeps/unix/sysv/linux/i386/bits/wchar.h: New file.
* sysdeps/generic/bits/wchar.h: New file.
* sysdeps/generic/stdint.h: Include <bits/wchar.h>. Use values in this
file to define WCHAR_MIN and WCHAR_MAX.
Change UINT*8_MAX and UIN*16_MAX value to type int.
* wcsmbs/wchar.h: Include <bits/wchar.h>. Use values in this
file to define WCHAR_MIN and WCHAR_MAX.
* sysdeps/alpha/fpu/bits/mathdef.h: Make FP_ILOGB0 and FP_ILOGBNAN
int values.
* sysdeps/arm/fpu/bits/mathdef.h: Likewise.
* sysdeps/generic/bits/mathdef.h: Likewise.
* sysdeps/i386/fpu/bits/mathdef.h: Likewise.
* sysdeps/m68k/fpu/bits/mathdef.h: Likewise.
* sysdeps/powerpc/fpu/bits/mathdef.h: Likewise.
* sysdeps/sparc/fpu/bits/mathdef.h: Likewise.
* locale/locale.h (struct lconv): Add __ prefix to the new members
if not C99.
* sysdeps/generic/inttypes.h: Remove unnecessary imaxabs and
imaxdiv optimizations.
* sysdeps/wordsize-32/lldiv.c: Add hack to make alias work.
* sysdeps/wordsize-64/ldiv.c: Likewise.
* sysdeps/alpha/fpu/bits/fenv.h: Change type of FE_*_ENV macros to
const fenv_t*.
* sysdeps/generic/bits/fenv.h: Likewise.
* sysdeps/i386/fpu/bits/fenv.h: Likewise.
* sysdeps/ia64/bits/fenv.h: Likewise.
* sysdeps/m68k/fpu/bits/fenv.h: Likewise.
* sysdeps/mips/bits/fenv.h: Likewise.
* sysdeps/s390/fpu/bits/fenv.h: Likewise.
* sysdeps/sparc/fpu/bits/fenv.h: Likewise.
Reported by Joseph S. Myers <jsm28@cam.ac.uk>.
* catgets/open_catalog.c: Likewise.
chars actually scanned.
* sysdeps/i386/memcmp.S: Likewise.
* sysdeps/i386/stpncpy.S: Adjust high-bound check to
account for pointers that lie one beyond end-of-buffer.
2000-08-01 Mark Kettenis <kettenis@gnu.org>
* sysdeps/unix/sysv/linux/i386/sys/elf.h (elf_greg_t, ELF_NGREG,
elf_gregset_t, elf_fpregset_t, elf_fpxregset_t): Moved to
sysdeps/unix/sysv/linux/i386/sys/procfs.h.
Remove the junk that's only relevant in the Linux kernel itself.
Add a warning saying that this file is now obsolete, and include
<sys/procfs.h>.
* sysdeps/unix/sysv/linux/i386/sys/procfs.h (elf_greg_t,
ELF_NGREG, elf_gregset_t, elf_fpregset_t, elf_fpxregset_t): Moved
here from sysdeps/unix/sysv/linux/i386/sys/elf.h. Don't include
<signal.h>, <sys/ucontext.h> and <sys/elf.h>. Remove parts of
`struct elf_prstatus' that are #ifdef'ed out. Improve comments
and add the notice that the file is primarily there for GDB.
* sysdeps/unix/sysv/linux/i386/sys/user.h: Fix comment.
2000-08-09 Jakub Jelinek <jakub@redhat.com>
* time/tzfile.c (__tzfile_compute): __tzstring zones
from zone_names.
2000-08-09 Jakub Jelinek <jakub@redhat.com>
* resolv/resolv.h (__res_state): Surround prototype with
__BEGIN_DECLS/__END_DECLS.
* sysdeps/unix/sysv/linux/m68k/chown.c: Include kernel-features.h.
2000-08-04 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/bits/resource.h (__rlimit_resource):
Make independant of asm/resource.h from the Linux kernel.
2000-08-06 Bruno Haible <haible@clisp.cons.org>
* iconv/gconv_conf.c (__gconv_read_conf): Don't call realpath.
2000-08-06 Bruno Haible <haible@clisp.cons.org>
* intl/Makefile (CPPFLAGS): Remove $(i18ndir) from LOCALE_ALIAS_PATH.
* locale/Makefile (locale-CPPFLAGS): Likewise.
2000-08-09 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/fpu/libm-test-ulps: Increase several error values
for AMD processors.
2000-08-03 Jakub Jelinek <jakub@redhat.com>
* misc/Versions (mincore): Export at GLIBC_2.2.
2000-08-03 Bruno Haible <haible@clisp.cons.org>
* intl/libintl.h (gettext, dgettext, dcgettext): Add back __THROW.
frame pointer early so that we save caller's frame pointer.
* sysdeps/i386/elf/setjmp.S: Likewise.
* sysdeps/i386/setjmp.S (__sigsetjmp): Pop our
frame pointer early so that we save caller's frame pointer.
* sysdeps/i386/elf/setjmp.S: Likewise.
(profile_fixup): Don't define for __BOUNDED_POINTERS__.
* sysdeps/i386/dl-machine.h: Don't use regparm attribute for
__BOUNDED_POINTERS__.
(ELF_MACHINE_RUNTIME_TRAMPOLINE): Use non-regparm version
for __BOUNDED_POINTERS__.
* iconv/gconv_trans.c: Add #include <stdlib.h> to get malloc decl.
* elf/dl-runtime.c (fixup): Trampoline passes unbounded pointer.
(profile_fixup): Don't define for __BOUNDED_POINTERS__.
* sysdeps/i386/dl-machine.h: Don't use regparm attribute for
__BOUNDED_POINTERS__.
(ELF_MACHINE_RUNTIME_TRAMPOLINE): Use non-regparm version
for __BOUNDED_POINTERS__.
* crypt/md5-crypt.c (__md5_crypt_r): Clear arrays the key and salt
string got copied in.
Patch by Solar Designer <solar@false.com>.
2000-07-05 Andreas Jaeger <aj@suse.de>
* manual/install.texi (Installation): Update information about
add-ons.
(Configuring and compiling): Update for glibc 2.2.
2000-07-04 Andreas Jaeger <aj@suse.de>
* sysdeps/i386/fpu_control.h (_FPU_DEFAULT): Correct value.
(_FPU_IEEE): Likewise.
* math/Makefile (tests): Add test-fpucw.
* math/test-fpucw.c (main): New file.
2000-07-05 Ulrich Drepper <drepper@redhat.com>
2000-06-01 Jakub Jelinek <jakub@redhat.com>
* libc/sysdeps/alpha/fpu/bits/mathinline.h: Add __THROW to all
inlines to match prototypes in mathcalls.h.
* libc/sysdeps/i386/fpu/bits/mathinline.h: Likewise.
* libc/sysdeps/m68k/fpu/bits/mathinline.h: Likewise.
* libc/sysdeps/powerpc/fpu/bits/mathinline.h: Likewise.
* libc/sysdeps/sparc/fpu/bits/mathinline.h: Likewise.
* sysdeps/powerpc/dl-start.S: Close open comment.
2000-06-01 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/elf/setjmp.S: Work around change is recent
binutils. gas now emits a jump through the PLT instead of a
relative jump if the jump target is an exported symbol.
2000-05-22 Andreas Jaeger <aj@suse.de>
* math/Makefile: Add -D__FAST_MATH__ to CFLAGS-test-ifloat.c,
CFLAGS-test-idouble.c, CFLAGS-test-ildoubl.c.
* manual/math.texi (FP Function Optimizations): Document gcc
-ffast-math behaviour with mathinlines.
* sysdeps/i386/fpu/bits/mathinline.h: Only use save inline
functions unless -ffast-math is given to gcc.
2000-05-05 Ulrich Drepper <drepper@redhat.com>
* elf/dl-load.c (_dl_map_object_from_fd): Little of computation of
parameter to mprotect and for variable assignments.
2000-05-03 Jes Sorensen <jes@linuxcare.com>
* sysdeps/generic/ldsodefs.h (LOOKUP_VALUE_ADDRESS): Check the
validity of map before dereferencing it.
* elf/dl-reloc.c (RESOLVE_MAP): Define.
2000-05-02 Jes Sorensen <jes@linuxcare.com>
* elf/dl-runtime.c (fixup): Add the value returned in the symbol
lookup to the arguments to elf_machine_fixup_plt().
* sysdeps/ia64/dl-machine.h (elf_machine_fixup_plt): Add Link_map
of the symbol being resolved to input argument list and make the
function return the pointer to the reloc.
* sysdeps/alpha/dl-machine.h (elf_machine_fixup_plt): Change
return valuie to lookup_t and return the value.
* sysdeps/arm/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/generic/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/i386/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/m68k/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_fixup_plt): Likewise.
* sysdeps/powerpc/dl-machine.h (elf_machine_fixup_plt): Likewise.
Make it an inline function returning value after calling
__elf_machine_fixup_plt().
* elf/dl-sym.c (_dl_vsym): Use DL_SYMBOL_ADDRESS() to obtain the
symbol address.
* elf/dl-symbol.c (_dl_symbol_value): Use LOOKUP_VALUE_ADDRESS to
obtain the symbol address.
* sysdeps/generic/ldsodefs.h: Add generic DL_SYMBOL_ADDRESS() macro
depending on the definition of ELF_FUNCTION_PTR_IS_SPECIAL.
* sysdeps/ia64/dl-machine.h: Add DL_SYMBOL_ADDRESS() macro calling
_dl_symbol_address() - this way DL_SYMBOL_ADDRESS() turns into an
inline on non ia64.
2000-04-28 Jes Sorensen <jes@linuxcare.com>
* elf/dl-runtime.c (fixup): Use the portable macros to get the
symbol address of an object.
* elf/dl-runtime.c (fixup-profile): Use the portable macros to get
the symbol address of an object.
* elf/dl-libc.c (struct do_dlsym_args): Change loadbase to a lookup_t.
* elf/dl-lookup.c (_dl_lookup_symbol): Likewise.
(_dl_lookup_symbol_skip): Likewise.
(_dl_lookup_versioned_symbol): Likewise.
(_dl_lookup_versioned_symbol_skip): Likewise.
2000-04-27 Jes Sorensen <jes@linuxcare.com>
* elf/rtld.c (_dl_start): Get the function pointer return address
via _dl_start_address for architectures that need a function
pointer descriptor rather than just a pointer (ia64).
* sysdeps/generic/dl-lookupcfg.h: New file.
* sysdeps/ia64/dl-lookupcfg.h: New file.
* sysdeps/ia64/dl-machine.h: New file.
* sysdeps/ia64/dl-symaddr.c: New file.
* sysdeps/ia64/dl-fptr.c: New file.
* elf/elf.h: Add IA-64 specific definitions.
2000-04-27 Ulrich Drepper <drepper@redhat.com>
* elf/soinit.c (__libc_global_ctors): Call __pthread_initialize_minimal
if this function is available.
* sysdeps/i386/i486/atomicity.h (exchange_and_add): Use uint32_t for
all values.
<haible@clisp.cons.org>.
here, before we might move the stack.
(posixland_init): Set __libc_argc, __libc_argc, and __environ here.
(init1): And not here.
* sysdeps/i386/dl-machine.h (RTLD_START): Fix code broken by last
change, to restore argc value in call-clobbered register after
RTLD_START_SPECIAL_INIT, which will contain a call.
* elf/dl-deps.c (_dl_map_object_deps): Fix size calculations for
allocating and initializing L->l_initfini.
* resolv/Makefile (headers): Add bits/netdb.h, so it gets installed.
(init1): Don't initialize __environ here, since init already does it.
(first_init): New function, broken out of _init.
(_hurd_stack_setup): Use it.
[SHARED] (_dl_init_first): New function, renamed from old _init.
(init1) [SHARED]: Don't call posixland_init here.
(posixland_init): Take ENVP arg, so signature is usual for initializer.
[SHARED] (_init): Define as alias for posixland_init.
[! SHARED] (__libc_first_init): Define as alias for posixland_init.
* sysdeps/i386/dl-machine.h (RTLD_START): Insert the macro
RTLD_START_SPECIAL_INIT before calling initializers.
(RTLD_START_SPECIAL_INIT): Define to empty if undefined.
* sysdeps/mach/hurd/i386/dl-machine.h: New file.
* sysdeps/mach/hurd/dl-sysdep.c (_dl_init_first): New weak function.
* elf/Versions ({libc,ld.so}: GLIBC_2.2): Add _dl_init_first.
2000-03-31 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/dl-machine.h (RTLD_START): Optimize for i686.
* elf/dl-support.c: Define _dl_starting_up.
* elf/dl-init.c (_dl_init): Clear _dl_starting_up at end of function.
* misc/sys/cdefs.h: Don't allow gcc in traditional mode to be used.
elements.
* elf/dl-init.c (_dl_init): Clear _dl_starting_up at end of
with size of dynamic sectionfunction.
* sysdeps/i386/dl-machine.h: Remove code to clear _dl_starting_up.
* misc/sys/cdefs.h: Don't allow gcc in traditional mode to be
with size of dynamic sectionused.
2000-03-30 Ulrich Drepper <drepper@redhat.com>
Implement dynamic determination of constructor/destructor order in
the dynamic linker.
* elf/Versions [ld.so] (GLIBC_2.0): Remove _dl_init_next.
(GLIBC_2.2): Add _dl_init.
* elf/dl-close.c: Also call all destructors in FINI_ARRAY.
r_duplist is not anymore allocated separately. l_initfini is and
therefore free it if necessary.
* elf/dl-deps.c: If a searchlist has to be allocated, put all in one
malloc block. Otherwise allocate l_initfini list only.
Put dependencies for the object in l_initfini list.
Sort dependencies for the object to be loaded topologically.
* elf/dl-fini.c: Before running the destructors sort the topologically.
* elf/dl-init.c (_dl_init): Renamed from _dl_init_next. Rewrite to
call constructors instead of iterating over the pointers. Get list of
objects for which to run constructors from l_initfini element. Accept
argc, argv, and env as parameters and pass them to the constructors.
* elf/ld-load.c (_dl_map_object_from_fd): Initialize l_ldnum member
with size of dynamic section.
* elf/dl-open.c (dl_open_worker): Only call _dl_init instead of
_dl_init_next and calling constructors ourself.
* elf/dl-preinit.c (_dl_preinit): Renamed from _dl_preinit_next.
Take argc, argv, and env as parameters and pass them to the
constructors. Rewrite to call all constructors and not iterate over
the pointers.
* elf/dynamic-link.h: Don't relocate DT_FINI_ARRAY entry. Don't
precompute l_initcount and l_preinitcount.
* elf/link.h (struct link_map): Add l_ldnum member.
Make l_phdr_allocated part of the bitfield. Remove l_runcount,
l_initcount, and l_preinitcount. Add l_initfini.
* sysdeps/generic/ldsodefs.h: Replace _dl_init_next prototype with
one for _dl_init.
* sysdeps/i386/dl-machine (RTLD_START): Rewrite to match new init
function interface.
* sysdeps/unix/sysv/linux/init-first.h: Removed.
* sysdeps/unix/sysv/linux/Dist: Delete file here as well.
* sysdeps/unix/sysv/linux/init-first.c [PIC]: Don't use
SYSDEP_CALL_INIT. Make _init a strong alias of init. The calling
conventions now match.
* sysdeps/generic/libc-start.c: Calling __libc_init_first has no
effect for shared objects. Don't emit message and call only for
static library.
2000-03-07 Andreas Jaeger <aj@suse.de>
* resolv/netdb.h: The descriptions of rresvport and rresvport_af
were swapped.
Patch by YOSHIFUJI Hideaki <yoshfuji@ecei.tohoku.ac.jp>, closes PR
libc/1636.
* sysdeps/i386/fpu/bits/mathinline.h: Fix union definition error
in __sgn1l, otherwise g++ fails to parse this.
Reported by Sean Chen <sean.chen@turbolinux.com>.