binutils-gdb/gdb/gnulib/import/float.c
Sergio Durigan Junior 5e8754f90a Revert "Update gnulib to current upstream master"
This reverts commit 7a6dbc2fdb ("Update
gnulib to current upstream master").  It is needed because the gnulib
update caused problems with people using old GCC compilers (version
4.8, for example), which support C99 but don't default to using it.
Unfortunately this broke GDB for these users.  A more detailed report
of what happened can be found at:

  https://lists.gnu.org/archive/html/bug-gnulib/2018-08/msg00157.html

The reason for updating our gnulib copy was to fix PR gdb/23558.
Reverting this patch reintroduces the bug, so in order to fix it I
will submit a subsequent patch which cherry-picks the fix from gnulib.

gdb/ChangeLog:
2018-09-10  Sergio Durigan Junior  <sergiodj@redhat.com>

	Revert:
	2018-08-29  Sergio Durigan Junior  <sergiodj@redhat.com>

	PR gdb/23555
	PR gdb/23558
	* gnulib/aclocal.m4: Regenerate.
	* gnulib/config.in: Regenerate.
	* gnulib/configure: Regenerate.
	* gnulib/import/Makefile.am: Update.
	* gnulib/import/Makefile.in: Update.
	* gnulib/import/extra/snippet/_Noreturn.h: Rename to...
	* gnulib/import/_Noreturn.h: ... this.
	* gnulib/import/alloca.in.h: Update.
	* gnulib/import/extra/snippet/arg-nonnull.h: Rename to...
	* gnulib/import/arg-nonnull.h: ... this.
	* gnulib/import/assure.h: Update.
	* gnulib/import/at-func.c: Update.
	* gnulib/import/basename-lgpl.c: Update.
	* gnulib/import/extra/snippet/c++defs.h: Rename to...
	* gnulib/import/c++defs.h: ... this.
	* gnulib/import/canonicalize-lgpl.c: Update.
	* gnulib/import/cdefs.h: Update.
	* gnulib/import/chdir-long.c: Update.
	* gnulib/import/chdir-long.h: Update.
	* gnulib/import/cloexec.c: Update.
	* gnulib/import/cloexec.h: Update.
	* gnulib/import/close.c: Update.
	* gnulib/import/closedir.c: Update.
	* gnulib/import/config.charset: Update.
	* gnulib/import/dirent-private.h: Update.
	* gnulib/import/dirent.in.h: Update.
	* gnulib/import/dirfd.c: Update.
	* gnulib/import/dirname-lgpl.c: Update.
	* gnulib/import/dirname.h: Update.
	* gnulib/import/dosname.h: Update.
	* gnulib/import/dup-safer-flag.c: Update.
	* gnulib/import/dup-safer.c: Update.
	* gnulib/import/dup.c: Update.
	* gnulib/import/dup2.c: Update.
	* gnulib/import/errno.in.h: Update.
	* gnulib/import/error.c: Update.
	* gnulib/import/error.h: Update.
	* gnulib/import/exitfail.c: Update.
	* gnulib/import/exitfail.h: Update.
	* gnulib/import/extra/update-copyright: Update.
	* gnulib/import/fchdir.c: Update.
	* gnulib/import/fcntl.c: Update.
	* gnulib/import/fcntl.in.h: Update.
	* gnulib/import/fd-hook.c: Update.
	* gnulib/import/fd-hook.h: Update.
	* gnulib/import/fd-safer-flag.c: Update.
	* gnulib/import/fd-safer.c: Update.
	* gnulib/import/fdopendir.c: Update.
	* gnulib/import/filename.h: Update.
	* gnulib/import/filenamecat-lgpl.c: Update.
	* gnulib/import/filenamecat.h: Update.
	* gnulib/import/flexmember.h: Update.
	* gnulib/import/float+.h: Update.
	* gnulib/import/float.c: Update.
	* gnulib/import/float.in.h: Update.
	* gnulib/import/fnmatch.c: Update.
	* gnulib/import/fnmatch.in.h: Update.
	* gnulib/import/fnmatch_loop.c: Update.
	* gnulib/import/fpucw.h: Update.
	* gnulib/import/frexp.c: Update.
	* gnulib/import/frexpl.c: Update.
	* gnulib/import/fstat.c: Update.
	* gnulib/import/fstatat.c: Update.
	* gnulib/import/getcwd-lgpl.c: Update.
	* gnulib/import/getcwd.c: Update.
	* gnulib/import/getdtablesize.c: Update.
	* gnulib/import/getlogin_r.c: Update.
	* gnulib/import/getprogname.c: Update.
	* gnulib/import/getprogname.h: Update.
	* gnulib/import/gettext.h: Update.
	* gnulib/import/gettimeofday.c: Update.
	* gnulib/import/glob-libc.h: Update.
	* gnulib/import/glob.c: Update.
	* gnulib/import/glob.in.h: Update.
	* gnulib/import/glob_internal.h: Update.
	* gnulib/import/glob_pattern_p.c: Update.
	* gnulib/import/globfree.c: Update.
	* gnulib/import/hard-locale.c: Update.
	* gnulib/import/hard-locale.h: Update.
	* gnulib/import/intprops.h: Update.
	* gnulib/import/inttypes.in.h: Update.
	* gnulib/import/isnan.c: Update.
	* gnulib/import/isnand-nolibm.h: Update.
	* gnulib/import/isnand.c: Update.
	* gnulib/import/isnanl-nolibm.h: Update.
	* gnulib/import/isnanl.c: Update.
	* gnulib/import/itold.c: Update.
	* gnulib/import/libc-config.h: Update.
	* gnulib/import/limits.in.h: Update.
	* gnulib/import/localcharset.c: Update.
	* gnulib/import/localcharset.h: Update.
	* gnulib/import/localtime-buffer.c: Update.
	* gnulib/import/localtime-buffer.h: Update.
	* gnulib/import/lstat.c: Update.
	* gnulib/import/m4/00gnulib.m4: Update.
	* gnulib/import/m4/__inline.m4: Update.
	* gnulib/import/m4/absolute-header.m4: Update.
	* gnulib/import/m4/alloca.m4: Update.
	* gnulib/import/m4/builtin-expect.m4: Update.
	* gnulib/import/m4/canonicalize.m4: Update.
	* gnulib/import/m4/chdir-long.m4: Update.
	* gnulib/import/m4/close.m4: Update.
	* gnulib/import/m4/closedir.m4: Update.
	* gnulib/import/m4/configmake.m4: Update.
	* gnulib/import/m4/d-ino.m4: Update.
	* gnulib/import/m4/d-type.m4: Update.
	* gnulib/import/m4/dirent_h.m4: Update.
	* gnulib/import/m4/dirfd.m4: Update.
	* gnulib/import/m4/dirname.m4: Update.
	* gnulib/import/m4/double-slash-root.m4: Update.
	* gnulib/import/m4/dup.m4: Update.
	* gnulib/import/m4/dup2.m4: Update.
	* gnulib/import/m4/eealloc.m4: Update.
	* gnulib/import/m4/environ.m4: Update.
	* gnulib/import/m4/errno_h.m4: Update.
	* gnulib/import/m4/error.m4: Update.
	* gnulib/import/m4/exponentd.m4: Update.
	* gnulib/import/m4/exponentl.m4: Update.
	* gnulib/import/m4/extensions.m4: Update.
	* gnulib/import/m4/extern-inline.m4: Update.
	* gnulib/import/m4/fchdir.m4: Update.
	* gnulib/import/m4/fcntl-o.m4: Update.
	* gnulib/import/m4/fcntl.m4: Update.
	* gnulib/import/m4/fcntl_h.m4: Update.
	* gnulib/import/m4/fdopendir.m4: Update.
	* gnulib/import/m4/filenamecat.m4: Update.
	* gnulib/import/m4/flexmember.m4: Update.
	* gnulib/import/m4/float_h.m4: Update.
	* gnulib/import/m4/fnmatch.m4: Update.
	* gnulib/import/m4/fnmatch_h.m4: Update.
	* gnulib/import/m4/fpieee.m4: Update.
	* gnulib/import/m4/frexp.m4: Update.
	* gnulib/import/m4/frexpl.m4: Update.
	* gnulib/import/m4/fstat.m4: Update.
	* gnulib/import/m4/fstatat.m4: Update.
	* gnulib/import/m4/getcwd-abort-bug.m4: Update.
	* gnulib/import/m4/getcwd-path-max.m4: Update.
	* gnulib/import/m4/getcwd.m4: Update.
	* gnulib/import/m4/getdtablesize.m4: Update.
	* gnulib/import/m4/getlogin.m4: Update.
	* gnulib/import/m4/getlogin_r.m4: Update.
	* gnulib/import/m4/getpagesize.m4: Update.
	* gnulib/import/m4/getprogname.m4: Update.
	* gnulib/import/m4/gettimeofday.m4: Update.
	* gnulib/import/m4/glibc21.m4: Update.
	* gnulib/import/m4/glob.m4: Update.
	* gnulib/import/m4/glob_h.m4: Update.
	* gnulib/import/m4/gnulib-cache.m4: Update.
	* gnulib/import/m4/gnulib-common.m4: Update.
	* gnulib/import/m4/gnulib-comp.m4: Update.
	* gnulib/import/m4/gnulib-tool.m4: Update.
	* gnulib/import/m4/hard-locale.m4: Update.
	* gnulib/import/m4/include_next.m4: Update.
	* gnulib/import/m4/inttypes-pri.m4: Update.
	* gnulib/import/m4/inttypes.m4: Update.
	* gnulib/import/m4/isnand.m4: Update.
	* gnulib/import/m4/isnanl.m4: Update.
	* gnulib/import/m4/largefile.m4: Update.
	* gnulib/import/m4/limits-h.m4: Update.
	* gnulib/import/m4/localcharset.m4: Update.
	* gnulib/import/m4/locale-fr.m4: Update.
	* gnulib/import/m4/locale-ja.m4: Update.
	* gnulib/import/m4/locale-zh.m4: Update.
	* gnulib/import/m4/localtime-buffer.m4: Update.
	* gnulib/import/m4/longlong.m4: Update.
	* gnulib/import/m4/lstat.m4: Update.
	* gnulib/import/m4/malloc.m4: Update.
	* gnulib/import/m4/malloca.m4: Update.
	* gnulib/import/m4/math_h.m4: Update.
	* gnulib/import/m4/mbrtowc.m4: Update.
	* gnulib/import/m4/mbsinit.m4: Update.
	* gnulib/import/m4/mbsrtowcs.m4: Update.
	* gnulib/import/m4/mbstate_t.m4: Update.
	* gnulib/import/m4/memchr.m4: Update.
	* gnulib/import/m4/memmem.m4: Update.
	* gnulib/import/m4/mempcpy.m4: Update.
	* gnulib/import/m4/memrchr.m4: Update.
	* gnulib/import/m4/mkdir.m4: Update.
	* gnulib/import/m4/mkstemp.m4: Update.
	* gnulib/import/m4/mmap-anon.m4: Update.
	* gnulib/import/m4/mode_t.m4: Update.
	* gnulib/import/m4/msvc-inval.m4: Update.
	* gnulib/import/m4/msvc-nothrow.m4: Update.
	* gnulib/import/m4/multiarch.m4: Update.
	* gnulib/import/m4/nocrash.m4: Update.
	* gnulib/import/m4/off_t.m4: Update.
	* gnulib/import/m4/onceonly.m4: Update.
	* gnulib/import/m4/open-cloexec.m4: Update.
	* gnulib/import/m4/open.m4: Update.
	* gnulib/import/m4/openat.m4: Update.
	* gnulib/import/m4/opendir.m4: Update.
	* gnulib/import/m4/pathmax.m4: Update.
	* gnulib/import/m4/rawmemchr.m4: Update.
	* gnulib/import/m4/readdir.m4: Update.
	* gnulib/import/m4/readlink.m4: Update.
	* gnulib/import/m4/realloc.m4: Update.
	* gnulib/import/m4/rename.m4: Update.
	* gnulib/import/m4/rewinddir.m4: Update.
	* gnulib/import/m4/rmdir.m4: Update.
	* gnulib/import/m4/save-cwd.m4: Update.
	* gnulib/import/m4/secure_getenv.m4: Update.
	* gnulib/import/m4/setenv.m4: Update.
	* gnulib/import/m4/signal_h.m4: Update.
	* gnulib/import/m4/ssize_t.m4: Update.
	* gnulib/import/m4/stat-time.m4: Update.
	* gnulib/import/m4/stat.m4: Update.
	* gnulib/import/m4/std-gnu11.m4: Update.
	* gnulib/import/m4/stdbool.m4: Update.
	* gnulib/import/m4/stddef_h.m4: Update.
	* gnulib/import/m4/stdint.m4: Update.
	* gnulib/import/m4/stdio_h.m4: Update.
	* gnulib/import/m4/stdlib_h.m4: Update.
	* gnulib/import/m4/strchrnul.m4: Update.
	* gnulib/import/m4/strdup.m4: Update.
	* gnulib/import/m4/strerror.m4: Update.
	* gnulib/import/m4/string_h.m4: Update.
	* gnulib/import/m4/strstr.m4: Update.
	* gnulib/import/m4/strtok_r.m4: Update.
	* gnulib/import/m4/sys_socket_h.m4: Update.
	* gnulib/import/m4/sys_stat_h.m4: Update.
	* gnulib/import/m4/sys_time_h.m4: Update.
	* gnulib/import/m4/sys_types_h.m4: Update.
	* gnulib/import/m4/tempname.m4: Update.
	* gnulib/import/m4/time_h.m4: Update.
	* gnulib/import/m4/unistd-safer.m4: Update.
	* gnulib/import/m4/unistd_h.m4: Update.
	* gnulib/import/m4/warn-on-use.m4: Update.
	* gnulib/import/m4/wchar_h.m4: Update.
	* gnulib/import/m4/wchar_t.m4: Update.
	* gnulib/import/m4/wctype_h.m4: Update.
	* gnulib/import/m4/wint_t.m4: Update.
	* gnulib/import/malloc.c: Update.
	* gnulib/import/malloc/scratch_buffer.h: Update.
	* gnulib/import/malloc/scratch_buffer_grow.c: Update.
	* gnulib/import/malloc/scratch_buffer_grow_preserve.c: Update.
	* gnulib/import/malloc/scratch_buffer_set_array_size.c: Update.
	* gnulib/import/malloca.c: Update.
	* gnulib/import/malloca.h: Update.
	* gnulib/import/malloca.valgrind: Update.
	* gnulib/import/math.in.h: Update.
	* gnulib/import/mbrtowc.c: Update.
	* gnulib/import/mbsinit.c: Update.
	* gnulib/import/mbsrtowcs-impl.h: Update.
	* gnulib/import/mbsrtowcs-state.c: Update.
	* gnulib/import/mbsrtowcs.c: Update.
	* gnulib/import/memchr.c: Update.
	* gnulib/import/memmem.c: Update.
	* gnulib/import/mempcpy.c: Update.
	* gnulib/import/memrchr.c: Update.
	* gnulib/import/mkdir.c: Update.
	* gnulib/import/mkstemp.c: Update.
	* gnulib/import/msvc-inval.c: Update.
	* gnulib/import/msvc-inval.h: Update.
	* gnulib/import/msvc-nothrow.c: Update.
	* gnulib/import/msvc-nothrow.h: Update.
	* gnulib/import/open.c: Update.
	* gnulib/import/openat-die.c: Update.
	* gnulib/import/openat-priv.h: Update.
	* gnulib/import/openat-proc.c: Update.
	* gnulib/import/openat.c: Update.
	* gnulib/import/openat.h: Update.
	* gnulib/import/opendir.c: Update.
	* gnulib/import/pathmax.h: Update.
	* gnulib/import/pipe-safer.c: Update.
	* gnulib/import/rawmemchr.c: Update.
	* gnulib/import/readdir.c: Update.
	* gnulib/import/readlink.c: Update.
	* gnulib/import/realloc.c: Update.
	* gnulib/import/ref-add.sin: Update.
	* gnulib/import/ref-del.sin: Update.
	* gnulib/import/rename.c: Update.
	* gnulib/import/rewinddir.c: Update.
	* gnulib/import/rmdir.c: Update.
	* gnulib/import/same-inode.h: Update.
	* gnulib/import/save-cwd.c: Update.
	* gnulib/import/save-cwd.h: Update.
	* gnulib/import/scratch_buffer.h: Update.
	* gnulib/import/secure_getenv.c: Update.
	* gnulib/import/setenv.c: Update.
	* gnulib/import/signal.in.h: Update.
	* gnulib/import/stat-time.c: Update.
	* gnulib/import/stat-time.h: Update.
	* gnulib/import/stat-w32.c: Update.
	* gnulib/import/stat-w32.h: Update.
	* gnulib/import/stat.c: Update.
	* gnulib/import/stdbool.in.h: Update.
	* gnulib/import/stddef.in.h: Update.
	* gnulib/import/stdint.in.h: Update.
	* gnulib/import/stdio.in.h: Update.
	* gnulib/import/stdlib.in.h: Update.
	* gnulib/import/str-two-way.h: Update.
	* gnulib/import/strchrnul.c: Update.
	* gnulib/import/strdup.c: Update.
	* gnulib/import/streq.h: Update.
	* gnulib/import/strerror-override.c: Update.
	* gnulib/import/strerror-override.h: Update.
	* gnulib/import/strerror.c: Update.
	* gnulib/import/string.in.h: Update.
	* gnulib/import/stripslash.c: Update.
	* gnulib/import/strnlen1.c: Update.
	* gnulib/import/strnlen1.h: Update.
	* gnulib/import/strstr.c: Update.
	* gnulib/import/strtok_r.c: Update.
	* gnulib/import/sys_stat.in.h: Update.
	* gnulib/import/sys_time.in.h: Update.
	* gnulib/import/sys_types.in.h: Update.
	* gnulib/import/tempname.c: Update.
	* gnulib/import/tempname.h: Update.
	* gnulib/import/time.in.h: Update.
	* gnulib/import/unistd--.h: Update.
	* gnulib/import/unistd-safer.h: Update.
	* gnulib/import/unistd.in.h: Update.
	* gnulib/import/unsetenv.c: Update.
	* gnulib/import/verify.h: Update.
	* gnulib/import/extra/snippet/warn-on-use.h: Update.
	* gnulib/import/wchar.in.h: Update.
	* gnulib/import/wctype.in.h: Update.
	* gnulib/import/xalloc-oversized.h: Update.
	* gnulib/update-gnulib.sh (GNULIB_COMMIT_SHA1): Set to
	"53e2c179f26a890fa6685af4b6c1397ee370433b".
2018-09-10 13:52:24 -04:00

33 lines
1.3 KiB
C

/* Auxiliary definitions for <float.h>.
Copyright (C) 2011-2016 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2011.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <float.h>
#if (defined _ARCH_PPC || defined _POWER) && (defined _AIX || defined __linux__) && (LDBL_MANT_DIG == 106) && defined __GNUC__
const union gl_long_double_union gl_LDBL_MAX =
{ { DBL_MAX, DBL_MAX / (double)134217728UL / (double)134217728UL } };
#elif defined __i386__
const union gl_long_double_union gl_LDBL_MAX =
{ { 0xFFFFFFFF, 0xFFFFFFFF, 32766 } };
#else
/* This declaration is solely to ensure that after preprocessing
this file is never empty. */
typedef int dummy;
#endif