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Merge from Gnulib

Browse Source 
This incorporates:
2017-11-23 stat: work around Solaris bug with tv_nsec < 0
2017-11-12 maint: shorten https://lists.gnu.org/archive/html/... links
* build-aux/config.sub, doc/misc/texinfo.tex, lib/allocator.h:
* lib/fstatat.c, lib/intprops.h, lib/lstat.c, lib/signal.in.h:
* lib/stat-time.h, lib/stdio-impl.h, lib/stdio.in.h:
* lib/timespec.h, m4/alloca.m4, m4/extern-inline.m4:
* m4/faccessat.m4, m4/fstatat.m4, m4/gnulib-common.m4:
* m4/lstat.m4, m4/std-gnu11.m4, m4/sys_types_h.m4:
* m4/vararrays.m4:
Copy from Gnulib.
This commit is contained in:
Paul Eggert 2017-11-25 22:28:31 -08:00
parent 265cee553f
commit 8be3aee281
20 changed files with 162 additions and 76 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
build-aux/config.sub vendored
View File

@ -2,7 +2,7 @@
# Configuration validation subroutine script.
# Copyright 1992-2017 Free Software Foundation, Inc.
timestamp='2017-11-04'
timestamp='2017-11-23'
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
@ -1546,6 +1546,19 @@ case $os in
-dicos*)
os=-dicos
;;
-pikeos*)
# Until real need of OS specific support for
# particular features comes up, bare metal
# configurations are quite functional.
case $basic_machine in
arm*)
os=-eabi
;;
*)
os=-elf
;;
esac
;;
-nacl*)
;;
-ios)

49
doc/misc/texinfo.tex
View File

@ -3,7 +3,7 @@
% Load plain if necessary, i.e., if running under initex.
\expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
%
\def\texinfoversion{2017-09-11.18}
\def\texinfoversion{2017-11-17.06}
%
% Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@ -5969,24 +5969,30 @@
% Split the last of the double-column material.
\savemarks
\balancecolumns
%
}%
\eject % call the \output just set
\ifdim\pagetotal=0pt
% Having called \balancecolumns once, we do not
% want to call it again. Therefore, reset \output to its normal
% definition right away.
\global\output = {\onepageout{\pagecontents\PAGE}}%
}%
\eject
\endgroup % started in \begindoublecolumns
\restoremarks
% Leave the double-column material on the current page, no automatic
% page break.
\box\balancedcolumns
%
% \pagegoal was set to the doubled \vsize above, since we restarted
% the current page. We're now back to normal single-column
% typesetting, so reset \pagegoal to the normal \vsize.
\global\vsize = \txipageheight %
\pagegoal = \txipageheight %
%
\endgroup % started in \begindoublecolumns
\restoremarks
% Leave the double-column material on the current page, no automatic
% page break.
\box\balancedcolumns
%
% \pagegoal was set to the doubled \vsize above, since we restarted
% the current page. We're now back to normal single-column
% typesetting, so reset \pagegoal to the normal \vsize.
\global\vsize = \txipageheight %
\pagegoal = \txipageheight %
\else
% We had some left-over material. This might happen when \doublecolumnout
% is called in \balancecolumns. Try again.
\expandafter\enddoublecolumns
\fi
}
\newbox\balancedcolumns
\setbox\balancedcolumns=\vbox{shouldnt see this}%
@ -6001,6 +6007,7 @@
\ifdim\dimen@<5\baselineskip
% Don't split a short final column in two.
\setbox2=\vbox{}%
\global\setbox\balancedcolumns=\vbox{\pagesofar}%
\else
\divide\dimen@ by 2 % target to split to
\dimen@ii = \dimen@
@ -6016,15 +6023,15 @@
\repeat
}%
% Now the left column is in box 1, and the right column in box 3.
%
% Check whether the left column has come out higher than the page itself.
% (Note that we have doubled \vsize for the double columns, so
% the actual height of the page is 0.5\vsize).
\ifdim2\ht1>\vsize
% Just split the last of the double column material roughly in half.
\setbox2=\box0
\setbox0 = \vsplit2 to \dimen@ii
\setbox0=\vbox to \dimen@ii {\unvbox0\vfill}%
\setbox2=\vbox to \dimen@ii {\unvbox2\vfill}%
% It appears that we have been called upon to balance too much material.
% Output some of it with \doublecolumnout, leaving the rest on the page.
\setbox\PAGE=\box0
\doublecolumnout
\else
% Compare the heights of the two columns.
\ifdim4\ht1>5\ht3
@ -6037,10 +6044,10 @@
\setbox2=\vbox to\ht1{\unvbox3\unskip}%
\setbox0=\vbox to\ht1{\unvbox1\unskip}%
\fi
\global\setbox\balancedcolumns=\vbox{\pagesofar}%
\fi
\fi
%
\global\setbox\balancedcolumns=\vbox{\pagesofar}%
}
\catcode`\@ = \other

2
lib/allocator.h
View File

@ -29,7 +29,7 @@ struct allocator
/* Do not use GCC attributes such as __attribute__ ((malloc)) with
the function types pointed at by these members, because these
attributes do not work with pointers to functions. See
<https://lists.gnu.org/archive/html/bug-gnulib/2011-04/msg00007.html>. */
<https://lists.gnu.org/r/bug-gnulib/2011-04/msg00007.html>. */
/* Call ALLOCATE to allocate memory, like 'malloc'. On failure ALLOCATE
should return NULL, though not necessarily set errno. When given

12
lib/fstatat.c
View File

@ -41,6 +41,8 @@ orig_fstatat (int fd, char const *filename, struct stat *buf, int flags)
above. */
#include "sys/stat.h"
#include "stat-time.h"
#include <errno.h>
#include <fcntl.h>
#include <string.h>
@ -51,6 +53,12 @@ orig_fstatat (int fd, char const *filename, struct stat *buf, int flags)
# define LSTAT_FOLLOWS_SLASHED_SYMLINK 0
# endif
static int
normal_fstatat (int fd, char const *file, struct stat *st, int flag)
{
return stat_time_normalize (orig_fstatat (fd, file, st, flag), st);
}
/* fstatat should always follow symbolic links that end in /, but on
Solaris 9 it doesn't if AT_SYMLINK_NOFOLLOW is specified.
Likewise, trailing slash on a non-directory should be an error.
@ -63,7 +71,7 @@ orig_fstatat (int fd, char const *filename, struct stat *buf, int flags)
int
rpl_fstatat (int fd, char const *file, struct stat *st, int flag)
{
int result = orig_fstatat (fd, file, st, flag);
int result = normal_fstatat (fd, file, st, flag);
size_t len;
if (LSTAT_FOLLOWS_SLASHED_SYMLINK || result != 0)
@ -79,7 +87,7 @@ rpl_fstatat (int fd, char const *file, struct stat *st, int flag)
errno = ENOTDIR;
return -1;
}
result = orig_fstatat (fd, file, st, flag & ~AT_SYMLINK_NOFOLLOW);
result = normal_fstatat (fd, file, st, flag & ~AT_SYMLINK_NOFOLLOW);
}
/* Fix stat behavior. */
if (result == 0 && !S_ISDIR (st->st_mode) && file[len - 1] == '/')

6
lib/intprops.h
View File

@ -26,7 +26,7 @@
#define _GL_INT_CONVERT(e, v) (0 * (e) + (v))
/* Act like _GL_INT_CONVERT (E, -V) but work around a bug in IRIX 6.5 cc; see
<https://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00406.html>. */
<https://lists.gnu.org/r/bug-gnulib/2011-05/msg00406.html>. */
#define _GL_INT_NEGATE_CONVERT(e, v) (0 * (e) - (v))
/* The extra casts in the following macros work around compiler bugs,
@ -179,7 +179,7 @@
/* Return 1 if A * B would overflow in [MIN,MAX] arithmetic.
See above for restrictions. Avoid && and || as they tickle
bugs in Sun C 5.11 2010/08/13 and other compilers; see
<https://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00401.html>. */
<https://lists.gnu.org/r/bug-gnulib/2011-05/msg00401.html>. */
#define INT_MULTIPLY_RANGE_OVERFLOW(a, b, min, max) \
((b) < 0 \
? ((a) < 0 \
@ -443,7 +443,7 @@
implementation-defined result or signal for values outside T's
range. However, code that works around this theoretical problem
runs afoul of a compiler bug in Oracle Studio 12.3 x86. See:
https://lists.gnu.org/archive/html/bug-gnulib/2017-04/msg00049.html
https://lists.gnu.org/r/bug-gnulib/2017-04/msg00049.html
As the compiler bug is real, don't try to work around the
theoretical problem. */

39
lib/lstat.c
View File

@ -47,6 +47,8 @@ orig_lstat (const char *filename, struct stat *buf)
above. */
# include "sys/stat.h"
# include "stat-time.h"
# include <string.h>
# include <errno.h>
@ -66,32 +68,33 @@ orig_lstat (const char *filename, struct stat *buf)
int
rpl_lstat (const char *file, struct stat *sbuf)
{
size_t len;
int lstat_result = orig_lstat (file, sbuf);
if (lstat_result != 0)
return lstat_result;
int result = orig_lstat (file, sbuf);
/* This replacement file can blindly check against '/' rather than
using the ISSLASH macro, because all platforms with '\\' either
lack symlinks (mingw) or have working lstat (cygwin) and thus do
not compile this file. 0 len should have already been filtered
out above, with a failure return of ENOENT. */
len = strlen (file);
if (file[len - 1] != '/' || S_ISDIR (sbuf->st_mode))
return 0;
/* At this point, a trailing slash is only permitted on
symlink-to-dir; but it should have found information on the
directory, not the symlink. Call stat() to get info about the
link's referent. Our replacement stat guarantees valid results,
even if the symlink is not pointing to a directory. */
if (!S_ISLNK (sbuf->st_mode))
if (result == 0)
{
errno = ENOTDIR;
return -1;
if (S_ISDIR (sbuf->st_mode) || file[strlen (file) - 1] != '/')
result = stat_time_normalize (result, sbuf);
else
{
/* At this point, a trailing slash is permitted only on
symlink-to-dir; but it should have found information on the
directory, not the symlink. Call 'stat' to get info about the
link's referent. Our replacement stat guarantees valid results,
even if the symlink is not pointing to a directory. */
if (!S_ISLNK (sbuf->st_mode))
{
errno = ENOTDIR;
return -1;
}
result = stat (file, sbuf);
}
}
return stat (file, sbuf);
return result;
}
#endif /* HAVE_LSTAT */

2
lib/signal.in.h
View File

@ -200,7 +200,7 @@ typedef int verify_NSIG_constraint[NSIG <= 32 ? 1 : -1];
/* When also using extern inline, suppress the use of static inline in
standard headers of problematic Apple configurations, as Libc at
least through Libc-825.26 (2013-04-09) mishandles it; see, e.g.,
<https://lists.gnu.org/archive/html/bug-gnulib/2012-12/msg00023.html>.
<https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html>.
Perhaps Apple will fix this some day. */
#if (defined _GL_EXTERN_INLINE_IN_USE && defined __APPLE__ \
&& (defined __i386__ || defined __x86_64__))

45
lib/stat-time.h
View File

@ -20,6 +20,10 @@
#ifndef STAT_TIME_H
#define STAT_TIME_H 1
#include "intprops.h"
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <time.h>
@ -202,6 +206,47 @@ get_stat_birthtime (struct stat const *st)
return t;
}
/* If a stat-like function returned RESULT, normalize the timestamps
in *ST, in case this platform suffers from the Solaris 11 bug where
tv_nsec might be negative. Return the adjusted RESULT, setting
errno to EOVERFLOW if normalization overflowed. This function
is intended to be private to this .h file. */
_GL_STAT_TIME_INLINE int
stat_time_normalize (int result, struct stat *st)
{
#if defined __sun && defined STAT_TIMESPEC
if (result == 0)
{
long int timespec_resolution = 1000000000;
short int const ts_off[] = { offsetof (struct stat, st_atim),
offsetof (struct stat, st_mtim),
offsetof (struct stat, st_ctim) };
int i;
for (i = 0; i < sizeof ts_off / sizeof *ts_off; i++)
{
struct timespec *ts = (struct timespec *) ((char *) st + ts_off[i]);
long int q = ts->tv_nsec / timespec_resolution;
long int r = ts->tv_nsec % timespec_resolution;
if (r < 0)
{
r += timespec_resolution;
q--;
}
ts->tv_nsec = r;
/* Overflow is possible, as Solaris 11 stat can yield
tv_sec == TYPE_MINIMUM (time_t) && tv_nsec == -1000000000.
INT_ADD_WRAPV is OK, since time_t is signed on Solaris. */
if (INT_ADD_WRAPV (q, ts->tv_sec, &ts->tv_sec))
{
errno = EOVERFLOW;
return -1;
}
}
}
#endif
return result;
}
#ifdef __cplusplus
}
#endif

4
lib/stdio-impl.h
View File

@ -81,7 +81,7 @@
#ifdef __TANDEM /* NonStop Kernel */
# ifndef _IOERR
/* These values were determined by the program 'stdioext-flags' at
<https://lists.gnu.org/archive/html/bug-gnulib/2010-12/msg00165.html>. */
<https://lists.gnu.org/r/bug-gnulib/2010-12/msg00165.html>. */
# define _IOERR 0x40
# define _IOREAD 0x80
# define _IOWRT 0x4
@ -132,7 +132,7 @@ struct _gl_real_FILE
# define fp_ ((struct _gl_real_FILE *) fp)
/* These values were determined by a program similar to the one at
<https://lists.gnu.org/archive/html/bug-gnulib/2010-12/msg00165.html>. */
<https://lists.gnu.org/r/bug-gnulib/2010-12/msg00165.html>. */
# define _IOREAD 0x1
# define _IOWRT 0x2
# define _IORW 0x4

2
lib/stdio.in.h
View File

@ -152,7 +152,7 @@
/* When also using extern inline, suppress the use of static inline in
standard headers of problematic Apple configurations, as Libc at
least through Libc-825.26 (2013-04-09) mishandles it; see, e.g.,
<https://lists.gnu.org/archive/html/bug-gnulib/2012-12/msg00023.html>.
<https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html>.
Perhaps Apple will fix this some day. */
#if (defined _GL_EXTERN_INLINE_IN_USE && defined __APPLE__ \
&& defined __GNUC__ && defined __STDC__)

2
lib/timespec.h
View File

@ -87,7 +87,7 @@ timespec_cmp (struct timespec a, struct timespec b)
return 1;
/* Pacify gcc -Wstrict-overflow (bleeding-edge circa 2017-10-02). See:
http://lists.gnu.org/archive/html/bug-gnulib/2017-10/msg00006.html */
http://lists.gnu.org/r/bug-gnulib/2017-10/msg00006.html */
assume (-1 <= a.tv_nsec && a.tv_nsec <= 2 * TIMESPEC_RESOLUTION);
assume (-1 <= b.tv_nsec && b.tv_nsec <= 2 * TIMESPEC_RESOLUTION);

2
m4/alloca.m4
View File

@ -44,7 +44,7 @@ AC_DEFUN([gl_FUNC_ALLOCA],
AC_DEFUN([gl_PREREQ_ALLOCA], [:])
# This works around a bug in autoconf <= 2.68.
# See <https://lists.gnu.org/archive/html/bug-gnulib/2011-06/msg00277.html>.
# See <https://lists.gnu.org/r/bug-gnulib/2011-06/msg00277.html>.
m4_version_prereq([2.69], [] ,[

6
m4/extern-inline.m4
View File

@ -11,7 +11,7 @@ AC_DEFUN([gl_EXTERN_INLINE],
[/* Please see the Gnulib manual for how to use these macros.
Suppress extern inline with HP-UX cc, as it appears to be broken; see
<https://lists.gnu.org/archive/html/bug-texinfo/2013-02/msg00030.html>.
<https://lists.gnu.org/r/bug-texinfo/2013-02/msg00030.html>.
Suppress extern inline with Sun C in standards-conformance mode, as it
mishandles inline functions that call each other. E.g., for 'inline void f
@ -28,13 +28,13 @@ AC_DEFUN([gl_EXTERN_INLINE],
from calling static functions. This bug is known to occur on:
OS X 10.8 and earlier; see:
https://lists.gnu.org/archive/html/bug-gnulib/2012-12/msg00023.html
https://lists.gnu.org/r/bug-gnulib/2012-12/msg00023.html
DragonFly; see
http://muscles.dragonflybsd.org/bulk/bleeding-edge-potential/latest-per-pkg/ah-tty-0.3.12.log
FreeBSD; see:
https://lists.gnu.org/archive/html/bug-gnulib/2014-07/msg00104.html
https://lists.gnu.org/r/bug-gnulib/2014-07/msg00104.html
OS X 10.9 has a macro __header_inline indicating the bug is fixed for C and
for clang but remains for g++; see <https://trac.macports.org/ticket/41033>.

10
m4/faccessat.m4
View File

@ -1,4 +1,4 @@
# serial 7
# serial 8
# See if we need to provide faccessat replacement.
dnl Copyright (C) 2009-2017 Free Software Foundation, Inc.
@ -11,6 +11,7 @@ dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_FACCESSAT],
[
AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
dnl Persuade glibc <unistd.h> to declare faccessat().
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
@ -18,8 +19,11 @@ AC_DEFUN([gl_FUNC_FACCESSAT],
AC_CHECK_FUNCS_ONCE([faccessat])
if test $ac_cv_func_faccessat = no; then
HAVE_FACCESSAT=0
elif test "$gl_cv_func_lstat_dereferences_slashed_symlink" != yes; then
REPLACE_FACCESSAT=1
else
case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
*yes) ;;
*) REPLACE_FACCESSAT=1 ;;
esac
fi
])

21
m4/fstatat.m4
View File

@ -1,4 +1,4 @@
# fstatat.m4 serial 3
# fstatat.m4 serial 4
dnl Copyright (C) 2004-2017 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -13,14 +13,14 @@ AC_DEFUN([gl_FUNC_FSTATAT],
AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_REQUIRE([AC_CANONICAL_HOST])
AC_CHECK_FUNCS_ONCE([fstatat])
if test $ac_cv_func_fstatat = no; then
HAVE_FSTATAT=0
else
dnl Test for an AIX 7.1 bug; see
dnl <https://lists.gnu.org/archive/html/bug-tar/2011-09/msg00015.html>.
dnl <https://lists.gnu.org/r/bug-tar/2011-09/msg00015.html>.
AC_CACHE_CHECK([whether fstatat (..., 0) works],
[gl_cv_func_fstatat_zero_flag],
[AC_RUN_IFELSE(
@ -46,15 +46,20 @@ AC_DEFUN([gl_FUNC_FSTATAT],
case $gl_cv_func_fstatat_zero_flag+$gl_cv_func_lstat_dereferences_slashed_symlink in
*yes+*yes) ;;
*) REPLACE_FSTATAT=1
case $gl_cv_func_fstatat_zero_flag in
*yes)
*) REPLACE_FSTATAT=1 ;;
esac
case $host_os in
solaris*)
REPLACE_FSTATAT=1 ;;
esac
case $REPLACE_FSTATAT,$gl_cv_func_fstatat_zero_flag in
1,*yes)
AC_DEFINE([HAVE_WORKING_FSTATAT_ZERO_FLAG], [1],
[Define to 1 if fstatat (..., 0) works.
For example, it does not work in AIX 7.1.])
;;
esac
;;
esac
fi
])

6
m4/gnulib-common.m4
View File

@ -228,13 +228,13 @@ m4_ifndef([AS_VAR_IF],
# This is like AC_PROG_CC_C99, except that
# - AC_PROG_CC_C99 did not exist in Autoconf versions < 2.60,
# - AC_PROG_CC_C99 does not mix well with AC_PROG_CC_STDC
# <https://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00367.html>,
# <https://lists.gnu.org/r/bug-gnulib/2011-09/msg00367.html>,
# but many more packages use AC_PROG_CC_STDC than AC_PROG_CC_C99
# <https://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00441.html>.
# <https://lists.gnu.org/r/bug-gnulib/2011-09/msg00441.html>.
# Remaining problems:
# - When AC_PROG_CC_STDC is invoked twice, it adds the C99 enabling options
# to CC twice
# <https://lists.gnu.org/archive/html/bug-gnulib/2011-09/msg00431.html>.
# <https://lists.gnu.org/r/bug-gnulib/2011-09/msg00431.html>.
# - AC_PROG_CC_STDC is likely to change now that C11 is an ISO standard.
AC_DEFUN([gl_PROG_CC_C99],
[

7
m4/lstat.m4
View File

@ -1,4 +1,4 @@
# serial 29
# serial 30
# Copyright (C) 1997-2001, 2003-2017 Free Software Foundation, Inc.
#
@ -10,14 +10,15 @@ dnl From Jim Meyering.
AC_DEFUN([gl_FUNC_LSTAT],
[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
dnl If lstat does not exist, the replacement <sys/stat.h> does
dnl "#define lstat stat", and lstat.c is a no-op.
AC_CHECK_FUNCS_ONCE([lstat])
if test $ac_cv_func_lstat = yes; then
AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
*no)
case $host_os,$gl_cv_func_lstat_dereferences_slashed_symlink in
solaris* | *no)
REPLACE_LSTAT=1
;;
esac

4
m4/std-gnu11.m4
View File

@ -369,7 +369,7 @@ dnl just the module. Instead, define the (private) symbol
dnl _STDC_C99, which suppresses a bogus failure in <stdbool.h>.
dnl The resulting compiler passes the test case here, and that's
dnl good enough. For more, please see the thread starting at:
dnl https://lists.gnu.org/archive/html/autoconf/2010-12/msg00059.html
dnl https://lists.gnu.org/r/autoconf/2010-12/msg00059.html
dnl Tru64 -c99
dnl with extended modes being tried first.
[[-std=gnu99 -std=c99 -c99 -AC99 -D_STDC_C99= -qlanglvl=extc1x -qlanglvl=extc99]], [$1], [$2])[]dnl
@ -458,7 +458,7 @@ dnl preferably extc11.
# --------------
# Do not use AU_ALIAS here and in AC_PROG_CC_C99 and AC_PROG_CC_STDC,
# as that'd be incompatible with how Automake redefines AC_PROG_CC. See
# <https://lists.gnu.org/archive/html/autoconf/2012-10/msg00048.html>.
# <https://lists.gnu.org/r/autoconf/2012-10/msg00048.html>.
AU_DEFUN([AC_PROG_CC_C89],
[AC_REQUIRE([AC_PROG_CC])],
[$0 is obsolete; use AC_PROG_CC]

2
m4/sys_types_h.m4
View File

@ -35,7 +35,7 @@ AC_DEFUN([gl_SYS_TYPES_H_DEFAULTS],
])
# This works around a buggy version in autoconf <= 2.69.
# See <https://lists.gnu.org/archive/html/autoconf/2016-08/msg00014.html>
# See <https://lists.gnu.org/r/autoconf/2016-08/msg00014.html>
m4_version_prereq([2.70], [], [

2
m4/vararrays.m4
View File

@ -27,7 +27,7 @@ AC_DEFUN([AC_C_VARARRAYS],
[[/* Test for VLA support. This test is partly inspired
from examples in the C standard. Use at least two VLA
functions to detect the GCC 3.4.3 bug described in:
https://lists.gnu.org/archive/html/bug-gnulib/2014-08/msg00014.html
https://lists.gnu.org/r/bug-gnulib/2014-08/msg00014.html
*/
#ifdef __STDC_NO_VLA__
syntax error;