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Update from Gnulib

Browse source 
This incorporates:
2020-08-16 time_rz: remove unused functions
2020-08-16 time_rz: fix issues with mktime_z failures
2020-08-16 nstrftime: Guide inlining also on clang
2020-08-16 intprops: Avoid bogus warning on clang
2020-08-16 libc-config: Enable __REDIRECT macro also on clang
2020-08-16 regex: Use initializer shorthand syntax also with clang
2020-08-16 regex: Use space optimization also with clang
2020-08-16 Use _Static_assert and static_assert when present on clang
2020-08-16 Use 'throw ()' for optimization in C++ mode also on clang
2020-08-16 stdio: Don't break attribute 'scanf' on clang
2020-08-16 Fix "warning: 'format' attribute ...: rpl_printf"
2020-08-16 Fix "warning: attribute declaration must precede definition"
2020-08-16 Fix undesired warnings
2020-08-16 Don't use Autoconf quadrigraphsxo
2020-08-16 Fix quoting of AC_LANG_PROGRAM arguments
2020-08-16 Assume autoconf >= 2.64
2020-08-15 nstrftime: be more predictable about errno
2020-08-15 canonicalize: Fix autoconf test on MSVC/clang
2020-08-15 Support compiling without -loldnames on native Windows
2020-08-14 mktime, mktime-internal: Remove obsolete code
2020-08-14 Assume tzset exists
* lib/c++defs.h, lib/canonicalize-lgpl.c, lib/cdefs.h, lib/dup2.c:
* lib/fcntl.in.h, lib/getopt-cdefs.in.h, lib/intprops.h, lib/md5.h:
* lib/mktime.c, lib/nstrftime.c, lib/open.c, lib/regcomp.c:
* lib/regex_internal.h, lib/stdio.in.h, lib/stdlib.in.h:
* lib/strftime.h, lib/string.in.h, lib/sys_select.in.h:
* lib/sys_stat.in.h, lib/sys_time.in.h, lib/time.in.h, lib/time_rz.c:
* lib/unistd.in.h, lib/verify.h, m4/00gnulib.m4:
* m4/absolute-header.m4, m4/alloca.m4, m4/canonicalize.m4, m4/dup2.m4:
* m4/fchmodat.m4, m4/fcntl.m4, m4/fdopendir.m4, m4/fpending.m4:
* m4/futimens.m4, m4/getdtablesize.m4, m4/getloadavg.m4:
* m4/gnulib-common.m4, m4/include_next.m4, m4/largefile.m4:
* m4/manywarnings.m4, m4/mktime.m4, m4/nstrftime.m4, m4/open-slash.m4:
* m4/pselect.m4, m4/pthread_sigmask.m4, m4/time_h.m4, m4/utimens.m4:
* m4/utimensat.m4, m4/utimes.m4, m4/warnings.m4:
Copy from Gnulib.
* lib/gnulib.mk.in: Regenerate.
This commit is contained in:
Paul Eggert 2020-08-16 14:22:56 -07:00
parent 8c68a15f2a
commit 846657afaf
51 changed files with 547 additions and 202 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
lib/c++defs.h
View file

@ -146,6 +146,16 @@
_GL_EXTERN_C int _gl_cxxalias_dummy
#endif
/* _GL_CXXALIAS_MDA (func, rettype, parameters);
is to be used when func is a Microsoft deprecated alias, on native Windows.
It declares a C++ alias called GNULIB_NAMESPACE::func
that redirects to _func, if GNULIB_NAMESPACE is defined.
Example:
_GL_CXXALIAS_MDA (open, int, (const char *filename, int flags, ...));
*/
#define _GL_CXXALIAS_MDA(func,rettype,parameters) \
_GL_CXXALIAS_RPL_1 (func, _##func, rettype, parameters)
/* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters);
is like _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters);
except that the C function rpl_func may have a slightly different

4
lib/canonicalize-lgpl.c
View file

@ -52,7 +52,9 @@
# include "pathmax.h"
# include "malloca.h"
# include "filename.h"
# if HAVE_GETCWD
# if defined _WIN32 && !defined __CYGWIN__
# define __getcwd _getcwd
# elif HAVE_GETCWD
# if IN_RELOCWRAPPER
/* When building the relocatable program wrapper, use the system's getcwd
function, not the gnulib override, otherwise we would get a link error.

7
lib/cdefs.h
View file

@ -85,7 +85,7 @@
# define __NTH(fct) __attribute__ ((__nothrow__ __LEAF)) fct
# define __NTHNL(fct) __attribute__ ((__nothrow__)) fct
# else
# if defined __cplusplus && __GNUC_PREREQ (2,8)
# if defined __cplusplus && (__GNUC_PREREQ (2,8) || __clang_major >= 4)
# define __THROW throw ()
# define __THROWNL throw ()
# define __NTH(fct) __LEAF_ATTR fct throw ()
@ -194,7 +194,7 @@
Example:
int __REDIRECT(setpgrp, (__pid_t pid, __pid_t pgrp), setpgid); */
#if defined __GNUC__ && __GNUC__ >= 2
#if (defined __GNUC__ && __GNUC__ >= 2) || (__clang_major__ >= 4)
# define __REDIRECT(name, proto, alias) name proto __asm__ (__ASMNAME (#alias))
# ifdef __cplusplus
@ -465,7 +465,8 @@
#if (!defined _Static_assert && !defined __cplusplus \
&& (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) < 201112 \
&& (!__GNUC_PREREQ (4, 6) || defined __STRICT_ANSI__))
&& (!(__GNUC_PREREQ (4, 6) || __clang_major__ >= 4) \
|| defined __STRICT_ANSI__))
# define _Static_assert(expr, diagnostic) \
extern int (*__Static_assert_function (void)) \
[!!sizeof (struct { int __error_if_negative: (expr) ? 2 : -1; })]

4
lib/dup2.c
View file

@ -52,7 +52,7 @@ dup2_nothrow (int fd, int desired_fd)
TRY_MSVC_INVAL
{
result = dup2 (fd, desired_fd);
result = _dup2 (fd, desired_fd);
}
CATCH_MSVC_INVAL
{
@ -64,7 +64,7 @@ dup2_nothrow (int fd, int desired_fd)
return result;
}
# else
# define dup2_nothrow dup2
# define dup2_nothrow _dup2
# endif
static int

18
lib/fcntl.in.h
View file

@ -97,6 +97,12 @@
_GL_FUNCDECL_RPL (creat, int, (const char *filename, mode_t mode)
_GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (creat, int, (const char *filename, mode_t mode));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef creat
# define creat _creat
# endif
_GL_CXXALIAS_MDA (creat, int, (const char *filename, mode_t mode));
# else
_GL_CXXALIAS_SYS (creat, int, (const char *filename, mode_t mode));
# endif
@ -106,6 +112,9 @@ _GL_CXXALIASWARN (creat);
/* Assume creat is always declared. */
_GL_WARN_ON_USE (creat, "creat is not always POSIX compliant - "
"use gnulib module creat for portability");
#elif defined _WIN32 && !defined __CYGWIN__
# undef creat
# define creat _creat
#endif
#if @GNULIB_FCNTL@
@ -146,6 +155,12 @@ _GL_WARN_ON_USE (fcntl, "fcntl is not always POSIX compliant - "
_GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...)
_GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef open
# define open _open
# endif
_GL_CXXALIAS_MDA (open, int, (const char *filename, int flags, ...));
# else
_GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...));
# endif
@ -159,6 +174,9 @@ _GL_CXXALIASWARN (open);
/* Assume open is always declared. */
_GL_WARN_ON_USE (open, "open is not always POSIX compliant - "
"use gnulib module open for portability");
#elif defined _WIN32 && !defined __CYGWIN__
# undef open
# define open _open
#endif
#if @GNULIB_OPENAT@

2
lib/getopt-cdefs.in.h
View file

@ -57,7 +57,7 @@
#endif
#ifndef __THROW
# if defined __cplusplus && __GNUC_PREREQ (2,8)
# if defined __cplusplus && (__GNUC_PREREQ (2,8) || __clang_major__ >= 4)
# define __THROW throw ()
# else
# define __THROW

4
lib/gnulib.mk.in
View file

@ -682,7 +682,6 @@ HAVE_SYS_TYPES_H = @HAVE_SYS_TYPES_H@
HAVE_TIMEGM = @HAVE_TIMEGM@
HAVE_TIMEZONE_T = @HAVE_TIMEZONE_T@
HAVE_TYPE_VOLATILE_SIG_ATOMIC_T = @HAVE_TYPE_VOLATILE_SIG_ATOMIC_T@
HAVE_TZSET = @HAVE_TZSET@
HAVE_UNISTD_H = @HAVE_UNISTD_H@
HAVE_UNLINKAT = @HAVE_UNLINKAT@
HAVE_UNLOCKPT = @HAVE_UNLOCKPT@
@ -1159,7 +1158,7 @@ ifeq (,$(OMIT_GNULIB_MODULE_absolute-header))
# Use this preprocessor expression to decide whether #include_next works.
# Do not rely on a 'configure'-time test for this, since the expression
# might appear in an installed header, which is used by some other compiler.
HAVE_INCLUDE_NEXT = (__GNUC__ || 60000000 <= __DECC_VER)
HAVE_INCLUDE_NEXT = (__GNUC__ || __clang__ || 60000000 <= __DECC_VER)
endif
## end gnulib module absolute-header
@ -3185,7 +3184,6 @@ time.h: time.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) $(
-e 's|@''HAVE_STRPTIME''@|$(HAVE_STRPTIME)|g' \
-e 's|@''HAVE_TIMEGM''@|$(HAVE_TIMEGM)|g' \
-e 's|@''HAVE_TIMEZONE_T''@|$(HAVE_TIMEZONE_T)|g' \
-e 's|@''HAVE_TZSET''@|$(HAVE_TZSET)|g' \
-e 's|@''REPLACE_CTIME''@|$(REPLACE_CTIME)|g' \
-e 's|@''REPLACE_GMTIME''@|$(REPLACE_GMTIME)|g' \
-e 's|@''REPLACE_LOCALTIME''@|$(REPLACE_LOCALTIME)|g' \

2
lib/intprops.h
View file

@ -396,7 +396,7 @@
For now, assume all versions of GCC-like compilers generate bogus
warnings for _Generic. This matters only for compilers that
lack relevant builtins. */
#if __GNUC__
#if __GNUC__ || defined __clang__
# define _GL__GENERIC_BOGUS 1
#else
# define _GL__GENERIC_BOGUS 0

2
lib/md5.h
View file

@ -40,7 +40,7 @@
#endif
#ifndef __THROW
# if defined __cplusplus && __GNUC_PREREQ (2,8)
# if defined __cplusplus && (__GNUC_PREREQ (2,8) || __clang_major__ >= 4)
# define __THROW throw ()
# else
# define __THROW

2
lib/mktime.c
View file

@ -94,7 +94,7 @@ my_tzset (void)
const char *tz = getenv ("TZ");
if (tz != NULL && strchr (tz, '/') != NULL)
_putenv ("TZ=");
# elif HAVE_TZSET
# else
tzset ();
# endif
}

22
lib/nstrftime.c
View file

@ -21,7 +21,6 @@
# define HAVE_TM_GMTOFF 1
# define HAVE_TM_ZONE 1
# define HAVE_TZNAME 1
# define HAVE_TZSET 1
# include "../locale/localeinfo.h"
#else
# include <config.h>
@ -34,6 +33,7 @@
#endif
#include <ctype.h>
#include <errno.h>
#include <time.h>
#if HAVE_TZNAME && !HAVE_DECL_TZNAME
@ -163,7 +163,10 @@ extern char *tzname[];
size_t _w = pad == L_('-') || width < 0 ? 0 : width; \
size_t _incr = _n < _w ? _w : _n; \
if (_incr >= maxsize - i) \
return 0; \
{ \
errno = ERANGE; \
return 0; \
} \
if (p) \
{ \
if (_n < _w) \
@ -365,7 +368,7 @@ tm_diff (const struct tm *a, const struct tm *b)
#define ISO_WEEK1_WDAY 4 /* Thursday */
#define YDAY_MINIMUM (-366)
static int iso_week_days (int, int);
#ifdef __GNUC__
#if defined __GNUC__ || defined __clang__
__inline__
#endif
static int
@ -389,7 +392,6 @@ iso_week_days (int yday, int wday)
#endif
#ifdef my_strftime
# undef HAVE_TZSET
# define extra_args , tz, ns
# define extra_args_spec , timezone_t tz, int ns
#else
@ -449,6 +451,7 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
size_t maxsize = (size_t) -1;
#endif
int saved_errno = errno;
int hour12 = tp->tm_hour;
#ifdef _NL_CURRENT
/* We cannot make the following values variables since we must delay
@ -523,7 +526,7 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
{
/* POSIX.1 requires that local time zone information be used as
though strftime called tzset. */
# if HAVE_TZSET
# ifndef my_strftime
if (!*tzset_called)
{
tzset ();
@ -1188,7 +1191,13 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
time_t t;
ltm = *tp;
ltm.tm_yday = -1;
t = mktime_z (tz, &ltm);
if (ltm.tm_yday < 0)
{
errno = EOVERFLOW;
return 0;
}
/* Generate string value for T using time_t arithmetic;
this works even if sizeof (long) < sizeof (time_t). */
@ -1417,7 +1426,7 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
/* POSIX.1 requires that local time zone information be used as
though strftime called tzset. */
# if HAVE_TZSET
# ifndef my_strftime
if (!*tzset_called)
{
tzset ();
@ -1486,5 +1495,6 @@ __strftime_internal (STREAM_OR_CHAR_T *s, STRFTIME_ARG (size_t maxsize)
*p = L_('\0');
#endif
errno = saved_errno;
return i;
}

4
lib/open.c
View file

@ -30,7 +30,11 @@
static int
orig_open (const char *filename, int flags, mode_t mode)
{
#if defined _WIN32 && !defined __CYGWIN__
return _open (filename, flags, mode);
#else
return open (filename, flags, mode);
#endif
}
/* Specification. */

2
lib/regcomp.c
View file

@ -558,7 +558,7 @@ weak_alias (__regerror, regerror)
static const bitset_t utf8_sb_map =
{
/* Set the first 128 bits. */
# if defined __GNUC__ && !defined __STRICT_ANSI__
# if (defined __GNUC__ || __clang_major__ >= 4) && !defined __STRICT_ANSI__
[0 ... 0x80 / BITSET_WORD_BITS - 1] = BITSET_WORD_MAX
# else
# if 4 * BITSET_WORD_BITS < ASCII_CHARS

2
lib/regex_internal.h
View file

@ -335,7 +335,7 @@ typedef struct
Idx idx; /* for BACK_REF */
re_context_type ctx_type; /* for ANCHOR */
} opr;
#if __GNUC__ >= 2 && !defined __STRICT_ANSI__
#if (__GNUC__ >= 2 || defined __clang__) && !defined __STRICT_ANSI__
re_token_type_t type : 8;
#else
re_token_type_t type;

46
lib/stdio.in.h
View file

@ -215,6 +215,11 @@ _GL_WARN_ON_USE (fclose, "fclose is not always POSIX compliant - "
"use gnulib module fclose for portable POSIX compliance");
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef fcloseall
# define fcloseall _fcloseall
#endif
#if @GNULIB_FDOPEN@
# if @REPLACE_FDOPEN@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
@ -224,6 +229,12 @@ _GL_WARN_ON_USE (fclose, "fclose is not always POSIX compliant - "
_GL_FUNCDECL_RPL (fdopen, FILE *, (int fd, const char *mode)
_GL_ARG_NONNULL ((2)));
_GL_CXXALIAS_RPL (fdopen, FILE *, (int fd, const char *mode));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef fdopen
# define fdopen _fdopen
# endif
_GL_CXXALIAS_MDA (fdopen, FILE *, (int fd, const char *mode));
# else
_GL_CXXALIAS_SYS (fdopen, FILE *, (int fd, const char *mode));
# endif
@ -233,6 +244,9 @@ _GL_CXXALIASWARN (fdopen);
/* Assume fdopen is always declared. */
_GL_WARN_ON_USE (fdopen, "fdopen on native Windows platforms is not POSIX compliant - "
"use gnulib module fdopen for portability");
#elif defined _WIN32 && !defined __CYGWIN__
# undef fdopen
# define fdopen _fdopen
#endif
#if @GNULIB_FFLUSH@
@ -297,6 +311,11 @@ _GL_CXXALIASWARN (fgets);
# endif
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef fileno
# define fileno _fileno
#endif
#if @GNULIB_FOPEN@
# if @REPLACE_FOPEN@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
@ -824,6 +843,11 @@ _GL_WARN_ON_USE (getline, "getline is unportable - "
_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef getw
# define getw _getw
#endif
#if @GNULIB_OBSTACK_PRINTF@ || @GNULIB_OBSTACK_PRINTF_POSIX@
struct obstack;
/* Grow an obstack with formatted output. Return the number of
@ -940,7 +964,7 @@ _GL_WARN_ON_USE (popen, "popen is buggy on some platforms - "
#if @GNULIB_PRINTF_POSIX@ || @GNULIB_PRINTF@
# if (@GNULIB_PRINTF_POSIX@ && @REPLACE_PRINTF@) \
|| (@GNULIB_PRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && (@GNULIB_STDIO_H_NONBLOCKING@ || @GNULIB_STDIO_H_SIGPIPE@))
# if defined __GNUC__
# if defined __GNUC__ || defined __clang__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
/* Don't break __attribute__((format(printf,M,N))). */
# define printf __printf__
@ -1037,6 +1061,11 @@ _GL_CXXALIASWARN (puts);
# endif
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef putw
# define putw _putw
#endif
#if @GNULIB_REMOVE@
# if @REPLACE_REMOVE@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
@ -1114,7 +1143,7 @@ _GL_WARN_ON_USE (renameat, "renameat is not portable - "
#if @GNULIB_SCANF@
# if @REPLACE_STDIO_READ_FUNCS@ && @GNULIB_STDIO_H_NONBLOCKING@
# if defined __GNUC__
# if defined __GNUC__ || defined __clang__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef scanf
/* Don't break __attribute__((format(scanf,M,N))). */
@ -1170,7 +1199,9 @@ _GL_CXXALIAS_SYS (snprintf, int,
(char *restrict str, size_t size,
const char *restrict format, ...));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (snprintf);
# endif
#elif defined GNULIB_POSIXCHECK
# undef snprintf
# if HAVE_RAW_DECL_SNPRINTF
@ -1214,6 +1245,11 @@ _GL_WARN_ON_USE (sprintf, "sprintf is not always POSIX compliant - "
"POSIX compliance");
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef tempnam
# define tempnam _tempnam
#endif
#if @GNULIB_TMPFILE@
# if @REPLACE_TMPFILE@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
@ -1382,7 +1418,9 @@ _GL_CXXALIAS_SYS (vfscanf, int,
(FILE *restrict stream,
const char *restrict format, va_list args));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (vfscanf);
# endif
#endif
#if @GNULIB_VPRINTF_POSIX@ || @GNULIB_VPRINTF@
@ -1436,7 +1474,9 @@ _GL_CXXALIAS_RPL (vscanf, int, (const char *restrict format, va_list args));
# else
_GL_CXXALIAS_SYS (vscanf, int, (const char *restrict format, va_list args));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (vscanf);
# endif
#endif
#if @GNULIB_VSNPRINTF@
@ -1464,7 +1504,9 @@ _GL_CXXALIAS_SYS (vsnprintf, int,
(char *restrict str, size_t size,
const char *restrict format, va_list args));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (vsnprintf);
# endif
#elif defined GNULIB_POSIXCHECK
# undef vsnprintf
# if HAVE_RAW_DECL_VSNPRINTF

29
lib/stdlib.in.h
View file

@ -217,6 +217,21 @@ _GL_WARN_ON_USE (canonicalize_file_name,
# endif
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef ecvt
# define ecvt _ecvt
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef fcvt
# define fcvt _fcvt
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef gcvt
# define gcvt _gcvt
#endif
#if @GNULIB_GETLOADAVG@
/* Store max(NELEM,3) load average numbers in LOADAVG[].
The three numbers are the load average of the last 1 minute, the last 5
@ -468,6 +483,11 @@ _GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
# endif
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef mktemp
# define mktemp _mktemp
#endif
#if @GNULIB_POSIX_OPENPT@
/* Return an FD open to the master side of a pseudo-terminal. Flags should
include O_RDWR, and may also include O_NOCTTY. */
@ -546,10 +566,19 @@ _GL_WARN_ON_USE (ptsname_r, "ptsname_r is not portable - "
# endif
_GL_FUNCDECL_RPL (putenv, int, (char *string) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (putenv, int, (char *string));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef putenv
# define putenv _putenv
# endif
_GL_CXXALIAS_MDA (putenv, int, (char *string));
# else
_GL_CXXALIAS_SYS (putenv, int, (char *string));
# endif
_GL_CXXALIASWARN (putenv);
#elif defined _WIN32 && !defined __CYGWIN__
# undef putenv
# define putenv _putenv
#endif
#if @GNULIB_QSORT_R@

7
lib/strftime.h
View file

@ -24,7 +24,12 @@ extern "C" {
/* Just like strftime, but with two more arguments:
POSIX requires that strftime use the local timezone information.
Use the timezone __TZ instead. Use __NS as the number of
nanoseconds in the %N directive. */
nanoseconds in the %N directive.
On error, set errno and return 0. Otherwise, return the number of
bytes generated (not counting the trailing NUL), preserving errno
if the number is 0. This errno behavior is in draft POSIX 202x
plus some requested changes to POSIX. */
size_t nstrftime (char *restrict, size_t, char const *, struct tm const *,
timezone_t __tz, int __ns);

15
lib/string.in.h
View file

@ -123,6 +123,12 @@ _GL_WARN_ON_USE (ffsll, "ffsll is not portable - use the ffsll module");
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef memccpy
# define memccpy _memccpy
#endif
/* Return the first instance of C within N bytes of S, or NULL. */
#if @GNULIB_MEMCHR@
# if @REPLACE_MEMCHR@
@ -384,6 +390,12 @@ _GL_WARN_ON_USE (strchrnul, "strchrnul is unportable - "
# endif
_GL_FUNCDECL_RPL (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (strdup, char *, (char const *__s));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef strdup
# define strdup _strdup
# endif
_GL_CXXALIAS_MDA (strdup, char *, (char const *__s));
# else
# if defined __cplusplus && defined GNULIB_NAMESPACE && defined strdup
/* strdup exists as a function and as a macro. Get rid of the macro. */
@ -401,6 +413,9 @@ _GL_CXXALIASWARN (strdup);
_GL_WARN_ON_USE (strdup, "strdup is unportable - "
"use gnulib module strdup for portability");
# endif
#elif defined _WIN32 && !defined __CYGWIN__
# undef strdup
# define strdup _strdup
#endif
/* Append no more than N characters from SRC onto DEST. */

6
lib/sys_select.in.h
View file

@ -177,14 +177,14 @@ rpl_fd_isset (SOCKET fd, fd_set * set)
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef close
# define close close_used_without_including_unistd_h
# else
# elif !defined __clang__
_GL_WARN_ON_USE (close,
"close() used without including <unistd.h>");
# endif
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef gethostname
# define gethostname gethostname_used_without_including_unistd_h
# else
# elif !defined __clang__
_GL_WARN_ON_USE (gethostname,
"gethostname() used without including <unistd.h>");
# endif
@ -219,7 +219,7 @@ rpl_fd_isset (SOCKET fd, fd_set * set)
# define setsockopt setsockopt_used_without_including_sys_socket_h
# undef shutdown
# define shutdown shutdown_used_without_including_sys_socket_h
# else
# elif !defined __clang__
_GL_WARN_ON_USE (socket,
"socket() used without including <sys/socket.h>");
_GL_WARN_ON_USE (connect,

14
lib/sys_stat.in.h
View file

@ -391,6 +391,12 @@ struct stat
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef chmod
# define chmod _chmod
#endif
#if @GNULIB_FCHMODAT@
# if @REPLACE_FCHMODAT@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
@ -432,7 +438,9 @@ _GL_CXXALIAS_RPL (fstat, int, (int fd, struct stat *buf));
# else
_GL_CXXALIAS_SYS (fstat, int, (int fd, struct stat *buf));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (fstat);
# endif
#elif @GNULIB_OVERRIDES_STRUCT_STAT@
# undef fstat
# define fstat fstat_used_without_requesting_gnulib_module_fstat
@ -800,6 +808,12 @@ _GL_WARN_ON_USE (stat, "stat is unportable - "
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef umask
# define umask _umask
#endif
#if @GNULIB_UTIMENSAT@
/* Use the rpl_ prefix also on Solaris <= 9, because on Solaris 9 our utimensat
implementation relies on futimesat, which on Solaris 10 makes an invocation

2
lib/sys_time.in.h
View file

@ -135,7 +135,7 @@ _GL_WARN_ON_USE (gettimeofday, "gettimeofday is unportable - "
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef close
# define close close_used_without_including_unistd_h
# else
# elif !defined __clang__
_GL_WARN_ON_USE (close,
"close() used without including <unistd.h>");
# endif

12
lib/time.in.h
View file

@ -135,13 +135,19 @@ _GL_CXXALIASWARN (nanosleep);
# endif
_GL_FUNCDECL_RPL (tzset, void, (void));
_GL_CXXALIAS_RPL (tzset, void, (void));
# else
# if ! @HAVE_TZSET@
_GL_FUNCDECL_SYS (tzset, void, (void));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef tzset
# define tzset _tzset
# endif
_GL_CXXALIAS_MDA (tzset, void, (void));
# else
_GL_CXXALIAS_SYS (tzset, void, (void));
# endif
_GL_CXXALIASWARN (tzset);
# elif defined _WIN32 && !defined __CYGWIN__
# undef tzset
# define tzset _tzset
# endif
/* Return the 'time_t' representation of TP and normalize TP. */

51
lib/time_rz.c
View file

@ -54,31 +54,6 @@ enum { ABBR_SIZE_MIN = DEFAULT_MXFAST - offsetof (struct tm_zone, abbrs) };
matters; the pointer is never dereferenced. */
static timezone_t const local_tz = (timezone_t) 1;
#if HAVE_TM_ZONE || HAVE_TZNAME
/* Return true if the values A and B differ according to the rules for
tm_isdst: A and B differ if one is zero and the other positive. */
static bool
isdst_differ (int a, int b)
{
return !a != !b && 0 <= a && 0 <= b;
}
/* Return true if A and B are equal. */
static int
equal_tm (const struct tm *a, const struct tm *b)
{
return ! ((a->tm_sec ^ b->tm_sec)
| (a->tm_min ^ b->tm_min)
| (a->tm_hour ^ b->tm_hour)
| (a->tm_mday ^ b->tm_mday)
| (a->tm_mon ^ b->tm_mon)
| (a->tm_year ^ b->tm_year)
| isdst_differ (a->tm_isdst, b->tm_isdst));
}
#endif
/* Copy to ABBRS the abbreviation at ABBR with size ABBR_SIZE (this
includes its trailing null byte). Append an extra null byte to
mark the end of ABBRS. */
@ -327,17 +302,25 @@ mktime_z (timezone_t tz, struct tm *tm)
timezone_t old_tz = set_tz (tz);
if (old_tz)
{
time_t t = mktime (tm);
#if HAVE_TM_ZONE || HAVE_TZNAME
time_t badtime = -1;
struct tm tm_1;
if ((t != badtime
|| (localtime_r (&t, &tm_1) && equal_tm (tm, &tm_1)))
&& !save_abbr (tz, tm))
t = badtime;
tm_1.tm_sec = tm->tm_sec;
tm_1.tm_min = tm->tm_min;
tm_1.tm_hour = tm->tm_hour;
tm_1.tm_mday = tm->tm_mday;
tm_1.tm_mon = tm->tm_mon;
tm_1.tm_year = tm->tm_year;
tm_1.tm_yday = -1;
tm_1.tm_isdst = tm->tm_isdst;
time_t t = mktime (&tm_1);
bool ok = 0 <= tm_1.tm_yday;
#if HAVE_TM_ZONE || HAVE_TZNAME
ok = ok && save_abbr (tz, &tm_1);
#endif
if (revert_tz (old_tz))
return t;
if (revert_tz (old_tz) && ok)
{
*tm = tm_1;
return t;
}
}
return -1;
}

159
lib/unistd.in.h
View file

@ -273,6 +273,12 @@ _GL_INLINE_HEADER_BEGIN
_GL_FUNCDECL_RPL (access, int, (const char *file, int mode)
_GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (access, int, (const char *file, int mode));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef access
# define access _access
# endif
_GL_CXXALIAS_MDA (access, int, (const char *file, int mode));
# else
_GL_CXXALIAS_SYS (access, int, (const char *file, int mode));
# endif
@ -286,11 +292,22 @@ _GL_WARN_ON_USE (access, "access does not always support X_OK - "
"also, this function is a security risk - "
"use the gnulib module faccessat instead");
# endif
#elif defined _WIN32 && !defined __CYGWIN__
# undef access
# define access _access
#endif
#if @GNULIB_CHDIR@
# if defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef chdir
# define chdir _chdir
# endif
_GL_CXXALIAS_MDA (chdir, int, (const char *file));
# else
_GL_CXXALIAS_SYS (chdir, int, (const char *file) _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIASWARN (chdir);
#elif defined GNULIB_POSIXCHECK
# undef chdir
@ -298,6 +315,9 @@ _GL_CXXALIASWARN (chdir);
_GL_WARN_ON_USE (chown, "chdir is not always in <unistd.h> - "
"use gnulib module chdir for portability");
# endif
#elif defined _WIN32 && !defined __CYGWIN__
# undef chdir
# define chdir _chdir
#endif
@ -342,6 +362,12 @@ _GL_WARN_ON_USE (chown, "chown fails to follow symlinks on some systems and "
# endif
_GL_FUNCDECL_RPL (close, int, (int fd));
_GL_CXXALIAS_RPL (close, int, (int fd));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef close
# define close _close
# endif
_GL_CXXALIAS_MDA (close, int, (int fd));
# else
_GL_CXXALIAS_SYS (close, int, (int fd));
# endif
@ -354,6 +380,9 @@ _GL_CXXALIASWARN (close);
/* Assume close is always declared. */
_GL_WARN_ON_USE (close, "close does not portably work on sockets - "
"use gnulib module close for portability");
#elif defined _WIN32 && !defined __CYGWIN__
# undef close
# define close _close
#endif
@ -382,6 +411,12 @@ _GL_WARN_ON_USE (copy_file_range,
# endif
_GL_FUNCDECL_RPL (dup, int, (int oldfd));
_GL_CXXALIAS_RPL (dup, int, (int oldfd));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef dup
# define dup _dup
# endif
_GL_CXXALIAS_MDA (dup, int, (int oldfd));
# else
_GL_CXXALIAS_SYS (dup, int, (int oldfd));
# endif
@ -392,6 +427,9 @@ _GL_CXXALIASWARN (dup);
_GL_WARN_ON_USE (dup, "dup is unportable - "
"use gnulib module dup for portability");
# endif
#elif defined _WIN32 && !defined __CYGWIN__
# undef dup
# define dup _dup
#endif
@ -407,6 +445,12 @@ _GL_WARN_ON_USE (dup, "dup is unportable - "
# endif
_GL_FUNCDECL_RPL (dup2, int, (int oldfd, int newfd));
_GL_CXXALIAS_RPL (dup2, int, (int oldfd, int newfd));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef dup2
# define dup2 _dup2
# endif
_GL_CXXALIAS_MDA (dup2, int, (int oldfd, int newfd));
# else
_GL_CXXALIAS_SYS (dup2, int, (int oldfd, int newfd));
# endif
@ -417,6 +461,9 @@ _GL_CXXALIASWARN (dup2);
_GL_WARN_ON_USE (dup2, "dup2 is unportable - "
"use gnulib module dup2 for portability");
# endif
#elif defined _WIN32 && !defined __CYGWIN__
# undef dup2
# define dup2 _dup2
#endif
@ -517,6 +564,43 @@ _GL_WARN_ON_USE (euidaccess, "euidaccess is unportable - "
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef execl
# define execl _execl
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef execle
# define execle _execle
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef execlp
# define execlp _execlp
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef execv
# define execv _execv
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef execve
# define execve _execve
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef execvp
# define execvp _execvp
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef execvpe
# define execvpe _execvpe
#endif
#if @GNULIB_FACCESSAT@
# if @REPLACE_FACCESSAT@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
@ -692,6 +776,12 @@ _GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - "
# endif
_GL_FUNCDECL_RPL (getcwd, char *, (char *buf, size_t size));
_GL_CXXALIAS_RPL (getcwd, char *, (char *buf, size_t size));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef getcwd
# define getcwd _getcwd
# endif
_GL_CXXALIAS_MDA (getcwd, char *, (char *buf, size_t size));
# else
/* Need to cast, because on mingw, the second parameter is
int size. */
@ -704,6 +794,9 @@ _GL_CXXALIASWARN (getcwd);
_GL_WARN_ON_USE (getcwd, "getcwd is unportable - "
"use gnulib module getcwd for portability");
# endif
#elif defined _WIN32 && !defined __CYGWIN__
# undef getcwd
# define getcwd _getcwd
#endif
@ -1038,6 +1131,12 @@ _GL_WARN_ON_USE (getpass, "getpass is unportable - "
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef getpid
# define getpid _getpid
#endif
#if @GNULIB_GETUSERSHELL@
/* Return the next valid login shell on the system, or NULL when the end of
the list has been reached. */
@ -1110,6 +1209,12 @@ _GL_WARN_ON_USE (group_member, "group_member is unportable - "
# endif
_GL_FUNCDECL_RPL (isatty, int, (int fd));
_GL_CXXALIAS_RPL (isatty, int, (int fd));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef isatty
# define isatty _isatty
# endif
_GL_CXXALIAS_MDA (isatty, int, (int fd));
# else
_GL_CXXALIAS_SYS (isatty, int, (int fd));
# endif
@ -1120,6 +1225,9 @@ _GL_CXXALIASWARN (isatty);
_GL_WARN_ON_USE (isatty, "isatty has portability problems on native Windows - "
"use gnulib module isatty for portability");
# endif
#elif defined _WIN32 && !defined __CYGWIN__
# undef isatty
# define isatty _isatty
#endif
@ -1231,6 +1339,12 @@ _GL_WARN_ON_USE (linkat, "linkat is unportable - "
# endif
_GL_FUNCDECL_RPL (lseek, off_t, (int fd, off_t offset, int whence));
_GL_CXXALIAS_RPL (lseek, off_t, (int fd, off_t offset, int whence));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef lseek
# define lseek _lseek
# endif
_GL_CXXALIAS_MDA (lseek, off_t, (int fd, off_t offset, int whence));
# else
_GL_CXXALIAS_SYS (lseek, off_t, (int fd, off_t offset, int whence));
# endif
@ -1241,6 +1355,9 @@ _GL_CXXALIASWARN (lseek);
_GL_WARN_ON_USE (lseek, "lseek does not fail with ESPIPE on pipes on some "
"systems - use gnulib module lseek for portability");
# endif
#elif defined _WIN32 && !defined __CYGWIN__
# undef lseek
# define lseek _lseek
#endif
@ -1373,6 +1490,12 @@ _GL_WARN_ON_USE (pwrite, "pwrite is unportable - "
_GL_FUNCDECL_RPL (read, ssize_t, (int fd, void *buf, size_t count)
_GL_ARG_NONNULL ((2)));
_GL_CXXALIAS_RPL (read, ssize_t, (int fd, void *buf, size_t count));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef read
# define read _read
# endif
_GL_CXXALIAS_MDA (read, ssize_t, (int fd, void *buf, size_t count));
# else
/* Need to cast, because on mingw, the third parameter is
unsigned int count
@ -1380,6 +1503,9 @@ _GL_CXXALIAS_RPL (read, ssize_t, (int fd, void *buf, size_t count));
_GL_CXXALIAS_SYS_CAST (read, ssize_t, (int fd, void *buf, size_t count));
# endif
_GL_CXXALIASWARN (read);
#elif defined _WIN32 && !defined __CYGWIN__
# undef read
# define read _read
#endif
@ -1462,6 +1588,12 @@ _GL_WARN_ON_USE (readlinkat, "readlinkat is not portable - "
# endif
_GL_FUNCDECL_RPL (rmdir, int, (char const *name) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (rmdir, int, (char const *name));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef rmdir
# define rmdir _rmdir
# endif
_GL_CXXALIAS_MDA (rmdir, int, (char const *name));
# else
_GL_CXXALIAS_SYS (rmdir, int, (char const *name));
# endif
@ -1472,6 +1604,9 @@ _GL_CXXALIASWARN (rmdir);
_GL_WARN_ON_USE (rmdir, "rmdir is unportable - "
"use gnulib module rmdir for portability");
# endif
#elif defined _WIN32 && !defined __CYGWIN__
# undef rmdir
# define rmdir _rmdir
#endif
@ -1530,6 +1665,12 @@ _GL_WARN_ON_USE (sleep, "sleep is unportable - "
#endif
#if defined _WIN32 && !defined __CYGWIN__
# undef swab
# define swab _swab
#endif
#if @GNULIB_SYMLINK@
# if @REPLACE_SYMLINK@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
@ -1654,6 +1795,12 @@ _GL_WARN_ON_USE (ttyname_r, "ttyname_r is not portable - "
# endif
_GL_FUNCDECL_RPL (unlink, int, (char const *file) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (unlink, int, (char const *file));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef unlink
# define unlink _unlink
# endif
_GL_CXXALIAS_MDA (unlink, int, (char const *file));
# else
_GL_CXXALIAS_SYS (unlink, int, (char const *file));
# endif
@ -1664,6 +1811,9 @@ _GL_CXXALIASWARN (unlink);
_GL_WARN_ON_USE (unlink, "unlink is not portable - "
"use gnulib module unlink for portability");
# endif
#elif defined _WIN32 && !defined __CYGWIN__
# undef unlink
# define unlink _unlink
#endif
@ -1735,6 +1885,12 @@ _GL_WARN_ON_USE (usleep, "usleep is unportable - "
_GL_FUNCDECL_RPL (write, ssize_t, (int fd, const void *buf, size_t count)
_GL_ARG_NONNULL ((2)));
_GL_CXXALIAS_RPL (write, ssize_t, (int fd, const void *buf, size_t count));
# elif defined _WIN32 && !defined __CYGWIN__
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef write
# define write _write
# endif
_GL_CXXALIAS_MDA (write, ssize_t, (int fd, const void *buf, size_t count));
# else
/* Need to cast, because on mingw, the third parameter is
unsigned int count
@ -1742,6 +1898,9 @@ _GL_CXXALIAS_RPL (write, ssize_t, (int fd, const void *buf, size_t count));
_GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count));
# endif
_GL_CXXALIASWARN (write);
#elif defined _WIN32 && !defined __CYGWIN__
# undef write
# define write _write
#endif
_GL_INLINE_HEADER_END

23
lib/verify.h
View file

@ -23,11 +23,15 @@
/* Define _GL_HAVE__STATIC_ASSERT to 1 if _Static_assert (R, DIAGNOSTIC)
works as per C11. This is supported by GCC 4.6.0 and later, in C
mode.
mode, and by clang (also in C++ mode).
Define _GL_HAVE__STATIC_ASSERT1 to 1 if _Static_assert (R) works as
per C2X, and define _GL_HAVE_STATIC_ASSERT1 if static_assert (R)
works as per C++17. This is supported by GCC 9.1 and later.
per C2X. This is supported by GCC 9.1 and later, and by clang in
C++1z mode.
Define _GL_HAVE_STATIC_ASSERT1 if static_assert (R) works as per
C++17. This is supported by GCC 9.1 and later, and by clang in
C++1z mode.
Support compilers claiming conformance to the relevant standard,
and also support GCC when not pedantic. If we were willing to slow
@ -35,7 +39,8 @@
since this affects only the quality of diagnostics, why bother? */
#ifndef __cplusplus
# if (201112L <= __STDC_VERSION__ \
|| (!defined __STRICT_ANSI__ && 4 < __GNUC__ + (6 <= __GNUC_MINOR__)))
|| (!defined __STRICT_ANSI__ \
&& (4 < __GNUC__ + (6 <= __GNUC_MINOR__) || 4 <= __clang_major__)))
# define _GL_HAVE__STATIC_ASSERT 1
# endif
# if (202000L <= __STDC_VERSION__ \
@ -43,7 +48,15 @@
# define _GL_HAVE__STATIC_ASSERT1 1
# endif
#else
# if 201703L <= __cplusplus || 9 <= __GNUC__
# if 4 <= __clang_major__
# define _GL_HAVE__STATIC_ASSERT 1
# endif
# if 4 <= __clang_major__ && 201411 <= __cpp_static_assert
# define _GL_HAVE__STATIC_ASSERT1 1
# endif
# if 201703L <= __cplusplus \
|| 9 <= __GNUC__ \
|| (4 <= __clang_major__ && 201411 <= __cpp_static_assert)
# define _GL_HAVE_STATIC_ASSERT1 1
# endif
#endif

38
m4/00gnulib.m4
View file

@ -1,44 +1,12 @@
# 00gnulib.m4 serial 7
# 00gnulib.m4 serial 8
dnl Copyright (C) 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file must be named something that sorts before all other
dnl gnulib-provided .m4 files. The first part is needed until such time
dnl as we can assume Autoconf 2.64, with its improved AC_DEFUN_ONCE and
dnl m4_divert semantics. The second part is needed until the clang fix
dnl has been included in Autoconf.
# Until autoconf 2.63, handling of the diversion stack required m4_init
# to be called first; but this does not happen with aclocal. Wrapping
# the entire execution in another layer of the diversion stack fixes this.
# Worse, prior to autoconf 2.62, m4_wrap depended on the underlying m4
# for whether it was FIFO or LIFO; in order to properly balance with
# m4_init, we need to undo our push just before anything wrapped within
# the m4_init body. The way to ensure this is to wrap both sides of
# m4_init with a one-shot macro that does the pop at the right time.
m4_ifndef([_m4_divert_diversion],
[m4_divert_push([KILL])
m4_define([gl_divert_fixup], [m4_divert_pop()m4_define([$0])])
m4_define([m4_init],
[gl_divert_fixup()]m4_defn([m4_init])[gl_divert_fixup()])])
# AC_DEFUN_ONCE([NAME], VALUE)
# ----------------------------
# Define NAME to expand to VALUE on the first use (whether by direct
# expansion, or by AC_REQUIRE), and to nothing on all subsequent uses.
# Avoid bugs in AC_REQUIRE in Autoconf 2.63 and earlier. This
# definition is slower than the version in Autoconf 2.64, because it
# can only use interfaces that existed since 2.59; but it achieves the
# same effect. Quoting is necessary to avoid confusing Automake.
m4_version_prereq([2.63.263], [],
[m4_define([AC][_DEFUN_ONCE],
[AC][_DEFUN([$1],
[AC_REQUIRE([_gl_DEFUN_ONCE([$1])],
[m4_indir([_gl_DEFUN_ONCE([$1])])])])]dnl
[AC][_DEFUN([_gl_DEFUN_ONCE([$1])], [$2])])])
dnl gnulib-provided .m4 files. It is needed until the clang fix has
dnl been included in Autoconf.
# The following definitions arrange to use a compiler option
# -Werror=implicit-function-declaration in AC_CHECK_DECL, when the

10
m4/absolute-header.m4
View file

@ -1,4 +1,4 @@
# absolute-header.m4 serial 16
# absolute-header.m4 serial 17
dnl Copyright (C) 2006-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -22,23 +22,21 @@ dnl From Derek Price.
AC_DEFUN([gl_ABSOLUTE_HEADER],
[AC_REQUIRE([AC_CANONICAL_HOST])
AC_LANG_PREPROC_REQUIRE()dnl
dnl FIXME: gl_absolute_header and ac_header_exists must be used unquoted
dnl until we can assume autoconf 2.64 or newer.
m4_foreach_w([gl_HEADER_NAME], [$1],
[AS_VAR_PUSHDEF([gl_absolute_header],
[gl_cv_absolute_]m4_defn([gl_HEADER_NAME]))dnl
AC_CACHE_CHECK([absolute name of <]m4_defn([gl_HEADER_NAME])[>],
m4_defn([gl_absolute_header]),
[gl_absolute_header],
[AS_VAR_PUSHDEF([ac_header_exists],
[ac_cv_header_]m4_defn([gl_HEADER_NAME]))dnl
AC_CHECK_HEADERS_ONCE(m4_defn([gl_HEADER_NAME]))dnl
if test AS_VAR_GET(ac_header_exists) = yes; then
if test AS_VAR_GET([ac_header_exists]) = yes; then
gl_ABSOLUTE_HEADER_ONE(m4_defn([gl_HEADER_NAME]))
fi
AS_VAR_POPDEF([ac_header_exists])dnl
])dnl
AC_DEFINE_UNQUOTED(AS_TR_CPP([ABSOLUTE_]m4_defn([gl_HEADER_NAME])),
["AS_VAR_GET(gl_absolute_header)"],
["AS_VAR_GET([gl_absolute_header])"],
[Define this to an absolute name of <]m4_defn([gl_HEADER_NAME])[>.])
AS_VAR_POPDEF([gl_absolute_header])dnl
])dnl

4
m4/alloca.m4
View file

@ -1,4 +1,4 @@
# alloca.m4 serial 17
# alloca.m4 serial 18
dnl Copyright (C) 2002-2004, 2006-2007, 2009-2020 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
@ -102,7 +102,7 @@ AH_VERBATIM([STACK_DIRECTION],
STACK_DIRECTION > 0 => grows toward higher addresses
STACK_DIRECTION < 0 => grows toward lower addresses
STACK_DIRECTION = 0 => direction of growth unknown */
@%:@undef STACK_DIRECTION])dnl
#undef STACK_DIRECTION])dnl
AC_DEFINE_UNQUOTED(STACK_DIRECTION, $ac_cv_c_stack_direction)
])
])

14
m4/canonicalize.m4
View file

@ -1,4 +1,4 @@
# canonicalize.m4 serial 31
# canonicalize.m4 serial 33
dnl Copyright (C) 2003-2007, 2009-2020 Free Software Foundation, Inc.
@ -56,7 +56,16 @@ AC_DEFUN([gl_CANONICALIZE_LGPL],
AC_DEFUN([gl_CANONICALIZE_LGPL_SEPARATE],
[
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_CHECK_FUNCS_ONCE([canonicalize_file_name getcwd readlink])
AC_CHECK_FUNCS_ONCE([canonicalize_file_name readlink])
dnl On native Windows, we use _getcwd(), regardless whether getcwd() is
dnl available through the linker option '-loldnames'.
AC_REQUIRE([AC_CANONICAL_HOST])
case "$host_os" in
mingw*) ;;
*) AC_CHECK_FUNCS([getcwd]) ;;
esac
AC_REQUIRE([gl_DOUBLE_SLASH_ROOT])
AC_REQUIRE([gl_FUNC_REALPATH_WORKS])
AC_CHECK_HEADERS_ONCE([sys/param.h])
@ -70,6 +79,7 @@ AC_DEFUN([gl_FUNC_REALPATH_WORKS],
AC_CHECK_FUNCS_ONCE([realpath])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether realpath works], [gl_cv_func_realpath_works], [
rm -rf conftest.a conftest.d
touch conftest.a
mkdir conftest.d
AC_RUN_IFELSE([

3
m4/dup2.m4
View file

@ -1,4 +1,4 @@
#serial 26
#serial 27
dnl Copyright (C) 2002, 2005, 2007, 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -16,6 +16,7 @@ AC_DEFUN([gl_FUNC_DUP2],
#include <limits.h>
#include <sys/resource.h>
#include <unistd.h>
]GL_MDA_DEFINES[
#ifndef RLIM_SAVED_CUR
# define RLIM_SAVED_CUR RLIM_INFINITY
#endif

4
m4/fchmodat.m4
View file

@ -1,4 +1,4 @@
# fchmodat.m4 serial 4
# fchmodat.m4 serial 5
dnl Copyright (C) 2004-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -40,7 +40,7 @@ AC_DEFUN([gl_FUNC_FCHMODAT],
#ifndef S_IRWXO
#define S_IRWXO 0007
#endif
]],
]GL_MDA_DEFINES],
[[
int permissive = S_IRWXU | S_IRWXG | S_IRWXO;
int desired = S_IRUSR | S_IWUSR;

3
m4/fcntl.m4
View file

@ -1,4 +1,4 @@
# fcntl.m4 serial 9
# fcntl.m4 serial 10
dnl Copyright (C) 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -34,6 +34,7 @@ AC_DEFUN([gl_FUNC_FCNTL],
#include <limits.h>
#include <sys/resource.h>
#include <unistd.h>
]GL_MDA_DEFINES[
#ifndef RLIM_SAVED_CUR
# define RLIM_SAVED_CUR RLIM_INFINITY
#endif

20
m4/fdopendir.m4
View file

@ -1,4 +1,4 @@
# serial 12
# serial 14
# See if we need to provide fdopendir.
dnl Copyright (C) 2009-2020 Free Software Foundation, Inc.
@ -25,10 +25,12 @@ AC_DEFUN([gl_FUNC_FDOPENDIR],
else
AC_CACHE_CHECK([whether fdopendir works],
[gl_cv_func_fdopendir_works],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([[
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[
#include <dirent.h>
#include <fcntl.h>
#include <unistd.h>
]GL_MDA_DEFINES[
#if !HAVE_DECL_FDOPENDIR
extern
# ifdef __cplusplus
@ -36,12 +38,14 @@ extern
# endif
DIR *fdopendir (int);
#endif
]], [int result = 0;
int fd = open ("conftest.c", O_RDONLY);
if (fd < 0) result |= 1;
if (fdopendir (fd)) result |= 2;
if (close (fd)) result |= 4;
return result;])],
]],
[[int result = 0;
int fd = open ("conftest.c", O_RDONLY);
if (fd < 0) result |= 1;
if (fdopendir (fd)) result |= 2;
if (close (fd)) result |= 4;
return result;
]])],
[gl_cv_func_fdopendir_works=yes],
[gl_cv_func_fdopendir_works=no],
[case "$host_os" in

4
m4/fpending.m4
View file

@ -1,4 +1,4 @@
# serial 22
# serial 23
# Copyright (C) 2000-2001, 2004-2020 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
@ -25,7 +25,7 @@ AC_DEFUN([gl_FUNC_FPENDING],
AC_CACHE_CHECK([for __fpending], [gl_cv_func___fpending],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([$fp_headers],
[AC_LANG_PROGRAM([[$fp_headers]],
[[return ! __fpending (stdin);]])],
[gl_cv_func___fpending=yes],
[gl_cv_func___fpending=no])

5
m4/futimens.m4
View file

@ -1,4 +1,4 @@
# serial 8
# serial 9
# See if we need to provide futimens replacement.
dnl Copyright (C) 2009-2020 Free Software Foundation, Inc.
@ -24,7 +24,8 @@ AC_DEFUN([gl_FUNC_FUTIMENS],
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
]], [[struct timespec ts[2];
]GL_MDA_DEFINES],
[[struct timespec ts[2];
int fd = creat ("conftest.file", 0600);
struct stat st;
if (fd < 0) return 1;

19
m4/getdtablesize.m4
View file

@ -1,4 +1,4 @@
# getdtablesize.m4 serial 7
# getdtablesize.m4 serial 8
dnl Copyright (C) 2008-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -29,13 +29,16 @@ AC_DEFUN([gl_FUNC_GETDTABLESIZE],
dnl correctly require setrlimit before getdtablesize() can report
dnl a larger value.
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[#include <unistd.h>]],
[int size = getdtablesize();
if (dup2 (0, getdtablesize()) != -1)
return 1;
if (size != getdtablesize())
return 2;
])],
AC_LANG_PROGRAM(
[[#include <unistd.h>]
GL_MDA_DEFINES
],
[[int size = getdtablesize();
if (dup2 (0, getdtablesize()) != -1)
return 1;
if (size != getdtablesize())
return 2;
]])],
[gl_cv_func_getdtablesize_works=yes],
[gl_cv_func_getdtablesize_works=no],
[case "$host_os" in

4
m4/getloadavg.m4
View file

@ -7,7 +7,7 @@
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
#serial 9
#serial 10
# Autoconf defines AC_FUNC_GETLOADAVG, but that is obsolescent.
# New applications should use gl_GETLOADAVG instead.
@ -147,7 +147,7 @@ fi
AC_CHECK_HEADERS([nlist.h],
[AC_CHECK_MEMBERS([struct nlist.n_un.n_name],
[], [],
[@%:@include <nlist.h>])
[#include <nlist.h>])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <nlist.h>]],
[[struct nlist x;
#ifdef HAVE_STRUCT_NLIST_N_UN_N_NAME

82
m4/gnulib-common.m4
View file

@ -1,4 +1,4 @@
# gnulib-common.m4 serial 55
# gnulib-common.m4 serial 57
dnl Copyright (C) 2007-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -480,14 +480,6 @@ AC_DEFUN([gl_FEATURES_H],
AC_SUBST([HAVE_FEATURES_H])
])
# AS_VAR_IF(VAR, VALUE, [IF-MATCH], [IF-NOT-MATCH])
# ----------------------------------------------------
# Backport of autoconf-2.63b's macro.
# Remove this macro when we can assume autoconf >= 2.64.
m4_ifndef([AS_VAR_IF],
[m4_define([AS_VAR_IF],
[AS_IF([test x"AS_VAR_GET([$1])" = x""$2], [$3], [$4])])])
# gl_PROG_CC_C99
# Modifies the value of the shell variable CC in an attempt to make $CC
# understand ISO C99 source code.
@ -660,6 +652,72 @@ AC_DEFUN([gl_CACHE_VAL_SILENT],
as_echo_n="$saved_as_echo_n"
])
# AS_VAR_COPY was added in autoconf 2.63b
m4_define_default([AS_VAR_COPY],
[AS_LITERAL_IF([$1[]$2], [$1=$$2], [eval $1=\$$2])])
dnl Expands to some code for use in .c programs that, on native Windows, defines
dnl the Microsoft deprecated alias function names to the underscore-prefixed
dnl actual function names. With this macro, these function names are available
dnl without linking with '-loldnames' and without generating warnings.
dnl Usage: Use it after all system header files are included.
dnl #include <...>
dnl #include <...>
dnl ]GL_MDA_DEFINES[
dnl ...
AC_DEFUN([GL_MDA_DEFINES],[
AC_REQUIRE([_GL_MDA_DEFINES])
[$gl_mda_defines]
])
AC_DEFUN([_GL_MDA_DEFINES],
[gl_mda_defines='
#if defined _WIN32 && !defined __CYGWIN__
#define access _access
#define chdir _chdir
#define chmod _chmod
#define close _close
#define creat _creat
#define dup _dup
#define dup2 _dup2
#define ecvt _ecvt
#define execl _execl
#define execle _execle
#define execlp _execlp
#define execv _execv
#define execve _execve
#define execvp _execvp
#define execvpe _execvpe
#define fcloseall _fcloseall
#define fcvt _fcvt
#define fdopen _fdopen
#define fileno _fileno
#define gcvt _gcvt
#define getcwd _getcwd
#define getpid _getpid
#define getw _getw
#define isatty _isatty
#define j0 _j0
#define j1 _j1
#define jn _jn
#define lfind _lfind
#define lsearch _lsearch
#define lseek _lseek
#define memccpy _memccpy
#define mkdir _mkdir
#define mktemp _mktemp
#define open _open
#define putenv _putenv
#define putw _putw
#define read _read
#define rmdir _rmdir
#define strdup _strdup
#define swab _swab
#define tempnam _tempnam
#define tzset _tzset
#define umask _umask
#define unlink _unlink
#define utime _utime
#define wcsdup _wcsdup
#define write _write
#define y0 _y0
#define y1 _y1
#define yn _yn
#endif
'
])

18
m4/include_next.m4
View file

@ -1,4 +1,4 @@
# include_next.m4 serial 24
# include_next.m4 serial 25
dnl Copyright (C) 2006-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -176,42 +176,40 @@ AC_DEFUN([gl_NEXT_HEADERS_INTERNAL],
[AC_CHECK_HEADERS_ONCE([$1])
])
dnl FIXME: gl_next_header and gl_header_exists must be used unquoted
dnl until we can assume autoconf 2.64 or newer.
m4_foreach_w([gl_HEADER_NAME], [$1],
[AS_VAR_PUSHDEF([gl_next_header],
[gl_cv_next_]m4_defn([gl_HEADER_NAME]))
if test $gl_cv_have_include_next = yes; then
AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
else
AC_CACHE_CHECK(
[absolute name of <]m4_defn([gl_HEADER_NAME])[>],
m4_defn([gl_next_header]),
[gl_next_header],
[m4_if([$2], [check],
[AS_VAR_PUSHDEF([gl_header_exists],
[ac_cv_header_]m4_defn([gl_HEADER_NAME]))
if test AS_VAR_GET(gl_header_exists) = yes; then
if test AS_VAR_GET([gl_header_exists]) = yes; then
AS_VAR_POPDEF([gl_header_exists])
])
gl_ABSOLUTE_HEADER_ONE(gl_HEADER_NAME)
AS_VAR_COPY([gl_header], [gl_cv_absolute_]AS_TR_SH(gl_HEADER_NAME))
AS_VAR_SET(gl_next_header, ['"'$gl_header'"'])
AS_VAR_SET([gl_next_header], ['"'$gl_header'"'])
m4_if([$2], [check],
[else
AS_VAR_SET(gl_next_header, ['<'gl_HEADER_NAME'>'])
AS_VAR_SET([gl_next_header], ['<'gl_HEADER_NAME'>'])
fi
])
])
fi
AC_SUBST(
AS_TR_CPP([NEXT_]m4_defn([gl_HEADER_NAME])),
[AS_VAR_GET(gl_next_header)])
[AS_VAR_GET([gl_next_header])])
if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
# INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
gl_next_as_first_directive='<'gl_HEADER_NAME'>'
else
# INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
gl_next_as_first_directive=AS_VAR_GET(gl_next_header)
gl_next_as_first_directive=AS_VAR_GET([gl_next_header])
fi
AC_SUBST(
AS_TR_CPP([NEXT_AS_FIRST_DIRECTIVE_]m4_defn([gl_HEADER_NAME])),

6
m4/largefile.m4
View file

@ -30,12 +30,12 @@ m4_version_prereq([2.70], [] ,[
# _AC_SYS_LARGEFILE_TEST_INCLUDES
# -------------------------------
m4_define([_AC_SYS_LARGEFILE_TEST_INCLUDES],
[@%:@include <sys/types.h>
[#include <sys/types.h>
/* Check that off_t can represent 2**63 - 1 correctly.
We can't simply define LARGE_OFF_T to be 9223372036854775807,
since some C++ compilers masquerading as C compilers
incorrectly reject 9223372036854775807. */
@%:@define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31))
int off_t_is_large[[(LARGE_OFF_T % 2147483629 == 721
&& LARGE_OFF_T % 2147483647 == 1)
? 1 : -1]];[]dnl
@ -54,7 +54,7 @@ m4_define([_AC_SYS_LARGEFILE_MACRO_VALUE],
[AC_LANG_PROGRAM([$5], [$6])],
[$3=no; break])
m4_ifval([$6], [AC_LINK_IFELSE], [AC_COMPILE_IFELSE])(
[AC_LANG_PROGRAM([@%:@define $1 $2
[AC_LANG_PROGRAM([#define $1 $2
$5], [$6])],
[$3=$2; break])
$3=unknown

8
m4/manywarnings.m4
View file

@ -1,4 +1,4 @@
# manywarnings.m4 serial 20
# manywarnings.m4 serial 21
dnl Copyright (C) 2008-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -39,8 +39,7 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC],
[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
# Specialization for _AC_LANG = C.
# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b.
m4_defun([gl_MANYWARN_ALL_GCC(C)],
AC_DEFUN([gl_MANYWARN_ALL_GCC(C)],
[
AC_LANG_PUSH([C])
@ -210,8 +209,7 @@ m4_defun([gl_MANYWARN_ALL_GCC(C)],
])
# Specialization for _AC_LANG = C++.
# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b.
m4_defun([gl_MANYWARN_ALL_GCC(C++)],
AC_DEFUN([gl_MANYWARN_ALL_GCC(C++)],
[
gl_MANYWARN_ALL_GCC_CXX_IMPL([$1])
])

8
m4/mktime.m4
View file

@ -1,4 +1,4 @@
# serial 32
# serial 35
dnl Copyright (C) 2002-2003, 2005-2007, 2009-2020 Free Software Foundation,
dnl Inc.
dnl This file is free software; the Free Software Foundation
@ -31,7 +31,6 @@ AC_DEFUN([gl_FUNC_MKTIME_WORKS],
dnl in Autoconf and because it invokes AC_LIBOBJ.
AC_CHECK_HEADERS_ONCE([unistd.h])
AC_CHECK_DECLS_ONCE([alarm])
AC_CHECK_FUNCS_ONCE([tzset])
AC_REQUIRE([gl_MULTIARCH])
AC_CACHE_CHECK([for working mktime], [gl_cv_func_working_mktime],
[if test $APPLE_UNIVERSAL_BUILD = 1; then
@ -55,13 +54,12 @@ AC_DEFUN([gl_FUNC_MKTIME_WORKS],
# include <signal.h>
#endif
]GL_MDA_DEFINES[
#ifndef TIME_T_IS_SIGNED
# define TIME_T_IS_SIGNED 0
#endif
/* Work around redefinition to rpl_putenv by other config tests. */
#undef putenv
static time_t time_t_max;
static time_t time_t_min;

4
m4/nstrftime.m4
View file

@ -1,4 +1,4 @@
# serial 35
# serial 36
# Copyright (C) 1996-1997, 1999-2007, 2009-2020 Free Software Foundation, Inc.
#
@ -17,8 +17,6 @@ AC_DEFUN([gl_FUNC_GNU_STRFTIME],
AC_REQUIRE([gl_TM_GMTOFF])
AC_CHECK_FUNCS_ONCE([tzset])
AC_DEFINE([my_strftime], [nstrftime],
[Define to the name of the strftime replacement function.])
])

3
m4/open-slash.m4
View file

@ -1,4 +1,4 @@
# open-slash.m4 serial 1
# open-slash.m4 serial 2
dnl Copyright (C) 2007-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -25,6 +25,7 @@ AC_DEFUN([gl_OPEN_TRAILING_SLASH_BUG],
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
]GL_MDA_DEFINES[
int main ()
{
int result = 0;

5
m4/pselect.m4
View file

@ -1,4 +1,4 @@
# pselect.m4 serial 8
# pselect.m4 serial 9
dnl Copyright (C) 2011-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -37,7 +37,8 @@ AC_DEFUN([gl_FUNC_PSELECT],
#endif
#include <unistd.h>
#include <errno.h>
]],[[
]GL_MDA_DEFINES],
[[
fd_set set;
dup2(0, 16);
FD_ZERO(&set);

3
m4/pthread_sigmask.m4
View file

@ -1,4 +1,4 @@
# pthread_sigmask.m4 serial 18
# pthread_sigmask.m4 serial 19
dnl Copyright (C) 2011-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -220,6 +220,7 @@ int main ()
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
]GL_MDA_DEFINES[
static volatile int sigint_occurred;
static void
sigint_handler (int sig)

1
m4/time_h.m4
View file

@ -121,7 +121,6 @@ AC_DEFUN([gl_HEADER_TIME_H_DEFAULTS],
HAVE_NANOSLEEP=1; AC_SUBST([HAVE_NANOSLEEP])
HAVE_STRPTIME=1; AC_SUBST([HAVE_STRPTIME])
HAVE_TIMEGM=1; AC_SUBST([HAVE_TIMEGM])
HAVE_TZSET=1; AC_SUBST([HAVE_TZSET])
dnl Even GNU libc does not have timezone_t yet.
HAVE_TIMEZONE_T=0; AC_SUBST([HAVE_TIMEZONE_T])
dnl If another module says to replace or to not replace, do that.

5
m4/utimens.m4
View file

@ -3,7 +3,7 @@ dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl serial 10
dnl serial 11
AC_DEFUN([gl_UTIMENS],
[
@ -24,7 +24,8 @@ AC_DEFUN([gl_UTIMENS],
#include <stddef.h>
#include <sys/times.h>
#include <fcntl.h>
]], [[ int fd = open ("conftest.file", O_RDWR);
]GL_MDA_DEFINES],
[[int fd = open ("conftest.file", O_RDWR);
if (fd < 0) return 1;
if (futimesat (fd, NULL, NULL)) return 2;
]])],

5
m4/utimensat.m4
View file

@ -1,4 +1,4 @@
# serial 6
# serial 7
# See if we need to provide utimensat replacement.
dnl Copyright (C) 2009-2020 Free Software Foundation, Inc.
@ -23,7 +23,8 @@ AC_DEFUN([gl_FUNC_UTIMENSAT],
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
]], [[int result = 0;
]GL_MDA_DEFINES],
[[int result = 0;
const char *f = "conftest.file";
if (close (creat (f, 0600)))
return 1;

3
m4/utimes.m4
View file

@ -1,5 +1,5 @@
# Detect some bugs in glibc's implementation of utimes.
# serial 7
# serial 8
dnl Copyright (C) 2003-2005, 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
@ -34,6 +34,7 @@ AC_DEFUN([gl_FUNC_UTIMES],
#include <stdio.h>
#include <utime.h>
#include <errno.h>
]GL_MDA_DEFINES[
static int
inorder (time_t a, time_t b, time_t c)

21
m4/warnings.m4
View file

@ -1,4 +1,4 @@
# warnings.m4 serial 14
# warnings.m4 serial 16
dnl Copyright (C) 2008-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@ -23,8 +23,6 @@ m4_ifdef([AS_VAR_APPEND],
# The effects of this macro depend on the current language (_AC_LANG).
AC_DEFUN([gl_COMPILER_OPTION_IF],
[
dnl FIXME: gl_Warn must be used unquoted until we can assume Autoconf
dnl 2.64 or newer.
AS_VAR_PUSHDEF([gl_Warn], [gl_cv_warn_[]_AC_LANG_ABBREV[]_$1])dnl
AS_VAR_PUSHDEF([gl_Flags], [_AC_LANG_PREFIX[]FLAGS])dnl
AS_LITERAL_IF([$1],
@ -34,13 +32,13 @@ case $gl_positive in
-Wno-*) gl_positive=-W`expr "X$gl_positive" : 'X-Wno-\(.*\)'` ;;
esac
m4_pushdef([gl_Positive], [$gl_positive])])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler handles $1], m4_defn([gl_Warn]), [
AC_CACHE_CHECK([whether _AC_LANG compiler handles $1], [gl_Warn], [
gl_save_compiler_FLAGS="$gl_Flags"
gl_AS_VAR_APPEND(m4_defn([gl_Flags]),
[" $gl_unknown_warnings_are_errors ]m4_defn([gl_Positive])["])
AC_LINK_IFELSE([m4_default([$4], [AC_LANG_PROGRAM([])])],
[AS_VAR_SET(gl_Warn, [yes])],
[AS_VAR_SET(gl_Warn, [no])])
AC_LINK_IFELSE([m4_default([$4], [AC_LANG_PROGRAM([[]])])],
[AS_VAR_SET([gl_Warn], [yes])],
[AS_VAR_SET([gl_Warn], [no])])
gl_Flags="$gl_save_compiler_FLAGS"
])
AS_VAR_IF(gl_Warn, [yes], [$2], [$3])
@ -59,8 +57,7 @@ AC_DEFUN([gl_UNKNOWN_WARNINGS_ARE_ERRORS],
[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
# Specialization for _AC_LANG = C. This macro can be AC_REQUIREd.
# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b.
m4_defun([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C)],
AC_DEFUN([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C)],
[
AC_LANG_PUSH([C])
gl_UNKNOWN_WARNINGS_ARE_ERRORS_IMPL
@ -68,8 +65,7 @@ m4_defun([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C)],
])
# Specialization for _AC_LANG = C++. This macro can be AC_REQUIREd.
# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b.
m4_defun([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C++)],
AC_DEFUN([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C++)],
[
AC_LANG_PUSH([C++])
gl_UNKNOWN_WARNINGS_ARE_ERRORS_IMPL
@ -77,8 +73,7 @@ m4_defun([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C++)],
])
# Specialization for _AC_LANG = Objective C. This macro can be AC_REQUIREd.
# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < 2.63b.
m4_defun([gl_UNKNOWN_WARNINGS_ARE_ERRORS(Objective C)],
AC_DEFUN([gl_UNKNOWN_WARNINGS_ARE_ERRORS(Objective C)],
[
AC_LANG_PUSH([Objective C])
gl_UNKNOWN_WARNINGS_ARE_ERRORS_IMPL