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This incorporates: 2019-12-23 mktime, nstrftime: tweak division performance 2019-12-22 count-leading-zeros: assume 'long long' 2019-12-22 count-one-bits: assume 'long long' 2019-12-22 count-trailing-zeros: assume 'long long' 2019-12-12 inttypes-incomplete: assume 'long long' 2019-12-22 malloca: assume 'long long' 2019-12-22 stdint: assume 'long long' 2019-12-22 strtoll, strtoimax, strtoumax: assume 'long long' 2019-12-22 prefer lib_SOURCES to unconditional AC_LIBOBJ 2019-12-19 nstrftime: avoid a shadowing warning 2019-12-18 improve port of AC_C_RESTRICT to Oracle C++ 2019-12-12 stdalign: port to xlclang 16.01 2019-12-11 stddef, unistd: fix compilation error in C++ mode on MSVC 2019-12-08 fix compilation errors in C++ mode on Haiku 2019-12-08 fix compilation errors in 32-bit C++ mode on HP-UX 11/ia64 2019-12-08 fix compilation error in C++ mode on OpenBSD * build-aux/config.guess, doc/misc/texinfo.tex: * lib/count-leading-zeros.h, lib/count-one-bits.h: * lib/count-trailing-zeros.h, lib/inttypes.in.h, lib/malloca.h: * lib/mktime.c, lib/nstrftime.c, lib/signal.in.h, lib/stdalign.in.h: * lib/stddef.in.h, lib/stdint.in.h, lib/stdio.in.h, lib/stdlib.in.h: * lib/strtoimax.c, lib/unistd.in.h, m4/gnulib-common.m4: * m4/inttypes.m4, m4/largefile.m4, m4/malloca.m4, m4/strtoimax.m4: * m4/strtoll.m4: Copy from Gnulib. Also, change copyright notices in some other Gnulib-copied files to exactly match Gnulib, as Gnulib updated them in a trivially different way. * lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate.
84 lines
3.0 KiB
Plaintext
84 lines
3.0 KiB
Plaintext
# Checks for stat-related time functions.
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# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2020 Free Software
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# Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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# with or without modifications, as long as this notice is preserved.
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dnl From Paul Eggert.
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# st_atim.tv_nsec - Linux, Solaris, Cygwin
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# st_atimespec.tv_nsec - FreeBSD, NetBSD, if ! defined _POSIX_SOURCE
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# st_atimensec - FreeBSD, NetBSD, if defined _POSIX_SOURCE
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# st_atim.st__tim.tv_nsec - UnixWare (at least 2.1.2 through 7.1)
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# st_birthtimespec - FreeBSD, NetBSD (hidden on OpenBSD 3.9, anyway)
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# st_birthtim - Cygwin 1.7.0+
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AC_DEFUN([gl_STAT_TIME],
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[
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AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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AC_CHECK_HEADERS_ONCE([sys/time.h])
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AC_CHECK_MEMBERS([struct stat.st_atim.tv_nsec],
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[AC_CACHE_CHECK([whether struct stat.st_atim is of type struct timespec],
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[ac_cv_typeof_struct_stat_st_atim_is_struct_timespec],
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[[
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#include <sys/types.h>
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#include <sys/stat.h>
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#if HAVE_SYS_TIME_H
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# include <sys/time.h>
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#endif
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#include <time.h>
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struct timespec ts;
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struct stat st;
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]],
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[[
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st.st_atim = ts;
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]])],
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[ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=yes],
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[ac_cv_typeof_struct_stat_st_atim_is_struct_timespec=no])])
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if test $ac_cv_typeof_struct_stat_st_atim_is_struct_timespec = yes; then
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AC_DEFINE([TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC], [1],
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[Define to 1 if the type of the st_atim member of a struct stat is
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struct timespec.])
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fi],
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[AC_CHECK_MEMBERS([struct stat.st_atimespec.tv_nsec], [],
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[AC_CHECK_MEMBERS([struct stat.st_atimensec], [],
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[AC_CHECK_MEMBERS([struct stat.st_atim.st__tim.tv_nsec], [], [],
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[#include <sys/types.h>
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#include <sys/stat.h>])],
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[#include <sys/types.h>
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#include <sys/stat.h>])],
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[#include <sys/types.h>
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#include <sys/stat.h>])],
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[#include <sys/types.h>
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#include <sys/stat.h>])
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])
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# Check for st_birthtime, a feature from UFS2 (FreeBSD, NetBSD, OpenBSD, etc.)
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# and NTFS (Cygwin).
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# There was a time when this field was named st_createtime (21 June
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# 2002 to 16 July 2002) But that window is very small and applied only
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# to development code, so systems still using that configuration are
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# not supported. See revisions 1.10 and 1.11 of FreeBSD's
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# src/sys/ufs/ufs/dinode.h.
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#
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AC_DEFUN([gl_STAT_BIRTHTIME],
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[
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AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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AC_CHECK_HEADERS_ONCE([sys/time.h])
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AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_nsec], [],
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[AC_CHECK_MEMBERS([struct stat.st_birthtimensec], [],
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[AC_CHECK_MEMBERS([struct stat.st_birthtim.tv_nsec], [], [],
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[#include <sys/types.h>
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#include <sys/stat.h>])],
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[#include <sys/types.h>
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#include <sys/stat.h>])],
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[#include <sys/types.h>
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#include <sys/stat.h>])
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])
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