From 868beb15ae02c352005a2df8857f4ebb9bd758fd Mon Sep 17 00:00:00 2001 From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> Date: Tue, 23 Aug 2022 19:42:51 +0200 Subject: Sync with the latest Gnulib code (d27c820595) --- gl/m4/time_h.m4 | 108 +++++++++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 88 insertions(+), 20 deletions(-) (limited to 'gl/m4/time_h.m4') diff --git a/gl/m4/time_h.m4 b/gl/m4/time_h.m4 index 3b839005..98d7b6e0 100644 --- a/gl/m4/time_h.m4 +++ b/gl/m4/time_h.m4 @@ -1,8 +1,8 @@ # Configure a more-standard replacement for . -# Copyright (C) 2000-2001, 2003-2007, 2009-2013 Free Software Foundation, Inc. +# Copyright (C) 2000-2001, 2003-2007, 2009-2022 Free Software Foundation, Inc. -# serial 7 +# serial 19 # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, @@ -10,23 +10,36 @@ # Written by Paul Eggert and Jim Meyering. -AC_DEFUN([gl_HEADER_TIME_H], +AC_DEFUN_ONCE([gl_TIME_H], [ - dnl Use AC_REQUIRE here, so that the default behavior below is expanded - dnl once only, before all statements that occur in other macros. - AC_REQUIRE([gl_HEADER_TIME_H_BODY]) -]) + dnl Ensure to expand the default settings once only, before all statements + dnl that occur in other macros. + AC_REQUIRE([gl_TIME_H_DEFAULTS]) -AC_DEFUN([gl_HEADER_TIME_H_BODY], -[ - AC_REQUIRE([AC_C_RESTRICT]) - AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) gl_NEXT_HEADERS([time.h]) AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC]) + + AC_REQUIRE([AC_C_RESTRICT]) + + AC_CACHE_CHECK([for TIME_UTC in ], + [gl_cv_time_h_has_TIME_UTC], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + ]], + [[static int x = TIME_UTC; x++;]])], + [gl_cv_time_h_has_TIME_UTC=yes], + [gl_cv_time_h_has_TIME_UTC=no])]) + if test $gl_cv_time_h_has_TIME_UTC = yes; then + TIME_H_DEFINES_TIME_UTC=1 + else + TIME_H_DEFINES_TIME_UTC=0 + fi + AC_SUBST([TIME_H_DEFINES_TIME_UTC]) ]) dnl Check whether 'struct timespec' is declared -dnl in time.h, sys/time.h, or pthread.h. +dnl in time.h, sys/time.h, pthread.h, or unistd.h. AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC], [ @@ -44,6 +57,7 @@ AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC], TIME_H_DEFINES_STRUCT_TIMESPEC=0 SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=0 PTHREAD_H_DEFINES_STRUCT_TIMESPEC=0 + UNISTD_H_DEFINES_STRUCT_TIMESPEC=0 if test $gl_cv_sys_struct_timespec_in_time_h = yes; then TIME_H_DEFINES_STRUCT_TIMESPEC=1 else @@ -70,40 +84,94 @@ AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC], [gl_cv_sys_struct_timespec_in_pthread_h=no])]) if test $gl_cv_sys_struct_timespec_in_pthread_h = yes; then PTHREAD_H_DEFINES_STRUCT_TIMESPEC=1 + else + AC_CACHE_CHECK([for struct timespec in ], + [gl_cv_sys_struct_timespec_in_unistd_h], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include + ]], + [[static struct timespec x; x.tv_sec = x.tv_nsec;]])], + [gl_cv_sys_struct_timespec_in_unistd_h=yes], + [gl_cv_sys_struct_timespec_in_unistd_h=no])]) + if test $gl_cv_sys_struct_timespec_in_unistd_h = yes; then + UNISTD_H_DEFINES_STRUCT_TIMESPEC=1 + fi fi fi fi AC_SUBST([TIME_H_DEFINES_STRUCT_TIMESPEC]) AC_SUBST([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC]) AC_SUBST([PTHREAD_H_DEFINES_STRUCT_TIMESPEC]) + AC_SUBST([UNISTD_H_DEFINES_STRUCT_TIMESPEC]) ]) +# gl_TIME_MODULE_INDICATOR([modulename]) +# sets the shell variable that indicates the presence of the given module +# to a C preprocessor expression that will evaluate to 1. +# This macro invocation must not occur in macros that are AC_REQUIREd. AC_DEFUN([gl_TIME_MODULE_INDICATOR], [ - dnl Use AC_REQUIRE here, so that the default settings are expanded once only. - AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS]) + dnl Ensure to expand the default settings once only. + gl_TIME_H_REQUIRE_DEFAULTS gl_MODULE_INDICATOR_SET_VARIABLE([$1]) dnl Define it also as a C macro, for the benefit of the unit tests. gl_MODULE_INDICATOR_FOR_TESTS([$1]) ]) -AC_DEFUN([gl_HEADER_TIME_H_DEFAULTS], +# Initializes the default values for AC_SUBSTed shell variables. +# This macro must not be AC_REQUIREd. It must only be invoked, and only +# outside of macros or in macros that are not AC_REQUIREd. +AC_DEFUN([gl_TIME_H_REQUIRE_DEFAULTS], +[ + m4_defun(GL_MODULE_INDICATOR_PREFIX[_TIME_H_MODULE_INDICATOR_DEFAULTS], [ + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CTIME]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKTIME]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LOCALTIME]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_NANOSLEEP]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRFTIME]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRPTIME]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TIMEGM]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TIMESPEC_GET]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TIMESPEC_GETRES]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TIME_R]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TIME_RZ]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_TZSET]) + dnl Support Microsoft deprecated alias function names by default. + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_TZSET], [1]) + ]) + m4_require(GL_MODULE_INDICATOR_PREFIX[_TIME_H_MODULE_INDICATOR_DEFAULTS]) + AC_REQUIRE([gl_TIME_H_DEFAULTS]) +]) + +AC_DEFUN([gl_TIME_H_DEFAULTS], [ - GNULIB_MKTIME=0; AC_SUBST([GNULIB_MKTIME]) - GNULIB_NANOSLEEP=0; AC_SUBST([GNULIB_NANOSLEEP]) - GNULIB_STRPTIME=0; AC_SUBST([GNULIB_STRPTIME]) - GNULIB_TIMEGM=0; AC_SUBST([GNULIB_TIMEGM]) - GNULIB_TIME_R=0; AC_SUBST([GNULIB_TIME_R]) dnl Assume proper GNU behavior unless another module says otherwise. HAVE_DECL_LOCALTIME_R=1; AC_SUBST([HAVE_DECL_LOCALTIME_R]) HAVE_NANOSLEEP=1; AC_SUBST([HAVE_NANOSLEEP]) HAVE_STRPTIME=1; AC_SUBST([HAVE_STRPTIME]) HAVE_TIMEGM=1; AC_SUBST([HAVE_TIMEGM]) + HAVE_TIMESPEC_GET=1; AC_SUBST([HAVE_TIMESPEC_GET]) + HAVE_TIMESPEC_GETRES=1; AC_SUBST([HAVE_TIMESPEC_GETRES]) + 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. dnl Otherwise, replace only if someone compiles with -DGNULIB_PORTCHECK; dnl this lets maintainers check for portability. + REPLACE_CTIME=GNULIB_PORTCHECK; AC_SUBST([REPLACE_CTIME]) REPLACE_LOCALTIME_R=GNULIB_PORTCHECK; AC_SUBST([REPLACE_LOCALTIME_R]) REPLACE_MKTIME=GNULIB_PORTCHECK; AC_SUBST([REPLACE_MKTIME]) REPLACE_NANOSLEEP=GNULIB_PORTCHECK; AC_SUBST([REPLACE_NANOSLEEP]) + REPLACE_STRFTIME=GNULIB_PORTCHECK; AC_SUBST([REPLACE_STRFTIME]) REPLACE_TIMEGM=GNULIB_PORTCHECK; AC_SUBST([REPLACE_TIMEGM]) + REPLACE_TZSET=GNULIB_PORTCHECK; AC_SUBST([REPLACE_TZSET]) + + dnl Hack so that the time module doesn't depend on the sys_time module. + dnl First, default GNULIB_GETTIMEOFDAY to 0 if sys_time is absent. + : ${GNULIB_GETTIMEOFDAY=0}; AC_SUBST([GNULIB_GETTIMEOFDAY]) + dnl Second, it's OK to not use GNULIB_PORTCHECK for REPLACE_GMTIME + dnl and REPLACE_LOCALTIME, as portability to Solaris 2.6 and earlier + dnl is no longer a big deal. + REPLACE_GMTIME=0; AC_SUBST([REPLACE_GMTIME]) + REPLACE_LOCALTIME=0; AC_SUBST([REPLACE_LOCALTIME]) ]) -- cgit v1.2.3-74-g34f1