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304269717c
These files have been created by running ./build-aux/bootstrap with Gnulib as at commit 5e0faf88718e9329e44c773039166c7dbf3ca57c (with a date stamp of Fri May 19 19:27:51 2017 +0200), Autoconf 2.69, Automake 1.15 and Gettext 0.19.8.1.
145 lines
6.0 KiB
Plaintext
145 lines
6.0 KiB
Plaintext
# Configure a more-standard replacement for <time.h>.
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# Copyright (C) 2000-2001, 2003-2007, 2009-2017 Free Software Foundation, Inc.
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# serial 11
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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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# Written by Paul Eggert and Jim Meyering.
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AC_DEFUN([gl_HEADER_TIME_H],
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[
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dnl Use AC_REQUIRE here, so that the default behavior below is expanded
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dnl once only, before all statements that occur in other macros.
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AC_REQUIRE([gl_HEADER_TIME_H_BODY])
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])
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AC_DEFUN([gl_HEADER_TIME_H_BODY],
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[
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AC_REQUIRE([AC_C_RESTRICT])
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AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
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gl_NEXT_HEADERS([time.h])
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AC_REQUIRE([gl_CHECK_TYPE_STRUCT_TIMESPEC])
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])
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dnl Check whether 'struct timespec' is declared
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dnl in time.h, sys/time.h, pthread.h, or unistd.h.
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AC_DEFUN([gl_CHECK_TYPE_STRUCT_TIMESPEC],
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[
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AC_CHECK_HEADERS_ONCE([sys/time.h])
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AC_CACHE_CHECK([for struct timespec in <time.h>],
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[gl_cv_sys_struct_timespec_in_time_h],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <time.h>
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]],
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[[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
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[gl_cv_sys_struct_timespec_in_time_h=yes],
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[gl_cv_sys_struct_timespec_in_time_h=no])])
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TIME_H_DEFINES_STRUCT_TIMESPEC=0
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SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=0
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PTHREAD_H_DEFINES_STRUCT_TIMESPEC=0
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UNISTD_H_DEFINES_STRUCT_TIMESPEC=0
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if test $gl_cv_sys_struct_timespec_in_time_h = yes; then
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TIME_H_DEFINES_STRUCT_TIMESPEC=1
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else
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AC_CACHE_CHECK([for struct timespec in <sys/time.h>],
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[gl_cv_sys_struct_timespec_in_sys_time_h],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <sys/time.h>
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]],
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[[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
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[gl_cv_sys_struct_timespec_in_sys_time_h=yes],
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[gl_cv_sys_struct_timespec_in_sys_time_h=no])])
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if test $gl_cv_sys_struct_timespec_in_sys_time_h = yes; then
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SYS_TIME_H_DEFINES_STRUCT_TIMESPEC=1
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else
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AC_CACHE_CHECK([for struct timespec in <pthread.h>],
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[gl_cv_sys_struct_timespec_in_pthread_h],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <pthread.h>
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]],
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[[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
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[gl_cv_sys_struct_timespec_in_pthread_h=yes],
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[gl_cv_sys_struct_timespec_in_pthread_h=no])])
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if test $gl_cv_sys_struct_timespec_in_pthread_h = yes; then
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PTHREAD_H_DEFINES_STRUCT_TIMESPEC=1
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else
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AC_CACHE_CHECK([for struct timespec in <unistd.h>],
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[gl_cv_sys_struct_timespec_in_unistd_h],
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[AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[#include <unistd.h>
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]],
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[[static struct timespec x; x.tv_sec = x.tv_nsec;]])],
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[gl_cv_sys_struct_timespec_in_unistd_h=yes],
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[gl_cv_sys_struct_timespec_in_unistd_h=no])])
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if test $gl_cv_sys_struct_timespec_in_unistd_h = yes; then
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UNISTD_H_DEFINES_STRUCT_TIMESPEC=1
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fi
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fi
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fi
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fi
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AC_SUBST([TIME_H_DEFINES_STRUCT_TIMESPEC])
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AC_SUBST([SYS_TIME_H_DEFINES_STRUCT_TIMESPEC])
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AC_SUBST([PTHREAD_H_DEFINES_STRUCT_TIMESPEC])
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AC_SUBST([UNISTD_H_DEFINES_STRUCT_TIMESPEC])
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])
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AC_DEFUN([gl_TIME_MODULE_INDICATOR],
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[
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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dnl Define it also as a C macro, for the benefit of the unit tests.
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gl_MODULE_INDICATOR_FOR_TESTS([$1])
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])
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AC_DEFUN([gl_HEADER_TIME_H_DEFAULTS],
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[
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GNULIB_CTIME=0; AC_SUBST([GNULIB_CTIME])
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GNULIB_MKTIME=0; AC_SUBST([GNULIB_MKTIME])
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GNULIB_LOCALTIME=0; AC_SUBST([GNULIB_LOCALTIME])
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GNULIB_NANOSLEEP=0; AC_SUBST([GNULIB_NANOSLEEP])
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GNULIB_STRFTIME=0; AC_SUBST([GNULIB_STRFTIME])
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GNULIB_STRPTIME=0; AC_SUBST([GNULIB_STRPTIME])
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GNULIB_TIMEGM=0; AC_SUBST([GNULIB_TIMEGM])
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GNULIB_TIME_R=0; AC_SUBST([GNULIB_TIME_R])
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GNULIB_TIME_RZ=0; AC_SUBST([GNULIB_TIME_RZ])
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GNULIB_TZSET=0; AC_SUBST([GNULIB_TZSET])
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dnl Assume proper GNU behavior unless another module says otherwise.
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HAVE_DECL_LOCALTIME_R=1; AC_SUBST([HAVE_DECL_LOCALTIME_R])
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HAVE_NANOSLEEP=1; AC_SUBST([HAVE_NANOSLEEP])
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HAVE_STRPTIME=1; AC_SUBST([HAVE_STRPTIME])
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HAVE_TIMEGM=1; AC_SUBST([HAVE_TIMEGM])
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HAVE_TZSET=1; AC_SUBST([HAVE_TZSET])
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dnl Even GNU libc does not have timezone_t yet.
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HAVE_TIMEZONE_T=0; AC_SUBST([HAVE_TIMEZONE_T])
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dnl If another module says to replace or to not replace, do that.
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dnl Otherwise, replace only if someone compiles with -DGNULIB_PORTCHECK;
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dnl this lets maintainers check for portability.
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REPLACE_CTIME=GNULIB_PORTCHECK; AC_SUBST([REPLACE_CTIME])
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REPLACE_LOCALTIME_R=GNULIB_PORTCHECK; AC_SUBST([REPLACE_LOCALTIME_R])
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REPLACE_MKTIME=GNULIB_PORTCHECK; AC_SUBST([REPLACE_MKTIME])
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REPLACE_NANOSLEEP=GNULIB_PORTCHECK; AC_SUBST([REPLACE_NANOSLEEP])
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REPLACE_STRFTIME=GNULIB_PORTCHECK; AC_SUBST([REPLACE_STRFTIME])
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REPLACE_TIMEGM=GNULIB_PORTCHECK; AC_SUBST([REPLACE_TIMEGM])
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REPLACE_TZSET=GNULIB_PORTCHECK; AC_SUBST([REPLACE_TZSET])
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dnl Hack so that the time module doesn't depend on the sys_time module.
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dnl First, default GNULIB_GETTIMEOFDAY to 0 if sys_time is absent.
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: ${GNULIB_GETTIMEOFDAY=0}; AC_SUBST([GNULIB_GETTIMEOFDAY])
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dnl Second, it's OK to not use GNULIB_PORTCHECK for REPLACE_GMTIME
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dnl and REPLACE_LOCALTIME, as portability to Solaris 2.6 and earlier
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dnl is no longer a big deal.
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REPLACE_GMTIME=0; AC_SUBST([REPLACE_GMTIME])
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REPLACE_LOCALTIME=0; AC_SUBST([REPLACE_LOCALTIME])
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])
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