mirror of
https://github.com/freebsd/freebsd-src
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396 lines
12 KiB
Plaintext
396 lines
12 KiB
Plaintext
dnl aclocal.m4 generated automatically by aclocal 1.4
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dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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dnl PARTICULAR PURPOSE.
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dnl cloned from autoconf 2.13 acspecific.m4
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AC_DEFUN([AC_C_LONG_LONG],
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[AC_CACHE_CHECK(for long long, ac_cv_c_long_long,
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[if test "$GCC" = yes; then
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ac_cv_c_long_long=yes
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else
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AC_TRY_RUN([int main() {
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long long foo = 0;
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exit(sizeof(long long) < sizeof(long)); }],
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ac_cv_c_long_long=yes, ac_cv_c_long_long=no)
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fi])
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if test $ac_cv_c_long_long = yes; then
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AC_DEFINE(HAVE_LONG_LONG)
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fi
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])
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dnl from autoconf 2.13 acspecific.m4, with changes to check for daylight
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AC_DEFUN([AC_STRUCT_TIMEZONE_DAYLIGHT],
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[AC_REQUIRE([AC_STRUCT_TM])dnl
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AC_CACHE_CHECK([for tm_zone in struct tm], ac_cv_struct_tm_zone,
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[AC_TRY_COMPILE([#include <sys/types.h>
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#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_zone;],
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ac_cv_struct_tm_zone=yes, ac_cv_struct_tm_zone=no)])
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if test "$ac_cv_struct_tm_zone" = yes; then
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AC_DEFINE(HAVE_TM_ZONE,1,[HAVE_TM_ZONE])
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fi
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AC_CACHE_CHECK(for tzname, ac_cv_var_tzname,
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[AC_TRY_LINK(
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changequote(<<, >>)dnl
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<<#include <time.h>
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#ifndef tzname /* For SGI. */
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extern char *tzname[]; /* RS6000 and others reject char **tzname. */
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#endif>>,
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changequote([, ])dnl
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[atoi(*tzname);], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)])
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if test $ac_cv_var_tzname = yes; then
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AC_DEFINE(HAVE_TZNAME,1,[HAVE_TZNAME])
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fi
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AC_CACHE_CHECK([for tm_isdst in struct tm], ac_cv_struct_tm_isdst,
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[AC_TRY_COMPILE([#include <sys/types.h>
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#include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_isdst;],
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ac_cv_struct_tm_isdst=yes, ac_cv_struct_tm_isdst=no)])
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if test "$ac_cv_struct_tm_isdst" = yes; then
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AC_DEFINE(HAVE_TM_ISDST)
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fi
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AC_CACHE_CHECK(for daylight, ac_cv_var_daylight,
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[AC_TRY_LINK(
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changequote(<<, >>)dnl
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<<#include <time.h>
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#ifndef daylight /* In case IRIX #defines this, too */
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extern int daylight;
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#endif>>,
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changequote([, ])dnl
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[atoi(daylight);], ac_cv_var_daylight=yes, ac_cv_var_daylight=no)])
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if test $ac_cv_var_daylight = yes; then
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AC_DEFINE(HAVE_DAYLIGHT)
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fi
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])
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dnl from autoconf 2.13 acgeneral.m4, with patch:
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dnl Date: Fri, 15 Jan 1999 05:52:41 -0800
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dnl Message-ID: <199901151352.FAA18237@shade.twinsun.com>
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dnl From: eggert@twinsun.com (Paul Eggert)
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dnl Subject: autoconf 2.13 AC_CHECK_TYPE doesn't allow shell vars
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dnl Newsgroups: gnu.utils.bug
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dnl
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dnl now include <stdint.h> if available
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dnl AC_CHECK_TYPE2_STDC(TYPE, DEFAULT)
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AC_DEFUN([AC_CHECK_TYPE2_STDC],
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[AC_REQUIRE([AC_HEADER_STDC])dnl
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AC_REQUIRE([AC_HEADER_STDINT])dnl
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AC_MSG_CHECKING(for $1)
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AC_CACHE_VAL(ac_cv_type_$1,
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[AC_EGREP_CPP(dnl
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[(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]],
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[#if HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#include <sys/types.h>
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#if STDC_HEADERS
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#include <stdlib.h>
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#include <stddef.h>
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#endif], eval "ac_cv_type_$1=yes", eval "ac_cv_type_$1=no")])dnl
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if eval "test \"`echo '$ac_cv_type_'$1`\" = yes"; then
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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AC_DEFINE_UNQUOTED($1, $2)
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fi
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])
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dnl from autoconf 2.13 acgeneral.m4, with additional third argument
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dnl AC_CHECK_SIZEOF_INCLUDES(TYPE [, CROSS-SIZE [, INCLUDES]])
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AC_DEFUN([AC_CHECK_SIZEOF_INCLUDES],
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[dnl The name to #define.
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define([AC_TYPE_NAME], translit(sizeof_$1, [[[a-z *]]], [[[A-Z_P]]]))dnl
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dnl The cache variable name.
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define([AC_CV_NAME], translit(ac_cv_sizeof_$1, [[[ *]]], [[[_p]]]))dnl
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AC_MSG_CHECKING(size of $1)
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AC_CACHE_VAL(AC_CV_NAME,
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[AC_TRY_RUN([$3
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#include <stdio.h>
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main()
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{
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FILE *f=fopen("conftestval", "w");
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if (!f) exit(1);
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fprintf(f, "%d\n", sizeof($1));
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exit(0);
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}], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, ifelse([$2], , , AC_CV_NAME=$2))])dnl
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AC_MSG_RESULT($AC_CV_NAME)
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AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
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undefine([AC_TYPE_NAME])dnl
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undefine([AC_CV_NAME])dnl
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])
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dnl AC_CHECK_SIZEOF_STDC_HEADERS(TYPE [, CROSS_SIZE])
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AC_DEFUN([AC_CHECK_SIZEOF_STDC_HEADERS],
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[AC_REQUIRE([AC_HEADER_STDC])dnl
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AC_REQUIRE([AC_HEADER_STDINT])dnl
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AC_CHECK_SIZEOF_INCLUDES($1, $2,
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[#if HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#include <sys/types.h>
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#ifdef STDC_HEADERS
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#include <stdlib.h>
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#endif
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])
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])
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dnl AC_CHECK_TYPE_STDC(TYPE, DEFAULT)
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AC_DEFUN([AC_CHECK_TYPE_STDC],
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[AC_REQUIRE([AC_HEADER_STDC])dnl
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AC_REQUIRE([AC_HEADER_STDINT])dnl
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AC_MSG_CHECKING(for $1)
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AC_CACHE_VAL(ac_cv_type_$1,
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[AC_EGREP_CPP(dnl
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[(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]],
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[#if HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#include <sys/types.h>
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#if STDC_HEADERS
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#include <stdlib.h>
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#include <stddef.h>
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#endif], ac_cv_type_$1=yes, ac_cv_type_$1=no)])dnl
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AC_MSG_RESULT($ac_cv_type_$1)
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if test $ac_cv_type_$1 = no; then
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AC_DEFINE($1, $2)
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fi
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])
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dnl AC_HEADER_STDINT
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AC_DEFUN([AC_HEADER_STDINT], [AC_CHECK_HEADERS(stdint.h)])
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#serial 19
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dnl By default, many hosts won't let programs access large files;
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dnl one must use special compiler options to get large-file access to work.
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dnl For more details about this brain damage please see:
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dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html
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dnl Written by Paul Eggert <eggert@twinsun.com>.
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dnl Internal subroutine of AC_SYS_LARGEFILE.
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dnl AC_SYS_LARGEFILE_TEST_INCLUDES
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AC_DEFUN([AC_SYS_LARGEFILE_TEST_INCLUDES],
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[[#include <sys/types.h>
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/* Check that off_t can represent 2**63 - 1 correctly.
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We can't simply "#define LARGE_OFF_T 9223372036854775807",
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since some C++ compilers masquerading as C compilers
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incorrectly reject 9223372036854775807. */
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# define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
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int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
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&& LARGE_OFF_T % 2147483647 == 1)
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? 1 : -1];
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]])
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dnl Internal subroutine of AC_SYS_LARGEFILE.
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dnl AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, CACHE-VAR, COMMENT, INCLU=
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DES, FUNCTION-BODY)
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AC_DEFUN([AC_SYS_LARGEFILE_MACRO_VALUE],
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[AC_CACHE_CHECK([for $1 value needed for large files], $3,
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[$3=no
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AC_TRY_COMPILE([$5],
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[$6],
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,
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[AC_TRY_COMPILE([#define $1 $2]
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[$5]
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,
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[$6],
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[$3=$2])])])
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if test "[$]$3" != no; then
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AC_DEFINE_UNQUOTED([$1], [$]$3, [$4])
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fi])
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AC_DEFUN([AC_SYS_LARGEFILE],
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[AC_REQUIRE([AC_PROG_CC])
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AC_ARG_ENABLE(largefile,
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[ --disable-largefile omit support for large files])
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if test "$enable_largefile" != no; then
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AC_CACHE_CHECK([for special C compiler options needed for large files=
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],
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ac_cv_sys_largefile_CC,
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[ac_cv_sys_largefile_CC=no
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if test "$GCC" != yes; then
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# IRIX 6.2 and later do not support large files by default,
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# so use the C compiler's -n32 option if that helps.
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AC_TRY_COMPILE(AC_SYS_LARGEFILE_TEST_INCLUDES, , ,
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[ac_save_CC="$CC"
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CC="$CC -n32"
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AC_TRY_COMPILE(AC_SYS_LARGEFILE_TEST_INCLUDES, ,
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ac_cv_sys_largefile_CC=' -n32')
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CC="$ac_save_CC"])
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fi])
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if test "$ac_cv_sys_largefile_CC" != no; then
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CC="$CC$ac_cv_sys_largefile_CC"
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fi
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AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64,
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ac_cv_sys_file_offset_bits,
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[Number of bits in a file offset, on hosts where this is settable.],
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AC_SYS_LARGEFILE_TEST_INCLUDES)
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AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1,
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ac_cv_sys_large_files,
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[Define for large files, on AIX-style hosts.],
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AC_SYS_LARGEFILE_TEST_INCLUDES)
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fi
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])
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AC_DEFUN([AC_FUNC_FSEEKO],
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[AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE, 1,
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ac_cv_sys_largefile_source,
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[Define to make fseeko visible on some hosts (e.g. glibc 2.2).],
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[#include <stdio.h>], [return !fseeko;])
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# We used to try defining _XOPEN_SOURCE=500 too, to work around a bug
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# in glibc 2.1.3, but that breaks too many other things.
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# If you want fseeko and ftello with glibc, upgrade to a fixed glibc.
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AC_CACHE_CHECK([for fseeko], ac_cv_func_fseeko,
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[ac_cv_func_fseeko=no
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AC_TRY_LINK([#include <stdio.h>],
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[return fseeko && fseeko (stdin, 0, 0);],
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[ac_cv_func_fseeko=yes])])
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if test $ac_cv_func_fseeko != no; then
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AC_DEFINE(HAVE_FSEEKO, 1,
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[Define if fseeko (and presumably ftello) exists and is declared.])
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fi])
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# Do all the work for Automake. This macro actually does too much --
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# some checks are only needed if your package does certain things.
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# But this isn't really a big deal.
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# serial 1
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dnl Usage:
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dnl AM_INIT_AUTOMAKE(package,version, [no-define])
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AC_DEFUN(AM_INIT_AUTOMAKE,
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[AC_REQUIRE([AC_PROG_INSTALL])
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PACKAGE=[$1]
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AC_SUBST(PACKAGE)
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VERSION=[$2]
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AC_SUBST(VERSION)
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dnl test to see if srcdir already configured
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if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
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AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
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fi
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ifelse([$3],,
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AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
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AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
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AC_REQUIRE([AM_SANITY_CHECK])
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AC_REQUIRE([AC_ARG_PROGRAM])
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dnl FIXME This is truly gross.
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missing_dir=`cd $ac_aux_dir && pwd`
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AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
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AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
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AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
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AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
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AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
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AC_REQUIRE([AC_PROG_MAKE_SET])])
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#
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# Check to make sure that the build environment is sane.
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#
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AC_DEFUN(AM_SANITY_CHECK,
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[AC_MSG_CHECKING([whether build environment is sane])
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# Just in case
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sleep 1
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echo timestamp > conftestfile
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# Do `set' in a subshell so we don't clobber the current shell's
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# arguments. Must try -L first in case configure is actually a
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# symlink; some systems play weird games with the mod time of symlinks
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# (eg FreeBSD returns the mod time of the symlink's containing
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# directory).
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if (
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set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
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if test "[$]*" = "X"; then
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# -L didn't work.
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set X `ls -t $srcdir/configure conftestfile`
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fi
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if test "[$]*" != "X $srcdir/configure conftestfile" \
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&& test "[$]*" != "X conftestfile $srcdir/configure"; then
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# If neither matched, then we have a broken ls. This can happen
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# if, for instance, CONFIG_SHELL is bash and it inherits a
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# broken ls alias from the environment. This has actually
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# happened. Such a system could not be considered "sane".
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AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
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alias in your environment])
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fi
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test "[$]2" = conftestfile
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)
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then
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# Ok.
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:
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else
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AC_MSG_ERROR([newly created file is older than distributed files!
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Check your system clock])
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fi
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rm -f conftest*
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AC_MSG_RESULT(yes)])
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dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
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dnl The program must properly implement --version.
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AC_DEFUN(AM_MISSING_PROG,
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[AC_MSG_CHECKING(for working $2)
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# Run test in a subshell; some versions of sh will print an error if
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# an executable is not found, even if stderr is redirected.
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# Redirect stdin to placate older versions of autoconf. Sigh.
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if ($2 --version) < /dev/null > /dev/null 2>&1; then
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$1=$2
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AC_MSG_RESULT(found)
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else
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$1="$3/missing $2"
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AC_MSG_RESULT(missing)
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fi
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AC_SUBST($1)])
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# Like AC_CONFIG_HEADER, but automatically create stamp file.
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AC_DEFUN(AM_CONFIG_HEADER,
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[AC_PREREQ([2.12])
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AC_CONFIG_HEADER([$1])
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dnl When config.status generates a header, we must update the stamp-h file.
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dnl This file resides in the same directory as the config header
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dnl that is generated. We must strip everything past the first ":",
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dnl and everything past the last "/".
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AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
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ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
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<<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
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<<am_indx=1
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for am_file in <<$1>>; do
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case " <<$>>CONFIG_HEADERS " in
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*" <<$>>am_file "*<<)>>
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echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
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;;
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esac
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am_indx=`expr "<<$>>am_indx" + 1`
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done<<>>dnl>>)
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changequote([,]))])
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# Define a conditional.
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AC_DEFUN(AM_CONDITIONAL,
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[AC_SUBST($1_TRUE)
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AC_SUBST($1_FALSE)
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if $2; then
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$1_TRUE=
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$1_FALSE='#'
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else
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$1_TRUE='#'
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$1_FALSE=
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fi])
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