Annotation of embedaddon/libnet/aclocal.m4, revision 1.1

1.1     ! misho       1: # aclocal.m4 generated automatically by aclocal 1.6.3 -*- Autoconf -*-
        !             2: 
        !             3: # Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002
        !             4: # Free Software Foundation, Inc.
        !             5: # This file is free software; the Free Software Foundation
        !             6: # gives unlimited permission to copy and/or distribute it,
        !             7: # with or without modifications, as long as this notice is preserved.
        !             8: 
        !             9: # This program is distributed in the hope that it will be useful,
        !            10: # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
        !            11: # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
        !            12: # PARTICULAR PURPOSE.
        !            13: 
        !            14: dnl $Id: aclocal.m4,v 1.9 2004/03/01 20:26:11 mike Exp $
        !            15: dnl
        !            16: dnl Libnet specific autoconf macros
        !            17: dnl Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
        !            18: dnl All rights reserved.
        !            19: dnl
        !            20: 
        !            21: dnl
        !            22: dnl Check for the Linux /proc filesystem
        !            23: dnl
        !            24: dnl usage:      AC_LIBNET_LINUX_PROCFS
        !            25: dnl results:    HAVE_LINUX_PROCFS
        !            26: dnl
        !            27: AC_DEFUN(AC_LIBNET_LINUX_PROCFS,
        !            28:     [AC_MSG_CHECKING(for Linux proc filesystem)
        !            29:     AC_CACHE_VAL(ac_cv_libnet_linux_procfs,
        !            30:         if test "x`cat /proc/sys/kernel/ostype 2>&-`" = "xLinux" ; then
        !            31:             ac_cv_libnet_linux_procfs=yes
        !            32:         else
        !            33:             ac_cv_libnet_linux_procfs=no
        !            34:         fi)
        !            35:     AC_MSG_RESULT($ac_cv_libnet_linux_procfs)
        !            36:     if test $ac_cv_libnet_linux_procfs = yes ; then
        !            37:         AC_DEFINE(HAVE_LINUX_PROCFS, 1,
        !            38:                   [Define if you have the Linux /proc filesystem.])
        !            39:     fi])
        !            40: 
        !            41: dnl
        !            42: dnl Checks to see if this linux kernel has a working PF_PACKET
        !            43: dnl
        !            44: dnl usage:
        !            45: dnl
        !            46: dnl     AC_LIBNET_CHECK_PF_PACKET
        !            47: dnl
        !            48: dnl results:
        !            49: dnl
        !            50: dnl     HAVE_PACKET_SOCKET (DEFINED)
        !            51: dnl
        !            52: 
        !            53: AC_DEFUN(AC_LIBNET_CHECK_PF_PACKET,
        !            54: [
        !            55:     AC_MSG_CHECKING(for packet socket (PF_SOCKET))
        !            56:     AC_CACHE_VAL(ac_libnet_have_packet_socket,
        !            57: 
        !            58:         [case "$target_os" in
        !            59: 
        !            60:         linux)
        !            61:                 ac_libnet_have_packet_socket = no
        !            62:                 ;;
        !            63:         *)
        !            64: 
        !            65:     cat > pf_packet-test.c << EOF
        !            66: #include <stdio.h>
        !            67: #include <errno.h>
        !            68: #include <stdlib.h>
        !            69: #include <netinet/in.h>
        !            70: #include <sys/socket.h>
        !            71: #include <features.h>    /* for the glibc version number */
        !            72: #if __GLIBC__ >= 2 && __GLIBC_MINOR >= 1
        !            73: #include <netpacket/packet.h>
        !            74: #include <net/ethernet.h>     /* the L2 protocols */
        !            75: #else
        !            76: #include <asm/types.h>
        !            77: #include <linux/if_packet.h>
        !            78: #include <linux/if_ether.h>   /* The L2 protocols */
        !            79: #endif
        !            80:  
        !            81: #ifndef SOL_PACKET
        !            82: #define SOL_PACKET 263
        !            83: #endif  /* SOL_PACKET */
        !            84:  
        !            85: int
        !            86: main(int argc, char **argv)
        !            87: {
        !            88:     int fd;
        !            89:  
        !            90:     fd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
        !            91:     if (fd == -1)
        !            92:     {
        !            93:         if (errno == EPERM)
        !            94:         {
        !            95:             /* user's UID != 0 */
        !            96:             printf("probably");
        !            97:             exit (EXIT_FAILURE);
        !            98:         }
        !            99:         printf("no");
        !           100:         exit (EXIT_FAILURE);
        !           101:     }
        !           102:     printf("yes");
        !           103:     exit (EXIT_SUCCESS);
        !           104: }
        !           105: EOF
        !           106:     ${CC-cc} -o pf_packet-test $CFLAGS pf_packet-test.c >/dev/null 2>&1
        !           107: 
        !           108:     # Oopz 4.3 BSD doesn't have this.  Sorry.
        !           109:     if test ! -x ./pf_packet-test ; then
        !           110:         ac_libnet_have_packet_socket=choked
        !           111:     else
        !           112:         ac_libnet_have_packet_socket=`./pf_packet-test`;
        !           113:     fi
        !           114:     if test $ac_libnet_have_packet_socket = choked; then
        !           115:         AC_MSG_RESULT(test program compile choked... assuming no)
        !           116:     elif test $ac_libnet_have_packet_socket = yes; then
        !           117:         AC_MSG_RESULT(yes)
        !           118:     elif test $ac_libnet_have_packet_socket = probably; then
        !           119:         AC_MSG_RESULT(test program got EPERM... assuming yes)
        !           120:     elif test $ac_libnet_have_packet_socket = no; then
        !           121:         AC_MSG_RESULT(no)
        !           122:     fi
        !           123: 
        !           124:     rm -f pf_packet-test* core core.pf_packet-test
        !           125:     ;;
        !           126:     esac])
        !           127: 
        !           128:     if test $ac_libnet_have_packet_socket = yes -o $ac_libnet_have_packet_socket = probably; then
        !           129:         AC_DEFINE(HAVE_PACKET_SOCKET)
        !           130:     fi
        !           131: ])
        !           132: 
        !           133: dnl
        !           134: dnl Looks for a previous libnet version and attempts to determine which verion
        !           135: dnl it is.  Version 0.8 was the first version that actually knew internally
        !           136: dnl what version it was.
        !           137: dnl
        !           138: dnl usage:
        !           139: dnl
        !           140: dnl     AC_LIBNET_CHECK_LIBNET_VERSION
        !           141: dnl
        !           142: dnl results:
        !           143: dnl
        !           144: dnl
        !           145: dnl
        !           146: 
        !           147: AC_DEFUN(AC_LIBNET_CHECK_LIBNET_VER,
        !           148: [
        !           149:     AC_CHECK_LIB(net, libnet_build_ip, AC_MSG_CHECKING(version) \
        !           150: 
        !           151: changequote(<<, >>)dnl
        !           152:     if [[ ! -f $LIB_PREFIX/libnet.a ]] ; then
        !           153: changequote([, ])dnl
        !           154:         AC_MSG_RESULT($LIB_PREFIX/libnet.a doesn't exist)
        !           155:         AC_MSG_RESULT(previous libnet install lives elsewhere, you should probably find it)
        !           156:     else
        !           157:         __LIBNET_VERSION=`strings $LIB_PREFIX/libnet.a | grep "libnet version"\
        !           158:                 | cut -f3 -d" "`;\
        !           159:         if test -z "$__LIBNET_VERSION"; then
        !           160:             AC_MSG_RESULT(<0.8)
        !           161:         else
        !           162:             AC_MSG_RESULT($__LIBNET_VERSION)
        !           163:         fi
        !           164:     fi\
        !           165:     )
        !           166: ])
        !           167: 
        !           168: 
        !           169: dnl
        !           170: dnl Checks to see if this linux kernel uses ip_sum or ip_csum
        !           171: dnl (Pulled from queso)
        !           172: dnl
        !           173: dnl usage:
        !           174: dnl
        !           175: dnl     AC_LIBNET_CHECK_IP_CSUM
        !           176: dnl
        !           177: dnl results:
        !           178: dnl
        !           179: dnl     HAVE_STRUCT_IP_CSUM (DEFINED)
        !           180: dnl
        !           181: 
        !           182: AC_DEFUN(AC_LIBNET_CHECK_IP_CSUM,
        !           183: [
        !           184:     AC_MSG_CHECKING([struct ip contains ip_csum])
        !           185:     AC_TRY_COMPILE([
        !           186:         #define __BSD_SOURCE
        !           187:         #define _BSD_SOURCE
        !           188:         #include <sys/types.h>
        !           189:         #include <netinet/in.h>
        !           190:         #include <netinet/in_systm.h>
        !           191:         #include <netinet/ip.h>],
        !           192:         [
        !           193:             struct ip ip;
        !           194:             ip.ip_csum = 0;
        !           195:         ],
        !           196:         [AC_MSG_RESULT(yes);
        !           197:         AC_DEFINE(HAVE_STRUCT_IP_CSUM)],
        !           198:         [AC_MSG_RESULT(no);
        !           199:     ])
        !           200: ])
        !           201: 
        !           202: dnl
        !           203: dnl Checks to see if unaligned memory accesses fail
        !           204: dnl (Pulled from libpcap)
        !           205: dnl
        !           206: dnl usage:
        !           207: dnl
        !           208: dnl     AC_LBL_UNALIGNED_ACCESS
        !           209: dnl
        !           210: dnl results:
        !           211: dnl
        !           212: dnl     LBL_ALIGN (DEFINED)
        !           213: dnl
        !           214: 
        !           215: AC_DEFUN(AC_LBL_UNALIGNED_ACCESS,
        !           216:     [AC_MSG_CHECKING(if unaligned accesses fail)
        !           217:     AC_CACHE_VAL(ac_cv_lbl_unaligned_fail,
        !           218:         [case "$target_cpu" in
        !           219: 
        !           220:         alpha|hp*|mips|sparc)
        !           221:                 ac_cv_lbl_unaligned_fail=yes
        !           222:                 ;;
        !           223: 
        !           224:         *)
        !           225:                 cat >conftest.c <<EOF
        !           226: #                   include <sys/types.h>
        !           227: #                   include <sys/wait.h>
        !           228: #                   include <stdio.h>
        !           229:                     unsigned char a[[5]] = { 1, 2, 3, 4, 5 };
        !           230:                     main()
        !           231:                     {
        !           232:                         unsigned int i;
        !           233:                         pid_t pid;
        !           234:                         int status;
        !           235:                         /* avoid "core dumped" message */
        !           236:                         pid = fork();
        !           237:                         if (pid <  0)
        !           238:                         {
        !           239:                             exit(2);
        !           240:                         }
        !           241:                         if (pid > 0)
        !           242:                         {
        !           243:                             /* parent */
        !           244:                             pid = waitpid(pid, &status, 0);
        !           245:                             if (pid < 0)
        !           246:                             {
        !           247:                                 exit(3);
        !           248:                             }
        !           249:                             exit(!WIFEXITED(status));
        !           250:                         }
        !           251:                         /* child */
        !           252:                         i = *(unsigned int *)&a[[1]];
        !           253:                         printf("%d\n", i);
        !           254:                         exit(0);
        !           255:                     }
        !           256: EOF
        !           257:                 ${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS \
        !           258:                     conftest.c $LIBS > /dev/null 2>&1
        !           259:                 # Oopz 4.3 BSD doesn't have this.  Sorry.
        !           260:                 if test ! -x conftest ; then
        !           261:                         dnl failed to compile for some reason
        !           262:                         ac_cv_lbl_unaligned_fail=yes
        !           263:                 else
        !           264:                         ./conftest > conftest.out
        !           265:                         if test ! -s conftest.out ; then
        !           266:                                 ac_cv_lbl_unaligned_fail=yes
        !           267:                         else
        !           268:                                 ac_cv_lbl_unaligned_fail=no
        !           269:                         fi
        !           270:                 fi
        !           271:                 rm -f conftest* core core.conftest
        !           272:                 ;;
        !           273:         esac])
        !           274:     AC_MSG_RESULT($ac_cv_lbl_unaligned_fail)
        !           275:     if test $ac_cv_lbl_unaligned_fail = yes ; then
        !           276:             AC_DEFINE(LBL_ALIGN)
        !           277:     fi
        !           278: ])
        !           279: 
        !           280: 
        !           281: dnl
        !           282: dnl Checks endianess
        !           283: dnl
        !           284: dnl usage:
        !           285: dnl
        !           286: dnl     AC_LIBNET_ENDIAN_CHECK
        !           287: dnl
        !           288: dnl results:
        !           289: dnl
        !           290: dnl     LIBNET_BIG_ENDIAN = 1   or
        !           291: dnl     LIBNET_LIL_ENDIAN = 1
        !           292: dnl
        !           293: 
        !           294: AC_DEFUN(AC_LIBNET_ENDIAN_CHECK,
        !           295:     [AC_MSG_CHECKING(machine endianess)
        !           296: 
        !           297:     cat > conftest.c << EOF
        !           298: #       include <stdio.h>
        !           299: #       include <stdlib.h>
        !           300: 
        !           301:         int main()
        !           302:         {
        !           303:             union
        !           304:             {
        !           305:                 short s;
        !           306:                 char c[[sizeof(short)]];
        !           307:             } un;
        !           308: 
        !           309:             un.s = 0x0102;
        !           310:             if (sizeof (short) == 2)
        !           311:             {
        !           312:                 if (un.c [[0]] == 1 && un.c [[1]] == 2)
        !           313:                 {
        !           314:                     printf("B\n");
        !           315:                 }
        !           316:                 else
        !           317:                 {
        !           318:                     if (un.c [[0]] == 2 && un.c [[1]] == 1)
        !           319:                     {
        !           320:                         printf("L\n");
        !           321:                     }
        !           322:                 }
        !           323:             }
        !           324:             else
        !           325:             {
        !           326:                 printf("?\n");
        !           327:             }
        !           328:             return (EXIT_SUCCESS);
        !           329:         }
        !           330: EOF
        !           331:         ${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.c $LIBS > /dev/null 2>&1
        !           332:         # Oopz 4.3 BSD doesn't have this.  Sorry.
        !           333:         if test ! -x conftest ; then
        !           334: dnl failed to compile for some reason
        !           335:             ac_cv_libnet_endianess=unknown
        !           336:         else
        !           337:             ./conftest > conftest.out
        !           338:             result=`cat conftest.out`
        !           339:             if test $result = "B"; then
        !           340:                 ac_cv_libnet_endianess=big
        !           341:             elif test $result = "L"; then
        !           342:                 ac_cv_libnet_endianess=lil
        !           343:             else
        !           344:                 ac_cv_libnet_endianess=unknown
        !           345:             fi                                
        !           346:         fi
        !           347:         rm -f conftest* core core.conftest
        !           348: 
        !           349:         AC_MSG_RESULT($ac_cv_libnet_endianess)
        !           350: 
        !           351:         if test $ac_cv_libnet_endianess = big ; then
        !           352:             AC_DEFINE(LIBNET_BIG_ENDIAN)
        !           353:             ENDIANESS="LIBNET_BIG_ENDIAN"
        !           354:             LIBNET_CONFIG_DEFINES="$LIBNET_CONFIG_DEFINES -DLIBNET_BIG_ENDIAN"
        !           355:         elif test $ac_cv_libnet_endianess = lil ; then
        !           356:             AC_DEFINE(LIBNET_LIL_ENDIAN)
        !           357:             ENDIANESS="LIBNET_LIL_ENDIAN"
        !           358:             LIBNET_CONFIG_DEFINES="$LIBNET_CONFIG_DEFINES -DLIBNET_LIL_ENDIAN"
        !           359:         fi
        !           360:     ])
        !           361: 
        !           362: dnl
        !           363: dnl Improved version of AC_CHECK_LIB
        !           364: dnl
        !           365: dnl Thanks to John Hawkinson (jhawk@mit.edu)
        !           366: dnl
        !           367: dnl usage:
        !           368: dnl
        !           369: dnl     AC_LBL_CHECK_LIB(LIBRARY, FUNCTION [, ACTION-IF-FOUND [,
        !           370: dnl         ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]])
        !           371: dnl
        !           372: dnl results:
        !           373: dnl
        !           374: dnl     LIBS
        !           375: dnl
        !           376:  
        !           377: define(AC_LBL_CHECK_LIB,
        !           378: [AC_MSG_CHECKING([for $2 in -l$1])
        !           379: dnl Use a cache variable name containing both the library and function name,
        !           380: dnl because the test really is for library $1 defining function $2, not
        !           381: dnl just for library $1.  Separate tests with the same $1 and different $2's
        !           382: dnl may have different results.
        !           383: ac_lib_var=`echo $1['_']$2['_']$5 | sed 'y%./+- %__p__%'`
        !           384: AC_CACHE_VAL(ac_cv_lbl_lib_$ac_lib_var,
        !           385: [ac_save_LIBS="$LIBS"
        !           386: LIBS="-l$1 $5 $LIBS"
        !           387: AC_TRY_LINK(dnl
        !           388: ifelse([$2], [main], , dnl Avoid conflicting decl of main.
        !           389: [/* Override any gcc2 internal prototype to avoid an error.  */
        !           390: ]ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
        !           391: extern "C"
        !           392: #endif
        !           393: ])dnl
        !           394: [/* We use char because int might match the return type of a gcc2
        !           395:     builtin and then its argument prototype would still apply.  */
        !           396: char $2();
        !           397: ]),
        !           398:             [$2()],
        !           399:             eval "ac_cv_lbl_lib_$ac_lib_var=yes",
        !           400:             eval "ac_cv_lbl_lib_$ac_lib_var=no")
        !           401: LIBS="$ac_save_LIBS"
        !           402: ])dnl
        !           403: if eval "test \"`echo '$ac_cv_lbl_lib_'$ac_lib_var`\" = yes"; then
        !           404:   AC_MSG_RESULT(yes)
        !           405:   ifelse([$3], ,
        !           406: [changequote(, )dnl
        !           407:   ac_tr_lib=HAVE_LIB`echo $1 | sed -e 's/[^a-zA-Z0-9_]/_/g' \
        !           408:     -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
        !           409: changequote([, ])dnl
        !           410:   AC_DEFINE_UNQUOTED($ac_tr_lib)
        !           411:   LIBS="-l$1 $LIBS"
        !           412: ], [$3])
        !           413: else
        !           414:   AC_MSG_RESULT(no)
        !           415: ifelse([$4], , , [$4
        !           416: ])dnl
        !           417: fi
        !           418: ])
        !           419: 
        !           420: dnl
        !           421: dnl AC_LBL_LIBRARY_NET
        !           422: dnl
        !           423: dnl This test is for network applications that need socket() and
        !           424: dnl gethostbyname() -ish functions.  Under Solaris, those applications
        !           425: dnl need to link with "-lsocket -lnsl".  Under IRIX, they need to link
        !           426: dnl with "-lnsl" but should *not* link with "-lsocket" because
        !           427: dnl libsocket.a breaks a number of things (for instance:
        !           428: dnl gethostbyname() under IRIX 5.2, and snoop sockets under most
        !           429: dnl versions of IRIX).
        !           430: dnl
        !           431: dnl Unfortunately, many application developers are not aware of this,
        !           432: dnl and mistakenly write tests that cause -lsocket to be used under
        !           433: dnl IRIX.  It is also easy to write tests that cause -lnsl to be used
        !           434: dnl under operating systems where neither are necessary (or useful),
        !           435: dnl such as SunOS 4.1.4, which uses -lnsl for TLI.
        !           436: dnl
        !           437: dnl This test exists so that every application developer does not test
        !           438: dnl this in a different, and subtly broken fashion.
        !           439:  
        !           440: dnl It has been argued that this test should be broken up into two
        !           441: dnl seperate tests, one for the resolver libraries, and one for the
        !           442: dnl libraries necessary for using Sockets API. Unfortunately, the two
        !           443: dnl are carefully intertwined and allowing the autoconf user to use
        !           444: dnl them independantly potentially results in unfortunate ordering
        !           445: dnl dependancies -- as such, such component macros would have to
        !           446: dnl carefully use indirection and be aware if the other components were
        !           447: dnl executed. Since other autoconf macros do not go to this trouble,
        !           448: dnl and almost no applications use sockets without the resolver, this
        !           449: dnl complexity has not been implemented.
        !           450: dnl
        !           451: dnl The check for libresolv is in case you are attempting to link
        !           452: dnl statically and happen to have a libresolv.a lying around (and no
        !           453: dnl libnsl.a).
        !           454: dnl
        !           455: AC_DEFUN(AC_LBL_LIBRARY_NET, [
        !           456:     # Most operating systems have gethostbyname() in the default searched
        !           457:     # libraries (i.e. libc):
        !           458:     AC_CHECK_FUNC(gethostbyname, ,
        !           459:         # Some OSes (eg. Solaris) place it in libnsl:
        !           460:         AC_LBL_CHECK_LIB(nsl, gethostbyname, ,
        !           461:             # Some strange OSes (SINIX) have it in libsocket:
        !           462:             AC_LBL_CHECK_LIB(socket, gethostbyname, ,
        !           463:                 # Unfortunately libsocket sometimes depends on libnsl.
        !           464:                 # AC_CHECK_LIB's API is essentially broken so the
        !           465:                 # following ugliness is necessary:
        !           466:                 AC_LBL_CHECK_LIB(socket, gethostbyname,
        !           467:                     LIBS="-lsocket -lnsl $LIBS",
        !           468:                     AC_CHECK_LIB(resolv, gethostbyname),
        !           469:                     -lnsl))))
        !           470:     AC_CHECK_FUNC(socket, , AC_CHECK_LIB(socket, socket, ,
        !           471:         AC_LBL_CHECK_LIB(socket, socket, LIBS="-lsocket -lnsl $LIBS", ,
        !           472:             -lnsl)))
        !           473:     # DLPI needs putmsg under HPUX so test for -lstr while we're at it
        !           474:     AC_CHECK_LIB(str, putmsg)
        !           475:     ])
        !           476: 
        !           477: 
        !           478: # Do all the work for Automake.                            -*- Autoconf -*-
        !           479: 
        !           480: # This macro actually does too much some checks are only needed if
        !           481: # your package does certain things.  But this isn't really a big deal.
        !           482: 
        !           483: # Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002
        !           484: # Free Software Foundation, Inc.
        !           485: 
        !           486: # This program is free software; you can redistribute it and/or modify
        !           487: # it under the terms of the GNU General Public License as published by
        !           488: # the Free Software Foundation; either version 2, or (at your option)
        !           489: # any later version.
        !           490: 
        !           491: # This program is distributed in the hope that it will be useful,
        !           492: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !           493: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !           494: # GNU General Public License for more details.
        !           495: 
        !           496: # You should have received a copy of the GNU General Public License
        !           497: # along with this program; if not, write to the Free Software
        !           498: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !           499: # 02111-1307, USA.
        !           500: 
        !           501: # serial 8
        !           502: 
        !           503: # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
        !           504: # written in clear, in which case automake, when reading aclocal.m4,
        !           505: # will think it sees a *use*, and therefore will trigger all it's
        !           506: # C support machinery.  Also note that it means that autoscan, seeing
        !           507: # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
        !           508: 
        !           509: 
        !           510: AC_PREREQ([2.52])
        !           511: 
        !           512: # Autoconf 2.50 wants to disallow AM_ names.  We explicitly allow
        !           513: # the ones we care about.
        !           514: m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
        !           515: 
        !           516: # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
        !           517: # AM_INIT_AUTOMAKE([OPTIONS])
        !           518: # -----------------------------------------------
        !           519: # The call with PACKAGE and VERSION arguments is the old style
        !           520: # call (pre autoconf-2.50), which is being phased out.  PACKAGE
        !           521: # and VERSION should now be passed to AC_INIT and removed from
        !           522: # the call to AM_INIT_AUTOMAKE.
        !           523: # We support both call styles for the transition.  After
        !           524: # the next Automake release, Autoconf can make the AC_INIT
        !           525: # arguments mandatory, and then we can depend on a new Autoconf
        !           526: # release and drop the old call support.
        !           527: AC_DEFUN([AM_INIT_AUTOMAKE],
        !           528: [AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
        !           529:  AC_REQUIRE([AC_PROG_INSTALL])dnl
        !           530: # test to see if srcdir already configured
        !           531: if test "`cd $srcdir && pwd`" != "`pwd`" &&
        !           532:    test -f $srcdir/config.status; then
        !           533:   AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
        !           534: fi
        !           535: 
        !           536: # Define the identity of the package.
        !           537: dnl Distinguish between old-style and new-style calls.
        !           538: m4_ifval([$2],
        !           539: [m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
        !           540:  AC_SUBST([PACKAGE], [$1])dnl
        !           541:  AC_SUBST([VERSION], [$2])],
        !           542: [_AM_SET_OPTIONS([$1])dnl
        !           543:  AC_SUBST([PACKAGE], [AC_PACKAGE_TARNAME])dnl
        !           544:  AC_SUBST([VERSION], [AC_PACKAGE_VERSION])])dnl
        !           545: 
        !           546: _AM_IF_OPTION([no-define],,
        !           547: [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
        !           548:  AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
        !           549: 
        !           550: # Some tools Automake needs.
        !           551: AC_REQUIRE([AM_SANITY_CHECK])dnl
        !           552: AC_REQUIRE([AC_ARG_PROGRAM])dnl
        !           553: AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
        !           554: AM_MISSING_PROG(AUTOCONF, autoconf)
        !           555: AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
        !           556: AM_MISSING_PROG(AUTOHEADER, autoheader)
        !           557: AM_MISSING_PROG(MAKEINFO, makeinfo)
        !           558: AM_MISSING_PROG(AMTAR, tar)
        !           559: AM_PROG_INSTALL_SH
        !           560: AM_PROG_INSTALL_STRIP
        !           561: # We need awk for the "check" target.  The system "awk" is bad on
        !           562: # some platforms.
        !           563: AC_REQUIRE([AC_PROG_AWK])dnl
        !           564: AC_REQUIRE([AC_PROG_MAKE_SET])dnl
        !           565: 
        !           566: _AM_IF_OPTION([no-dependencies],,
        !           567: [AC_PROVIDE_IFELSE([AC_PROG_][CC],
        !           568:                   [_AM_DEPENDENCIES(CC)],
        !           569:                   [define([AC_PROG_][CC],
        !           570:                           defn([AC_PROG_][CC])[_AM_DEPENDENCIES(CC)])])dnl
        !           571: AC_PROVIDE_IFELSE([AC_PROG_][CXX],
        !           572:                   [_AM_DEPENDENCIES(CXX)],
        !           573:                   [define([AC_PROG_][CXX],
        !           574:                           defn([AC_PROG_][CXX])[_AM_DEPENDENCIES(CXX)])])dnl
        !           575: ])
        !           576: ])
        !           577: 
        !           578: # Copyright 2002  Free Software Foundation, Inc.
        !           579: 
        !           580: # This program is free software; you can redistribute it and/or modify
        !           581: # it under the terms of the GNU General Public License as published by
        !           582: # the Free Software Foundation; either version 2, or (at your option)
        !           583: # any later version.
        !           584: 
        !           585: # This program is distributed in the hope that it will be useful,
        !           586: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !           587: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !           588: # GNU General Public License for more details.
        !           589: 
        !           590: # You should have received a copy of the GNU General Public License
        !           591: # along with this program; if not, write to the Free Software
        !           592: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !           593: 
        !           594: # AM_AUTOMAKE_VERSION(VERSION)
        !           595: # ----------------------------
        !           596: # Automake X.Y traces this macro to ensure aclocal.m4 has been
        !           597: # generated from the m4 files accompanying Automake X.Y.
        !           598: AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version="1.6"])
        !           599: 
        !           600: # AM_SET_CURRENT_AUTOMAKE_VERSION
        !           601: # -------------------------------
        !           602: # Call AM_AUTOMAKE_VERSION so it can be traced.
        !           603: # This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
        !           604: AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
        !           605:         [AM_AUTOMAKE_VERSION([1.6.3])])
        !           606: 
        !           607: # Helper functions for option handling.                    -*- Autoconf -*-
        !           608: 
        !           609: # Copyright 2001, 2002  Free Software Foundation, Inc.
        !           610: 
        !           611: # This program is free software; you can redistribute it and/or modify
        !           612: # it under the terms of the GNU General Public License as published by
        !           613: # the Free Software Foundation; either version 2, or (at your option)
        !           614: # any later version.
        !           615: 
        !           616: # This program is distributed in the hope that it will be useful,
        !           617: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !           618: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !           619: # GNU General Public License for more details.
        !           620: 
        !           621: # You should have received a copy of the GNU General Public License
        !           622: # along with this program; if not, write to the Free Software
        !           623: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !           624: # 02111-1307, USA.
        !           625: 
        !           626: # serial 2
        !           627: 
        !           628: # _AM_MANGLE_OPTION(NAME)
        !           629: # -----------------------
        !           630: AC_DEFUN([_AM_MANGLE_OPTION],
        !           631: [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
        !           632: 
        !           633: # _AM_SET_OPTION(NAME)
        !           634: # ------------------------------
        !           635: # Set option NAME.  Presently that only means defining a flag for this option.
        !           636: AC_DEFUN([_AM_SET_OPTION],
        !           637: [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
        !           638: 
        !           639: # _AM_SET_OPTIONS(OPTIONS)
        !           640: # ----------------------------------
        !           641: # OPTIONS is a space-separated list of Automake options.
        !           642: AC_DEFUN([_AM_SET_OPTIONS],
        !           643: [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
        !           644: 
        !           645: # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
        !           646: # -------------------------------------------
        !           647: # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
        !           648: AC_DEFUN([_AM_IF_OPTION],
        !           649: [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
        !           650: 
        !           651: #
        !           652: # Check to make sure that the build environment is sane.
        !           653: #
        !           654: 
        !           655: # Copyright 1996, 1997, 2000, 2001 Free Software Foundation, Inc.
        !           656: 
        !           657: # This program is free software; you can redistribute it and/or modify
        !           658: # it under the terms of the GNU General Public License as published by
        !           659: # the Free Software Foundation; either version 2, or (at your option)
        !           660: # any later version.
        !           661: 
        !           662: # This program is distributed in the hope that it will be useful,
        !           663: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !           664: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !           665: # GNU General Public License for more details.
        !           666: 
        !           667: # You should have received a copy of the GNU General Public License
        !           668: # along with this program; if not, write to the Free Software
        !           669: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !           670: # 02111-1307, USA.
        !           671: 
        !           672: # serial 3
        !           673: 
        !           674: # AM_SANITY_CHECK
        !           675: # ---------------
        !           676: AC_DEFUN([AM_SANITY_CHECK],
        !           677: [AC_MSG_CHECKING([whether build environment is sane])
        !           678: # Just in case
        !           679: sleep 1
        !           680: echo timestamp > conftest.file
        !           681: # Do `set' in a subshell so we don't clobber the current shell's
        !           682: # arguments.  Must try -L first in case configure is actually a
        !           683: # symlink; some systems play weird games with the mod time of symlinks
        !           684: # (eg FreeBSD returns the mod time of the symlink's containing
        !           685: # directory).
        !           686: if (
        !           687:    set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
        !           688:    if test "$[*]" = "X"; then
        !           689:       # -L didn't work.
        !           690:       set X `ls -t $srcdir/configure conftest.file`
        !           691:    fi
        !           692:    rm -f conftest.file
        !           693:    if test "$[*]" != "X $srcdir/configure conftest.file" \
        !           694:       && test "$[*]" != "X conftest.file $srcdir/configure"; then
        !           695: 
        !           696:       # If neither matched, then we have a broken ls.  This can happen
        !           697:       # if, for instance, CONFIG_SHELL is bash and it inherits a
        !           698:       # broken ls alias from the environment.  This has actually
        !           699:       # happened.  Such a system could not be considered "sane".
        !           700:       AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
        !           701: alias in your environment])
        !           702:    fi
        !           703: 
        !           704:    test "$[2]" = conftest.file
        !           705:    )
        !           706: then
        !           707:    # Ok.
        !           708:    :
        !           709: else
        !           710:    AC_MSG_ERROR([newly created file is older than distributed files!
        !           711: Check your system clock])
        !           712: fi
        !           713: AC_MSG_RESULT(yes)])
        !           714: 
        !           715: #  -*- Autoconf -*-
        !           716: 
        !           717: 
        !           718: # Copyright 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
        !           719: 
        !           720: # This program is free software; you can redistribute it and/or modify
        !           721: # it under the terms of the GNU General Public License as published by
        !           722: # the Free Software Foundation; either version 2, or (at your option)
        !           723: # any later version.
        !           724: 
        !           725: # This program is distributed in the hope that it will be useful,
        !           726: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !           727: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !           728: # GNU General Public License for more details.
        !           729: 
        !           730: # You should have received a copy of the GNU General Public License
        !           731: # along with this program; if not, write to the Free Software
        !           732: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !           733: # 02111-1307, USA.
        !           734: 
        !           735: # serial 3
        !           736: 
        !           737: # AM_MISSING_PROG(NAME, PROGRAM)
        !           738: # ------------------------------
        !           739: AC_DEFUN([AM_MISSING_PROG],
        !           740: [AC_REQUIRE([AM_MISSING_HAS_RUN])
        !           741: $1=${$1-"${am_missing_run}$2"}
        !           742: AC_SUBST($1)])
        !           743: 
        !           744: 
        !           745: # AM_MISSING_HAS_RUN
        !           746: # ------------------
        !           747: # Define MISSING if not defined so far and test if it supports --run.
        !           748: # If it does, set am_missing_run to use it, otherwise, to nothing.
        !           749: AC_DEFUN([AM_MISSING_HAS_RUN],
        !           750: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
        !           751: test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
        !           752: # Use eval to expand $SHELL
        !           753: if eval "$MISSING --run true"; then
        !           754:   am_missing_run="$MISSING --run "
        !           755: else
        !           756:   am_missing_run=
        !           757:   AC_MSG_WARN([`missing' script is too old or missing])
        !           758: fi
        !           759: ])
        !           760: 
        !           761: # AM_AUX_DIR_EXPAND
        !           762: 
        !           763: # Copyright 2001 Free Software Foundation, Inc.
        !           764: 
        !           765: # This program is free software; you can redistribute it and/or modify
        !           766: # it under the terms of the GNU General Public License as published by
        !           767: # the Free Software Foundation; either version 2, or (at your option)
        !           768: # any later version.
        !           769: 
        !           770: # This program is distributed in the hope that it will be useful,
        !           771: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !           772: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !           773: # GNU General Public License for more details.
        !           774: 
        !           775: # You should have received a copy of the GNU General Public License
        !           776: # along with this program; if not, write to the Free Software
        !           777: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !           778: # 02111-1307, USA.
        !           779: 
        !           780: # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
        !           781: # $ac_aux_dir to `$srcdir/foo'.  In other projects, it is set to
        !           782: # `$srcdir', `$srcdir/..', or `$srcdir/../..'.
        !           783: #
        !           784: # Of course, Automake must honor this variable whenever it calls a
        !           785: # tool from the auxiliary directory.  The problem is that $srcdir (and
        !           786: # therefore $ac_aux_dir as well) can be either absolute or relative,
        !           787: # depending on how configure is run.  This is pretty annoying, since
        !           788: # it makes $ac_aux_dir quite unusable in subdirectories: in the top
        !           789: # source directory, any form will work fine, but in subdirectories a
        !           790: # relative path needs to be adjusted first.
        !           791: #
        !           792: # $ac_aux_dir/missing
        !           793: #    fails when called from a subdirectory if $ac_aux_dir is relative
        !           794: # $top_srcdir/$ac_aux_dir/missing
        !           795: #    fails if $ac_aux_dir is absolute,
        !           796: #    fails when called from a subdirectory in a VPATH build with
        !           797: #          a relative $ac_aux_dir
        !           798: #
        !           799: # The reason of the latter failure is that $top_srcdir and $ac_aux_dir
        !           800: # are both prefixed by $srcdir.  In an in-source build this is usually
        !           801: # harmless because $srcdir is `.', but things will broke when you
        !           802: # start a VPATH build or use an absolute $srcdir.
        !           803: #
        !           804: # So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
        !           805: # iff we strip the leading $srcdir from $ac_aux_dir.  That would be:
        !           806: #   am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
        !           807: # and then we would define $MISSING as
        !           808: #   MISSING="\${SHELL} $am_aux_dir/missing"
        !           809: # This will work as long as MISSING is not called from configure, because
        !           810: # unfortunately $(top_srcdir) has no meaning in configure.
        !           811: # However there are other variables, like CC, which are often used in
        !           812: # configure, and could therefore not use this "fixed" $ac_aux_dir.
        !           813: #
        !           814: # Another solution, used here, is to always expand $ac_aux_dir to an
        !           815: # absolute PATH.  The drawback is that using absolute paths prevent a
        !           816: # configured tree to be moved without reconfiguration.
        !           817: 
        !           818: # Rely on autoconf to set up CDPATH properly.
        !           819: AC_PREREQ([2.50])
        !           820: 
        !           821: AC_DEFUN([AM_AUX_DIR_EXPAND], [
        !           822: # expand $ac_aux_dir to an absolute path
        !           823: am_aux_dir=`cd $ac_aux_dir && pwd`
        !           824: ])
        !           825: 
        !           826: # AM_PROG_INSTALL_SH
        !           827: # ------------------
        !           828: # Define $install_sh.
        !           829: 
        !           830: # Copyright 2001 Free Software Foundation, Inc.
        !           831: 
        !           832: # This program is free software; you can redistribute it and/or modify
        !           833: # it under the terms of the GNU General Public License as published by
        !           834: # the Free Software Foundation; either version 2, or (at your option)
        !           835: # any later version.
        !           836: 
        !           837: # This program is distributed in the hope that it will be useful,
        !           838: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !           839: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !           840: # GNU General Public License for more details.
        !           841: 
        !           842: # You should have received a copy of the GNU General Public License
        !           843: # along with this program; if not, write to the Free Software
        !           844: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !           845: # 02111-1307, USA.
        !           846: 
        !           847: AC_DEFUN([AM_PROG_INSTALL_SH],
        !           848: [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
        !           849: install_sh=${install_sh-"$am_aux_dir/install-sh"}
        !           850: AC_SUBST(install_sh)])
        !           851: 
        !           852: # AM_PROG_INSTALL_STRIP
        !           853: 
        !           854: # Copyright 2001 Free Software Foundation, Inc.
        !           855: 
        !           856: # This program is free software; you can redistribute it and/or modify
        !           857: # it under the terms of the GNU General Public License as published by
        !           858: # the Free Software Foundation; either version 2, or (at your option)
        !           859: # any later version.
        !           860: 
        !           861: # This program is distributed in the hope that it will be useful,
        !           862: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !           863: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !           864: # GNU General Public License for more details.
        !           865: 
        !           866: # You should have received a copy of the GNU General Public License
        !           867: # along with this program; if not, write to the Free Software
        !           868: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !           869: # 02111-1307, USA.
        !           870: 
        !           871: # One issue with vendor `install' (even GNU) is that you can't
        !           872: # specify the program used to strip binaries.  This is especially
        !           873: # annoying in cross-compiling environments, where the build's strip
        !           874: # is unlikely to handle the host's binaries.
        !           875: # Fortunately install-sh will honor a STRIPPROG variable, so we
        !           876: # always use install-sh in `make install-strip', and initialize
        !           877: # STRIPPROG with the value of the STRIP variable (set by the user).
        !           878: AC_DEFUN([AM_PROG_INSTALL_STRIP],
        !           879: [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
        !           880: # Installed binaries are usually stripped using `strip' when the user
        !           881: # run `make install-strip'.  However `strip' might not be the right
        !           882: # tool to use in cross-compilation environments, therefore Automake
        !           883: # will honor the `STRIP' environment variable to overrule this program.
        !           884: dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
        !           885: if test "$cross_compiling" != no; then
        !           886:   AC_CHECK_TOOL([STRIP], [strip], :)
        !           887: fi
        !           888: INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
        !           889: AC_SUBST([INSTALL_STRIP_PROGRAM])])
        !           890: 
        !           891: # serial 4                                             -*- Autoconf -*-
        !           892: 
        !           893: # Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
        !           894: 
        !           895: # This program is free software; you can redistribute it and/or modify
        !           896: # it under the terms of the GNU General Public License as published by
        !           897: # the Free Software Foundation; either version 2, or (at your option)
        !           898: # any later version.
        !           899: 
        !           900: # This program is distributed in the hope that it will be useful,
        !           901: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !           902: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !           903: # GNU General Public License for more details.
        !           904: 
        !           905: # You should have received a copy of the GNU General Public License
        !           906: # along with this program; if not, write to the Free Software
        !           907: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !           908: # 02111-1307, USA.
        !           909: 
        !           910: 
        !           911: # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
        !           912: # written in clear, in which case automake, when reading aclocal.m4,
        !           913: # will think it sees a *use*, and therefore will trigger all it's
        !           914: # C support machinery.  Also note that it means that autoscan, seeing
        !           915: # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
        !           916: 
        !           917: 
        !           918: 
        !           919: # _AM_DEPENDENCIES(NAME)
        !           920: # ----------------------
        !           921: # See how the compiler implements dependency checking.
        !           922: # NAME is "CC", "CXX", "GCJ", or "OBJC".
        !           923: # We try a few techniques and use that to set a single cache variable.
        !           924: #
        !           925: # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
        !           926: # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
        !           927: # dependency, and given that the user is not expected to run this macro,
        !           928: # just rely on AC_PROG_CC.
        !           929: AC_DEFUN([_AM_DEPENDENCIES],
        !           930: [AC_REQUIRE([AM_SET_DEPDIR])dnl
        !           931: AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
        !           932: AC_REQUIRE([AM_MAKE_INCLUDE])dnl
        !           933: AC_REQUIRE([AM_DEP_TRACK])dnl
        !           934: 
        !           935: ifelse([$1], CC,   [depcc="$CC"   am_compiler_list=],
        !           936:        [$1], CXX,  [depcc="$CXX"  am_compiler_list=],
        !           937:        [$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
        !           938:        [$1], GCJ,  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
        !           939:                    [depcc="$$1"   am_compiler_list=])
        !           940: 
        !           941: AC_CACHE_CHECK([dependency style of $depcc],
        !           942:                [am_cv_$1_dependencies_compiler_type],
        !           943: [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
        !           944:   # We make a subdir and do the tests there.  Otherwise we can end up
        !           945:   # making bogus files that we don't know about and never remove.  For
        !           946:   # instance it was reported that on HP-UX the gcc test will end up
        !           947:   # making a dummy file named `D' -- because `-MD' means `put the output
        !           948:   # in D'.
        !           949:   mkdir conftest.dir
        !           950:   # Copy depcomp to subdir because otherwise we won't find it if we're
        !           951:   # using a relative directory.
        !           952:   cp "$am_depcomp" conftest.dir
        !           953:   cd conftest.dir
        !           954: 
        !           955:   am_cv_$1_dependencies_compiler_type=none
        !           956:   if test "$am_compiler_list" = ""; then
        !           957:      am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
        !           958:   fi
        !           959:   for depmode in $am_compiler_list; do
        !           960:     # We need to recreate these files for each test, as the compiler may
        !           961:     # overwrite some of them when testing with obscure command lines.
        !           962:     # This happens at least with the AIX C compiler.
        !           963:     echo '#include "conftest.h"' > conftest.c
        !           964:     echo 'int i;' > conftest.h
        !           965:     echo "${am__include} ${am__quote}conftest.Po${am__quote}" > confmf
        !           966: 
        !           967:     case $depmode in
        !           968:     nosideeffect)
        !           969:       # after this tag, mechanisms are not by side-effect, so they'll
        !           970:       # only be used when explicitly requested
        !           971:       if test "x$enable_dependency_tracking" = xyes; then
        !           972:        continue
        !           973:       else
        !           974:        break
        !           975:       fi
        !           976:       ;;
        !           977:     none) break ;;
        !           978:     esac
        !           979:     # We check with `-c' and `-o' for the sake of the "dashmstdout"
        !           980:     # mode.  It turns out that the SunPro C++ compiler does not properly
        !           981:     # handle `-M -o', and we need to detect this.
        !           982:     if depmode=$depmode \
        !           983:        source=conftest.c object=conftest.o \
        !           984:        depfile=conftest.Po tmpdepfile=conftest.TPo \
        !           985:        $SHELL ./depcomp $depcc -c conftest.c -o conftest.o >/dev/null 2>&1 &&
        !           986:        grep conftest.h conftest.Po > /dev/null 2>&1 &&
        !           987:        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
        !           988:       am_cv_$1_dependencies_compiler_type=$depmode
        !           989:       break
        !           990:     fi
        !           991:   done
        !           992: 
        !           993:   cd ..
        !           994:   rm -rf conftest.dir
        !           995: else
        !           996:   am_cv_$1_dependencies_compiler_type=none
        !           997: fi
        !           998: ])
        !           999: AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
        !          1000: ])
        !          1001: 
        !          1002: 
        !          1003: # AM_SET_DEPDIR
        !          1004: # -------------
        !          1005: # Choose a directory name for dependency files.
        !          1006: # This macro is AC_REQUIREd in _AM_DEPENDENCIES
        !          1007: AC_DEFUN([AM_SET_DEPDIR],
        !          1008: [rm -f .deps 2>/dev/null
        !          1009: mkdir .deps 2>/dev/null
        !          1010: if test -d .deps; then
        !          1011:   DEPDIR=.deps
        !          1012: else
        !          1013:   # MS-DOS does not allow filenames that begin with a dot.
        !          1014:   DEPDIR=_deps
        !          1015: fi
        !          1016: rmdir .deps 2>/dev/null
        !          1017: AC_SUBST([DEPDIR])
        !          1018: ])
        !          1019: 
        !          1020: 
        !          1021: # AM_DEP_TRACK
        !          1022: # ------------
        !          1023: AC_DEFUN([AM_DEP_TRACK],
        !          1024: [AC_ARG_ENABLE(dependency-tracking,
        !          1025: [  --disable-dependency-tracking Speeds up one-time builds
        !          1026:   --enable-dependency-tracking  Do not reject slow dependency extractors])
        !          1027: if test "x$enable_dependency_tracking" != xno; then
        !          1028:   am_depcomp="$ac_aux_dir/depcomp"
        !          1029:   AMDEPBACKSLASH='\'
        !          1030: fi
        !          1031: AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
        !          1032: AC_SUBST([AMDEPBACKSLASH])
        !          1033: ])
        !          1034: 
        !          1035: # Generate code to set up dependency tracking.   -*- Autoconf -*-
        !          1036: 
        !          1037: # Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
        !          1038: 
        !          1039: # This program is free software; you can redistribute it and/or modify
        !          1040: # it under the terms of the GNU General Public License as published by
        !          1041: # the Free Software Foundation; either version 2, or (at your option)
        !          1042: # any later version.
        !          1043: 
        !          1044: # This program is distributed in the hope that it will be useful,
        !          1045: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !          1046: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !          1047: # GNU General Public License for more details.
        !          1048: 
        !          1049: # You should have received a copy of the GNU General Public License
        !          1050: # along with this program; if not, write to the Free Software
        !          1051: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !          1052: # 02111-1307, USA.
        !          1053: 
        !          1054: #serial 2
        !          1055: 
        !          1056: # _AM_OUTPUT_DEPENDENCY_COMMANDS
        !          1057: # ------------------------------
        !          1058: AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
        !          1059: [for mf in $CONFIG_FILES; do
        !          1060:   # Strip MF so we end up with the name of the file.
        !          1061:   mf=`echo "$mf" | sed -e 's/:.*$//'`
        !          1062:   # Check whether this is an Automake generated Makefile or not.
        !          1063:   # We used to match only the files named `Makefile.in', but
        !          1064:   # some people rename them; so instead we look at the file content.
        !          1065:   # Grep'ing the first line is not enough: some people post-process
        !          1066:   # each Makefile.in and add a new line on top of each file to say so.
        !          1067:   # So let's grep whole file.
        !          1068:   if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then
        !          1069:     dirpart=`AS_DIRNAME("$mf")`
        !          1070:   else
        !          1071:     continue
        !          1072:   fi
        !          1073:   grep '^DEP_FILES *= *[[^ @%:@]]' < "$mf" > /dev/null || continue
        !          1074:   # Extract the definition of DEP_FILES from the Makefile without
        !          1075:   # running `make'.
        !          1076:   DEPDIR=`sed -n -e '/^DEPDIR = / s///p' < "$mf"`
        !          1077:   test -z "$DEPDIR" && continue
        !          1078:   # When using ansi2knr, U may be empty or an underscore; expand it
        !          1079:   U=`sed -n -e '/^U = / s///p' < "$mf"`
        !          1080:   test -d "$dirpart/$DEPDIR" || mkdir "$dirpart/$DEPDIR"
        !          1081:   # We invoke sed twice because it is the simplest approach to
        !          1082:   # changing $(DEPDIR) to its actual value in the expansion.
        !          1083:   for file in `sed -n -e '
        !          1084:     /^DEP_FILES = .*\\\\$/ {
        !          1085:       s/^DEP_FILES = //
        !          1086:       :loop
        !          1087:        s/\\\\$//
        !          1088:        p
        !          1089:        n
        !          1090:        /\\\\$/ b loop
        !          1091:       p
        !          1092:     }
        !          1093:     /^DEP_FILES = / s/^DEP_FILES = //p' < "$mf" | \
        !          1094:        sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
        !          1095:     # Make sure the directory exists.
        !          1096:     test -f "$dirpart/$file" && continue
        !          1097:     fdir=`AS_DIRNAME(["$file"])`
        !          1098:     AS_MKDIR_P([$dirpart/$fdir])
        !          1099:     # echo "creating $dirpart/$file"
        !          1100:     echo '# dummy' > "$dirpart/$file"
        !          1101:   done
        !          1102: done
        !          1103: ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
        !          1104: 
        !          1105: 
        !          1106: # AM_OUTPUT_DEPENDENCY_COMMANDS
        !          1107: # -----------------------------
        !          1108: # This macro should only be invoked once -- use via AC_REQUIRE.
        !          1109: #
        !          1110: # This code is only required when automatic dependency tracking
        !          1111: # is enabled.  FIXME.  This creates each `.P' file that we will
        !          1112: # need in order to bootstrap the dependency handling code.
        !          1113: AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
        !          1114: [AC_CONFIG_COMMANDS([depfiles],
        !          1115:      [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
        !          1116:      [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
        !          1117: ])
        !          1118: 
        !          1119: # Copyright 2001 Free Software Foundation, Inc.             -*- Autoconf -*-
        !          1120: 
        !          1121: # This program is free software; you can redistribute it and/or modify
        !          1122: # it under the terms of the GNU General Public License as published by
        !          1123: # the Free Software Foundation; either version 2, or (at your option)
        !          1124: # any later version.
        !          1125: 
        !          1126: # This program is distributed in the hope that it will be useful,
        !          1127: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !          1128: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !          1129: # GNU General Public License for more details.
        !          1130: 
        !          1131: # You should have received a copy of the GNU General Public License
        !          1132: # along with this program; if not, write to the Free Software
        !          1133: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !          1134: # 02111-1307, USA.
        !          1135: 
        !          1136: # serial 2
        !          1137: 
        !          1138: # AM_MAKE_INCLUDE()
        !          1139: # -----------------
        !          1140: # Check to see how make treats includes.
        !          1141: AC_DEFUN([AM_MAKE_INCLUDE],
        !          1142: [am_make=${MAKE-make}
        !          1143: cat > confinc << 'END'
        !          1144: doit:
        !          1145:        @echo done
        !          1146: END
        !          1147: # If we don't find an include directive, just comment out the code.
        !          1148: AC_MSG_CHECKING([for style of include used by $am_make])
        !          1149: am__include="#"
        !          1150: am__quote=
        !          1151: _am_result=none
        !          1152: # First try GNU make style include.
        !          1153: echo "include confinc" > confmf
        !          1154: # We grep out `Entering directory' and `Leaving directory'
        !          1155: # messages which can occur if `w' ends up in MAKEFLAGS.
        !          1156: # In particular we don't look at `^make:' because GNU make might
        !          1157: # be invoked under some other name (usually "gmake"), in which
        !          1158: # case it prints its new name instead of `make'.
        !          1159: if test "`$am_make -s -f confmf 2> /dev/null | fgrep -v 'ing directory'`" = "done"; then
        !          1160:    am__include=include
        !          1161:    am__quote=
        !          1162:    _am_result=GNU
        !          1163: fi
        !          1164: # Now try BSD make style include.
        !          1165: if test "$am__include" = "#"; then
        !          1166:    echo '.include "confinc"' > confmf
        !          1167:    if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
        !          1168:       am__include=.include
        !          1169:       am__quote="\""
        !          1170:       _am_result=BSD
        !          1171:    fi
        !          1172: fi
        !          1173: AC_SUBST(am__include)
        !          1174: AC_SUBST(am__quote)
        !          1175: AC_MSG_RESULT($_am_result)
        !          1176: rm -f confinc confmf
        !          1177: ])
        !          1178: 
        !          1179: # AM_CONDITIONAL                                              -*- Autoconf -*-
        !          1180: 
        !          1181: # Copyright 1997, 2000, 2001 Free Software Foundation, Inc.
        !          1182: 
        !          1183: # This program is free software; you can redistribute it and/or modify
        !          1184: # it under the terms of the GNU General Public License as published by
        !          1185: # the Free Software Foundation; either version 2, or (at your option)
        !          1186: # any later version.
        !          1187: 
        !          1188: # This program is distributed in the hope that it will be useful,
        !          1189: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !          1190: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !          1191: # GNU General Public License for more details.
        !          1192: 
        !          1193: # You should have received a copy of the GNU General Public License
        !          1194: # along with this program; if not, write to the Free Software
        !          1195: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !          1196: # 02111-1307, USA.
        !          1197: 
        !          1198: # serial 5
        !          1199: 
        !          1200: AC_PREREQ(2.52)
        !          1201: 
        !          1202: # AM_CONDITIONAL(NAME, SHELL-CONDITION)
        !          1203: # -------------------------------------
        !          1204: # Define a conditional.
        !          1205: AC_DEFUN([AM_CONDITIONAL],
        !          1206: [ifelse([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
        !          1207:         [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
        !          1208: AC_SUBST([$1_TRUE])
        !          1209: AC_SUBST([$1_FALSE])
        !          1210: if $2; then
        !          1211:   $1_TRUE=
        !          1212:   $1_FALSE='#'
        !          1213: else
        !          1214:   $1_TRUE='#'
        !          1215:   $1_FALSE=
        !          1216: fi
        !          1217: AC_CONFIG_COMMANDS_PRE(
        !          1218: [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
        !          1219:   AC_MSG_ERROR([conditional \"$1\" was never defined.
        !          1220: Usually this means the macro was only invoked conditionally.])
        !          1221: fi])])
        !          1222: 
        !          1223: # Like AC_CONFIG_HEADER, but automatically create stamp file. -*- Autoconf -*-
        !          1224: 
        !          1225: # Copyright 1996, 1997, 2000, 2001 Free Software Foundation, Inc.
        !          1226: 
        !          1227: # This program is free software; you can redistribute it and/or modify
        !          1228: # it under the terms of the GNU General Public License as published by
        !          1229: # the Free Software Foundation; either version 2, or (at your option)
        !          1230: # any later version.
        !          1231: 
        !          1232: # This program is distributed in the hope that it will be useful,
        !          1233: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !          1234: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !          1235: # GNU General Public License for more details.
        !          1236: 
        !          1237: # You should have received a copy of the GNU General Public License
        !          1238: # along with this program; if not, write to the Free Software
        !          1239: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !          1240: # 02111-1307, USA.
        !          1241: 
        !          1242: AC_PREREQ([2.52])
        !          1243: 
        !          1244: # serial 6
        !          1245: 
        !          1246: # When config.status generates a header, we must update the stamp-h file.
        !          1247: # This file resides in the same directory as the config header
        !          1248: # that is generated.  We must strip everything past the first ":",
        !          1249: # and everything past the last "/".
        !          1250: 
        !          1251: # _AM_DIRNAME(PATH)
        !          1252: # -----------------
        !          1253: # Like AS_DIRNAME, only do it during macro expansion
        !          1254: AC_DEFUN([_AM_DIRNAME],
        !          1255:        [m4_if(regexp([$1], [^.*[^/]//*[^/][^/]*/*$]), -1,
        !          1256:              m4_if(regexp([$1], [^//\([^/]\|$\)]), -1,
        !          1257:                    m4_if(regexp([$1], [^/.*]), -1,
        !          1258:                          [.],
        !          1259:                          patsubst([$1], [^\(/\).*], [\1])),
        !          1260:                    patsubst([$1], [^\(//\)\([^/].*\|$\)], [\1])),
        !          1261:              patsubst([$1], [^\(.*[^/]\)//*[^/][^/]*/*$], [\1]))[]dnl
        !          1262: ])# _AM_DIRNAME
        !          1263: 
        !          1264: 
        !          1265: # The stamp files are numbered to have different names.
        !          1266: # We could number them on a directory basis, but that's additional
        !          1267: # complications, let's have a unique counter.
        !          1268: m4_define([_AM_STAMP_Count], [0])
        !          1269: 
        !          1270: 
        !          1271: # _AM_STAMP(HEADER)
        !          1272: # -----------------
        !          1273: # The name of the stamp file for HEADER.
        !          1274: AC_DEFUN([_AM_STAMP],
        !          1275: [m4_define([_AM_STAMP_Count], m4_incr(_AM_STAMP_Count))dnl
        !          1276: AS_ESCAPE(_AM_DIRNAME(patsubst([$1],
        !          1277:                                [:.*])))/stamp-h[]_AM_STAMP_Count])
        !          1278: 
        !          1279: 
        !          1280: # _AM_CONFIG_HEADER(HEADER[:SOURCES], COMMANDS, INIT-COMMANDS)
        !          1281: # ------------------------------------------------------------
        !          1282: # We used to try to get a real timestamp in stamp-h.  But the fear is that
        !          1283: # that will cause unnecessary cvs conflicts.
        !          1284: AC_DEFUN([_AM_CONFIG_HEADER],
        !          1285: [# Add the stamp file to the list of files AC keeps track of,
        !          1286: # along with our hook.
        !          1287: AC_CONFIG_HEADERS([$1],
        !          1288:                   [# update the timestamp
        !          1289: echo 'timestamp for $1' >"_AM_STAMP([$1])"
        !          1290: $2],
        !          1291:                   [$3])
        !          1292: ])# _AM_CONFIG_HEADER
        !          1293: 
        !          1294: 
        !          1295: # AM_CONFIG_HEADER(HEADER[:SOURCES]..., COMMANDS, INIT-COMMANDS)
        !          1296: # --------------------------------------------------------------
        !          1297: AC_DEFUN([AM_CONFIG_HEADER],
        !          1298: [AC_FOREACH([_AM_File], [$1], [_AM_CONFIG_HEADER(_AM_File, [$2], [$3])])
        !          1299: ])# AM_CONFIG_HEADER
        !          1300: 
        !          1301: # Add --enable-maintainer-mode option to configure.
        !          1302: # From Jim Meyering
        !          1303: 
        !          1304: # Copyright 1996, 1998, 2000, 2001 Free Software Foundation, Inc.
        !          1305: 
        !          1306: # This program is free software; you can redistribute it and/or modify
        !          1307: # it under the terms of the GNU General Public License as published by
        !          1308: # the Free Software Foundation; either version 2, or (at your option)
        !          1309: # any later version.
        !          1310: 
        !          1311: # This program is distributed in the hope that it will be useful,
        !          1312: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !          1313: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !          1314: # GNU General Public License for more details.
        !          1315: 
        !          1316: # You should have received a copy of the GNU General Public License
        !          1317: # along with this program; if not, write to the Free Software
        !          1318: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !          1319: # 02111-1307, USA.
        !          1320: 
        !          1321: # serial 1
        !          1322: 
        !          1323: AC_DEFUN([AM_MAINTAINER_MODE],
        !          1324: [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
        !          1325:   dnl maintainer-mode is disabled by default
        !          1326:   AC_ARG_ENABLE(maintainer-mode,
        !          1327: [  --enable-maintainer-mode enable make rules and dependencies not useful
        !          1328:                           (and sometimes confusing) to the casual installer],
        !          1329:       USE_MAINTAINER_MODE=$enableval,
        !          1330:       USE_MAINTAINER_MODE=no)
        !          1331:   AC_MSG_RESULT([$USE_MAINTAINER_MODE])
        !          1332:   AM_CONDITIONAL(MAINTAINER_MODE, [test $USE_MAINTAINER_MODE = yes])
        !          1333:   MAINT=$MAINTAINER_MODE_TRUE
        !          1334:   AC_SUBST(MAINT)dnl
        !          1335: ]
        !          1336: )
        !          1337: 

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