acinclude.m4
author Sam Lantinga <slouken@libsdl.org>
Sun, 23 Sep 2001 22:33:19 +0000
changeset 199 2ad0957f6265
parent 1 cf2af46e9e2a
child 723 1e8865a3e127
permissions -rw-r--r--
*** empty log message ***
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# Local macros for the SDL configure.in script
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dnl Function to link an architecture specific file
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dnl LINK_ARCH_SRC(source_dir, arch, source_file)
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AC_DEFUN(COPY_ARCH_SRC,
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[
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  echo "Copying $1/$2/$3 -> $1/$3"
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  old="$srcdir/$1/$2/$3"
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  new="$srcdir/$1/$3"
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  cat >$new <<__EOF__
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/* WARNING:  This file was automatically generated!
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 * Original: $old
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 */
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__EOF__
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  cat >>$new <$old
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])
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#
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# --- esd.m4 ---
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#
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# Configure paths for ESD
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# Manish Singh    98-9-30
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# stolen back from Frank Belew
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# stolen from Manish Singh
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# Shamelessly stolen from Owen Taylor
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dnl AM_PATH_ESD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
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dnl Test for ESD, and define ESD_CFLAGS and ESD_LIBS
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dnl
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AC_DEFUN(AM_PATH_ESD,
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[dnl 
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dnl Get the cflags and libraries from the esd-config script
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dnl
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AC_ARG_WITH(esd-prefix,[  --with-esd-prefix=PFX   Prefix where ESD is installed (optional)],
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            esd_prefix="$withval", esd_prefix="")
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AC_ARG_WITH(esd-exec-prefix,[  --with-esd-exec-prefix=PFX Exec prefix where ESD is installed (optional)],
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            esd_exec_prefix="$withval", esd_exec_prefix="")
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AC_ARG_ENABLE(esdtest, [  --disable-esdtest       Do not try to compile and run a test ESD program],
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		    , enable_esdtest=yes)
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  if test x$esd_exec_prefix != x ; then
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     esd_args="$esd_args --exec-prefix=$esd_exec_prefix"
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     if test x${ESD_CONFIG+set} != xset ; then
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        ESD_CONFIG=$esd_exec_prefix/bin/esd-config
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     fi
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  fi
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  if test x$esd_prefix != x ; then
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     esd_args="$esd_args --prefix=$esd_prefix"
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     if test x${ESD_CONFIG+set} != xset ; then
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        ESD_CONFIG=$esd_prefix/bin/esd-config
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     fi
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  fi
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  AC_PATH_PROG(ESD_CONFIG, esd-config, no)
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  min_esd_version=ifelse([$1], ,0.2.7,$1)
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  AC_MSG_CHECKING(for ESD - version >= $min_esd_version)
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  no_esd=""
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  if test "$ESD_CONFIG" = "no" ; then
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    no_esd=yes
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  else
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    ESD_CFLAGS=`$ESD_CONFIG $esdconf_args --cflags`
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    ESD_LIBS=`$ESD_CONFIG $esdconf_args --libs`
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    esd_major_version=`$ESD_CONFIG $esd_args --version | \
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           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
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    esd_minor_version=`$ESD_CONFIG $esd_args --version | \
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           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
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    esd_micro_version=`$ESD_CONFIG $esd_config_args --version | \
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           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
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    if test "x$enable_esdtest" = "xyes" ; then
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      ac_save_CFLAGS="$CFLAGS"
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      ac_save_LIBS="$LIBS"
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      CFLAGS="$CFLAGS $ESD_CFLAGS"
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      LIBS="$LIBS $ESD_LIBS"
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dnl
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dnl Now check if the installed ESD is sufficiently new. (Also sanity
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dnl checks the results of esd-config to some extent
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dnl
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      rm -f conf.esdtest
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      AC_TRY_RUN([
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <esd.h>
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char*
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my_strdup (char *str)
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{
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  char *new_str;
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  if (str)
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    {
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      new_str = malloc ((strlen (str) + 1) * sizeof(char));
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      strcpy (new_str, str);
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    }
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  else
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    new_str = NULL;
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  return new_str;
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}
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int main ()
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{
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  int major, minor, micro;
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  char *tmp_version;
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  system ("touch conf.esdtest");
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  /* HP/UX 9 (%@#!) writes to sscanf strings */
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  tmp_version = my_strdup("$min_esd_version");
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  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
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     printf("%s, bad version string\n", "$min_esd_version");
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     exit(1);
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   }
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   if (($esd_major_version > major) ||
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      (($esd_major_version == major) && ($esd_minor_version > minor)) ||
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      (($esd_major_version == major) && ($esd_minor_version == minor) && ($esd_micro_version >= micro)))
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    {
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      return 0;
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    }
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  else
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    {
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      printf("\n*** 'esd-config --version' returned %d.%d.%d, but the minimum version\n", $esd_major_version, $esd_minor_version, $esd_micro_version);
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      printf("*** of ESD required is %d.%d.%d. If esd-config is correct, then it is\n", major, minor, micro);
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      printf("*** best to upgrade to the required version.\n");
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      printf("*** If esd-config was wrong, set the environment variable ESD_CONFIG\n");
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      printf("*** to point to the correct copy of esd-config, and remove the file\n");
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      printf("*** config.cache before re-running configure\n");
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      return 1;
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    }
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}
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],, no_esd=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
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       CFLAGS="$ac_save_CFLAGS"
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       LIBS="$ac_save_LIBS"
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     fi
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  fi
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  if test "x$no_esd" = x ; then
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     AC_MSG_RESULT(yes)
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     ifelse([$2], , :, [$2])     
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  else
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     AC_MSG_RESULT(no)
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     if test "$ESD_CONFIG" = "no" ; then
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       echo "*** The esd-config script installed by ESD could not be found"
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       echo "*** If ESD was installed in PREFIX, make sure PREFIX/bin is in"
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       echo "*** your path, or set the ESD_CONFIG environment variable to the"
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       echo "*** full path to esd-config."
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     else
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       if test -f conf.esdtest ; then
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        :
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       else
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          echo "*** Could not run ESD test program, checking why..."
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          CFLAGS="$CFLAGS $ESD_CFLAGS"
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          LIBS="$LIBS $ESD_LIBS"
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          AC_TRY_LINK([
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#include <stdio.h>
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#include <esd.h>
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],      [ return 0; ],
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        [ echo "*** The test program compiled, but did not run. This usually means"
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          echo "*** that the run-time linker is not finding ESD or finding the wrong"
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          echo "*** version of ESD. If it is not finding ESD, you'll need to set your"
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          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
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          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
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          echo "*** is required on your system"
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	  echo "***"
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          echo "*** If you have an old version installed, it is best to remove it, although"
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          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
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        [ echo "*** The test program failed to compile or link. See the file config.log for the"
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          echo "*** exact error that occured. This usually means ESD was incorrectly installed"
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          echo "*** or that you have moved ESD since it was installed. In the latter case, you"
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          echo "*** may want to edit the esd-config script: $ESD_CONFIG" ])
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          CFLAGS="$ac_save_CFLAGS"
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          LIBS="$ac_save_LIBS"
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       fi
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     fi
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     ESD_CFLAGS=""
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     ESD_LIBS=""
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     ifelse([$3], , :, [$3])
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  fi
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  AC_SUBST(ESD_CFLAGS)
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  AC_SUBST(ESD_LIBS)
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  rm -f conf.esdtest
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])
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## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
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## Copyright (C) 1996-1999, 2000 Free Software Foundation, Inc.
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## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; either version 2 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful, but
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## WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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## General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, write to the Free Software
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## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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##
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## As a special exception to the GNU General Public License, if you
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## distribute this file as part of a program that contains a
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## configuration script generated by Autoconf, you may include it under
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## the same distribution terms that you use for the rest of that program.
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# serial 40 AC_PROG_LIBTOOL
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AC_DEFUN(AC_PROG_LIBTOOL,
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[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
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# Save cache, so that ltconfig can load it
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AC_CACHE_SAVE
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# Actually configure libtool.  ac_aux_dir is where install-sh is found.
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CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
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LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
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LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
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DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
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${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
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$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \
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|| AC_MSG_ERROR([libtool configure failed])
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# Reload cache, that may have been modified by ltconfig
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AC_CACHE_LOAD
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# This can be used to rebuild libtool when needed
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LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
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# Always use our own libtool.
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LIBTOOL='$(SHELL) $(top_builddir)/libtool'
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AC_SUBST(LIBTOOL)dnl
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# Redirect the config.log output again, so that the ltconfig log is not
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# clobbered by the next message.
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exec 5>>./config.log
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])
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AC_DEFUN(AC_LIBTOOL_SETUP,
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[AC_PREREQ(2.13)dnl
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AC_REQUIRE([AC_ENABLE_SHARED])dnl
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AC_REQUIRE([AC_ENABLE_STATIC])dnl
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AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
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AC_REQUIRE([AC_CANONICAL_HOST])dnl
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AC_REQUIRE([AC_CANONICAL_BUILD])dnl
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AC_REQUIRE([AC_PROG_RANLIB])dnl
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AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([AC_PROG_LD])dnl
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AC_REQUIRE([AC_PROG_NM])dnl
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AC_REQUIRE([AC_PROG_LN_S])dnl
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dnl
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case "$target" in
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NONE) lt_target="$host" ;;
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*) lt_target="$target" ;;
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esac
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# Check for any special flags to pass to ltconfig.
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libtool_flags="--cache-file=$cache_file"
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test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
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test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
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test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
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test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
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test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
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ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
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[libtool_flags="$libtool_flags --enable-dlopen"])
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ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
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[libtool_flags="$libtool_flags --enable-win32-dll"])
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AC_ARG_ENABLE(libtool-lock,
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  [  --disable-libtool-lock  avoid locking (might break parallel builds)])
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test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
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test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
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# Some flags need to be propagated to the compiler or linker for good
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# libtool support.
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case "$lt_target" in
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*-*-irix6*)
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  # Find out which ABI we are using.
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  echo '[#]line __oline__ "configure"' > conftest.$ac_ext
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  if AC_TRY_EVAL(ac_compile); then
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    case "`/usr/bin/file conftest.o`" in
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    *32-bit*)
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      LD="${LD-ld} -32"
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      ;;
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    *N32*)
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      LD="${LD-ld} -n32"
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      ;;
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    *64-bit*)
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      LD="${LD-ld} -64"
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      ;;
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    esac
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  fi
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  rm -rf conftest*
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  ;;
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*-*-sco3.2v5*)
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  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
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  SAVE_CFLAGS="$CFLAGS"
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  CFLAGS="$CFLAGS -belf"
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  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
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    [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
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  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
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    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
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    CFLAGS="$SAVE_CFLAGS"
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  fi
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  ;;
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ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
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[*-*-cygwin* | *-*-mingw*)
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  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
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  AC_CHECK_TOOL(AS, as, false)
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  AC_CHECK_TOOL(OBJDUMP, objdump, false)
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  ;;
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])
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esac
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])
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# AC_LIBTOOL_DLOPEN - enable checks for dlopen support
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AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
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# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
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AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
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# AC_ENABLE_SHARED - implement the --enable-shared flag
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# Usage: AC_ENABLE_SHARED[(DEFAULT)]
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#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
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#   `yes'.
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AC_DEFUN(AC_ENABLE_SHARED, [dnl
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define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
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AC_ARG_ENABLE(shared,
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   332
changequote(<<, >>)dnl
slouken@0
   333
<<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
slouken@0
   334
changequote([, ])dnl
slouken@0
   335
[p=${PACKAGE-default}
slouken@0
   336
case "$enableval" in
slouken@0
   337
yes) enable_shared=yes ;;
slouken@0
   338
no) enable_shared=no ;;
slouken@0
   339
*)
slouken@0
   340
  enable_shared=no
slouken@0
   341
  # Look at the argument we got.  We use all the common list separators.
slouken@0
   342
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
slouken@0
   343
  for pkg in $enableval; do
slouken@0
   344
    if test "X$pkg" = "X$p"; then
slouken@0
   345
      enable_shared=yes
slouken@0
   346
    fi
slouken@0
   347
  done
slouken@0
   348
  IFS="$ac_save_ifs"
slouken@0
   349
  ;;
slouken@0
   350
esac],
slouken@0
   351
enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
slouken@0
   352
])
slouken@0
   353
slouken@0
   354
# AC_DISABLE_SHARED - set the default shared flag to --disable-shared
slouken@0
   355
AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
slouken@0
   356
AC_ENABLE_SHARED(no)])
slouken@0
   357
slouken@0
   358
# AC_ENABLE_STATIC - implement the --enable-static flag
slouken@0
   359
# Usage: AC_ENABLE_STATIC[(DEFAULT)]
slouken@0
   360
#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
slouken@0
   361
#   `yes'.
slouken@0
   362
AC_DEFUN(AC_ENABLE_STATIC, [dnl
slouken@0
   363
define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
slouken@0
   364
AC_ARG_ENABLE(static,
slouken@0
   365
changequote(<<, >>)dnl
slouken@0
   366
<<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
slouken@0
   367
changequote([, ])dnl
slouken@0
   368
[p=${PACKAGE-default}
slouken@0
   369
case "$enableval" in
slouken@0
   370
yes) enable_static=yes ;;
slouken@0
   371
no) enable_static=no ;;
slouken@0
   372
*)
slouken@0
   373
  enable_static=no
slouken@0
   374
  # Look at the argument we got.  We use all the common list separators.
slouken@0
   375
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
slouken@0
   376
  for pkg in $enableval; do
slouken@0
   377
    if test "X$pkg" = "X$p"; then
slouken@0
   378
      enable_static=yes
slouken@0
   379
    fi
slouken@0
   380
  done
slouken@0
   381
  IFS="$ac_save_ifs"
slouken@0
   382
  ;;
slouken@0
   383
esac],
slouken@0
   384
enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
slouken@0
   385
])
slouken@0
   386
slouken@0
   387
# AC_DISABLE_STATIC - set the default static flag to --disable-static
slouken@0
   388
AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
slouken@0
   389
AC_ENABLE_STATIC(no)])
slouken@0
   390
slouken@0
   391
slouken@0
   392
# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
slouken@0
   393
# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
slouken@0
   394
#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
slouken@0
   395
#   `yes'.
slouken@0
   396
AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
slouken@0
   397
define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
slouken@0
   398
AC_ARG_ENABLE(fast-install,
slouken@0
   399
changequote(<<, >>)dnl
slouken@0
   400
<<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
slouken@0
   401
changequote([, ])dnl
slouken@0
   402
[p=${PACKAGE-default}
slouken@0
   403
case "$enableval" in
slouken@0
   404
yes) enable_fast_install=yes ;;
slouken@0
   405
no) enable_fast_install=no ;;
slouken@0
   406
*)
slouken@0
   407
  enable_fast_install=no
slouken@0
   408
  # Look at the argument we got.  We use all the common list separators.
slouken@0
   409
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
slouken@0
   410
  for pkg in $enableval; do
slouken@0
   411
    if test "X$pkg" = "X$p"; then
slouken@0
   412
      enable_fast_install=yes
slouken@0
   413
    fi
slouken@0
   414
  done
slouken@0
   415
  IFS="$ac_save_ifs"
slouken@0
   416
  ;;
slouken@0
   417
esac],
slouken@0
   418
enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
slouken@0
   419
])
slouken@0
   420
slouken@0
   421
# AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
slouken@0
   422
AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
slouken@0
   423
AC_ENABLE_FAST_INSTALL(no)])
slouken@0
   424
slouken@0
   425
# AC_PROG_LD - find the path to the GNU or non-GNU linker
slouken@0
   426
AC_DEFUN(AC_PROG_LD,
slouken@0
   427
[AC_ARG_WITH(gnu-ld,
slouken@0
   428
[  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
slouken@0
   429
test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
slouken@0
   430
AC_REQUIRE([AC_PROG_CC])dnl
slouken@0
   431
AC_REQUIRE([AC_CANONICAL_HOST])dnl
slouken@0
   432
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
slouken@0
   433
ac_prog=ld
slouken@0
   434
if test "$ac_cv_prog_gcc" = yes; then
slouken@0
   435
  # Check if gcc -print-prog-name=ld gives a path.
slouken@0
   436
  AC_MSG_CHECKING([for ld used by GCC])
slouken@1
   437
  DELCR='tr -d \015'
slouken@1
   438
  ac_prog=`($CC -print-prog-name=ld | $DELCR) 2>&5`
slouken@0
   439
  case "$ac_prog" in
slouken@0
   440
    # Accept absolute paths.
slouken@0
   441
changequote(,)dnl
slouken@0
   442
    [\\/]* | [A-Za-z]:[\\/]*)
slouken@0
   443
      re_direlt='/[^/][^/]*/\.\./'
slouken@0
   444
changequote([,])dnl
slouken@0
   445
      # Canonicalize the path of ld
slouken@0
   446
      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
slouken@0
   447
      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
slouken@0
   448
	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
slouken@0
   449
      done
slouken@0
   450
      test -z "$LD" && LD="$ac_prog"
slouken@0
   451
      ;;
slouken@0
   452
  "")
slouken@0
   453
    # If it fails, then pretend we aren't using GCC.
slouken@0
   454
    ac_prog=ld
slouken@0
   455
    ;;
slouken@0
   456
  *)
slouken@0
   457
    # If it is relative, then search for the first ld in PATH.
slouken@0
   458
    with_gnu_ld=unknown
slouken@0
   459
    ;;
slouken@0
   460
  esac
slouken@0
   461
elif test "$with_gnu_ld" = yes; then
slouken@0
   462
  AC_MSG_CHECKING([for GNU ld])
slouken@0
   463
else
slouken@0
   464
  AC_MSG_CHECKING([for non-GNU ld])
slouken@0
   465
fi
slouken@0
   466
AC_CACHE_VAL(ac_cv_path_LD,
slouken@0
   467
[if test -z "$LD"; then
slouken@0
   468
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
slouken@0
   469
  for ac_dir in $PATH; do
slouken@0
   470
    test -z "$ac_dir" && ac_dir=.
slouken@0
   471
    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
slouken@0
   472
      ac_cv_path_LD="$ac_dir/$ac_prog"
slouken@0
   473
      # Check to see if the program is GNU ld.  I'd rather use --version,
slouken@0
   474
      # but apparently some GNU ld's only accept -v.
slouken@0
   475
      # Break only if it was the GNU/non-GNU ld that we prefer.
slouken@0
   476
      if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
slouken@0
   477
	test "$with_gnu_ld" != no && break
slouken@0
   478
      else
slouken@0
   479
	test "$with_gnu_ld" != yes && break
slouken@0
   480
      fi
slouken@0
   481
    fi
slouken@0
   482
  done
slouken@0
   483
  IFS="$ac_save_ifs"
slouken@0
   484
else
slouken@0
   485
  ac_cv_path_LD="$LD" # Let the user override the test with a path.
slouken@0
   486
fi])
slouken@0
   487
LD="$ac_cv_path_LD"
slouken@0
   488
if test -n "$LD"; then
slouken@0
   489
  AC_MSG_RESULT($LD)
slouken@0
   490
else
slouken@0
   491
  AC_MSG_RESULT(no)
slouken@0
   492
fi
slouken@0
   493
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
slouken@0
   494
AC_PROG_LD_GNU
slouken@0
   495
])
slouken@0
   496
slouken@0
   497
AC_DEFUN(AC_PROG_LD_GNU,
slouken@0
   498
[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
slouken@0
   499
[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
slouken@0
   500
if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
slouken@0
   501
  ac_cv_prog_gnu_ld=yes
slouken@0
   502
else
slouken@0
   503
  ac_cv_prog_gnu_ld=no
slouken@0
   504
fi])
slouken@0
   505
])
slouken@0
   506
slouken@0
   507
# AC_PROG_NM - find the path to a BSD-compatible name lister
slouken@0
   508
AC_DEFUN(AC_PROG_NM,
slouken@0
   509
[AC_MSG_CHECKING([for BSD-compatible nm])
slouken@0
   510
AC_CACHE_VAL(ac_cv_path_NM,
slouken@0
   511
[if test -n "$NM"; then
slouken@0
   512
  # Let the user override the test.
slouken@0
   513
  ac_cv_path_NM="$NM"
slouken@0
   514
else
slouken@0
   515
  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
slouken@0
   516
  for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
slouken@0
   517
    test -z "$ac_dir" && ac_dir=.
slouken@0
   518
    if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
slouken@0
   519
      # Check to see if the nm accepts a BSD-compat flag.
slouken@0
   520
      # Adding the `sed 1q' prevents false positives on HP-UX, which says:
slouken@0
   521
      #   nm: unknown option "B" ignored
slouken@0
   522
      if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
slouken@0
   523
	ac_cv_path_NM="$ac_dir/nm -B"
slouken@0
   524
	break
slouken@0
   525
      elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
slouken@0
   526
	ac_cv_path_NM="$ac_dir/nm -p"
slouken@0
   527
	break
slouken@0
   528
      else
slouken@0
   529
	ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
slouken@0
   530
	continue # so that we can try to find one that supports BSD flags
slouken@0
   531
      fi
slouken@0
   532
    fi
slouken@0
   533
  done
slouken@0
   534
  IFS="$ac_save_ifs"
slouken@0
   535
  test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
slouken@0
   536
fi])
slouken@0
   537
NM="$ac_cv_path_NM"
slouken@0
   538
AC_MSG_RESULT([$NM])
slouken@0
   539
])
slouken@0
   540
slouken@0
   541
# AC_CHECK_LIBM - check for math library
slouken@0
   542
AC_DEFUN(AC_CHECK_LIBM,
slouken@0
   543
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
slouken@0
   544
LIBM=
slouken@0
   545
case "$lt_target" in
slouken@0
   546
*-*-beos* | *-*-cygwin*)
slouken@0
   547
  # These system don't have libm
slouken@0
   548
  ;;
slouken@0
   549
*-ncr-sysv4.3*)
slouken@0
   550
  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
slouken@0
   551
  AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
slouken@0
   552
  ;;
slouken@0
   553
*)
slouken@0
   554
  AC_CHECK_LIB(m, main, LIBM="-lm")
slouken@0
   555
  ;;
slouken@0
   556
esac
slouken@0
   557
])
slouken@0
   558
slouken@0
   559
# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
slouken@0
   560
# the libltdl convenience library and INCLTDL to the include flags for
slouken@0
   561
# the libltdl header and adds --enable-ltdl-convenience to the
slouken@0
   562
# configure arguments.  Note that LIBLTDL and INCLTDL are not
slouken@0
   563
# AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called.  If DIR is not
slouken@0
   564
# provided, it is assumed to be `libltdl'.  LIBLTDL will be prefixed
slouken@0
   565
# with '${top_builddir}/' and INCLTDL will be prefixed with
slouken@0
   566
# '${top_srcdir}/' (note the single quotes!).  If your package is not
slouken@0
   567
# flat and you're not using automake, define top_builddir and
slouken@0
   568
# top_srcdir appropriately in the Makefiles.
slouken@0
   569
AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
slouken@0
   570
  case "$enable_ltdl_convenience" in
slouken@0
   571
  no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
slouken@0
   572
  "") enable_ltdl_convenience=yes
slouken@0
   573
      ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
slouken@0
   574
  esac
slouken@0
   575
  LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
slouken@0
   576
  INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
slouken@0
   577
])
slouken@0
   578
slouken@0
   579
# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
slouken@0
   580
# the libltdl installable library and INCLTDL to the include flags for
slouken@0
   581
# the libltdl header and adds --enable-ltdl-install to the configure
slouken@0
   582
# arguments.  Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
slouken@0
   583
# AC_CONFIG_SUBDIRS called.  If DIR is not provided and an installed
slouken@0
   584
# libltdl is not found, it is assumed to be `libltdl'.  LIBLTDL will
slouken@0
   585
# be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
slouken@0
   586
# with '${top_srcdir}/' (note the single quotes!).  If your package is
slouken@0
   587
# not flat and you're not using automake, define top_builddir and
slouken@0
   588
# top_srcdir appropriately in the Makefiles.
slouken@0
   589
# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
slouken@0
   590
AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
slouken@0
   591
  AC_CHECK_LIB(ltdl, main,
slouken@0
   592
  [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
slouken@0
   593
  [if test x"$enable_ltdl_install" = xno; then
slouken@0
   594
     AC_MSG_WARN([libltdl not installed, but installation disabled])
slouken@0
   595
   else
slouken@0
   596
     enable_ltdl_install=yes
slouken@0
   597
   fi
slouken@0
   598
  ])
slouken@0
   599
  if test x"$enable_ltdl_install" = x"yes"; then
slouken@0
   600
    ac_configure_args="$ac_configure_args --enable-ltdl-install"
slouken@0
   601
    LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
slouken@0
   602
    INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
slouken@0
   603
  else
slouken@0
   604
    ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
slouken@0
   605
    LIBLTDL="-lltdl"
slouken@0
   606
    INCLTDL=
slouken@0
   607
  fi
slouken@0
   608
])
slouken@0
   609
slouken@0
   610
dnl old names
slouken@0
   611
AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
slouken@0
   612
AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
slouken@0
   613
AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
slouken@0
   614
AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
slouken@0
   615
AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
slouken@0
   616
AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
slouken@0
   617
AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
slouken@0
   618
slouken@0
   619
dnl This is just to silence aclocal about the macro not being used
slouken@0
   620
ifelse([AC_DISABLE_FAST_INSTALL])dnl