##############################################################################

dnl Configure Paths for Alsa

dnl Some modifications by Richard Boulton <richard-alsa@tartarus.org>

dnl Christopher Lansdown <lansdoct@cs.alfred.edu>

dnl Jaroslav Kysela <perex@suse.cz>

dnl Last modification: alsa.m4,v 1.23 2004/01/16 18:14:22 tiwai Exp

dnl AM_PATH_ALSA([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])

dnl Test for libasound, and define ALSA_CFLAGS and ALSA_LIBS as appropriate.

dnl enables arguments --with-alsa-prefix=

dnl                   --with-alsa-enc-prefix=

dnl                   --disable-alsatest

dnl

dnl For backwards compatibility, if ACTION_IF_NOT_FOUND is not specified,

dnl and the alsa libraries are not found, a fatal AC_MSG_ERROR() will result.

dnl

AC_DEFUN([AM_PATH_ALSA],

[dnl Save the original CFLAGS, LDFLAGS, and LIBS

alsa_save_CFLAGS="$CFLAGS"

alsa_save_LDFLAGS="$LDFLAGS"

alsa_save_LIBS="$LIBS"

alsa_found=yes

dnl

dnl Get the cflags and libraries for alsa

dnl

AC_ARG_WITH(alsa-prefix,

[  --with-alsa-prefix=PFX  Prefix where Alsa library is installed(optional)],

[alsa_prefix="$withval"], [alsa_prefix=""])

AC_ARG_WITH(alsa-inc-prefix,

[  --with-alsa-inc-prefix=PFX  Prefix where include libraries are (optional)],

[alsa_inc_prefix="$withval"], [alsa_inc_prefix=""])

dnl FIXME: this is not yet implemented

AC_ARG_ENABLE(alsatest,

[  --disable-alsatest      Do not try to compile and run a test Alsa program],

[enable_alsatest="$enableval"],

[enable_alsatest=yes])

dnl Add any special include directories

AC_MSG_CHECKING(for ALSA CFLAGS)

if test "$alsa_inc_prefix" != "" ; then

	ALSA_CFLAGS="$ALSA_CFLAGS -I$alsa_inc_prefix"

	CFLAGS="$CFLAGS -I$alsa_inc_prefix"

fi

AC_MSG_RESULT($ALSA_CFLAGS)

dnl add any special lib dirs

AC_MSG_CHECKING(for ALSA LDFLAGS)

if test "$alsa_prefix" != "" ; then

	ALSA_LIBS="$ALSA_LIBS -L$alsa_prefix"

	LDFLAGS="$LDFLAGS $ALSA_LIBS"

fi

dnl add the alsa library

ALSA_LIBS="$ALSA_LIBS -lasound -lm -ldl -lpthread"

LIBS=`echo $LIBS | sed 's/-lm//'`

LIBS=`echo $LIBS | sed 's/-ldl//'`

LIBS=`echo $LIBS | sed 's/-lpthread//'`

LIBS=`echo $LIBS | sed 's/  //'`

LIBS="$ALSA_LIBS $LIBS"

AC_MSG_RESULT($ALSA_LIBS)

dnl Check for a working version of libasound that is of the right version.

min_alsa_version=ifelse([$1], ,0.1.1,$1)

AC_MSG_CHECKING(for libasound headers version >= $min_alsa_version)

no_alsa=""

    alsa_min_major_version=`echo $min_alsa_version | \

           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`

    alsa_min_minor_version=`echo $min_alsa_version | \

           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`

    alsa_min_micro_version=`echo $min_alsa_version | \

           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`

AC_LANG_SAVE

AC_LANG_C

AC_TRY_COMPILE([

#include <alsa/asoundlib.h>

], [

/* ensure backward compatibility */

#if !defined(SND_LIB_MAJOR) && defined(SOUNDLIB_VERSION_MAJOR)

#define SND_LIB_MAJOR SOUNDLIB_VERSION_MAJOR

#endif

#if !defined(SND_LIB_MINOR) && defined(SOUNDLIB_VERSION_MINOR)

#define SND_LIB_MINOR SOUNDLIB_VERSION_MINOR

#endif

#if !defined(SND_LIB_SUBMINOR) && defined(SOUNDLIB_VERSION_SUBMINOR)

#define SND_LIB_SUBMINOR SOUNDLIB_VERSION_SUBMINOR

#endif

#  if(SND_LIB_MAJOR > $alsa_min_major_version)

  exit(0);

#  else

#    if(SND_LIB_MAJOR < $alsa_min_major_version)

#       error not present

#    endif

#   if(SND_LIB_MINOR > $alsa_min_minor_version)

  exit(0);

#   else

#     if(SND_LIB_MINOR < $alsa_min_minor_version)

#          error not present

#      endif

#      if(SND_LIB_SUBMINOR < $alsa_min_micro_version)

#        error not present

#      endif

#    endif

#  endif

exit(0);

],

  [AC_MSG_RESULT(found.)],

  [AC_MSG_RESULT(not present.)

   ifelse([$3], , [AC_MSG_ERROR(Sufficiently new version of libasound not found.)])

   alsa_found=no]

)

AC_LANG_RESTORE

dnl Now that we know that we have the right version, let's see if we have the library and not just the headers.

if test "x$enable_alsatest" = "xyes"; then

AC_CHECK_LIB([asound], [snd_ctl_open],,

	[ifelse([$3], , [AC_MSG_ERROR(No linkable libasound was found.)])

	 alsa_found=no]

)

fi

if test "x$alsa_found" = "xyes" ; then

   ifelse([$2], , :, [$2])

   LIBS=`echo $LIBS | sed 's/-lasound//g'`

   LIBS=`echo $LIBS | sed 's/  //'`

   LIBS="-lasound $LIBS"

fi

if test "x$alsa_found" = "xno" ; then

   ifelse([$3], , :, [$3])

   CFLAGS="$alsa_save_CFLAGS"

   LDFLAGS="$alsa_save_LDFLAGS"

   LIBS="$alsa_save_LIBS"

   ALSA_CFLAGS=""

   ALSA_LIBS=""

fi

dnl That should be it.  Now just export out symbols:

AC_SUBST(ALSA_CFLAGS)

AC_SUBST(ALSA_LIBS)

])

##############################################################################

#

# --- esd.m4 ---

#

# Configure paths for ESD

# Manish Singh    98-9-30

# stolen back from Frank Belew

# stolen from Manish Singh

# Shamelessly stolen from Owen Taylor

dnl AM_PATH_ESD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])

dnl Test for ESD, and define ESD_CFLAGS and ESD_LIBS

dnl

AC_DEFUN([AM_PATH_ESD],

[dnl 

dnl Get the cflags and libraries from the esd-config script

dnl

AC_ARG_WITH(esd-prefix,[  --with-esd-prefix=PFX   Prefix where ESD is installed (optional)],

            esd_prefix="$withval", esd_prefix="")

AC_ARG_WITH(esd-exec-prefix,[  --with-esd-exec-prefix=PFX Exec prefix where ESD is installed (optional)],

            esd_exec_prefix="$withval", esd_exec_prefix="")

AC_ARG_ENABLE(esdtest, [  --disable-esdtest       Do not try to compile and run a test ESD program],

		    , enable_esdtest=yes)

  if test x$esd_exec_prefix != x ; then

     esd_args="$esd_args --exec-prefix=$esd_exec_prefix"

     if test x${ESD_CONFIG+set} != xset ; then

        ESD_CONFIG=$esd_exec_prefix/bin/esd-config

     fi

  fi

  if test x$esd_prefix != x ; then

     esd_args="$esd_args --prefix=$esd_prefix"

     if test x${ESD_CONFIG+set} != xset ; then

        ESD_CONFIG=$esd_prefix/bin/esd-config

     fi

  fi

  AC_PATH_PROG(ESD_CONFIG, esd-config, no)

  min_esd_version=ifelse([$1], ,0.2.7,$1)

  AC_MSG_CHECKING(for ESD - version >= $min_esd_version)

  no_esd=""

  if test "$ESD_CONFIG" = "no" ; then

    no_esd=yes

  else

    ESD_CFLAGS=`$ESD_CONFIG $esdconf_args --cflags`

    ESD_LIBS=`$ESD_CONFIG $esdconf_args --libs`

    esd_major_version=`$ESD_CONFIG $esd_args --version | \

           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`

    esd_minor_version=`$ESD_CONFIG $esd_args --version | \

           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`

    esd_micro_version=`$ESD_CONFIG $esd_config_args --version | \

           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`

    if test "x$enable_esdtest" = "xyes" ; then

      ac_save_CFLAGS="$CFLAGS"

      ac_save_LIBS="$LIBS"

      CFLAGS="$CFLAGS $ESD_CFLAGS"

      LIBS="$LIBS $ESD_LIBS"

dnl

dnl Now check if the installed ESD is sufficiently new. (Also sanity

dnl checks the results of esd-config to some extent

dnl

      rm -f conf.esdtest

      AC_TRY_RUN([

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <esd.h>

char*

my_strdup (char *str)

{

  char *new_str;

  if (str)

    {

      new_str = malloc ((strlen (str) + 1) * sizeof(char));

      strcpy (new_str, str);

    }

  else

    new_str = NULL;

  return new_str;

}

int main ()

{

  int major, minor, micro;

  char *tmp_version;

  system ("touch conf.esdtest");

  /* HP/UX 9 (%@#!) writes to sscanf strings */

  tmp_version = my_strdup("$min_esd_version");

  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {

     printf("%s, bad version string\n", "$min_esd_version");

     exit(1);

   }

   if (($esd_major_version > major) ||

      (($esd_major_version == major) && ($esd_minor_version > minor)) ||

      (($esd_major_version == major) && ($esd_minor_version == minor) && ($esd_micro_version >= micro)))

    {

      return 0;

    }

  else

    {

      printf("\n*** 'esd-config --version' returned %d.%d.%d, but the minimum version\n", $esd_major_version, $esd_minor_version, $esd_micro_version);

      printf("*** of ESD required is %d.%d.%d. If esd-config is correct, then it is\n", major, minor, micro);

      printf("*** best to upgrade to the required version.\n");

      printf("*** If esd-config was wrong, set the environment variable ESD_CONFIG\n");

      printf("*** to point to the correct copy of esd-config, and remove the file\n");

      printf("*** config.cache before re-running configure\n");

      return 1;

    }

}

],, no_esd=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])

       CFLAGS="$ac_save_CFLAGS"

       LIBS="$ac_save_LIBS"

     fi

  fi

  if test "x$no_esd" = x ; then

     AC_MSG_RESULT(yes)

     ifelse([$2], , :, [$2])     

  else

     AC_MSG_RESULT(no)

     if test "$ESD_CONFIG" = "no" ; then

       echo "*** The esd-config script installed by ESD could not be found"

       echo "*** If ESD was installed in PREFIX, make sure PREFIX/bin is in"

       echo "*** your path, or set the ESD_CONFIG environment variable to the"

       echo "*** full path to esd-config."

     else

       if test -f conf.esdtest ; then

        :

       else

          echo "*** Could not run ESD test program, checking why..."

          CFLAGS="$CFLAGS $ESD_CFLAGS"

          LIBS="$LIBS $ESD_LIBS"

          AC_TRY_LINK([

#include <stdio.h>

#include <esd.h>

],      [ return 0; ],

        [ echo "*** The test program compiled, but did not run. This usually means"

          echo "*** that the run-time linker is not finding ESD or finding the wrong"

          echo "*** version of ESD. If it is not finding ESD, you'll need to set your"

          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"

          echo "*** to the installed location  Also, make sure you have run ldconfig if that"

          echo "*** is required on your system"

	  echo "***"

          echo "*** If you have an old version installed, it is best to remove it, although"

          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],

        [ echo "*** The test program failed to compile or link. See the file config.log for the"

          echo "*** exact error that occured. This usually means ESD was incorrectly installed"

          echo "*** or that you have moved ESD since it was installed. In the latter case, you"

          echo "*** may want to edit the esd-config script: $ESD_CONFIG" ])

          CFLAGS="$ac_save_CFLAGS"

          LIBS="$ac_save_LIBS"

       fi

     fi

     ESD_CFLAGS=""

     ESD_LIBS=""

     ifelse([$3], , :, [$3])

  fi

  AC_SUBST(ESD_CFLAGS)

  AC_SUBST(ESD_LIBS)

  rm -f conf.esdtest

])

##############################################################################

# Based on libtool-1.5.22

# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-

## Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005

## Free Software Foundation, Inc.

## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996

##

## This file is free software; the Free Software Foundation gives

## unlimited permission to copy and/or distribute it, with or without

## modifications, as long as this notice is preserved.

# serial 48 AC_PROG_LIBTOOL

# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)

# -----------------------------------------------------------

# If this macro is not defined by Autoconf, define it here.

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         [],

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	         [m4_ifdef([AC_PROVIDE_$1],

		           [$2], [$3])])])

# AC_PROG_LIBTOOL

# ---------------

AC_DEFUN([AC_PROG_LIBTOOL],

[AC_REQUIRE([_AC_PROG_LIBTOOL])dnl

dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX

dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.

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dnl And a similar setup for Fortran 77 support

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dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly.

dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run

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])])# AC_PROG_LIBTOOL

# _AC_PROG_LIBTOOL

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AC_DEFUN([_AC_PROG_LIBTOOL],

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AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl

AC_BEFORE([$0],[AC_LIBTOOL_F77])dnl

AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl

# This can be used to rebuild libtool when needed

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# Always use our own libtool.

LIBTOOL='$(SHELL) $(top_builddir)/libtool'

AC_SUBST(LIBTOOL)dnl

# Prevent multiple expansion

define([AC_PROG_LIBTOOL], [])

])# _AC_PROG_LIBTOOL

# AC_LIBTOOL_SETUP

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AC_REQUIRE([AC_ENABLE_SHARED])dnl

AC_REQUIRE([AC_ENABLE_STATIC])dnl

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AC_REQUIRE([AC_CANONICAL_HOST])dnl

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AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl

AC_REQUIRE([AC_PROG_NM])dnl

AC_REQUIRE([AC_PROG_LN_S])dnl

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AC_LIBTOOL_SYS_MAX_CMD_LEN

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AC_LIBTOOL_OBJDIR

AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl

_LT_AC_PROG_ECHO_BACKSLASH

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  fi

  ;;

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# metacharacters that are still active within double-quoted strings.

Xsed='sed -e 1s/^X//'

[sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g']

# Same as above, but do not quote variable references.

[double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g']

# Sed substitution to delay expansion of an escaped shell variable in a

# double_quote_subst'ed string.

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AC_CHECK_TOOL(RANLIB, ranlib, :)

AC_CHECK_TOOL(STRIP, strip, :)

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test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS

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test -z "$LD" && LD=ld

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  *)

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    ;;

  esac

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fi

_LT_CC_BASENAME([$compiler])

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file_magic*)

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AC_ARG_ENABLE([libtool-lock],

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AC_ARG_WITH([pic],

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])# AC_LIBTOOL_SETUP

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# -------------------

AC_DEFUN([_LT_AC_SYS_COMPILER],

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# Allow CC to be a program name with arguments.

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AC_DEFUN([_LT_CC_BASENAME],

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    \-*) ;;

    *) break;;

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cc_basename=`$echo "X$cc_temp" | $Xsed -e 's%.*/%%' -e "s%^$host_alias-%%"`

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# ------------------------

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AC_DEFUN([_LT_COMPILER_BOILERPLATE],

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printf "$lt_simple_compile_test_code" >conftest.$ac_ext

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_lt_compiler_boilerplate=`cat conftest.err`

$rm conftest*

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# ----------------------

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AC_DEFUN([_LT_LINKER_BOILERPLATE],

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printf "$lt_simple_link_test_code" >conftest.$ac_ext

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$rm conftest*

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# _LT_AC_SYS_LIBPATH_AIX

# ----------------------

# Links a minimal program and checks the executable

# for the system default hardcoded library path. In most cases,

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}'`

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# ----------------------

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$1

AC_DIVERT_POP

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# _LT_AC_PROG_ECHO_BACKSLASH

# --------------------------

# Add some code to the start of the generated configure script which

# will find an echo command which doesn't interpret backslashes.

AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH],

[_LT_AC_SHELL_INIT([

# Check that we are running under the correct shell.

SHELL=${CONFIG_SHELL-/bin/sh}

case X$ECHO in

X*--fallback-echo)

  # Remove one level of quotation (which was required for Make).

  ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','`

  ;;

esac

echo=${ECHO-echo}

if test "X[$]1" = X--no-reexec; then

  # Discard the --no-reexec flag, and continue.

  shift

elif test "X[$]1" = X--fallback-echo; then

  # Avoid inline document here, it may be left over

  :

elif test "X`($echo '\t') 2>/dev/null`" = 'X\t' ; then

  # Yippee, $echo works!

  :

else

  # Restart under the correct shell.

  exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}

fi

if test "X[$]1" = X--fallback-echo; then

  # used as fallback echo

  shift

  cat <<EOF

[$]*

EOF

  exit 0

fi

# The HP-UX ksh and POSIX shell print the target directory to stdout

# if CDPATH is set.

(unset CDPATH) >/dev/null 2>&1 && unset CDPATH

if test -z "$ECHO"; then

if test "X${echo_test_string+set}" != Xset; then

# find a string as large as possible, as long as the shell can cope with it

  for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do

    # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...

    if (echo_test_string=`eval $cmd`) 2>/dev/null &&

       echo_test_string=`eval $cmd` &&

       (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null

    then

      break

    fi

  done

fi

if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&

   echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&

   test "X$echo_testing_string" = "X$echo_test_string"; then

  :

else

  # The Solaris, AIX, and Digital Unix default echo programs unquote

  # backslashes.  This makes it impossible to quote backslashes using

  #   echo "$something" | sed 's/\\/\\\\/g'

  #

  # So, first we look for a working echo in the user's PATH.

  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR

  for dir in $PATH /usr/ucb; do

    IFS="$lt_save_ifs"

    if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&

       test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&

       echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&

       test "X$echo_testing_string" = "X$echo_test_string"; then

      echo="$dir/echo"

      break

    fi

  done

  IFS="$lt_save_ifs"

  if test "X$echo" = Xecho; then

    # We didn't find a better echo, so look for alternatives.

    if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&

       echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&

       test "X$echo_testing_string" = "X$echo_test_string"; then

      # This shell has a builtin print -r that does the trick.

      echo='print -r'

    elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&

	 test "X$CONFIG_SHELL" != X/bin/ksh; then

      # If we have ksh, try running configure again with it.

      ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}

      export ORIGINAL_CONFIG_SHELL

      CONFIG_SHELL=/bin/ksh

      export CONFIG_SHELL

      exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}

    else

      # Try using printf.

      echo='printf %s\n'

      if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&

	 echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&

	 test "X$echo_testing_string" = "X$echo_test_string"; then

	# Cool, printf works

	:

      elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&

	   test "X$echo_testing_string" = 'X\t' &&

	   echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&

	   test "X$echo_testing_string" = "X$echo_test_string"; then

	CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL

	export CONFIG_SHELL

	SHELL="$CONFIG_SHELL"

	export SHELL

	echo="$CONFIG_SHELL [$]0 --fallback-echo"

      elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&

	   test "X$echo_testing_string" = 'X\t' &&

	   echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&

	   test "X$echo_testing_string" = "X$echo_test_string"; then

	echo="$CONFIG_SHELL [$]0 --fallback-echo"

      else

	# maybe with a smaller string...

	prev=:

	for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do

	  if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null

	  then

	    break

	  fi

	  prev="$cmd"

	done

	if test "$prev" != 'sed 50q "[$]0"'; then

	  echo_test_string=`eval $prev`

	  export echo_test_string

	  exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}

	else

	  # Oops.  We lost completely, so just stick with echo.

	  echo=echo

	fi

      fi

    fi

  fi

fi

fi

# Copy echo and quote the copy suitably for passing to libtool from

# the Makefile, instead of quoting the original, which is used later.

ECHO=$echo

if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then

   ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"

fi

AC_SUBST(ECHO)

])])# _LT_AC_PROG_ECHO_BACKSLASH

# _LT_AC_LOCK

# -----------

AC_DEFUN([_LT_AC_LOCK],

[AC_ARG_ENABLE([libtool-lock],

    [AC_HELP_STRING([--disable-libtool-lock],

	[avoid locking (might break parallel builds)])])

test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes

# Some flags need to be propagated to the compiler or linker for good

# libtool support.

case $host in

ia64-*-hpux*)

  # Find out which ABI we are using.

  echo 'int i;' > conftest.$ac_ext

  if AC_TRY_EVAL(ac_compile); then

    case `/usr/bin/file conftest.$ac_objext` in

    *ELF-32*)

      HPUX_IA64_MODE="32"

      ;;

    *ELF-64*)

      HPUX_IA64_MODE="64"

      ;;

    esac

  fi

  rm -rf conftest*

  ;;

*-*-irix6*)

  # Find out which ABI we are using.

  echo '[#]line __oline__ "configure"' > conftest.$ac_ext

  if AC_TRY_EVAL(ac_compile); then

   if test "$lt_cv_prog_gnu_ld" = yes; then

    case `/usr/bin/file conftest.$ac_objext` in

    *32-bit*)

      LD="${LD-ld} -melf32bsmip"

      ;;

    *N32*)

      LD="${LD-ld} -melf32bmipn32"

      ;;

    *64-bit*)

      LD="${LD-ld} -melf64bmip"

      ;;

    esac

   else

    case `/usr/bin/file conftest.$ac_objext` in

    *32-bit*)

      LD="${LD-ld} -32"

      ;;

    *N32*)

      LD="${LD-ld} -n32"

      ;;

    *64-bit*)

      LD="${LD-ld} -64"

      ;;

    esac

   fi

  fi

  rm -rf conftest*

  ;;

x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*|s390*-*linux*|sparc*-*linux*)

  # Find out which ABI we are using.

  echo 'int i;' > conftest.$ac_ext

  if AC_TRY_EVAL(ac_compile); then

    case `/usr/bin/file conftest.o` in

    *32-bit*)

      case $host in

        x86_64-*linux*)

          LD="${LD-ld} -m elf_i386"

          ;;

        ppc64-*linux*|powerpc64-*linux*)

          LD="${LD-ld} -m elf32ppclinux"

          ;;

        s390x-*linux*)

          LD="${LD-ld} -m elf_s390"

          ;;

        sparc64-*linux*)

          LD="${LD-ld} -m elf32_sparc"

          ;;

      esac

      ;;

    *64-bit*)

      case $host in

        x86_64-*linux*)

          LD="${LD-ld} -m elf_x86_64"

          ;;

        ppc*-*linux*|powerpc*-*linux*)

          LD="${LD-ld} -m elf64ppc"

          ;;

        s390*-*linux*)

          LD="${LD-ld} -m elf64_s390"

          ;;

        sparc*-*linux*)

          LD="${LD-ld} -m elf64_sparc"

          ;;

      esac

      ;;

    esac

  fi

  rm -rf conftest*

  ;;

*-*-sco3.2v5*)

  # On SCO OpenServer 5, we need -belf to get full-featured binaries.

  SAVE_CFLAGS="$CFLAGS"

  CFLAGS="$CFLAGS -belf"

  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,

    [AC_LANG_PUSH(C)

     AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])

     AC_LANG_POP])

  if test x"$lt_cv_cc_needs_belf" != x"yes"; then

    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf

    CFLAGS="$SAVE_CFLAGS"

  fi

  ;;

sparc*-*solaris*)

  # Find out which ABI we are using.

  echo 'int i;' > conftest.$ac_ext

  if AC_TRY_EVAL(ac_compile); then

    case `/usr/bin/file conftest.o` in

    *64-bit*)

      case $lt_cv_prog_gnu_ld in

      yes*) LD="${LD-ld} -m elf64_sparc" ;;

      *)    LD="${LD-ld} -64" ;;

      esac

      ;;

    esac

  fi

  rm -rf conftest*

  ;;

AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],

[*-*-cygwin* | *-*-mingw* | *-*-pw32*)

  AC_CHECK_TOOL(DLLTOOL, dlltool, false)

  AC_CHECK_TOOL(AS, as, false)

  AC_CHECK_TOOL(OBJDUMP, objdump, false)

  ;;

  ])

esac

need_locks="$enable_libtool_lock"

])# _LT_AC_LOCK

# AC_LIBTOOL_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,

#		[OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])

# ----------------------------------------------------------------

# Check whether the given compiler option works

AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION],

[AC_REQUIRE([LT_AC_PROG_SED])

AC_CACHE_CHECK([$1], [$2],

  [$2=no

  ifelse([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])

   printf "$lt_simple_compile_test_code" > conftest.$ac_ext

   lt_compiler_flag="$3"

   # Insert the option either (1) after the last *FLAGS variable, or

   # (2) before a word containing "conftest.", or (3) at the end.

   # Note that $ac_compile itself does not contain backslashes and begins

   # with a dollar sign (not a hyphen), so the echo should work correctly.

   # The option is referenced via a variable to avoid confusing sed.

   lt_compile=`echo "$ac_compile" | $SED \

   -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \

   -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \

   -e 's:$: $lt_compiler_flag:'`

   (eval echo "\"\$as_me:__oline__: $lt_compile\"" >&AS_MESSAGE_LOG_FD)

   (eval "$lt_compile" 2>conftest.err)

   ac_status=$?

   cat conftest.err >&AS_MESSAGE_LOG_FD

   echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD

   if (exit $ac_status) && test -s "$ac_outfile"; then

     # The compiler can only warn and ignore the option if not recognized

     # So say no if there are warnings other than the usual output.

     $echo "X$_lt_compiler_boilerplate" | $Xsed -e '/^$/d' >conftest.exp

     $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2

     if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then

       $2=yes

     fi

   fi

   $rm conftest*

])

if test x"[$]$2" = xyes; then

    ifelse([$5], , :, [$5])

else

    ifelse([$6], , :, [$6])

fi

])# AC_LIBTOOL_COMPILER_OPTION

# AC_LIBTOOL_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,

#                          [ACTION-SUCCESS], [ACTION-FAILURE])

# ------------------------------------------------------------

# Check whether the given compiler option works

AC_DEFUN([AC_LIBTOOL_LINKER_OPTION],

[AC_CACHE_CHECK([$1], [$2],

  [$2=no

   save_LDFLAGS="$LDFLAGS"

   LDFLAGS="$LDFLAGS $3"

   printf "$lt_simple_link_test_code" > conftest.$ac_ext

   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then

     # The linker can only warn and ignore the option if not recognized

     # So say no if there are warnings

     if test -s conftest.err; then

       # Append any errors to the config.log.

       cat conftest.err 1>&AS_MESSAGE_LOG_FD

       $echo "X$_lt_linker_boilerplate" | $Xsed -e '/^$/d' > conftest.exp

       $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2

       if diff conftest.exp conftest.er2 >/dev/null; then

         $2=yes

       fi