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thodg/libiconv/autoconf/aclocal.m4

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  • Author : Bruno Haible
    Date : 2001-03-19 19:46:39
    Hash : ca236e3d
    Message : Regenerated.

  • autoconf/aclocal.m4
  • dnl local autoconf macros
    dnl Bruno Haible 2001-02-04
    dnl Marcus Daniels 1997-04-10
    dnl
    AC_PREREQ(2.12)dnl
    dnl
    dnl without AC_MSG_...:   with AC_MSG_... and caching:
    dnl   AC_TRY_CPP          CL_CPP_CHECK
    dnl   AC_TRY_COMPILE      CL_COMPILE_CHECK
    dnl   AC_TRY_LINK         CL_LINK_CHECK
    dnl   AC_TRY_RUN          CL_RUN_CHECK - would require cross-compiling support
    dnl Usage:
    dnl AC_TRY_CPP(INCLUDES,
    dnl            ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
    dnl CL_CPP_CHECK(ECHO-TEXT, CACHE-ID,
    dnl              INCLUDES,
    dnl              ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
    dnl AC_TRY_xxx(INCLUDES, FUNCTION-BODY,
    dnl            ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
    dnl CL_xxx_CHECK(ECHO-TEXT, CACHE-ID,
    dnl              INCLUDES, FUNCTION-BODY,
    dnl              ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
    dnl
    define(CL_CPP_CHECK,
    [AC_MSG_CHECKING(for $1)
    AC_CACHE_VAL($2,[
    AC_TRY_CPP([$3], $2=yes, $2=no)
    ])
    AC_MSG_RESULT([$]$2)
    if test [$]$2 = yes; then
      ifelse([$4], , :, [$4])
    ifelse([$5], , , [else
      $5
    ])dnl
    fi
    ])dnl
    dnl
    define(CL_COMPILE_CHECK,
    [AC_MSG_CHECKING(for $1)
    AC_CACHE_VAL($2,[
    AC_TRY_COMPILE([$3],[$4], $2=yes, $2=no)
    ])
    AC_MSG_RESULT([$]$2)
    if test [$]$2 = yes; then
      ifelse([$5], , :, [$5])
    ifelse([$6], , , [else
      $6
    ])dnl
    fi
    ])dnl
    dnl
    define(CL_LINK_CHECK,
    [AC_MSG_CHECKING(for $1)
    AC_CACHE_VAL($2,[
    AC_TRY_LINK([$3],[$4], $2=yes, $2=no)
    ])
    AC_MSG_RESULT([$]$2)
    if test [$]$2 = yes; then
      ifelse([$5], , :, [$5])
    ifelse([$6], , , [else
      $6
    ])dnl
    fi
    ])dnl
    dnl
    dnl CL_PROTO(IDENTIFIER, ACTION-IF-NOT-FOUND, FINAL-PROTOTYPE)
    define(CL_PROTO,
    [AC_MSG_CHECKING([for $1 declaration])
    AC_CACHE_VAL(cl_cv_proto_[$1], [$2
    cl_cv_proto_$1="$3"])
    cl_cv_proto_$1=`echo "[$]cl_cv_proto_$1" | tr -s ' ' | sed -e 's/( /(/'`
    AC_MSG_RESULTPROTO([$]cl_cv_proto_$1)
    ])dnl
    dnl
    dnl CL_PROTO_RET(INCLUDES, DECL, CACHE-ID, TYPE-IF-OK, TYPE-IF-FAILS)
    define(CL_PROTO_RET,
    [AC_TRY_COMPILE([$1]
    AC_LANG_EXTERN[$2
    ], [], $3="$4", $3="$5")
    ])dnl
    dnl
    dnl CL_PROTO_TRY(INCLUDES, ANSI-DECL, TRAD-DECL, ACTION-IF-OK, ACTION-IF-FAILS)
    define(CL_PROTO_TRY,
    [AC_TRY_COMPILE([$1]
    AC_LANG_EXTERN
    [#if defined(__STDC__) || defined(__cplusplus)
    $2
    #else
    $3
    #endif
    ], [], [$4], [$5])
    ])dnl
    dnl
    dnl CL_PROTO_CONST(INCLUDES, ANSI-DECL, TRAD-DECL, CACHE-ID)
    define(CL_PROTO_CONST,
    [CL_PROTO_TRY([$1], [$2], [$3], $4="", $4="const")]
    )dnl
    dnl
    dnl CL_SILENT(ACTION)
    dnl performs ACTION, with AC_MSG_CHECKING and AC_MSG_RESULT being defined away.
    define(CL_SILENT,
    [pushdef([AC_MSG_CHECKING],[:])dnl
    pushdef([AC_CHECKING],[:])dnl
    pushdef([AC_MSG_RESULT],[:])dnl
    pushdef([AC_MSG_RESULTPROTO],[:])dnl
    $1[]dnl
    popdef([AC_MSG_RESULTPROTO])dnl
    popdef([AC_MSG_RESULT])dnl
    popdef([AC_CHECKING])dnl
    popdef([AC_MSG_CHECKING])dnl
    ])dnl
    dnl
    AC_DEFUN(CL_PROG_RANLIB, [AC_CHECK_PROG(RANLIB, ranlib, ranlib, true)])dnl
    dnl
    AC_DEFUN(CL_PROG_INSTALL,
    [dnl This is mostly copied from AC_PROG_INSTALL.
    # Find a good install program.  We prefer a C program (faster),
    # so one script is as good as another.  But avoid the broken or
    # incompatible versions:
    # SysV /etc/install, /usr/sbin/install
    # SunOS /usr/etc/install
    # IRIX /sbin/install
    # AIX /bin/install
    # AFS /usr/afsws/bin/install, which mishandles nonexistent args
    # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
    # ./install, which can be erroneously created by make from ./install.sh.
    AC_MSG_CHECKING(for a BSD compatible install)
    if test -z "$INSTALL"; then
    AC_CACHE_VAL(cl_cv_path_install,
    [  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
      for ac_dir in $PATH; do
        # Account for people who put trailing slashes in PATH elements.
        case "$ac_dir/" in
        /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
        *)
          # OSF1 and SCO ODT 3.0 have their own names for install.
          for ac_prog in ginstall installbsd scoinst install; do
            if test -f $ac_dir/$ac_prog; then
    	  if test $ac_prog = install &&
                grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
    	    # AIX install.  It has an incompatible calling convention.
    	    # OSF/1 installbsd also uses dspmsg, but is usable.
    	    :
    	  else
    	    if test $ac_prog = installbsd &&
    	      grep src/bos $ac_dir/$ac_prog >/dev/null 2>&1; then
    	      # AIX installbsd doesn't work without option "-g".
    	      :
    	    else
    	      cl_cv_path_install="$ac_dir/$ac_prog -c"
    	      break 2
    	    fi
    	  fi
    	fi
          done
          ;;
        esac
      done
      IFS="$ac_save_ifs"
      # As a last resort, use cp.
      test -z "$cl_cv_path_install" && cl_cv_path_install="cp"
    ])dnl
      INSTALL="$cl_cv_path_install"
    fi
    dnl We do special magic for INSTALL instead of AC_SUBST, to get
    dnl relative paths right. 
    AC_MSG_RESULT($INSTALL)
    AC_SUBST(INSTALL)dnl
    # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
    # It thinks the first close brace ends the variable substitution.
    test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='$(INSTALL)'
    AC_SUBST(INSTALL_PROGRAM)dnl
    if test -z "$INSTALL_DATA"; then
      case "$INSTALL" in
        cp | */cp ) INSTALL_DATA='$(INSTALL)' ;;
        * )         INSTALL_DATA='$(INSTALL) -m 644' ;;
      esac
    fi
    AC_SUBST(INSTALL_DATA)dnl
    ])dnl
    dnl
    AC_DEFUN(CL_PROG_CP,
    [AC_CACHE_CHECK(how to copy files, cl_cv_prog_cp, [
    echo "blabla" > conftest.x
    err=`/bin/sh -c "cp -p conftest.x conftest.y 2>&1"`
    if test -z "$err"; then
      cl_cv_prog_cp='cp -p'
    else
      cl_cv_prog_cp='cp'
    fi
    rm -f conftest*
    ])
    CP="$cl_cv_prog_cp"
    AC_SUBST(CP)dnl
    ])dnl
    dnl
    AC_DEFUN(CL_PROG_LN,
    [AC_REQUIRE([CL_PROG_CP])dnl
    AC_CACHE_CHECK(how to make hard links, cl_cv_prog_LN, [
    rm -f conftestdata conftestfile
    echo data > conftestfile
    if ln conftestfile conftestdata 2>/dev/null; then
      cl_cv_prog_LN=ln
    else
      cl_cv_prog_LN="$cl_cv_prog_cp"
    fi
    rm -f conftestdata conftestfile
    ])
    LN="$cl_cv_prog_LN"
    AC_SUBST(LN)dnl
    ])dnl
    dnl
    AC_DEFUN(CL_PROG_LN_S,
    [AC_REQUIRE([CL_PROG_LN])dnl
    dnl Make a symlink if possible; otherwise try a hard link. On filesystems
    dnl which support neither symlink nor hard link, use a plain copy.
    AC_MSG_CHECKING(whether ln -s works)
    AC_CACHE_VAL(cl_cv_prog_LN_S, [
    rm -f conftestdata
    if ln -s X conftestdata 2>/dev/null; then
      cl_cv_prog_LN_S="ln -s"
    else
      cl_cv_prog_LN_S="$cl_cv_prog_LN"
    fi
    rm -f conftestdata
    ])dnl
    if test "$cl_cv_prog_LN_S" = "ln -s"; then
      AC_MSG_RESULT(yes)
    else
      AC_MSG_RESULT(no)
    fi
    LN_S="$cl_cv_prog_LN_S"
    AC_SUBST(LN_S)dnl
    ])dnl
    dnl
    AC_DEFUN(CL_CANONICAL_HOST,
    [AC_REQUIRE([AC_PROG_CC]) dnl Actually: AC_REQUIRE([CL_CC_WORKS])
    dnl Set ac_aux_dir before the cache check, because AM_PROG_LIBTOOL needs it.
    ac_aux_dir=${srcdir}/$1
    dnl A substitute for AC_CONFIG_AUX_DIR_DEFAULT, so we don't need install.sh.
    ac_config_guess=$ac_aux_dir/config.guess
    ac_config_sub=$ac_aux_dir/config.sub
    AC_CACHE_CHECK(host system type, cl_cv_host, [
    dnl Mostly copied from AC_CANONICAL_HOST.
    # Make sure we can run config.sub.
    if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
    else AC_MSG_ERROR(can not run $ac_config_sub)
    fi
    host_alias=$host
    case "$host_alias" in
    NONE)
      case $nonopt in
      NONE) dnl config.guess needs to compile things
            host_alias=`export CC; ${CONFIG_SHELL-/bin/sh} $ac_config_guess` ;;
      *)    host_alias=$nonopt ;;
      esac ;;
    esac
    # Don't fail just because the system is not listed in GNU's database.
    if test -n "$host_alias"; then
      host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
    else
      host_alias=unknown
      host=unknown-unknown-unknown
    fi
    cl_cv_host_alias="$host_alias"
    cl_cv_host="$host"
    ])
    host_alias="$cl_cv_host_alias"
    host="$cl_cv_host"
    changequote(,)dnl
    host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
    host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
    host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
    changequote([,])dnl
    AC_SUBST(host)dnl
    AC_SUBST(host_cpu)dnl
    AC_SUBST(host_vendor)dnl
    AC_SUBST(host_os)dnl
    dnl We have defined $ac_aux_dir.
    AC_PROVIDE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
    dnl We have defined $host_alias and $host.
    AC_PROVIDE([AC_CANONICAL_HOST])dnl
    ])dnl
    dnl
    AC_DEFUN(CL_ICONV,
    [dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
    dnl those with the standalone libiconv installed).
    AC_CACHE_CHECK(for iconv, cl_cv_func_iconv, [
    cl_cv_func_iconv=no
    cl_cv_lib_iconv=no
    AC_TRY_LINK([#include <stdlib.h>
    #include <iconv.h>],
    [iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);],
    cl_cv_func_iconv=yes)
    if test "$cl_cv_func_iconv" = no; then
    cl_save_LIBS="$LIBS"
    LIBS="$LIBS -liconv"
    AC_TRY_LINK([#include <stdlib.h>
    #include <iconv.h>],
    [iconv_t cd = iconv_open("",""); iconv(cd,NULL,NULL,NULL,NULL); iconv_close(cd);],
    cl_cv_lib_iconv=yes
    cl_cv_func_iconv=yes)
    LIBS="$cl_save_LIBS"
    fi
    ])
    if test "$cl_cv_func_iconv" = yes; then
      AC_DEFINE(HAVE_ICONV)
    CL_PROTO([iconv], [
    CL_PROTO_CONST([
    #include <stdlib.h>
    #ifdef HAVE_UNISTD_H
    #include <unistd.h>
    #endif
    #include <sys/types.h>
    #include <iconv.h>
    ], [size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t* outbytesleft);],
    [size_t iconv();],
    cl_cv_proto_iconv_arg1)],
    [extern size_t iconv (iconv_t cd, $cl_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t* outbytesleft);])
    AC_DEFINE_UNQUOTED(ICONV_CONST,$cl_cv_proto_iconv_arg1)
    fi
    LIBICONV=
    if test "$cl_cv_lib_iconv" = yes; then
      LIBICONV="-liconv"
    fi
    AC_SUBST(LIBICONV)
    ])dnl
    dnl
    AC_DEFUN(CL_WORDS_LITTLEENDIAN,
    [AC_CACHE_CHECK(byte ordering, cl_cv_sys_endian, [
    AC_TRY_RUN([int main () {
      /* Are we little or big endian?  From Harbison&Steele.  */
      union
      {
        long l;
        char c[sizeof (long)];
      } u;
      u.l = 1;
      exit (u.c[0] == 1);
    }],
    cl_cv_sys_endian="big endian",
    cl_cv_sys_endian="little endian",
    : # must guess the endianness
    )
    if test -z "$cl_cv_sys_endian"; then
    AC_EGREP_CPP(yes,[#if defined(m68k) || defined(__m68k__) || defined(mc68000) || defined(mc68020) || defined(__mc68020__) || defined(sparc) || defined(__sparc__) || defined(MIPSEB) || defined(__MIPSEB__) || defined(hppa) || defined(__hppa) || defined(m88000) || defined(__m88k__)
      yes
    #endif
    ], cl_cv_sys_endian="big endian")
    fi
    if test -z "$cl_cv_sys_endian"; then
    AC_EGREP_CPP(yes,[#if defined(i386) || defined(__i386) || defined(__i386__) || defined(_I386) || defined(MIPSEL) || defined(__MIPSEL__) || defined(__alpha)
      yes
    #endif
    ], cl_cv_sys_endian="little endian")
    fi
    if test -z "$cl_cv_sys_endian"; then
    cl_cv_sys_endian="guessing little endian"
    fi
    ])
    case "$cl_cv_sys_endian" in
      *little*) AC_DEFINE(WORDS_LITTLEENDIAN) ;;
      *big*)    ;;
    esac
    ])dnl
    dnl
    ## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
    ## Copyright (C) 1996-1999, 2000 Free Software Foundation, Inc.
    ## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
    ##
    ## This program is free software; you can redistribute it and/or modify
    ## it under the terms of the GNU General Public License as published by
    ## the Free Software Foundation; either version 2 of the License, or
    ## (at your option) any later version.
    ##
    ## This program is distributed in the hope that it will be useful, but
    ## WITHOUT ANY WARRANTY; without even the implied warranty of
    ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    ## General Public License for more details.
    ##
    ## You should have received a copy of the GNU General Public License
    ## along with this program; if not, write to the Free Software
    ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    ##
    ## As a special exception to the GNU General Public License, if you
    ## distribute this file as part of a program that contains a
    ## configuration script generated by Autoconf, you may include it under
    ## the same distribution terms that you use for the rest of that program.
    
    # serial 40 AC_PROG_LIBTOOL
    AC_DEFUN(AC_PROG_LIBTOOL,
    [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
    
    # Save cache, so that ltconfig can load it
    AC_CACHE_SAVE
    
    # Actually configure libtool.  ac_aux_dir is where install-sh is found.
    CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
    LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
    LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
    DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
    ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
    $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \
    || AC_MSG_ERROR([libtool configure failed])
    
    # Reload cache, that may have been modified by ltconfig
    AC_CACHE_LOAD
    
    # This can be used to rebuild libtool when needed
    LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
    
    # Always use our own libtool.
    LIBTOOL='$(SHELL) $(top_builddir)/libtool'
    AC_SUBST(LIBTOOL)dnl
    
    # Redirect the config.log output again, so that the ltconfig log is not
    # clobbered by the next message.
    exec 5>>./config.log
    ])
    
    AC_DEFUN(AC_LIBTOOL_SETUP,
    [AC_PREREQ(2.13)dnl
    AC_REQUIRE([AC_ENABLE_SHARED])dnl
    AC_REQUIRE([AC_ENABLE_STATIC])dnl
    AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
    AC_REQUIRE([CL_CANONICAL_HOST])dnl
    AC_REQUIRE([AC_CANONICAL_BUILD])dnl
    AC_REQUIRE([CL_PROG_RANLIB])dnl
    AC_REQUIRE([AC_PROG_CC])dnl
    AC_REQUIRE([AC_PROG_LD])dnl
    AC_REQUIRE([AC_PROG_NM])dnl
    AC_REQUIRE([CL_PROG_LN_S])dnl
    dnl
    
    case "$target" in
    NONE) lt_target="$host" ;;
    *) lt_target="$target" ;;
    esac
    
    # Check for any special flags to pass to ltconfig.
    libtool_flags="--cache-file=$cache_file"
    test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
    test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
    test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
    test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
    test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
    ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
    [libtool_flags="$libtool_flags --enable-dlopen"])
    ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
    [libtool_flags="$libtool_flags --enable-win32-dll"])
    AC_ARG_ENABLE(libtool-lock,
      [  --disable-libtool-lock  avoid locking (might break parallel builds)])
    test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
    test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
    
    # Some flags need to be propagated to the compiler or linker for good
    # libtool support.
    case "$lt_target" in
    *-*-irix6*)
      # Find out which ABI we are using.
      echo '[#]line __oline__ "configure"' > conftest.$ac_ext
      if AC_TRY_EVAL(ac_compile); then
        case "`/usr/bin/file conftest.o`" in
        *32-bit*)
          LD="${LD-ld} -32"
          ;;
        *N32*)
          LD="${LD-ld} -n32"
          ;;
        *64-bit*)
          LD="${LD-ld} -64"
          ;;
        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_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
      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
      ;;
    
    ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
    [*-*-cygwin* | *-*-mingw*)
      AC_CHECK_TOOL(DLLTOOL, dlltool, false)
      AC_CHECK_TOOL(AS, as, false)
      AC_CHECK_TOOL(OBJDUMP, objdump, false)
      ;;
    ])
    esac
    ])
    
    # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
    AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
    
    # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
    AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
    
    # AC_ENABLE_SHARED - implement the --enable-shared flag
    # Usage: AC_ENABLE_SHARED[(DEFAULT)]
    #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
    #   `yes'.
    AC_DEFUN(AC_ENABLE_SHARED, [dnl
    define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
    AC_ARG_ENABLE(shared,
    changequote(<<, >>)dnl
    <<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
    changequote([, ])dnl
    [p=${PACKAGE-default}
    case "$enableval" in
    yes) enable_shared=yes ;;
    no) enable_shared=no ;;
    *)
      enable_shared=no
      # Look at the argument we got.  We use all the common list separators.
      IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
      for pkg in $enableval; do
        if test "X$pkg" = "X$p"; then
          enable_shared=yes
        fi
      done
      IFS="$ac_save_ifs"
      ;;
    esac],
    enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
    ])
    
    # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
    AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
    AC_ENABLE_SHARED(no)])
    
    # AC_ENABLE_STATIC - implement the --enable-static flag
    # Usage: AC_ENABLE_STATIC[(DEFAULT)]
    #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
    #   `yes'.
    AC_DEFUN(AC_ENABLE_STATIC, [dnl
    define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
    AC_ARG_ENABLE(static,
    changequote(<<, >>)dnl
    <<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
    changequote([, ])dnl
    [p=${PACKAGE-default}
    case "$enableval" in
    yes) enable_static=yes ;;
    no) enable_static=no ;;
    *)
      enable_static=no
      # Look at the argument we got.  We use all the common list separators.
      IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
      for pkg in $enableval; do
        if test "X$pkg" = "X$p"; then
          enable_static=yes
        fi
      done
      IFS="$ac_save_ifs"
      ;;
    esac],
    enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
    ])
    
    # AC_DISABLE_STATIC - set the default static flag to --disable-static
    AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
    AC_ENABLE_STATIC(no)])
    
    
    # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
    # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
    #   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
    #   `yes'.
    AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
    define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
    AC_ARG_ENABLE(fast-install,
    changequote(<<, >>)dnl
    <<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
    changequote([, ])dnl
    [p=${PACKAGE-default}
    case "$enableval" in
    yes) enable_fast_install=yes ;;
    no) enable_fast_install=no ;;
    *)
      enable_fast_install=no
      # Look at the argument we got.  We use all the common list separators.
      IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
      for pkg in $enableval; do
        if test "X$pkg" = "X$p"; then
          enable_fast_install=yes
        fi
      done
      IFS="$ac_save_ifs"
      ;;
    esac],
    enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
    ])
    
    # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
    AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
    AC_ENABLE_FAST_INSTALL(no)])
    
    # AC_PROG_LD - find the path to the GNU or non-GNU linker
    AC_DEFUN(AC_PROG_LD,
    [AC_ARG_WITH(gnu-ld,
    [  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
    test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
    AC_REQUIRE([AC_PROG_CC])dnl
    AC_REQUIRE([CL_CANONICAL_HOST])dnl
    AC_REQUIRE([AC_CANONICAL_BUILD])dnl
    ac_prog=ld
    if test "$ac_cv_prog_gcc" = yes; then
      # Check if gcc -print-prog-name=ld gives a path.
      AC_MSG_CHECKING([for ld used by GCC])
      ac_prog=`($CC -print-prog-name=ld) 2>&5`
      case "$ac_prog" in
        # Accept absolute paths.
    changequote(,)dnl
        [\\/]* | [A-Za-z]:[\\/]*)
          re_direlt='/[^/][^/]*/\.\./'
    changequote([,])dnl
          # Canonicalize the path of ld
          ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
          while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
    	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
          done
          test -z "$LD" && LD="$ac_prog"
          ;;
      "")
        # If it fails, then pretend we aren't using GCC.
        ac_prog=ld
        ;;
      *)
        # If it is relative, then search for the first ld in PATH.
        with_gnu_ld=unknown
        ;;
      esac
    elif test "$with_gnu_ld" = yes; then
      AC_MSG_CHECKING([for GNU ld])
    else
      AC_MSG_CHECKING([for non-GNU ld])
    fi
    AC_CACHE_VAL(ac_cv_path_LD,
    [if test -z "$LD"; then
      IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
      for ac_dir in $PATH; do
        test -z "$ac_dir" && ac_dir=.
        if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
          ac_cv_path_LD="$ac_dir/$ac_prog"
          # Check to see if the program is GNU ld.  I'd rather use --version,
          # but apparently some GNU ld's only accept -v.
          # Break only if it was the GNU/non-GNU ld that we prefer.
          if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
    	test "$with_gnu_ld" != no && break
          else
    	test "$with_gnu_ld" != yes && break
          fi
        fi
      done
      IFS="$ac_save_ifs"
    else
      ac_cv_path_LD="$LD" # Let the user override the test with a path.
    fi])
    LD="$ac_cv_path_LD"
    if test -n "$LD"; then
      AC_MSG_RESULT($LD)
    else
      AC_MSG_RESULT(no)
    fi
    test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
    AC_PROG_LD_GNU
    ])
    
    AC_DEFUN(AC_PROG_LD_GNU,
    [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
    [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
    if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
      ac_cv_prog_gnu_ld=yes
    else
      ac_cv_prog_gnu_ld=no
    fi])
    ])
    
    # AC_PROG_NM - find the path to a BSD-compatible name lister
    AC_DEFUN(AC_PROG_NM,
    [AC_MSG_CHECKING([for BSD-compatible nm])
    AC_CACHE_VAL(ac_cv_path_NM,
    [if test -n "$NM"; then
      # Let the user override the test.
      ac_cv_path_NM="$NM"
    else
      IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
      for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
        test -z "$ac_dir" && ac_dir=.
        if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
          # Check to see if the nm accepts a BSD-compat flag.
          # Adding the `sed 1q' prevents false positives on HP-UX, which says:
          #   nm: unknown option "B" ignored
          if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
    	ac_cv_path_NM="$ac_dir/nm -B"
    	break
          elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
    	ac_cv_path_NM="$ac_dir/nm -p"
    	break
          else
    	ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
    	continue # so that we can try to find one that supports BSD flags
          fi
        fi
      done
      IFS="$ac_save_ifs"
      test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
    fi])
    NM="$ac_cv_path_NM"
    AC_MSG_RESULT([$NM])
    ])
    
    # AC_CHECK_LIBM - check for math library
    AC_DEFUN(AC_CHECK_LIBM,
    [AC_REQUIRE([CL_CANONICAL_HOST])dnl
    LIBM=
    case "$lt_target" in
    *-*-beos* | *-*-cygwin*)
      # These system don't have libm
      ;;
    *-ncr-sysv4.3*)
      AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
      AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
      ;;
    *)
      AC_CHECK_LIB(m, main, LIBM="-lm")
      ;;
    esac
    ])
    
    # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
    # the libltdl convenience library and INCLTDL to the include flags for
    # the libltdl header and adds --enable-ltdl-convenience to the
    # configure arguments.  Note that LIBLTDL and INCLTDL are not
    # AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called.  If DIR is not
    # provided, it is assumed to be `libltdl'.  LIBLTDL will be prefixed
    # with '${top_builddir}/' and INCLTDL will be prefixed with
    # '${top_srcdir}/' (note the single quotes!).  If your package is not
    # flat and you're not using automake, define top_builddir and
    # top_srcdir appropriately in the Makefiles.
    AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
      case "$enable_ltdl_convenience" in
      no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
      "") enable_ltdl_convenience=yes
          ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
      esac
      LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
      INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
    ])
    
    # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
    # the libltdl installable library and INCLTDL to the include flags for
    # the libltdl header and adds --enable-ltdl-install to the configure
    # arguments.  Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
    # AC_CONFIG_SUBDIRS called.  If DIR is not provided and an installed
    # libltdl is not found, it is assumed to be `libltdl'.  LIBLTDL will
    # be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
    # with '${top_srcdir}/' (note the single quotes!).  If your package is
    # not flat and you're not using automake, define top_builddir and
    # top_srcdir appropriately in the Makefiles.
    # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
    AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
      AC_CHECK_LIB(ltdl, main,
      [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
      [if test x"$enable_ltdl_install" = xno; then
         AC_MSG_WARN([libltdl not installed, but installation disabled])
       else
         enable_ltdl_install=yes
       fi
      ])
      if test x"$enable_ltdl_install" = x"yes"; then
        ac_configure_args="$ac_configure_args --enable-ltdl-install"
        LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
        INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
      else
        ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
        LIBLTDL="-lltdl"
        INCLTDL=
      fi
    ])
    
    dnl old names
    AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
    AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
    AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
    AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
    AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
    AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
    AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
    
    dnl This is just to silence aclocal about the macro not being used
    ifelse([AC_DISABLE_FAST_INSTALL])dnl
    # serial 8
    
    # From Paul Eggert.
    
    # BeOS 5 has <wchar.h> but does not define mbstate_t,
    # so you can't declare an object of that type.
    # Check for this incompatibility with Standard C.
    
    # Include stdlib.h first, because otherwise this test would fail on Linux
    # (at least glibc-2.1.3) because the "_XOPEN_SOURCE 500" definition elicits
    # a syntax error in wchar.h due to the use of undefined __int32_t.
    
    AC_DEFUN(AC_MBSTATE_T,
      [
       AC_CHECK_HEADERS(stdlib.h)
    
       AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
        [AC_TRY_COMPILE([
    #if HAVE_STDLIB_H
    # include <stdlib.h>
    #endif
    #include <wchar.h>],
          [mbstate_t x; return sizeof x;],
          ac_cv_type_mbstate_t=yes,
          ac_cv_type_mbstate_t=no)])
       if test $ac_cv_type_mbstate_t = no; then
         AC_DEFINE(mbstate_t, int,
    	       [Define to a type if <wchar.h> does not define.])
       fi])