Skip to content
Snippets Groups Projects
aclocal.m4 22.2 KiB
Newer Older
  • Learn to ignore specific revisions
  • Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    dnl aclocal.m4 generated automatically by aclocal 1.4a
    
    dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
    dnl This file is free software; the Free Software Foundation
    
    dnl gives unlimited permission to copy and/or distribute it,
    dnl with or without modifications, as long as this notice is preserved.
    
    dnl This program is distributed in the hope that it will be useful,
    dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
    dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
    dnl PARTICULAR PURPOSE.
    
    
    dnl Copyright 1998-2002 The OpenLDAP Foundation, Redwood City, California, USA
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    dnl All rights reserved.
    dnl 
    dnl Redistribution and use in source and binary forms, with or without
    dnl modification, are permitted only as authorized by the OpenLDAP
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    dnl Public License.  A copy of this license is available at
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    dnl http://www.OpenLDAP.org/license.html or in file LICENSE in the
    dnl top-level directory of the distribution.
    
    dnl
    dnl OpenLDAP Autoconf Macros
    dnl
    
    divert(-1)
    
    builtin(include, build/openldap.m4)dnl
    
    # Do all the work for Automake.  This macro actually does too much --
    # some checks are only needed if your package does certain things.
    # But this isn't really a big deal.
    
    # serial 1
    
    dnl Usage:
    dnl AM_INIT_AUTOMAKE(package,version, [no-define])
    
    AC_DEFUN(AM_INIT_AUTOMAKE,
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    dnl We require 2.13 because we rely on SHELL being computed by configure.
    AC_PREREQ([2.13])
    
    PACKAGE=[$1]
    AC_SUBST(PACKAGE)
    VERSION=[$2]
    AC_SUBST(VERSION)
    dnl test to see if srcdir already configured
    if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
      AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
    fi
    ifelse([$3],,
    
    AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
    AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
    
    AC_REQUIRE([AM_SANITY_CHECK])
    AC_REQUIRE([AC_ARG_PROGRAM])
    dnl FIXME This is truly gross.
    missing_dir=`cd $ac_aux_dir && pwd`
    AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
    AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
    AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
    AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
    AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    dnl Set install_sh for make dist
    install_sh="$missing_dir/install-sh"
    test -f "$install_sh" || install_sh="$missing_dir/install.sh"
    AC_SUBST(install_sh)
    dnl We check for tar when the user configures the end package.
    dnl This is sad, since we only need this for "dist".  However,
    dnl there's no other good way to do it.  We prefer GNU tar if
    dnl we can find it.  If we can't find a tar, it doesn't really matter.
    AC_CHECK_PROGS(AMTAR, gnutar gtar tar)
    dnl We need awk for the "check" target.  The system "awk" is bad on
    dnl some platforms.
    AC_REQUIRE([AC_PROG_AWK])
    AMTARFLAGS=
    if test -n "$AMTAR"; then
      if $SHELL -c "$AMTAR --version" > /dev/null 2>&1; then
        dnl We have GNU tar.
        AMTARFLAGS=o
      fi
    fi
    AC_SUBST(AMTARFLAGS)
    
    AC_REQUIRE([AC_PROG_MAKE_SET])])
    
    #
    # Check to make sure that the build environment is sane.
    #
    
    AC_DEFUN(AM_SANITY_CHECK,
    [AC_MSG_CHECKING([whether build environment is sane])
    # Just in case
    sleep 1
    echo timestamp > conftestfile
    # Do `set' in a subshell so we don't clobber the current shell's
    # arguments.  Must try -L first in case configure is actually a
    # symlink; some systems play weird games with the mod time of symlinks
    # (eg FreeBSD returns the mod time of the symlink's containing
    # directory).
    if (
       set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
       if test "[$]*" = "X"; then
          # -L didn't work.
          set X `ls -t $srcdir/configure conftestfile`
       fi
       if test "[$]*" != "X $srcdir/configure conftestfile" \
          && test "[$]*" != "X conftestfile $srcdir/configure"; then
    
          # If neither matched, then we have a broken ls.  This can happen
          # if, for instance, CONFIG_SHELL is bash and it inherits a
          # broken ls alias from the environment.  This has actually
          # happened.  Such a system could not be considered "sane".
          AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
    alias in your environment])
       fi
    
       test "[$]2" = conftestfile
       )
    then
       # Ok.
       :
    
    else
    
       AC_MSG_ERROR([newly created file is older than distributed files!
    Check your system clock])
    
    rm -f conftest*
    AC_MSG_RESULT(yes)])
    
    dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
    dnl The program must properly implement --version.
    AC_DEFUN(AM_MISSING_PROG,
    [AC_MSG_CHECKING(for working $2)
    # Run test in a subshell; some versions of sh will print an error if
    # an executable is not found, even if stderr is redirected.
    # Redirect stdin to placate older versions of autoconf.  Sigh.
    if ($2 --version) < /dev/null > /dev/null 2>&1; then
       $1=$2
       AC_MSG_RESULT(found)
    else
       $1="$3/missing $2"
       AC_MSG_RESULT(missing)
    fi
    AC_SUBST($1)])
    
    
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # 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 \
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    || 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
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    AC_REQUIRE([AC_CANONICAL_BUILD])dnl
    
    AC_REQUIRE([AC_PROG_RANLIB])dnl
    AC_REQUIRE([AC_PROG_CC])dnl
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    AC_REQUIRE([AC_PROG_LD])dnl
    AC_REQUIRE([AC_PROG_NM])dnl
    
    case "$target" in
    NONE) lt_target="$host" ;;
    *) lt_target="$target" ;;
    esac
    
    
    # Check for any special flags to pass to ltconfig.
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    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"
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    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"
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    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.
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
      SAVE_CFLAGS="$CFLAGS"
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
      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
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    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)
      ;;
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    esac
    ])
    
    # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
    AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # 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'.
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    AC_DEFUN(AC_ENABLE_SHARED, [dnl
    define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    <<  --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],
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # 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)])
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # 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'.
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    AC_DEFUN(AC_ENABLE_STATIC, [dnl
    define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    <<  --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],
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    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
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # 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)])
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # 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)
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    AC_REQUIRE([AC_PROG_CC])dnl
    AC_REQUIRE([AC_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
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
        # 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_CACHE_VAL(ac_cv_path_LD,
    [if test -z "$LD"; then
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
      IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
    
      for ac_dir in $PATH; do
        test -z "$ac_dir" && ac_dir=.
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
        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
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    	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])
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    AC_PROG_LD_GNU
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    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])
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # 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,
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    [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
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
        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
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    	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
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    	ac_cv_path_NM="$ac_dir/nm -p"
    	break
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    	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
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    fi])
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # AC_CHECK_LIBM - check for math library
    AC_DEFUN(AC_CHECK_LIBM,
    [AC_REQUIRE([AC_CANONICAL_HOST])dnl
    LIBM=
    
    case "$lt_target" in
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    *-*-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
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # the libltdl convenience library, adds --enable-ltdl-convenience to
    # the configure arguments.  Note that LIBLTDL is not AC_SUBSTed, nor
    # is AC_CONFIG_SUBDIRS called.  If DIR is not provided, it is assumed
    # to be `${top_builddir}/libltdl'.  Make sure you start DIR with
    # '${top_builddir}/' (note the single quotes!) if your package is not
    # flat, and, if you're not using automake, define top_builddir as
    # appropriate in the Makefiles.
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    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
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
      LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la
      INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    ])
    
    # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # the libltdl installable library, and adds --enable-ltdl-install to
    # the configure arguments.  Note that LIBLTDL is not AC_SUBSTed, nor
    # is AC_CONFIG_SUBDIRS called.  If DIR is not provided, it is assumed
    # to be `${top_builddir}/libltdl'.  Make sure you start DIR with
    # '${top_builddir}/' (note the single quotes!) if your package is not
    # flat, and, if you're not using automake, define top_builddir as
    # appropriate in the Makefiles.
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # 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"
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
        LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
        INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
      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 1
    
    # @defmac AC_PROG_CC_STDC
    # @maindex PROG_CC_STDC
    # @ovindex CC
    # If the C compiler in not in ANSI C mode by default, try to add an option
    # to output variable @code{CC} to make it so.  This macro tries various
    # options that select ANSI C on some system or another.  It considers the
    # compiler to be in ANSI C mode if it handles function prototypes correctly.
    #
    # If you use this macro, you should check after calling it whether the C
    # compiler has been set to accept ANSI C; if not, the shell variable
    # @code{am_cv_prog_cc_stdc} is set to @samp{no}.  If you wrote your source
    # code in ANSI C, you can make an un-ANSIfied copy of it by using the
    # program @code{ansi2knr}, which comes with Ghostscript.
    # @end defmac
    
    AC_DEFUN(AM_PROG_CC_STDC,
    [AC_REQUIRE([AC_PROG_CC])
    AC_BEFORE([$0], [AC_C_INLINE])
    AC_BEFORE([$0], [AC_C_CONST])
    dnl Force this before AC_PROG_CPP.  Some cpp's, eg on HPUX, require
    dnl a magic option to avoid problems with ANSI preprocessor commands
    dnl like #elif.
    dnl FIXME: can't do this because then AC_AIX won't work due to a
    dnl circular dependency.
    dnl AC_BEFORE([$0], [AC_PROG_CPP])
    AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
    AC_CACHE_VAL(am_cv_prog_cc_stdc,
    [am_cv_prog_cc_stdc=no
    ac_save_CC="$CC"
    # Don't try gcc -ansi; that turns off useful extensions and
    # breaks some systems' header files.
    # AIX			-qlanglvl=ansi
    # Ultrix and OSF/1	-std1
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    # HP-UX 10.20 and later	-Ae
    # HP-UX older versions	-Aa -D_HPUX_SOURCE
    
    Kurt Zeilenga's avatar
    Kurt Zeilenga committed
    for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
    
    do
      CC="$ac_save_CC $ac_arg"
      AC_TRY_COMPILE(
    [#include <stdarg.h>
    #include <stdio.h>
    #include <sys/types.h>
    #include <sys/stat.h>
    /* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */
    struct buf { int x; };
    FILE * (*rcsopen) (struct buf *, struct stat *, int);
    static char *e (p, i)
         char **p;
         int i;
    {
      return p[i];
    }
    static char *f (char * (*g) (char **, int), char **p, ...)
    {
      char *s;
      va_list v;
      va_start (v,p);
      s = g (p, va_arg (v,int));
      va_end (v);
      return s;
    }
    int test (int i, double x);
    struct s1 {int (*f) (int a);};
    struct s2 {int (*f) (double a);};
    int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
    int argc;
    char **argv;
    ], [
    return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
    ],
    [am_cv_prog_cc_stdc="$ac_arg"; break])
    done
    CC="$ac_save_CC"
    
    if test -z "$am_cv_prog_cc_stdc"; then
      AC_MSG_RESULT([none needed])
    else
      AC_MSG_RESULT($am_cv_prog_cc_stdc)
    fi
    case "x$am_cv_prog_cc_stdc" in
      x|xno) ;;
      *) CC="$CC $am_cv_prog_cc_stdc" ;;
    esac
    
    
    dnl From Jim Meyering.
    
    # serial 1
    
    AC_DEFUN(AM_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL,
    [AC_REQUIRE([AM_SYS_POSIX_TERMIOS])
     AC_CACHE_CHECK([whether use of TIOCGWINSZ requires sys/ioctl.h],
    	        am_cv_sys_tiocgwinsz_needs_sys_ioctl_h,
      [am_cv_sys_tiocgwinsz_needs_sys_ioctl_h=no
    
      gwinsz_in_termios_h=no
      if test $am_cv_sys_posix_termios = yes; then
        AC_EGREP_CPP([yes],
        [#include <sys/types.h>
    #     include <termios.h>
    #     ifdef TIOCGWINSZ
            yes
    #     endif
        ], gwinsz_in_termios_h=yes)
      fi
    
      if test $gwinsz_in_termios_h = no; then
        AC_EGREP_CPP([yes],
        [#include <sys/types.h>
    #     include <sys/ioctl.h>
    #     ifdef TIOCGWINSZ
            yes
    #     endif
        ], am_cv_sys_tiocgwinsz_needs_sys_ioctl_h=yes)
      fi
      ])
      if test $am_cv_sys_tiocgwinsz_needs_sys_ioctl_h = yes; then
    
        AC_DEFINE(GWINSZ_IN_SYS_IOCTL,1,
                  [Define if TIOCGWINSZ requires sys/ioctl.h])
    
    
    dnl From Jim Meyering.
    
    # serial 1
    
    AC_DEFUN(AM_SYS_POSIX_TERMIOS,
    [AC_CACHE_CHECK([POSIX termios], am_cv_sys_posix_termios,
      [AC_TRY_LINK([#include <sys/types.h>
    #include <unistd.h>
    #include <termios.h>],
      [/* SunOS 4.0.3 has termios.h but not the library calls.  */
       tcgetattr(0, 0);],
      am_cv_sys_posix_termios=yes,
      am_cv_sys_posix_termios=no)])
    
    
    # From Ulrich Drepper.
    
    # serial 1
    
    AC_DEFUN(AM_TYPE_PTRDIFF_T,
      [AC_CACHE_CHECK([for ptrdiff_t], am_cv_type_ptrdiff_t,
         [AC_TRY_COMPILE([#include <stddef.h>], [ptrdiff_t p],
    		     am_cv_type_ptrdiff_t=yes, am_cv_type_ptrdiff_t=no)])
       if test $am_cv_type_ptrdiff_t = yes; then
    
         AC_DEFINE(HAVE_PTRDIFF_T,1,[Define if system has ptrdiff_t type])