Subversion Repositories or1k_old

dnl aclocal.m4 generated automatically by aclocal 1.4

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 This provides configure definitions used by all the newlib

dnl configure.in files.

dnl Basic newlib configury.  This calls basic introductory stuff,

dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST.  It also runs

dnl configure.host.  The only argument is the relative path to the top

dnl newlib directory.

AC_DEFUN(NEWLIB_CONFIGURE,

[

dnl Default to --enable-multilib

AC_ARG_ENABLE(multilib,

[  --enable-multilib         build many library versions (default)],

[case "${enableval}" in

  yes) multilib=yes ;;

  no)  multilib=no ;;

  *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;

 esac], [multilib=yes])dnl

dnl Support --enable-target-optspace

AC_ARG_ENABLE(target-optspace,

[  --enable-target-optspace  optimize for space],

[case "${enableval}" in

  yes) target_optspace=yes ;;

  no)  target_optspace=no ;;

  *)   AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;;

 esac], [target_optspace=])dnl

dnl Support --enable-malloc-debugging - currently only supported for Cygwin

AC_ARG_ENABLE(malloc-debugging,

[  --enable-malloc-debugging indicate malloc debugging requested],

[case "${enableval}" in

  yes) malloc_debugging=yes ;;

  no)  malloc_debugging=no ;;

  *)   AC_MSG_ERROR(bad value ${enableval} for malloc-debugging option) ;;

 esac], [malloc_debugging=])dnl

dnl Support --enable-newlib-mb

AC_ARG_ENABLE(newlib-mb,

[  --enable-newlib-mb        enable multibyte support],

[case "${enableval}" in

  yes) newlib_mb=yes ;;

  no)  newlib_mb=no ;;

  *)   AC_MSG_ERROR(bad value ${enableval} for newlib-mb option) ;;

 esac], [newlib_mb=no])dnl

dnl We may get other options which we don't document:

dnl --with-target-subdir, --with-multisrctop, --with-multisubdir

test -z "[$]{with_target_subdir}" && with_target_subdir=.

if test "[$]{srcdir}" = "."; then

  if test "[$]{with_target_subdir}" != "."; then

    newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"

  else

    newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"

  fi

else

  newlib_basedir="[$]{srcdir}/$1"

fi

AC_SUBST(newlib_basedir)

AC_CANONICAL_HOST

AM_INIT_AUTOMAKE(newlib, 1.10.0)

# FIXME: We temporarily define our own version of AC_PROG_CC.  This is

# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We

# are probably using a cross compiler, which will not be able to fully

# link an executable.  This should really be fixed in autoconf

# itself.

AC_DEFUN(LIB_AC_PROG_CC,

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

AC_CHECK_PROG(CC, gcc, gcc)

if test -z "$CC"; then

  AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)

  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])

fi

AC_PROG_CC_GNU

if test $ac_cv_prog_gcc = yes; then

  GCC=yes

dnl Check whether -g works, even if CFLAGS is set, in case the package

dnl plays around with CFLAGS (such as to build both debugging and

dnl normal versions of a library), tasteless as that idea is.

  ac_test_CFLAGS="${CFLAGS+set}"

  ac_save_CFLAGS="$CFLAGS"

  CFLAGS=

  AC_PROG_CC_G

  if test "$ac_test_CFLAGS" = set; then

    CFLAGS="$ac_save_CFLAGS"

  elif test $ac_cv_prog_cc_g = yes; then

    CFLAGS="-g -O2"

  else

    CFLAGS="-O2"

  fi

else

  GCC=

  test "${CFLAGS+set}" = set || CFLAGS="-g"

fi

])

LIB_AC_PROG_CC

# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD).  If we don't

# run it explicitly here, it will be run implicitly before

# NEWLIB_CONFIGURE, which doesn't work because that means that it will

# be run before AC_CANONICAL_HOST.

AC_CANONICAL_BUILD

AC_CHECK_TOOL(AS, as)

AC_CHECK_TOOL(AR, ar)

AC_CHECK_TOOL(RANLIB, ranlib, :)

AC_PROG_INSTALL

AM_MAINTAINER_MODE

# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,

# at least currently, we never actually build a program, so we never

# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally

# fails, because we are probably configuring with a cross compiler

# which can't create executables.  So we include AC_EXEEXT to keep

# automake happy, but we don't execute it, since we don't care about

# the result.

if false; then

  AC_EXEEXT

fi

. [$]{newlib_basedir}/configure.host

case [$]{newlib_basedir} in

/* | [A-Za-z]:[/\\]*) newlib_flagbasedir=[$]{newlib_basedir} ;;

*) newlib_flagbasedir='[$](top_builddir)/'[$]{newlib_basedir} ;;

esac

newlib_cflags="[$]{newlib_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{newlib_flagbasedir}/libc/include"

case "${host}" in

  *-*-cygwin*)

    newlib_cflags="[$]{newlib_cflags} -I[$]{newlib_flagbasedir}/../winsup/cygwin/include  -I[$]{newlib_flagbasedir}/../winsup/w32api/include"

    ;;

esac

newlib_cflags="[$]{newlib_cflags} -fno-builtin"

NEWLIB_CFLAGS=${newlib_cflags}

AC_SUBST(NEWLIB_CFLAGS)

LDFLAGS=${ldflags}

AC_SUBST(LDFLAGS)

AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes)

AC_SUBST(oext)

AC_SUBST(aext)

AC_SUBST(libm_machine_dir)

AC_SUBST(machine_dir)

AC_SUBST(sys_dir)

])

# 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,

[AC_REQUIRE([AC_PROG_INSTALL])

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)

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])

fi

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)])

# Add --enable-maintainer-mode option to configure.

# From Jim Meyering

# serial 1

AC_DEFUN(AM_MAINTAINER_MODE,

[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])

  dnl maintainer-mode is disabled by default

  AC_ARG_ENABLE(maintainer-mode,

[  --enable-maintainer-mode enable make rules and dependencies not useful

                          (and sometimes confusing) to the casual installer],

      USE_MAINTAINER_MODE=$enableval,

      USE_MAINTAINER_MODE=no)

  AC_MSG_RESULT($USE_MAINTAINER_MODE)

  AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)

  MAINT=$MAINTAINER_MODE_TRUE

  AC_SUBST(MAINT)dnl

]

)

# Define a conditional.

AC_DEFUN(AM_CONDITIONAL,

[AC_SUBST($1_TRUE)

AC_SUBST($1_FALSE)

if $2; then

  $1_TRUE=

  $1_FALSE='#'

else

  $1_TRUE='#'

  $1_FALSE=

fi])

# 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 $host \

|| 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([AC_CANONICAL_HOST])dnl

AC_REQUIRE([AC_CANONICAL_BUILD])dnl

AC_REQUIRE([AC_PROG_RANLIB])dnl

AC_REQUIRE([AC_PROG_CC])dnl

AC_REQUIRE([AC_PROG_LD])dnl

AC_REQUIRE([AC_PROG_NM])dnl

AC_REQUIRE([AC_PROG_LN_S])dnl

dnl

# 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 "$host" 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([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

    # 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([AC_CANONICAL_HOST])dnl

LIBM=

case "$host" 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, 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.

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=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la

  INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])

])

# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for

# 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.

# 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=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la

    INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/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