libtool.m4 208 KB
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# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
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## Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004
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## 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.

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# serial 47 AC_PROG_LIBTOOL


# AC_PROVIDE_IFELSE(MACRO-NAME, IF-PROVIDED, IF-NOT-PROVIDED)
# -----------------------------------------------------------
# If this macro is not defined by Autoconf, define it here.
m4_ifdef([AC_PROVIDE_IFELSE],
         [],
         [m4_define([AC_PROVIDE_IFELSE],
	         [m4_ifdef([AC_PROVIDE_$1],
		           [$2], [$3])])])


# AC_PROG_LIBTOOL
# ---------------
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AC_DEFUN([AC_PROG_LIBTOOL],
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[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.
  AC_PROVIDE_IFELSE([AC_PROG_CXX],
    [AC_LIBTOOL_CXX],
    [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
  ])])
dnl And a similar setup for Fortran 77 support
  AC_PROVIDE_IFELSE([AC_PROG_F77],
    [AC_LIBTOOL_F77],
    [define([AC_PROG_F77], defn([AC_PROG_F77])[AC_LIBTOOL_F77
])])

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
dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both.
  AC_PROVIDE_IFELSE([AC_PROG_GCJ],
    [AC_LIBTOOL_GCJ],
    [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
      [AC_LIBTOOL_GCJ],
      [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],
	[AC_LIBTOOL_GCJ],
      [ifdef([AC_PROG_GCJ],
	     [define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ])])
       ifdef([A][M_PROG_GCJ],
	     [define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ])])
       ifdef([LT_AC_PROG_GCJ],
	     [define([LT_AC_PROG_GCJ],
		defn([LT_AC_PROG_GCJ])[AC_LIBTOOL_GCJ])])])])
])])# AC_PROG_LIBTOOL


# _AC_PROG_LIBTOOL
# ----------------
AC_DEFUN([_AC_PROG_LIBTOOL],
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[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
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AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl
AC_BEFORE([$0],[AC_LIBTOOL_F77])dnl
AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl
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# This can be used to rebuild libtool when needed
LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"

# Always use our own libtool.
LIBTOOL='$(SHELL) $(top_builddir)/libtool'
AC_SUBST(LIBTOOL)dnl

# Prevent multiple expansion
define([AC_PROG_LIBTOOL], [])
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])# _AC_PROG_LIBTOOL

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# AC_LIBTOOL_SETUP
# ----------------
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AC_DEFUN([AC_LIBTOOL_SETUP],
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[AC_PREREQ(2.50)dnl
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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_CC])dnl
AC_REQUIRE([AC_PROG_LD])dnl
AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
AC_REQUIRE([AC_PROG_NM])dnl
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AC_REQUIRE([AC_PROG_LN_S])dnl
AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
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# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
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AC_REQUIRE([AC_OBJEXT])dnl
AC_REQUIRE([AC_EXEEXT])dnl
dnl

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AC_LIBTOOL_SYS_MAX_CMD_LEN
AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
AC_LIBTOOL_OBJDIR

AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
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_LT_AC_PROG_ECHO_BACKSLASH
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case $host_os in
aix3*)
  # AIX sometimes has problems with the GCC collect2 program.  For some
  # reason, if we set the COLLECT_NAMES environment variable, the problems
  # vanish in a puff of smoke.
  if test "X${COLLECT_NAMES+set}" != Xset; then
    COLLECT_NAMES=
    export COLLECT_NAMES
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  fi
  ;;
esac

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# Sed substitution that helps us do robust quoting.  It backslashifies
# metacharacters that are still active within double-quoted strings.
Xsed='sed -e s/^X//'
[sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g']
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# Same as above, but do not quote variable references.
[double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g']
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# Sed substitution to delay expansion of an escaped shell variable in a
# double_quote_subst'ed string.
delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
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# Sed substitution to avoid accidental globbing in evaled expressions
no_glob_subst='s/\*/\\\*/g'
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# Constants:
rm="rm -f"
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# Global variables:
default_ofile=libtool
can_build_shared=yes

# All known linkers require a `.a' archive for static linking (except M$VC,
# which needs '.lib').
libext=a
ltmain="$ac_aux_dir/ltmain.sh"
ofile="$default_ofile"
with_gnu_ld="$lt_cv_prog_gnu_ld"

AC_CHECK_TOOL(AR, ar, false)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(STRIP, strip, :)

old_CC="$CC"
old_CFLAGS="$CFLAGS"

# Set sane defaults for various variables
test -z "$AR" && AR=ar
test -z "$AR_FLAGS" && AR_FLAGS=cru
test -z "$AS" && AS=as
test -z "$CC" && CC=cc
test -z "$LTCC" && LTCC=$CC
test -z "$DLLTOOL" && DLLTOOL=dlltool
test -z "$LD" && LD=ld
test -z "$LN_S" && LN_S="ln -s"
test -z "$MAGIC_CMD" && MAGIC_CMD=file
test -z "$NM" && NM=nm
test -z "$SED" && SED=sed
test -z "$OBJDUMP" && OBJDUMP=objdump
test -z "$RANLIB" && RANLIB=:
test -z "$STRIP" && STRIP=:
test -z "$ac_objext" && ac_objext=o
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# Determine commands to create old-style static archives.
old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs'
old_postinstall_cmds='chmod 644 $oldlib'
old_postuninstall_cmds=

if test -n "$RANLIB"; then
  case $host_os in
  openbsd*)
    old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds"
    ;;
  *)
    old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
    ;;
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  esac
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  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
fi

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

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# Only perform the check for file, if the check method requires it
case $deplibs_check_method in
file_magic*)
  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
    AC_PATH_MAGIC
  fi
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  ;;
esac

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AC_PROVIDE_IFELSE([AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no)
AC_PROVIDE_IFELSE([AC_LIBTOOL_WIN32_DLL],
enable_win32_dll=yes, enable_win32_dll=no)
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AC_ARG_ENABLE([libtool-lock],
    [AC_HELP_STRING([--disable-libtool-lock],
	[avoid locking (might break parallel builds)])])
test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
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AC_ARG_WITH([pic],
    [AC_HELP_STRING([--with-pic],
	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
    [pic_mode="$withval"],
    [pic_mode=default])
test -z "$pic_mode" && pic_mode=default
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# Use C for the default configuration in the libtool script
tagname=
AC_LIBTOOL_LANG_C_CONFIG
_LT_AC_TAGCONFIG
])# AC_LIBTOOL_SETUP
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# _LT_AC_SYS_COMPILER
# -------------------
AC_DEFUN([_LT_AC_SYS_COMPILER],
[AC_REQUIRE([AC_PROG_CC])dnl
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# If no C compiler was specified, use CC.
LTCC=${LTCC-"$CC"}
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# Allow CC to be a program name with arguments.
compiler=$CC
])# _LT_AC_SYS_COMPILER


# _LT_AC_SYS_LIBPATH_AIX
# ----------------------
# Links a minimal program and checks the executable
# for the system default hardcoded library path. In most cases,
# this is /usr/lib:/lib, but when the MPI compilers are used
# the location of the communication and MPI libs are included too.
# If we don't find anything, use the default library path according
# to the aix ld manual.
AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX],
[AC_LINK_IFELSE(AC_LANG_PROGRAM,[
aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
}'`
# Check for a 64-bit object if we didn't find anything.
if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
}'`; fi],[])
if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
])# _LT_AC_SYS_LIBPATH_AIX


# _LT_AC_SHELL_INIT(ARG)
# ----------------------
AC_DEFUN([_LT_AC_SHELL_INIT],
[ifdef([AC_DIVERSION_NOTICE],
	     [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
	 [AC_DIVERT_PUSH(NOTICE)])
$1
AC_DIVERT_POP
])# _LT_AC_SHELL_INIT
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# _LT_AC_PROG_ECHO_BACKSLASH
# --------------------------
# Add some code to the start of the generated configure script which
# will find an echo command which doesn't interpret backslashes.
AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH],
[_LT_AC_SHELL_INIT([
# Check that we are running under the correct shell.
SHELL=${CONFIG_SHELL-/bin/sh}
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case X$ECHO in
X*--fallback-echo)
  # Remove one level of quotation (which was required for Make).
  ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','`
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  ;;
esac

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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 ${1+"[$]@"}
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fi

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if test "X[$]1" = X--fallback-echo; then
  # used as fallback echo
  shift
  cat <<EOF
[$]*
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EOF
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  exit 0
fi
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# The HP-UX ksh and POSIX shell print the target directory to stdout
# if CDPATH is set.
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(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
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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$echo_test_string") 2>/dev/null
    then
      break
    fi
  done
fi
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if test "X`($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.

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  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
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  for dir in $PATH /usr/ucb; do
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    IFS="$lt_save_ifs"
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    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
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  IFS="$lt_save_ifs"
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  if test "X$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)
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])])# _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
  ;;
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" | $SED \
   -e 's:.*FLAGS}? :&$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
     if test ! -s conftest.err; 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 compiler 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
     else
       $2=yes
     fi
   fi
   $rm conftest*
   LDFLAGS="$save_LDFLAGS"
])

if test x"[$]$2" = xyes; then
    ifelse([$4], , :, [$4])
else
    ifelse([$5], , :, [$5])
fi
])# AC_LIBTOOL_LINKER_OPTION


# AC_LIBTOOL_SYS_MAX_CMD_LEN
# --------------------------
AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN],
[# find the maximum length of command line arguments
AC_MSG_CHECKING([the maximum length of command line arguments])
AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
  i=0
646
  teststring="ABCD"
647
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649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680

  case $build_os in
  msdosdjgpp*)
    # On DJGPP, this test can blow up pretty badly due to problems in libc
    # (any single argument exceeding 2000 bytes causes a buffer overrun
    # during glob expansion).  Even if it were fixed, the result of this
    # check would be larger than it should be.
    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
    ;;

  gnu*)
    # Under GNU Hurd, this test is not required because there is
    # no limit to the length of command line arguments.
    # Libtool will interpret -1 as no limit whatsoever
    lt_cv_sys_max_cmd_len=-1;
    ;;

  cygwin* | mingw*)
    # On Win9x/ME, this test blows up -- it succeeds, but takes
    # about 5 minutes as the teststring grows exponentially.
    # Worse, since 9x/ME are not pre-emptively multitasking,
    # you end up with a "frozen" computer, even though with patience
    # the test eventually succeeds (with a max line length of 256k).
    # Instead, let's just punt: use the minimum linelength reported by
    # all of the supported platforms: 8192 (on NT/2K/XP).
    lt_cv_sys_max_cmd_len=8192;
    ;;

  amigaos*)
    # On AmigaOS with pdksh, this test takes hours, literally.
    # So we just punt and use a minimum line length of 8192.
    lt_cv_sys_max_cmd_len=8192;
    ;;

681
682
683
684
685
686
687
688
689
690
691
692
693
  netbsd* | freebsd* | openbsd* | darwin* )
    # This has been around since 386BSD, at least.  Likely further.
    if test -x /sbin/sysctl; then
      lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax`
    elif test -x /usr/sbin/sysctl; then
      lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax`
    else
      lt_cv_sys_max_cmd_len=65536 # usable default for *BSD
    fi
    # And add a safety zone
    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4`
    ;;

694
695
696
697
 *)
    # If test is not a shell built-in, we'll probably end up computing a
    # maximum length that is only half of the actual maximum length, but
    # we can't tell.
698
699
700
701
    SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}}
    while (test "X"`$SHELL [$]0 --fallback-echo "X$teststring" 2>/dev/null` \
	       = "XX$teststring") >/dev/null 2>&1 &&
	    new_result=`expr "X$teststring" : ".*" 2>&1` &&
702
703
704
705
	    lt_cv_sys_max_cmd_len=$new_result &&
	    test $i != 17 # 1/2 MB should be enough
    do
      i=`expr $i + 1`
706
      teststring=$teststring$teststring
707
    done
708
    teststring=
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
    # Add a significant safety factor because C++ compilers can tack on massive
    # amounts of additional arguments before passing them to the linker.
    # It appears as though 1/2 is a usable value.
    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
    ;;
  esac
])
if test -n $lt_cv_sys_max_cmd_len ; then
  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
else
  AC_MSG_RESULT(none)
fi
])# AC_LIBTOOL_SYS_MAX_CMD_LEN


# _LT_AC_CHECK_DLFCN
# --------------------
AC_DEFUN([_LT_AC_CHECK_DLFCN],
[AC_CHECK_HEADERS(dlfcn.h)dnl
])# _LT_AC_CHECK_DLFCN

730
731
732
733

# _LT_AC_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
#                           ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
# ------------------------------------------------------------------
734
735
736
AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF],
[AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
if test "$cross_compiling" = yes; then :
737
738
739
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741
742
743
744
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749
750
751
752
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800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
  [$4]
else
  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
  lt_status=$lt_dlunknown
  cat > conftest.$ac_ext <<EOF
[#line __oline__ "configure"
#include "confdefs.h"

#if HAVE_DLFCN_H
#include <dlfcn.h>
#endif

#include <stdio.h>

#ifdef RTLD_GLOBAL
#  define LT_DLGLOBAL		RTLD_GLOBAL
#else
#  ifdef DL_GLOBAL
#    define LT_DLGLOBAL		DL_GLOBAL
#  else
#    define LT_DLGLOBAL		0
#  endif
#endif

/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
   find out it does not work in some platform. */
#ifndef LT_DLLAZY_OR_NOW
#  ifdef RTLD_LAZY
#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
#  else
#    ifdef DL_LAZY
#      define LT_DLLAZY_OR_NOW		DL_LAZY
#    else
#      ifdef RTLD_NOW
#        define LT_DLLAZY_OR_NOW	RTLD_NOW
#      else
#        ifdef DL_NOW
#          define LT_DLLAZY_OR_NOW	DL_NOW
#        else
#          define LT_DLLAZY_OR_NOW	0
#        endif
#      endif
#    endif
#  endif
#endif

#ifdef __cplusplus
extern "C" void exit (int);
#endif

void fnord() { int i=42;}
int main ()
{
  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
  int status = $lt_dlunknown;

  if (self)
    {
      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
      else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
      /* dlclose (self); */
    }

    exit (status);
}]
EOF
  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
    (./conftest; exit; ) 2>/dev/null
    lt_status=$?
    case x$lt_status in
      x$lt_dlno_uscore) $1 ;;
      x$lt_dlneed_uscore) $2 ;;
      x$lt_unknown|x*) $3 ;;
    esac
  else :
    # compilation failed
    $3
  fi
fi
rm -fr conftest*
])# _LT_AC_TRY_DLOPEN_SELF

819

820
821
# AC_LIBTOOL_DLOPEN_SELF
# -------------------
822
823
824
AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF],
[AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
if test "x$enable_dlopen" != xyes; then
825
826
827
828
829
830
831
832
833
834
835
836
837
838
  enable_dlopen=unknown
  enable_dlopen_self=unknown
  enable_dlopen_self_static=unknown
else
  lt_cv_dlopen=no
  lt_cv_dlopen_libs=

  case $host_os in
  beos*)
    lt_cv_dlopen="load_add_on"
    lt_cv_dlopen_libs=
    lt_cv_dlopen_self=yes
    ;;

839
  mingw* | pw32*)
840
841
842
843
    lt_cv_dlopen="LoadLibrary"
    lt_cv_dlopen_libs=
   ;;

844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
  cygwin*)
    lt_cv_dlopen="dlopen"
    lt_cv_dlopen_libs=
   ;;

  darwin*)
  # if libdl is installed we need to link against it
    AC_CHECK_LIB([dl], [dlopen],
		[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[
    lt_cv_dlopen="dyld"
    lt_cv_dlopen_libs=
    lt_cv_dlopen_self=yes
    ])
   ;;

859
  *)
860
861
862
863
864
865
866
867
868
869
870
871
872
    AC_CHECK_FUNC([shl_load],
	  [lt_cv_dlopen="shl_load"],
      [AC_CHECK_LIB([dld], [shl_load],
	    [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-dld"],
	[AC_CHECK_FUNC([dlopen],
	      [lt_cv_dlopen="dlopen"],
	  [AC_CHECK_LIB([dl], [dlopen],
		[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
	    [AC_CHECK_LIB([svld], [dlopen],
		  [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
	      [AC_CHECK_LIB([dld], [dld_link],
		    [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-dld"])
	      ])
873
	    ])
874
875
	  ])
	])
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
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905
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917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
      ])
    ;;
  esac

  if test "x$lt_cv_dlopen" != xno; then
    enable_dlopen=yes
  else
    enable_dlopen=no
  fi

  case $lt_cv_dlopen in
  dlopen)
    save_CPPFLAGS="$CPPFLAGS"
    test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"

    save_LDFLAGS="$LDFLAGS"
    eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"

    save_LIBS="$LIBS"
    LIBS="$lt_cv_dlopen_libs $LIBS"

    AC_CACHE_CHECK([whether a program can dlopen itself],
	  lt_cv_dlopen_self, [dnl
	  _LT_AC_TRY_DLOPEN_SELF(
	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
    ])

    if test "x$lt_cv_dlopen_self" = xyes; then
      LDFLAGS="$LDFLAGS $link_static_flag"
      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
    	  lt_cv_dlopen_self_static, [dnl
	  _LT_AC_TRY_DLOPEN_SELF(
	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
      ])
    fi

    CPPFLAGS="$save_CPPFLAGS"
    LDFLAGS="$save_LDFLAGS"
    LIBS="$save_LIBS"
    ;;
  esac

  case $lt_cv_dlopen_self in
  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
  *) enable_dlopen_self=unknown ;;
  esac

  case $lt_cv_dlopen_self_static in
  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
  *) enable_dlopen_self_static=unknown ;;
  esac
fi
])# AC_LIBTOOL_DLOPEN_SELF


933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
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963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
# AC_LIBTOOL_PROG_CC_C_O([TAGNAME])
# ---------------------------------
# Check to see if options -c and -o are simultaneously supported by compiler
AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O],
[AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
  [_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
  [_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
   $rm -r conftest 2>/dev/null
   mkdir conftest
   cd conftest
   mkdir out
   printf "$lt_simple_compile_test_code" > conftest.$ac_ext

   lt_compiler_flag="-o out/conftest2.$ac_objext"
   # Insert the option either (1) after the last *FLAGS variable, or
   # (2) before a word containing "conftest.", or (3) at the end.
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}? :&$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>out/conftest.err)
   ac_status=$?
   cat out/conftest.err >&AS_MESSAGE_LOG_FD
   echo "$as_me:__oline__: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
   if (exit $ac_status) && test -s out/conftest2.$ac_objext
   then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings
     if test ! -s out/conftest.err; then
       _LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
     fi
   fi
   chmod u+w .
   $rm conftest*
   # SGI C++ compiler will create directory out/ii_files/ for
   # template instantiation
   test -d out/ii_files && $rm out/ii_files/* && rmdir out/ii_files
   $rm out/* && rmdir out
   cd ..
   rmdir conftest
   $rm conftest*
])
])# AC_LIBTOOL_PROG_CC_C_O
980
981


982
983
984
985
986
# AC_LIBTOOL_SYS_HARD_LINK_LOCKS([TAGNAME])
# -----------------------------------------
# Check to see if we can do hard links to lock some files if needed
AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS],
[AC_REQUIRE([_LT_AC_LOCK])dnl
987

988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
hard_links="nottested"
if test "$_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then
  # do not overwrite the value of need_locks provided by the user
  AC_MSG_CHECKING([if we can lock with hard links])
  hard_links=yes
  $rm conftest*
  ln conftest.a conftest.b 2>/dev/null && hard_links=no
  touch conftest.a
  ln conftest.a conftest.b 2>&5 || hard_links=no
  ln conftest.a conftest.b 2>/dev/null && hard_links=no
  AC_MSG_RESULT([$hard_links])
  if test "$hard_links" = no; then
    AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe])
    need_locks=warn
1002
  fi
1003
1004
else
  need_locks=no
1005
fi
1006
])# AC_LIBTOOL_SYS_HARD_LINK_LOCKS
1007
1008


1009
1010
1011
1012
1013
# AC_LIBTOOL_OBJDIR
# -----------------
AC_DEFUN([AC_LIBTOOL_OBJDIR],
[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
[rm -f .libs 2>/dev/null
1014
1015
mkdir .libs 2>/dev/null
if test -d .libs; then
1016
  lt_cv_objdir=.libs
1017
1018
else
  # MS-DOS does not allow filenames that begin with a dot.
1019
  lt_cv_objdir=_libs
1020
fi
1021
1022
1023
rmdir .libs 2>/dev/null])
objdir=$lt_cv_objdir
])# AC_LIBTOOL_OBJDIR
1024
1025


1026
1027
1028
1029
1030
1031
1032
# AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH([TAGNAME])
# ----------------------------------------------
# Check hardcoding attributes.
AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH],
[AC_MSG_CHECKING([how to hardcode library paths into programs])
_LT_AC_TAGVAR(hardcode_action, $1)=
if test -n "$_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)" || \
1033
1034
   test -n "$_LT_AC_TAGVAR(runpath_var, $1)" || \
   test "X$_LT_AC_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then
1035

1036
1037
1038
1039
1040
1041
1042
1043
1044
  # We can hardcode non-existant directories.
  if test "$_LT_AC_TAGVAR(hardcode_direct, $1)" != no &&
     # If the only mechanism to avoid hardcoding is shlibpath_var, we
     # have to relink, otherwise we might link with an installed library
     # when we should be linking with a yet-to-be-installed one
     ## test "$_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)" != no &&
     test "$_LT_AC_TAGVAR(hardcode_minus_L, $1)" != no; then
    # Linking always hardcodes the temporary library directory.
    _LT_AC_TAGVAR(hardcode_action, $1)=relink
1045
  else
1046
1047
    # We can link without hardcoding, and we can hardcode nonexisting dirs.
    _LT_AC_TAGVAR(hardcode_action, $1)=immediate
1048
1049
  fi
else
1050
1051
1052
  # We cannot hardcode anything, or else we can only hardcode existing
  # directories.
  _LT_AC_TAGVAR(hardcode_action, $1)=unsupported
1053
fi
1054
AC_MSG_RESULT([$_LT_AC_TAGVAR(hardcode_action, $1)])
1055

1056
1057
1058
1059
1060
1061
1062
if test "$_LT_AC_TAGVAR(hardcode_action, $1)" = relink; then
  # Fast installation is not supported
  enable_fast_install=no
elif test "$shlibpath_overrides_runpath" = yes ||
     test "$enable_shared" = no; then
  # Fast installation is not necessary
  enable_fast_install=needless
1063
fi
1064
])# AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH
1065
1066


1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
# AC_LIBTOOL_SYS_LIB_STRIP
# ------------------------
AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP],
[striplib=
old_striplib=
AC_MSG_CHECKING([whether stripping libraries is possible])
if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then
  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
  AC_MSG_RESULT([yes])
1077
else
1078
1079
1080
1081
1082
1083
1084
1085
# FIXME - insert some real tests, host_os isn't really good enough
  case $host_os in
   darwin*)
       if test -n "$STRIP" ; then
         striplib="$STRIP -x"
         AC_MSG_RESULT([yes])
       else
  AC_MSG_RESULT([no])
1086
fi
1087
1088
1089
1090
1091
       ;;
   *)
  AC_MSG_RESULT([no])
    ;;
  esac
1092
fi
1093
])# AC_LIBTOOL_SYS_LIB_STRIP
1094
1095


1096
1097
1098
1099
1100
1101
1102
1103
# AC_LIBTOOL_SYS_DYNAMIC_LINKER
# -----------------------------
# PORTME Fill in your ld.so characteristics
AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER],
[AC_MSG_CHECKING([dynamic linker characteristics])
library_names_spec=
libname_spec='lib$name'
soname_spec=
1104
shrext_cmds=".so"
1105
1106
1107
1108
1109
1110
1111
1112
1113
postinstall_cmds=
postuninstall_cmds=
finish_cmds=
finish_eval=
shlibpath_var=
shlibpath_overrides_runpath=unknown
version_type=none
dynamic_linker="$host_os ld.so"
sys_lib_dlsearch_path_spec="/lib /usr/lib"
1114
if test "$GCC" = yes; then
1115
1116
1117
1118
1119
1120
1121
  sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
  if echo "$sys_lib_search_path_spec" | grep ';' >/dev/null ; then
    # if the path contains ";" then we assume it to be the separator
    # otherwise default to the standard path separator (i.e. ":") - it is
    # assumed that no part of a normal pathname contains ";" but that should
    # okay in the real world where ";" in dirpaths is itself problematic.
    sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
1122
  else
1123
    sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
1124
  fi
1125
1126
else
  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1127
1128
fi
need_lib_prefix=unknown
1129
1130
hardcode_into_libs=no

1131
1132
# when you set need_version to no, make sure it does not cause -set_version
# flags to be left without arguments
1133
need_version=unknown
1134
1135

case $host_os in
1136
1137
1138
1139
1140
1141
1142
aix3*)
  version_type=linux
  library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a'
  shlibpath_var=LIBPATH

  # AIX 3 has no versioning support, so we append a major version to the name.
  soname_spec='${libname}${release}${shared_ext}$major'
1143
1144
  ;;

1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
aix4* | aix5*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  hardcode_into_libs=yes
  if test "$host_cpu" = ia64; then
    # AIX 5 supports IA64
    library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}'
    shlibpath_var=LD_LIBRARY_PATH
  else
    # With GCC up to 2.95.x, collect2 would create an import file
    # for dependence libraries.  The import file would start with
    # the line `#! .'.  This would cause the generated library to
    # depend on `.', always an invalid library.  This was fixed in
    # development snapshots of GCC prior to 3.0.
1160
    case $host_os in
1161
1162
1163
1164
1165
1166
1167
1168
      aix4 | aix4.[[01]] | aix4.[[01]].*)
      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
	   echo ' yes '
	   echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then
	:
      else
	can_build_shared=no
      fi
1169
1170
      ;;
    esac
1171
1172
1173
1174
1175
1176
1177
1178
    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
    # soname into executable. Probably we can add versioning support to
    # collect2, so additional links can be useful in future.
    if test "$aix_use_runtimelinking" = yes; then
      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
      # instead of lib<name>.a to let people know that these are not
      # typical AIX shared libraries.
      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
1179
    else
1180
1181
1182
1183
      # We preserve .a as extension for shared libraries through AIX4.2
      # and later when we are not doing run time linking.
      library_names_spec='${libname}${release}.a $libname.a'
      soname_spec='${libname}${release}${shared_ext}$major'
1184
    fi
1185
1186
1187
    shlibpath_var=LIBPATH
  fi
  ;;
1188

1189
1190
1191
1192
1193
amigaos*)
  library_names_spec='$libname.ixlibrary $libname.a'
  # Create ${libname}_ixlibrary.a entries in /sys/libs.
  finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done'
  ;;
1194

1195
1196
1197
1198
1199
beos*)
  library_names_spec='${libname}${shared_ext}'
  dynamic_linker="$host_os ld.so"
  shlibpath_var=LIBRARY_PATH
  ;;
1200

1201
bsdi[[45]]*)
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
  version_type=linux
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
  # the default ld.so.conf also contains /usr/contrib/lib and
  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
  # libtool to hard-code these into programs
  ;;
1214

1215
1216
cygwin* | mingw* | pw32*)
  version_type=windows
1217
  shrext_cmds=".dll"
1218
1219
  need_version=no
  need_lib_prefix=no
1220

1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
  case $GCC,$host_os in
  yes,cygwin* | yes,mingw* | yes,pw32*)
    library_names_spec='$libname.dll.a'
    # DLL is installed to $(libdir)/../bin by postinstall_cmds
    postinstall_cmds='base_file=`basename \${file}`~
      dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i;echo \$dlname'\''`~
      dldir=$destdir/`dirname \$dlpath`~
      test -d \$dldir || mkdir -p \$dldir~
      $install_prog $dir/$dlname \$dldir/$dlname'
    postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~
      dlpath=$dir/\$dldll~
       $rm \$dlpath'
    shlibpath_overrides_runpath=yes
1234
1235

    case $host_os in
1236
1237
1238
1239
    cygwin*)
      # Cygwin DLLs use 'cyg' prefix rather than 'lib'
      soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
      sys_lib_search_path_spec="/usr/lib /lib/w32api /lib /usr/local/lib"
1240
      ;;
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
    mingw*)
      # MinGW DLLs use traditional 'lib' prefix
      soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}'
      sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | $SED -e "s/^libraries://" -e "s,=/,/,g"`
      if echo "$sys_lib_search_path_spec" | [grep ';[c-zC-Z]:/' >/dev/null]; then
        # It is most probably a Windows format PATH printed by
        # mingw gcc, but we are running on Cygwin. Gcc prints its search
        # path with ; separators, and with drive letters. We can handle the
        # drive letters (cygwin fileutils understands them), so leave them,
        # especially as we might pass files found there to a mingw objdump,
        # which wouldn't understand a cygwinified path. Ahh.
        sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'`
1253
      else
1254
        sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | $SED  -e "s/$PATH_SEPARATOR/ /g"`
1255
1256
      fi
      ;;
1257
1258
1259
1260
    pw32*)
      # pw32 DLLs use 'pw' prefix rather than 'lib'
      library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}'
      ;;
1261
1262
1263
    esac
    ;;

1264
1265
1266
1267
1268
1269
1270
1271
  *)
    library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib'
    ;;
  esac
  dynamic_linker='Win32 ld.exe'
  # FIXME: first we should search . and the directory the executable is in
  shlibpath_var=PATH
  ;;
1272

1273
1274
1275
1276
1277
1278
1279
1280
1281
darwin* | rhapsody*)
  dynamic_linker="$host_os dyld"
  version_type=darwin
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${versuffix}$shared_ext ${libname}${release}${major}$shared_ext ${libname}$shared_ext'
  soname_spec='${libname}${release}${major}$shared_ext'
  shlibpath_overrides_runpath=yes
  shlibpath_var=DYLD_LIBRARY_PATH
1282
  shrext_cmds='$(test .$module = .yes && echo .so || echo .dylib)'
1283
1284
1285
1286
1287
1288
1289
1290
  # Apple's gcc prints 'gcc -print-search-dirs' doesn't operate the same.
  if test "$GCC" = yes; then
    sys_lib_search_path_spec=`$CC -print-search-dirs | tr "\n" "$PATH_SEPARATOR" | sed -e 's/libraries:/@libraries:/' | tr "@" "\n" | grep "^libraries:" | sed -e "s/^libraries://" -e "s,=/,/,g" -e "s,$PATH_SEPARATOR, ,g" -e "s,.*,& /lib /usr/lib /usr/local/lib,g"`
  else
    sys_lib_search_path_spec='/lib /usr/lib /usr/local/lib'
  fi
  sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib'
  ;;
1291

1292
1293
1294
1295
1296
1297
1298
1299
dgux*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  ;;
1300

1301
1302
1303
freebsd1*)
  dynamic_linker=no
  ;;
1304

1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
kfreebsd*-gnu)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=no
  hardcode_into_libs=yes
  dynamic_linker='GNU ld.so'
  ;;
1316

1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
freebsd*)
  objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
  version_type=freebsd-$objformat
  case $version_type in
    freebsd-elf*)
      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}'
      need_version=no
      need_lib_prefix=no
      ;;
    freebsd-*)
      library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix'
      need_version=yes
      ;;
  esac
  shlibpath_var=LD_LIBRARY_PATH
  case $host_os in
1333
  freebsd2*)
1334
    shlibpath_overrides_runpath=yes
1335
    ;;
1336
1337
1338
  freebsd3.[01]* | freebsdelf3.[01]*)
    shlibpath_overrides_runpath=yes
    hardcode_into_libs=yes
1339
    ;;
1340
1341
1342
  *) # from 3.2 on
    shlibpath_overrides_runpath=no
    hardcode_into_libs=yes
1343
    ;;
1344
1345
  esac
  ;;
1346

1347
1348
1349
1350
1351
1352
1353
1354
1355
gnu*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  hardcode_into_libs=yes
  ;;
1356

1357
1358
1359
1360
1361
1362
1363
1364
hpux9* | hpux10* | hpux11*)
  # Give a soname corresponding to the major version so that dld.sl refuses to
  # link against other versions.
  version_type=sunos
  need_lib_prefix=no
  need_version=no
  case "$host_cpu" in
  ia64*)
1365
    shrext_cmds='.so'
1366
1367
1368
1369
1370
1371
1372
1373
    hardcode_into_libs=yes
    dynamic_linker="$host_os dld.so"
    shlibpath_var=LD_LIBRARY_PATH
    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
    soname_spec='${libname}${release}${shared_ext}$major'
    if test "X$HPUX_IA64_MODE" = X32; then
      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
1374
    else
1375
      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
1376
    fi
1377
    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
1378
    ;;
1379
   hppa*64*)
1380
     shrext_cmds='.sl'
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
     hardcode_into_libs=yes
     dynamic_linker="$host_os dld.sl"
     shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
     shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
     library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
     soname_spec='${libname}${release}${shared_ext}$major'
     sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64"
     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
     ;;
   *)
1391
    shrext_cmds='.sl'
1392
1393
1394
1395
1396
    dynamic_linker="$host_os dld.sl"
    shlibpath_var=SHLIB_PATH
    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
    soname_spec='${libname}${release}${shared_ext}$major'
1397
    ;;
1398
1399
1400
1401
  esac
  # HP-UX runs *really* slowly unless shared libraries are mode 555.
  postinstall_cmds='chmod 555 $lib'
  ;;
1402

1403
irix5* | irix6* | nonstopux*)
1404
  case $host_os in
1405
1406
1407
1408
1409
1410
1411
    nonstopux*) version_type=nonstopux ;;
    *)
	if test "$lt_cv_prog_gnu_ld" = yes; then
		version_type=linux
	else
		version_type=irix
	fi ;;
1412
1413
1414
  esac
  need_lib_prefix=no
  need_version=no
1415
1416
  soname_spec='${libname}${release}${shared_ext}$major'
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}'
1417
  case $host_os in
1418
  irix5* | nonstopux*)
1419
1420
1421
1422
    libsuff= shlibsuff=
    ;;
  *)
    case $LD in # libtool.m4 will add one of these switches to LD
1423
1424
1425
1426
1427
1428
    *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ")
      libsuff= shlibsuff= libmagic=32-bit;;
    *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ")
      libsuff=32 shlibsuff=N32 libmagic=N32;;
    *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ")
      libsuff=64 shlibsuff=64 libmagic=64-bit;;
1429
1430
1431
1432
1433
1434
1435
1436
    *) libsuff= shlibsuff= libmagic=never-match;;
    esac
    ;;
  esac
  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
  shlibpath_overrides_runpath=no
  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
1437
  hardcode_into_libs=yes
1438
1439
1440
  ;;

# No shared lib support for Linux oldld, aout, or coff.
1441
linux*oldld* | linux*aout* | linux*coff*)
1442
1443
1444
1445
  dynamic_linker=no
  ;;

# This must be Linux ELF.
1446
linux*)
1447
1448
1449
  version_type=linux
  need_lib_prefix=no
  need_version=no
1450
1451
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
1452
1453
1454
1455
1456
1457
1458
1459
  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=no
  # This implies no fast_install, which is unacceptable.
  # Some rework will be needed to allow for fast_install
  # before this can be enabled.
  hardcode_into_libs=yes

1460
1461
  # Append ld.so.conf contents to the search path
  if test -f /etc/ld.so.conf; then
1462
1463
    lt_ld_extra=`$SED -e 's/[:,\t]/ /g;s/=[^=]*$//;s/=[^= ]* / /g' /etc/ld.so.conf | tr '\n' ' '`
    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
1464
1465
  fi

1466
1467
1468
1469
1470
1471
1472
1473
1474
  # We used to test for /lib/ld.so.1 and disable shared libraries on
  # powerpc, because MkLinux only supported shared libraries with the
  # GNU dynamic linker.  Since this was broken with cross compilers,
  # most powerpc-linux boxes support dynamic linking these days and
  # people can always --disable-shared, the test was removed, and we
  # assume the GNU/Linux dynamic linker is in use.
  dynamic_linker='GNU/Linux ld.so'
  ;;

1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
knetbsd*-gnu)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=no
  hardcode_into_libs=yes
  dynamic_linker='GNU ld.so'
  ;;

1487
1488
1489
1490
1491
netbsd*)
  version_type=sunos
  need_lib_prefix=no
  need_version=no
  if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1492
    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
1493
1494
1495
    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
    dynamic_linker='NetBSD (a.out) ld.so'
  else
1496
1497
    library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
    soname_spec='${libname}${release}${shared_ext}$major'
1498
1499
1500
1501
1502
1503
1504
1505
1506
    dynamic_linker='NetBSD ld.elf_so'
  fi
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  hardcode_into_libs=yes
  ;;

newsos6)
  version_type=linux
1507
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
1508
1509
1510
1511
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  ;;

1512
1513
1514
1515
1516
1517
nto-qnx*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
1518
  shlibpath_var=LD_LIBRARY_PATH
1519
1520
1521
1522
1523
1524
  shlibpath_overrides_runpath=yes
  ;;

openbsd*)
  version_type=sunos
  need_lib_prefix=no
1525
  need_version=no
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
    case $host_os in
      openbsd2.[[89]] | openbsd2.[[89]].*)
	shlibpath_overrides_runpath=no
	;;
      *)
	shlibpath_overrides_runpath=yes
	;;
      esac
  else
    shlibpath_overrides_runpath=yes
  fi
1541
1542
1543
1544
  ;;

os2*)
  libname_spec='$name'
1545
  shrext_cmds=".dll"
1546
  need_lib_prefix=no
1547
  library_names_spec='$libname${shared_ext} $libname.a'
1548
1549
1550
1551
1552
1553
  dynamic_linker='OS/2 ld.exe'
  shlibpath_var=LIBPATH
  ;;

osf3* | osf4* | osf5*)
  version_type=osf
1554
  need_lib_prefix=no
1555
  need_version=no
1556
1557
  soname_spec='${libname}${release}${shared_ext}$major'
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
1558
1559
1560
1561
1562
1563
1564
  shlibpath_var=LD_LIBRARY_PATH
  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
  ;;

sco3.2v5*)
  version_type=osf
1565
1566
  soname_spec='${libname}${release}${shared_ext}$major'
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
1567
1568
1569
1570
1571
1572
1573
  shlibpath_var=LD_LIBRARY_PATH
  ;;

solaris*)
  version_type=linux
  need_lib_prefix=no
  need_version=no
1574
1575
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
1576
1577
1578
1579
1580
1581
1582
1583
1584
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  hardcode_into_libs=yes
  # ldd complains unless libraries are executable
  postinstall_cmds='chmod +x $lib'
  ;;

sunos4*)
  version_type=sunos
1585
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix'
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
  shlibpath_var=LD_LIBRARY_PATH
  shlibpath_overrides_runpath=yes
  if test "$with_gnu_ld" = yes; then
    need_lib_prefix=no
  fi
  need_version=yes
  ;;

sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
  version_type=linux
1597
1598
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
1599
1600
1601
1602
  shlibpath_var=LD_LIBRARY_PATH
  case $host_vendor in
    sni)
      shlibpath_overrides_runpath=no
1603
1604
1605
1606
1607
1608
      need_lib_prefix=no
      export_dynamic_flag_spec='${wl}-Blargedynsym'
      runpath_var=LD_RUN_PATH
      ;;
    siemens)
      need_lib_prefix=no
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
      ;;
    motorola)
      need_lib_prefix=no
      need_version=no
      shlibpath_overrides_runpath=no
      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
      ;;
  esac
  ;;

sysv4*MP*)
  if test -d /usr/nec ;then
    version_type=linux
1622
1623
    library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}'
    soname_spec='$libname${shared_ext}.$major'
1624
1625
1626
1627
    shlibpath_var=LD_LIBRARY_PATH
  fi
  ;;

1628
1629
1630
1631
1632
1633
1634
uts4*)
  version_type=linux
  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
  soname_spec='${libname}${release}${shared_ext}$major'
  shlibpath_var=LD_LIBRARY_PATH
  ;;

1635
1636
1637
1638
1639
1640
*)
  dynamic_linker=no
  ;;
esac
AC_MSG_RESULT([$dynamic_linker])
test "$dynamic_linker" = no && can_build_shared=no
1641
])# AC_LIBTOOL_SYS_DYNAMIC_LINKER
1642
1643


1644
1645
1646
1647
1648
1649
1650
# _LT_AC_TAGCONFIG
# ----------------
AC_DEFUN([_LT_AC_TAGCONFIG],
[AC_ARG_WITH([tags],
    [AC_HELP_STRING([--with-tags@<:@=TAGS@:>@],
        [include additional configurations @<:@automatic@:>@])],
    [tagnames="$withval"])
1651

1652
1653
1654
1655
if test -f "$ltmain" && test -n "$tagnames"; then
  if test ! -f "${ofile}"; then
    AC_MSG_WARN([output file `$ofile' does not exist])
  fi
1656

1657
1658
1659
1660
  if test -z "$LTCC"; then
    eval "`$SHELL ${ofile} --config | grep '^LTCC='`"
    if test -z "$LTCC"; then
      AC_MSG_WARN([output file `$ofile' does not look like a libtool script])
1661
    else
1662
1663
1664
      AC_MSG_WARN([using `LTCC=$LTCC', extracted from `$ofile'])
    fi
  fi
1665

1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
  # Extract list of available tagged configurations in $ofile.
  # Note that this assumes the entire list is on one line.
  available_tags=`grep "^available_tags=" "${ofile}" | $SED -e 's/available_tags=\(.*$\)/\1/' -e 's/\"//g'`

  lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
  for tagname in $tagnames; do
    IFS="$lt_save_ifs"
    # Check whether tagname contains only valid characters
    case `$echo "X$tagname" | $Xsed -e 's:[[-_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890,/]]::g'` in
    "") ;;
    *)  AC_MSG_ERROR([invalid tag name: $tagname])
	;;
1678
1679
    esac

1680
1681
1682
1683
    if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "${ofile}" > /dev/null
    then
      AC_MSG_ERROR([tag name \"$tagname\" already exists])
    fi
1684

1685
1686
1687
    # Update the list of available tags.
    if test -n "$tagname"; then
      echo appending configuration tag \"$tagname\" to $ofile
1688

1689
1690
      case $tagname in
      CXX)
1691
1692
1693
	if test -n "$CXX" && ( test "X$CXX" != "Xno" &&
	    ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) || 
	    (test "X$CXX" != "Xg++"))) ; then
1694
1695
1696
1697
1698
	  AC_LIBTOOL_LANG_CXX_CONFIG
	else
	  tagname=""
	fi
	;;
1699

1700
1701
1702
1703
1704
1705
1706
      F77)
	if test -n "$F77" && test "X$F77" != "Xno"; then
	  AC_LIBTOOL_LANG_F77_CONFIG
	else
	  tagname=""
	fi
	;;
1707

1708
1709
1710
1711
1712
1713
1714
      GCJ)
	if test -n "$GCJ" && test "X$GCJ" != "Xno"; then
	  AC_LIBTOOL_LANG_GCJ_CONFIG
	else
	  tagname=""
	fi
	;;
1715

1716
1717
1718
      RC)
	AC_LIBTOOL_LANG_RC_CONFIG
	;;
1719

1720
1721
1722
1723
      *)
	AC_MSG_ERROR([Unsupported tag name: $tagname])
	;;
      esac
1724

1725
1726
1727
1728
1729
1730
1731
      # Append the new tag name to the list of available tags.
      if test -n "$tagname" ; then
      available_tags="$available_tags $tagname"
    fi
    fi
  done
  IFS="$lt_save_ifs"
1732

1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
  # Now substitute the updated list of available tags.
  if eval "sed -e 's/^available_tags=.*\$/available_tags=\"$available_tags\"/' \"$ofile\" > \"${ofile}T\""; then
    mv "${ofile}T" "$ofile"
    chmod +x "$ofile"
  else
    rm -f "${ofile}T"
    AC_MSG_ERROR([unable to update list of available tagged configurations.])
  fi
fi
])# _LT_AC_TAGCONFIG
1743
1744


1745
1746
1747
1748
1749
1750
# AC_LIBTOOL_DLOPEN
# -----------------
# enable checks for dlopen support
AC_DEFUN([AC_LIBTOOL_DLOPEN],
 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])
])# AC_LIBTOOL_DLOPEN
1751
1752


1753
1754
1755
1756
1757
1758
# 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_LIBTOOL_WIN32_DLL
1759
1760


1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
# AC_ENABLE_SHARED([DEFAULT])
# ---------------------------
# implement the --enable-shared flag
# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
AC_DEFUN([AC_ENABLE_SHARED],
[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE([shared],
    [AC_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
	[build shared libraries @<:@default=]AC_ENABLE_SHARED_DEFAULT[@:>@])],
    [p=${PACKAGE-default}
    case $enableval in
    yes) enable_shared=yes ;;
    no) enable_shared=no ;;
    *)
      enable_shared=no
      # Look at the argument we got.  We use all the common list separators.
      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
      for pkg in $enableval; do
	IFS="$lt_save_ifs"
	if test "X$pkg" = "X$p"; then
	  enable_shared=yes
	fi
      done
      IFS="$lt_save_ifs"
      ;;
    esac],
    [enable_shared=]AC_ENABLE_SHARED_DEFAULT)
])# AC_ENABLE_SHARED
1789
1790


1791
1792
1793
1794
1795
1796
1797
# 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_DISABLE_SHARED
1798
1799


1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
# AC_ENABLE_STATIC([DEFAULT])
# ---------------------------
# implement the --enable-static flag
# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
AC_DEFUN([AC_ENABLE_STATIC],
[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE([static],
    [AC_HELP_STRING([--enable-static@<:@=PKGS@:>@],
	[build static libraries @<:@default=]AC_ENABLE_STATIC_DEFAULT[@:>@])],
    [p=${PACKAGE-default}
    case $enableval in
    yes) enable_static=yes ;;
    no) enable_static=no ;;
    *)
     enable_static=no
      # Look at the argument we got.  We use all the common list separators.
      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
      for pkg in $enableval; do
	IFS="$lt_save_ifs"
	if test "X$pkg" = "X$p"; then
	  enable_static=yes
	fi
      done
      IFS="$lt_save_ifs"
      ;;
    esac],
    [enable_static=]AC_ENABLE_STATIC_DEFAULT)
])# AC_ENABLE_STATIC
1828
1829


1830
1831
1832
1833
1834
1835
1836
# 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_DISABLE_STATIC
1837
1838


1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
# AC_ENABLE_FAST_INSTALL([DEFAULT])
# ---------------------------------
# implement the --enable-fast-install flag
# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
AC_DEFUN([AC_ENABLE_FAST_INSTALL],
[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
AC_ARG_ENABLE([fast-install],
    [AC_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
    [optimize for fast installation @<:@default=]AC_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
    [p=${PACKAGE-default}
    case $enableval in
    yes) enable_fast_install=yes ;;
    no) enable_fast_install=no ;;
    *)
      enable_fast_install=no
      # Look at the argument we got.  We use all the common list separators.
      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
      for pkg in $enableval; do
	IFS="$lt_save_ifs"
	if test "X$pkg" = "X$p"; then
	  enable_fast_install=yes
	fi
      done
      IFS="$lt_save_ifs"
      ;;
    esac],
    [enable_fast_install=]AC_ENABLE_FAST_INSTALL_DEFAULT)
])# AC_ENABLE_FAST_INSTALL
1867
1868


1869
1870
1871
1872
1873
1874
1875
# AC_DISABLE_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_DISABLE_FAST_INSTALL
1876
1877


1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
# AC_LIBTOOL_PICMODE([MODE])
# --------------------------
# implement the --with-pic flag
# MODE is either `yes' or `no'.  If omitted, it defaults to `both'.
AC_DEFUN([AC_LIBTOOL_PICMODE],
[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
pic_mode=ifelse($#,1,$1,default)
])# AC_LIBTOOL_PICMODE


# AC_PROG_EGREP
# -------------
# This is predefined starting with Autoconf 2.54, so this conditional
# definition can be removed once we require Autoconf 2.54 or later.
m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP],
[AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
   [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
    then ac_cv_prog_egrep='grep -E'
    else ac_cv_prog_egrep='egrep'
    fi])
 EGREP=$ac_cv_prog_egrep
 AC_SUBST([EGREP])
])])
1901
1902


1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
# AC_PATH_TOOL_PREFIX
# -------------------
# find a file program which can recognise shared library
AC_DEFUN([AC_PATH_TOOL_PREFIX],
[AC_REQUIRE([AC_PROG_EGREP])dnl
AC_MSG_CHECKING([for $1])
AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
[case $MAGIC_CMD in
[[\\/*] |  ?:[\\/]*])
  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
  ;;
*)
  lt_save_MAGIC_CMD="$MAGIC_CMD"
  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
dnl $ac_dummy forces splitting on constant user-supplied paths.
dnl POSIX.2 word splitting is done only on the output of word expansions,
dnl not every word.  This closes a longstanding sh security hole.
  ac_dummy="ifelse([$2], , $PATH, [$2])"
  for ac_dir in $ac_dummy; do
    IFS="$lt_save_ifs"
    test -z "$ac_dir" && ac_dir=.
    if test -f $ac_dir/$1; then
      lt_cv_path_MAGIC_CMD="$ac_dir/$1"
      if test -n "$file_magic_test_file"; then
	case $deplibs_check_method in
	"file_magic "*)
	  file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
	    $EGREP "$file_magic_regex" > /dev/null; then
	    :
	  else
	    cat <<EOF 1>&2
1936

1937
1938
1939
1940
1941
1942
1943
1944
*** Warning: the command libtool uses to detect shared libraries,
*** $file_magic_cmd, produces output that libtool cannot recognize.
*** The result is that libtool may fail to recognize shared libraries
*** as such.  This will affect the creation of libtool libraries that
*** depend on shared libraries, but programs linked with such libtool
*** libraries will work regardless of this problem.  Nevertheless, you
*** may want to report the problem to your system manager and/or to
*** bug-libtool@gnu.org
1945

1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
EOF
	  fi ;;
	esac
      fi
      break
    fi
  done
  IFS="$lt_save_ifs"
  MAGIC_CMD="$lt_save_MAGIC_CMD"
  ;;
esac])
MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
if test -n "$MAGIC_CMD"; then
  AC_MSG_RESULT($MAGIC_CMD)
else
  AC_MSG_RESULT(no)
fi
])# AC_PATH_TOOL_PREFIX
1964
1965


1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
# AC_PATH_MAGIC
# -------------
# find a file program which can recognise a shared library
AC_DEFUN([AC_PATH_MAGIC],
[AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
if test -z "$lt_cv_path_MAGIC_CMD"; then
  if test -n "$ac_tool_prefix"; then
    AC_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
  else
    MAGIC_CMD=:
  fi
fi
])# AC_PATH_MAGIC
1979
1980


1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
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2005
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2009
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2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
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# AC_PROG_LD
# ----------
# find the pathname to the GNU or non-GNU linker
AC_DEFUN([AC_PROG_LD],
[AC_ARG_WITH([gnu-ld],
    [AC_HELP_STRING([--with-gnu-ld],
	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
    [test "$withval" = no || with_gnu_ld=yes],
    [with_gnu_ld=no])
AC_REQUIRE([LT_AC_PROG_SED])dnl
AC_REQUIRE([AC_PROG_CC])dnl
AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
ac_prog=ld
if test "$GCC" = yes; then
  # Check if gcc -print-prog-name=ld gives a path.
  AC_MSG_CHECKING([for ld used by $CC])
  case $host in
  *-*-mingw*)
    # gcc leaves a trailing carriage return which upsets mingw
    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
  *)
    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
  esac
  case $ac_prog in
    # Accept absolute paths.
    [[\\/]]* | ?:[[\\/]]*)
      re_direlt='/[[^/]][[^/]]*/\.\./'
      # Canonicalize the pathname 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 "$with_gnu_ld" = yes; then
  AC_MSG_CHECKING([for GNU ld])
else
  AC_MSG_CHECKING([for non-GNU ld])
fi
AC_CACHE_VAL(lt_cv_path_LD,
[if test -z "$LD"; then
  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
  for ac_dir in $PATH; do
    IFS="$lt_save_ifs"
    test -z "$ac_dir" && ac_dir=.
    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
      lt_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.
      case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in
      *GNU* | *'with BFD'*)
	test "$with_gnu_ld" != no && break
	;;
      *)
	test "$with_gnu_ld" != yes && break
	;;
      esac
    fi
  done
  IFS="$lt_save_ifs"
else
  lt_cv_path_LD="$LD" # Let the user override the test with a path.
fi])
LD="$lt_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_PROG_LD
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