# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-## Copyright 1996, 1997, 1998, 1999, 2000, 2001## Free Software Foundation, Inc.## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996#### This program is free software; you can redistribute it and/or modify## it under the terms of the GNU General Public License as published by## the Free Software Foundation; either version 2 of the License, or## (at your option) any later version.#### This program is distributed in the hope that it will be useful, but## WITHOUT ANY WARRANTY; without even the implied warranty of## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU## General Public License for more details.#### You should have received a copy of the GNU General Public License## along with this program; if not, write to the Free Software## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.#### As a special exception to the GNU General Public License, if you## distribute this file as part of a program that contains a## configuration script generated by Autoconf, you may include it under## the same distribution terms that you use for the rest of that program.# serial 47 AC_PROG_LIBTOOL# AC_PROG_LIBTOOL# ---------------AC_DEFUN([AC_PROG_LIBTOOL],[AC_REQUIRE([_AC_PROG_LIBTOOL])dnldnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXXdnl 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 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, rundnl 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],[AC_REQUIRE([AC_LIBTOOL_SETUP])dnlAC_BEFORE([$0],[AC_LIBTOOL_CXX])dnlAC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl# This can be used to rebuild libtool when neededLIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"# Always use our own libtool.LIBTOOL='$(SHELL) $(top_builddir)/libtool --silent'AC_SUBST(LIBTOOL)dnl# Prevent multiple expansiondefine([AC_PROG_LIBTOOL], [])])# _AC_PROG_LIBTOOL# AC_LIBTOOL_SETUP# ----------------AC_DEFUN([AC_LIBTOOL_SETUP],[AC_PREREQ(2.50)dnlAC_REQUIRE([AC_ENABLE_SHARED])dnlAC_REQUIRE([AC_ENABLE_STATIC])dnlAC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnlAC_REQUIRE([AC_CANONICAL_HOST])dnlAC_REQUIRE([AC_CANONICAL_BUILD])dnlAC_REQUIRE([AC_PROG_CC])dnlAC_REQUIRE([AC_PROG_LD])dnlAC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnlAC_REQUIRE([AC_PROG_NM])dnlAC_REQUIRE([LT_AC_PROG_SED])dnlAC_REQUIRE([AC_PROG_LN_S])dnlAC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!AC_REQUIRE([AC_OBJEXT])dnlAC_REQUIRE([AC_EXEEXT])dnldnlAC_LIBTOOL_SYS_MAX_CMD_LENAC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPEAC_LIBTOOL_OBJDIRAC_REQUIRE([_LT_AC_SYS_COMPILER])dnl_LT_AC_PROG_ECHO_BACKSLASHcase $host_os inaix3*)  # AIX sometimes has problems with the GCC collect2 program.  For some  # reason, if we set the COLLECT_NAMES environment variable, the problems  # vanish in a puff of smoke.  if test "X${COLLECT_NAMES+set}" != Xset; then    COLLECT_NAMES=    export COLLECT_NAMES  fi  ;;esac# 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']# Same as above, but do not quote variable references.[double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g']# Sed substitution to delay expansion of an escaped shell variable in a# double_quote_subst'ed string.delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'# Sed substitution to avoid accidental globbing in evaled expressionsno_glob_subst='s/\*/\\\*/g'# Constants:rm="rm -f"# Global variables:default_ofile=libtoolcan_build_shared=yes# All known linkers require a `.a' archive for static linking (except M$VC,# which needs '.lib').libext=altmain="$ac_aux_dir/ltmain.sh"ofile="$default_ofile"with_gnu_ld="$lt_cv_prog_gnu_ld"AC_CHECK_TOOL(RANLIB, ranlib, :)AC_CHECK_TOOL(STRIP, strip, :)old_CC="$CC"old_CFLAGS="$CFLAGS"# Set sane defaults for various variablestest -z "$AR" && AR=artest -z "$AR_FLAGS" && AR_FLAGS=crutest -z "$AS" && AS=astest -z "$CC" && CC=cctest -z "$LTCC" && LTCC=$CCtest -z "$DLLTOOL" && DLLTOOL=dlltooltest -z "$LD" && LD=ldtest -z "$LN_S" && LN_S="ln -s"test -z "$MAGIC_CMD" && MAGIC_CMD=filetest -z "$NM" && NM=nmtest -z "$SED" && SED=sedtest -z "$OBJDUMP" && OBJDUMP=objdumptest -z "$RANLIB" && RANLIB=:test -z "$STRIP" && STRIP=:test -z "$ac_objext" && ac_objext=o# 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~$old_postinstall_cmds"    ;;  esac  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"fi# Only perform the check for file, if the check method requires itcase $deplibs_check_method infile_magic*)  if test "$file_magic_cmd" = '$MAGIC_CMD'; then    AC_PATH_MAGIC  fi  ;;esacifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no)ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],enable_win32_dll=yes, enable_win32_dll=no)AC_ARG_ENABLE([libtool-lock],    [AC_HELP_STRING([--disable-libtool-lock],	[avoid locking (might break parallel builds)])])test "x$enable_libtool_lock" != xno && enable_libtool_lock=yesAC_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# Use C for the default configuration in the libtool scripttagname=AC_LIBTOOL_LANG_C_CONFIG_LT_AC_TAGCONFIG])# AC_LIBTOOL_SETUP# _LT_AC_SYS_COMPILER# -------------------AC_DEFUN([_LT_AC_SYS_COMPILER],[AC_REQUIRE([AC_PROG_CC])dnl# If no C compiler was specified, use CC.LTCC=${LTCC-"$CC"}# Allow CC to be a program name with arguments.set dummy $CCcompiler="[$]2"])# _LT_AC_SYS_COMPILER# _LT_AC_SYS_LIBPATH_AIX# ----------------------# Links a minimal program and checks the executable# for the system default hardcoded library path. 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ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','`  ;;esacecho=${ECHO-echo}if test "X[$]1" = X--no-reexec; then  # Discard the --no-reexec flag, and continue.  shiftelif test "X[$]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 ${1+"[$]@"}fiif test "X[$]1" = X--fallback-echo; then  # used as fallback echo  shift  cat <<EOF[$]*EOF  exit 0fi# The HP-UX ksh and POSIX shell print the target directory to stdout# if CDPATH is set.if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fiif test -z "$ECHO"; thenif 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$echo_test_string") 2>/dev/null    then      break    fi  donefiif test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&   echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&   test "X$echo_testing_string" = "X$echo_test_string"; then  :else  # The Solaris, AIX, and Digital Unix default echo programs unquote  # backslashes.  This makes it impossible to quote backslashes using  #   echo "$something" | sed 's/\\/\\\\/g'  #  # So, first we look for a working echo in the user's PATH.  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR  for dir in $PATH /usr/ucb; do    IFS="$lt_save_ifs"    if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&       test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&       echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&       test "X$echo_testing_string" = "X$echo_test_string"; then      echo="$dir/echo"      break    fi  done  IFS="$lt_save_ifs"  if test "X$echo" = Xecho; then    # We didn't find a better echo, so look for alternatives.    if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&       echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&       test "X$echo_testing_string" = "X$echo_test_string"; then      # This shell has a builtin print -r that does the trick.      echo='print -r'    elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&	 test "X$CONFIG_SHELL" != X/bin/ksh; then      # If we have ksh, try running configure again with it.      ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}      export ORIGINAL_CONFIG_SHELL      CONFIG_SHELL=/bin/ksh      export CONFIG_SHELL      exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}    else      # Try using printf.      echo='printf %s\n'      if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&	 echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&	 test "X$echo_testing_string" = "X$echo_test_string"; then	# Cool, printf works	:      elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&	   test "X$echo_testing_string" = 'X\t' &&	   echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&	   test "X$echo_testing_string" = "X$echo_test_string"; then	CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL	export CONFIG_SHELL	SHELL="$CONFIG_SHELL"	export SHELL	echo="$CONFIG_SHELL [$]0 --fallback-echo"      elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&	   test "X$echo_testing_string" = 'X\t' &&	   echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&	   test "X$echo_testing_string" = "X$echo_test_string"; then	echo="$CONFIG_SHELL [$]0 --fallback-echo"      else	# maybe with a smaller string...	prev=:	for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do	  if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null	  then	    break	  fi	  prev="$cmd"	done	if test "$prev" != 'sed 50q "[$]0"'; then	  echo_test_string=`eval $prev`	  export echo_test_string	  exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}	else	  # Oops.  We lost completely, so just stick with echo.	  echo=echo	fi      fi    fi  fififi# Copy echo and quote the copy suitably for passing to libtool from# the Makefile, instead of quoting the original, which is used later.ECHO=$echoif test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then   ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"fiAC_SUBST(ECHO)AC_DIVERT_POP])# _LT_AC_PROG_ECHO_BACKSLASH# _LT_AC_LOCK# -----------AC_DEFUN([_LT_AC_LOCK],[AC_ARG_ENABLE([libtool-lock],    [AC_HELP_STRING([--disable-libtool-lock],	[avoid locking (might break parallel builds)])])test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes# Some flags need to be propagated to the compiler or linker for good# libtool support.case $host inia64-*-hpux*)  # Find out which ABI we are using.  echo 'int i;' > conftest.$ac_ext