# ltmain.sh - Provide generalized library-building support services.

# NOTE: Changing this file will not affect anything until you rerun configure.

#

# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,

# 2007, 2008  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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.

basename="s,^.*/,,g"

# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh

# is ksh but when the shell is invoked as "sh" and the current value of

# the _XPG environment variable is not equal to 1 (one), the special

# positional parameter $0, within a function call, is the name of the

# function.

progpath="$0"

# The name of this program:

progname=`echo "$progpath" | $SED $basename`

modename="$progname"

# Global variables:

EXIT_SUCCESS=0

EXIT_FAILURE=1

PROGRAM=ltmain.sh

PACKAGE=libtool

VERSION=1.5.26

TIMESTAMP=" (1.1220.2.493 2008/02/01 16:58:18)"

# Be Bourne compatible (taken from Autoconf:_AS_BOURNE_COMPATIBLE).

if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then

  emulate sh

  NULLCMD=:

  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which

  # is contrary to our usage.  Disable this feature.

  alias -g '${1+"$@"}'='"$@"'

  setopt NO_GLOB_SUBST

else

  case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac

fi

BIN_SH=xpg4; export BIN_SH # for Tru64

DUALCASE=1; export DUALCASE # for MKS sh

# Check that we have a working $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, and then maybe $echo will work.

  exec $SHELL "$progpath" --no-reexec ${1+"$@"}

fi

if test "X$1" = X--fallback-echo; then

  # used as fallback echo

  shift

  cat <<EOF

$*

EOF

  exit $EXIT_SUCCESS

fi

default_mode=

help="Try \`$progname --help' for more information."

magic="%%%MAGIC variable%%%"

mkdir="mkdir"

mv="mv -f"

rm="rm -f"

# Sed substitution that helps us do robust quoting.  It backslashifies

# metacharacters that are still active within double-quoted strings.

Xsed="${SED}"' -e 1s/^X//'

sed_quote_subst='s/\([\\`\\"$\\\\]\)/\\\1/g'

# test EBCDIC or ASCII

case `echo X|tr X '\101'` in

 A) # ASCII based system

    # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr

  SP2NL='tr \040 \012'

  NL2SP='tr \015\012 \040\040'

  ;;

 *) # EBCDIC based system

  SP2NL='tr \100 \n'

  NL2SP='tr \r\n \100\100'

  ;;

esac

# NLS nuisances.

# Only set LANG and LC_ALL to C if already set.

# These must not be set unconditionally because not all systems understand

# e.g. LANG=C (notably SCO).

# We save the old values to restore during execute mode.

lt_env=

for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES

do

  eval "if test \"\${$lt_var+set}\" = set; then

	  save_$lt_var=\$$lt_var

	  lt_env=\"$lt_var=\$$lt_var \$lt_env\"

	  $lt_var=C

	  export $lt_var

	fi"

done

if test -n "$lt_env"; then

  lt_env="env $lt_env"

fi

# Make sure IFS has a sensible default

lt_nl='

'

IFS=" 	$lt_nl"

if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then

  $echo "$modename: not configured to build any kind of library" 1>&2

  $echo "Fatal configuration error.  See the $PACKAGE docs for more information." 1>&2

  exit $EXIT_FAILURE

fi

# Global variables.

mode=$default_mode

nonopt=

prev=

prevopt=

run=

show="$echo"

show_help=

execute_dlfiles=

duplicate_deps=no

preserve_args=

lo2o="s/\\.lo\$/.${objext}/"

o2lo="s/\\.${objext}\$/.lo/"

extracted_archives=

extracted_serial=0

#####################################

# Shell function definitions:

# This seems to be the best place for them

# func_mktempdir [string]

# Make a temporary directory that won't clash with other running

# libtool processes, and avoids race conditions if possible.  If

# given, STRING is the basename for that directory.

func_mktempdir ()

{

    my_template="${TMPDIR-/tmp}/${1-$progname}"

    if test "$run" = ":"; then

      # Return a directory name, but don't create it in dry-run mode

      my_tmpdir="${my_template}-$$"

    else

      # If mktemp works, use that first and foremost

      my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null`

      if test ! -d "$my_tmpdir"; then

	# Failing that, at least try and use $RANDOM to avoid a race

	my_tmpdir="${my_template}-${RANDOM-0}$$"

	save_mktempdir_umask=`umask`

	umask 0077

	$mkdir "$my_tmpdir"

	umask $save_mktempdir_umask

      fi

      # If we're not in dry-run mode, bomb out on failure

      test -d "$my_tmpdir" || {

        $echo "cannot create temporary directory \`$my_tmpdir'" 1>&2

	exit $EXIT_FAILURE

      }

    fi

    $echo "X$my_tmpdir" | $Xsed

}

# func_win32_libid arg

# return the library type of file 'arg'

#

# Need a lot of goo to handle *both* DLLs and import libs

# Has to be a shell function in order to 'eat' the argument

# that is supplied when $file_magic_command is called.

func_win32_libid ()

{

  win32_libid_type="unknown"

  win32_fileres=`file -L $1 2>/dev/null`

  case $win32_fileres in

  *ar\ archive\ import\ library*) # definitely import

    win32_libid_type="x86 archive import"

    ;;

  *ar\ archive*) # could be an import, or static

    if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | \

      $EGREP -e 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then

      win32_nmres=`eval $NM -f posix -A $1 | \

	$SED -n -e '1,100{

		/ I /{

			s,.*,import,

			p

			q

			}

		}'`

      case $win32_nmres in

      import*)  win32_libid_type="x86 archive import";;

      *)        win32_libid_type="x86 archive static";;

      esac

    fi

    ;;

  *DLL*)

    win32_libid_type="x86 DLL"

    ;;

  *executable*) # but shell scripts are "executable" too...

    case $win32_fileres in

    *MS\ Windows\ PE\ Intel*)

      win32_libid_type="x86 DLL"

      ;;

    esac

    ;;

  esac

  $echo $win32_libid_type

}

# func_infer_tag arg

# Infer tagged configuration to use if any are available and

# if one wasn't chosen via the "--tag" command line option.

# Only attempt this if the compiler in the base compile

# command doesn't match the default compiler.

# arg is usually of the form 'gcc ...'

func_infer_tag ()

{

    if test -n "$available_tags" && test -z "$tagname"; then

      CC_quoted=

      for arg in $CC; do

	case $arg in

	  *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")

	  arg="\"$arg\""

	  ;;

	esac

	CC_quoted="$CC_quoted $arg"

      done

      case $@ in

      # Blanks in the command may have been stripped by the calling shell,

      # but not from the CC environment variable when configure was run.

      " $CC "* | "$CC "* | " `$echo $CC` "* | "`$echo $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$echo $CC_quoted` "* | "`$echo $CC_quoted` "*) ;;

      # Blanks at the start of $base_compile will cause this to fail

      # if we don't check for them as well.

      *)

	for z in $available_tags; do

	  if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then

	    # Evaluate the configuration.

	    eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"

	    CC_quoted=

	    for arg in $CC; do

	    # Double-quote args containing other shell metacharacters.

	    case $arg in

	      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")

	      arg="\"$arg\""

	      ;;

	    esac

	    CC_quoted="$CC_quoted $arg"

	  done

	    # user sometimes does CC=<HOST>-gcc so we need to match that to 'gcc'

	    trimedcc=`echo ${CC} | $SED -e "s/${host}-//g"`

	    # and sometimes libtool has CC=<HOST>-gcc but user does CC=gcc

	    extendcc=${host}-${CC}

	    # and sometimes libtool has CC=<OLDHOST>-gcc but user has CC=<NEWHOST>-gcc  

	    # (Gentoo-specific hack because we always export $CHOST)

	    mungedcc=${CHOST-${host}}-${trimedcc}

	    case "$@ " in

	      "cc "* | " cc "* | "${host}-cc "* | " ${host}-cc "*|\

	      "gcc "* | " gcc "* | "${host}-gcc "* | " ${host}-gcc "*)

	      tagname=CC

	      break ;;

	      "$trimedcc "* | " $trimedcc "* | "`$echo $trimedcc` "* | " `$echo $trimedcc` "*|\

	      "$extendcc "* | " $extendcc "* | "`$echo $extendcc` "* | " `$echo $extendcc` "*|\

	      "$mungedcc "* | " $mungedcc "* | "`$echo $mungedcc` "* | " `$echo $mungedcc` "*|\

	      " $CC "* | "$CC "* | " `$echo $CC` "* | "`$echo $CC` "* | " $CC_quoted"* | "$CC_quoted "* | " `$echo $CC_quoted` "* | "`$echo $CC_quoted` "*)

	      # The compiler in the base compile command matches

	      # the one in the tagged configuration.

	      # Assume this is the tagged configuration we want.

	      tagname=$z

	      break

	      ;;

	    esac

	  fi

	done

	# If $tagname still isn't set, then no tagged configuration

	# was found and let the user know that the "--tag" command

	# line option must be used.

	if test -z "$tagname"; then

	  $echo "$modename: unable to infer tagged configuration"

	  $echo "$modename: specify a tag with \`--tag'" 1>&2

	  exit $EXIT_FAILURE

#        else

#          $echo "$modename: using $tagname tagged configuration"

	fi

	;;

      esac

    fi

}

# func_extract_an_archive dir oldlib

func_extract_an_archive ()

{

    f_ex_an_ar_dir="$1"; shift

    f_ex_an_ar_oldlib="$1"

    $show "(cd $f_ex_an_ar_dir && $AR x $f_ex_an_ar_oldlib)"

    $run eval "(cd \$f_ex_an_ar_dir && $AR x \$f_ex_an_ar_oldlib)" || exit $?

    if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then

     :

    else

      $echo "$modename: ERROR: object name conflicts: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" 1>&2

      exit $EXIT_FAILURE

    fi

}

# func_extract_archives gentop oldlib ...

func_extract_archives ()

{

    my_gentop="$1"; shift

    my_oldlibs=${1+"$@"}

    my_oldobjs=""

    my_xlib=""

    my_xabs=""

    my_xdir=""

    my_status=""

    $show "${rm}r $my_gentop"

    $run ${rm}r "$my_gentop"

    $show "$mkdir $my_gentop"

    $run $mkdir "$my_gentop"

    my_status=$?

    if test "$my_status" -ne 0 && test ! -d "$my_gentop"; then

      exit $my_status

    fi

    for my_xlib in $my_oldlibs; do

      # Extract the objects.

      case $my_xlib in

	[\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;

	*) my_xabs=`pwd`"/$my_xlib" ;;

      esac

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

      my_xlib_u=$my_xlib

      while :; do

        case " $extracted_archives " in

	*" $my_xlib_u "*)

	  extracted_serial=`expr $extracted_serial + 1`

	  my_xlib_u=lt$extracted_serial-$my_xlib ;;

	*) break ;;

	esac

      done

      extracted_archives="$extracted_archives $my_xlib_u"

      my_xdir="$my_gentop/$my_xlib_u"

      $show "${rm}r $my_xdir"

      $run ${rm}r "$my_xdir"

      $show "$mkdir $my_xdir"

      $run $mkdir "$my_xdir"

      exit_status=$?

      if test "$exit_status" -ne 0 && test ! -d "$my_xdir"; then

	exit $exit_status

      fi

      case $host in

      *-darwin*)

	$show "Extracting $my_xabs"

	# Do not bother doing anything if just a dry run

	if test -z "$run"; then

	  darwin_orig_dir=`pwd`

	  cd $my_xdir || exit $?

	  darwin_archive=$my_xabs

	  darwin_curdir=`pwd`

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

	  darwin_arches=`lipo -info "$darwin_archive" 2>/dev/null | $EGREP Architectures 2>/dev/null`

	  if test -n "$darwin_arches"; then 

	    darwin_arches=`echo "$darwin_arches" | $SED -e 's/.*are://'`

	    darwin_arch=

	    $show "$darwin_base_archive has multiple architectures $darwin_arches"

	    for darwin_arch in  $darwin_arches ; do

	      mkdir -p "unfat-$$/${darwin_base_archive}-${darwin_arch}"

	      lipo -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"

	      cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"

	      func_extract_an_archive "`pwd`" "${darwin_base_archive}"

	      cd "$darwin_curdir"

	      $rm "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"

	    done # $darwin_arches

      ## Okay now we have a bunch of thin objects, gotta fatten them up :)

	    darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print| xargs basename | sort -u | $NL2SP`

	    darwin_file=

	    darwin_files=

	    for darwin_file in $darwin_filelist; do

	      darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP`

	      lipo -create -output "$darwin_file" $darwin_files

	    done # $darwin_filelist

	    ${rm}r unfat-$$

	    cd "$darwin_orig_dir"

	  else

	    cd "$darwin_orig_dir"

 	    func_extract_an_archive "$my_xdir" "$my_xabs"

	  fi # $darwin_arches

	fi # $run

	;;

      *)

        func_extract_an_archive "$my_xdir" "$my_xabs"

        ;;

      esac

      my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP`

    done

    func_extract_archives_result="$my_oldobjs"

}

# End of Shell function definitions

#####################################

# Darwin sucks

eval std_shrext=\"$shrext_cmds\"

disable_libs=no

# Parse our command line options once, thoroughly.

while test "$#" -gt 0

do

  arg="$1"

  shift

  case $arg in

  -*=*) optarg=`$echo "X$arg" | $Xsed -e 's/[-_a-zA-Z0-9]*=//'` ;;

  *) optarg= ;;

  esac

  # If the previous option needs an argument, assign it.

  if test -n "$prev"; then

    case $prev in

    execute_dlfiles)

      execute_dlfiles="$execute_dlfiles $arg"

      ;;

    tag)

      tagname="$arg"

      preserve_args="${preserve_args}=$arg"

      # Check whether tagname contains only valid characters

      case $tagname in

      *[!-_A-Za-z0-9,/]*)

	$echo "$progname: invalid tag name: $tagname" 1>&2

	exit $EXIT_FAILURE

	;;

      esac

      case $tagname in

      CC)

	# Don't test for the "default" C tag, as we know, it's there, but

	# not specially marked.

	;;

      *)

	if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "$progpath" > /dev/null; then

	  taglist="$taglist $tagname"

	  # Evaluate the configuration.

	  eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$tagname'$/,/^# ### END LIBTOOL TAG CONFIG: '$tagname'$/p' < $progpath`"

	else

	  $echo "$progname: ignoring unknown tag $tagname" 1>&2

	fi

	;;

      esac

      ;;

    *)

      eval "$prev=\$arg"

      ;;

    esac

    prev=

    prevopt=

    continue

  fi

  # Have we seen a non-optional argument yet?

  case $arg in

  --help)

    show_help=yes

    ;;

  --version)

    echo "\

$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP

Copyright (C) 2008  Free Software Foundation, Inc.

This is free software; see the source for copying conditions.  There is NO

warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."

    exit $?

    ;;

  --config)

    ${SED} -e '1,/^# ### BEGIN LIBTOOL CONFIG/d' -e '/^# ### END LIBTOOL CONFIG/,$d' $progpath

    # Now print the configurations for the tags.

    for tagname in $taglist; do

      ${SED} -n -e "/^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$/,/^# ### END LIBTOOL TAG CONFIG: $tagname$/p" < "$progpath"

    done

    exit $?

    ;;

  --debug)

    $echo "$progname: enabling shell trace mode"

    set -x

    preserve_args="$preserve_args $arg"

    ;;