# 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

# 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.

# 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 "$0" --no-reexec ${1+"$@"}

fi

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

  # used as fallback echo

  shift

  cat <<EOF

$*

EOF

  exit 0

fi

# The name of this program.

progname=`$echo "$0" | ${SED} 's%^.*/%%'`

modename="$progname"

# Constants.

PROGRAM=ltmain.sh

PACKAGE=libtool

VERSION=1.5

TIMESTAMP=" (1.1220.2.1 2003/04/14 22:48:00)"

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 A|od -x` in

 *[Cc]1*) # EBCDIC based system

  SP2NL="tr '\100' '\n'"

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

  ;;

 *) # Assume ASCII based system

  SP2NL="tr '\040' '\012'"

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

  ;;

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.

if test "${LC_ALL+set}" = set; then

  save_LC_ALL="$LC_ALL"; LC_ALL=C; export LC_ALL

fi

if test "${LANG+set}" = set; then

  save_LANG="$LANG"; LANG=C; export LANG

fi

# Make sure IFS has a sensible default

: ${IFS=" 	"}

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 1

fi

# Global variables.

mode=$default_mode

nonopt=

prev=

prevopt=

run=

show="$echo"

show_help=

execute_dlfiles=

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

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

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

# Shell function definitions:

# This seems to be the best place for them

# 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.

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 | \

      grep -E 'file format pe-i386(.*architecture: i386)?' >/dev/null ; then

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

	sed -n -e '1,100{/ I /{x;/import/!{s/^/import/;h;p;};x;};}'`

      if test "X$win32_nmres" = "Ximport" ; then

        win32_libid_type="x86 archive import"

      else

        win32_libid_type="x86 archive static"

      fi

    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

}

# End of Shell function definitions

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

# 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"

      # Check whether tagname contains only valid characters

      case $tagname in

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

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

	exit 1

	;;

      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: $tagname$" < "$0" > /dev/null; then

	  taglist="$taglist $tagname"

	  # Evaluate the configuration.

	  eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$tagname'$/,/^# ### END LIBTOOL TAG CONFIG: '$tagname'$/p' < $0`"

	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"

    $echo

    $echo "Copyright (C) 2003  Free Software Foundation, Inc."

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

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

    exit 0

    ;;

  --config)

    ${SED} -e '1,/^# ### BEGIN LIBTOOL CONFIG/d' -e '/^# ### END LIBTOOL CONFIG/,$d' $0

    # 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" < "$0"

    done

    exit 0

    ;;

  --debug)

    $echo "$progname: enabling shell trace mode"

    set -x

    ;;

  --dry-run | -n)

    run=:

    ;;

  --features)

    $echo "host: $host"

    if test "$build_libtool_libs" = yes; then

      $echo "enable shared libraries"

    else

      $echo "disable shared libraries"

    fi

    if test "$build_old_libs" = yes; then

      $echo "enable static libraries"

    else

      $echo "disable static libraries"

    fi

    exit 0

    ;;

  --finish) mode="finish" ;;

  --mode) prevopt="--mode" prev=mode ;;

  --mode=*) mode="$optarg" ;;

  --preserve-dup-deps) duplicate_deps="yes" ;;

  --quiet | --silent)

    show=:

    ;;

  --tag) prevopt="--tag" prev=tag ;;

  --tag=*)

    set tag "$optarg" ${1+"$@"}

    shift

    prev=tag

    ;;

  -dlopen)

    prevopt="-dlopen"

    prev=execute_dlfiles

    ;;

  -*)

    $echo "$modename: unrecognized option \`$arg'" 1>&2

    $echo "$help" 1>&2

    exit 1

    ;;

  *)

    nonopt="$arg"

    break

    ;;

  esac

done

if test -n "$prevopt"; then

  $echo "$modename: option \`$prevopt' requires an argument" 1>&2

  $echo "$help" 1>&2

  exit 1

fi

# If this variable is set in any of the actions, the command in it

# will be execed at the end.  This prevents here-documents from being

# left over by shells.

exec_cmd=

if test -z "$show_help"; then

  # Infer the operation mode.

  if test -z "$mode"; then

    $echo "*** Warning: inferring the mode of operation is deprecated." 1>&2

    $echo "*** Future versions of Libtool will require -mode=MODE be specified." 1>&2

    case $nonopt in

    *cc | cc* | *++ | gcc* | *-gcc* | g++* | xlc*)

      mode=link

      for arg

      do

	case $arg in

	-c)

	   mode=compile

	   break

	   ;;

	esac

      done

      ;;

    *db | *dbx | *strace | *truss)

      mode=execute

      ;;

    *install*|cp|mv)

      mode=install

      ;;

    *rm)

      mode=uninstall

      ;;

    *)

      # If we have no mode, but dlfiles were specified, then do execute mode.

      test -n "$execute_dlfiles" && mode=execute

      # Just use the default operation mode.

      if test -z "$mode"; then

	if test -n "$nonopt"; then

	  $echo "$modename: warning: cannot infer operation mode from \`$nonopt'" 1>&2

	else

	  $echo "$modename: warning: cannot infer operation mode without MODE-ARGS" 1>&2

	fi

      fi

      ;;

    esac

  fi

  # Only execute mode is allowed to have -dlopen flags.

  if test -n "$execute_dlfiles" && test "$mode" != execute; then

    $echo "$modename: unrecognized option \`-dlopen'" 1>&2

    $echo "$help" 1>&2

    exit 1

  fi

  # Change the help message to a mode-specific one.

  generic_help="$help"

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

  # These modes are in order of execution frequency so that they run quickly.

  case $mode in

  # libtool compile mode

  compile)

    modename="$modename: compile"

    # Get the compilation command and the source file.

    base_compile=

    srcfile="$nonopt"  #  always keep a non-empty value in "srcfile"

    suppress_output=

    arg_mode=normal

    libobj=

    for arg

    do

      case "$arg_mode" in

      arg  )

	# do not "continue".  Instead, add this to base_compile

	lastarg="$arg"

	arg_mode=normal

	;;

      target )

	libobj="$arg"

	arg_mode=normal

	continue

	;;

      normal )

	# Accept any command-line options.

	case $arg in

	-o)

	  if test -n "$libobj" ; then

	    $echo "$modename: you cannot specify \`-o' more than once" 1>&2

	    exit 1

	  fi

	  arg_mode=target

	  continue

	  ;;

	-static)

	  build_old_libs=yes

	  continue

	  ;;

	-prefer-pic)

	  pic_mode=yes

	  continue

	  ;;

	-prefer-non-pic)

	  pic_mode=no

	  continue

	  ;;

	-Xcompiler)

	  arg_mode=arg  #  the next one goes into the "base_compile" arg list

	  continue      #  The current "srcfile" will either be retained or

	  ;;            #  replaced later.  I would guess that would be a bug.

	-Wc,*)

	  args=`$echo "X$arg" | $Xsed -e "s/^-Wc,//"`

	  lastarg=

	  save_ifs="$IFS"; IFS=','

	  for arg in $args; do

	    IFS="$save_ifs"

	    # Double-quote args containing other shell metacharacters.

	    # Many Bourne shells cannot handle close brackets correctly

	    # in scan sets, so we specify it separately.

	    case $arg in

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

	      arg="\"$arg\""

	      ;;

	    esac

	    lastarg="$lastarg $arg"

	  done

	  IFS="$save_ifs"

	  lastarg=`$echo "X$lastarg" | $Xsed -e "s/^ //"`

	  # Add the arguments to base_compile.

	  base_compile="$base_compile $lastarg"

	  continue

	  ;;

	* )

	  # Accept the current argument as the source file.

	  # The previous "srcfile" becomes the current argument.

	  #

	  lastarg="$srcfile"

	  srcfile="$arg"

	  ;;

	esac  #  case $arg

	;;

      esac    #  case $arg_mode

      # Aesthetically quote the previous argument.

      lastarg=`$echo "X$lastarg" | $Xsed -e "$sed_quote_subst"`

      case $lastarg in

      # Double-quote args containing other shell metacharacters.

      # Many Bourne shells cannot handle close brackets correctly

      # in scan sets, so we specify it separately.

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

	lastarg="\"$lastarg\""

	;;

      esac

      base_compile="$base_compile $lastarg"

    done # for arg

    case $arg_mode in

    arg)

      $echo "$modename: you must specify an argument for -Xcompile"

      exit 1

      ;;

    target)

      $echo "$modename: you must specify a target with \`-o'" 1>&2

      exit 1

      ;;

    *)

      # Get the name of the library object.

      [ -z "$libobj" ] && libobj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%'`

      ;;

    esac

    # Recognize several different file suffixes.

    # If the user specifies -o file.o, it is replaced with file.lo

    xform='[cCFSifmso]'

    case $libobj in

    *.ada) xform=ada ;;

    *.adb) xform=adb ;;

    *.ads) xform=ads ;;

    *.asm) xform=asm ;;

    *.c++) xform=c++ ;;

    *.cc) xform=cc ;;

    *.ii) xform=ii ;;

    *.class) xform=class ;;

    *.cpp) xform=cpp ;;

    *.cxx) xform=cxx ;;

    *.f90) xform=f90 ;;

    *.for) xform=for ;;

    *.java) xform=java ;;

    esac