root/tags/email-0_40/email/ltmain.sh

# ltmain.sh - Provide generalized library-building support services.
# NOTE: Changing this file will not affect anything until you rerun ltconfig.
#
# Copyright (C) 1996-1999 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=1.3c
TIMESTAMP=" (1.618 1999/10/04 14:44:15)"

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'
SP2NL='tr \040 \012'
NL2SP='tr \015\012 \040\040'

# 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

if test "$LTCONFIG_VERSION" != "$VERSION"; then
  echo "$modename: ltconfig version \`$LTCONFIG_VERSION' does not match $PROGRAM version \`$VERSION'" 1>&2
  echo "Fatal configuration error.  See the $PACKAGE docs for more information." 1>&2
  exit 1
fi

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/"

# 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)
      eval "$prev=\"\$$prev \$arg\""
      ;;
    *)
      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"
    exit 0
    ;;

  --config)
    sed -e '1,/^### BEGIN LIBTOOL CONFIG/d' -e '/^### END LIBTOOL CONFIG/,$d' $0
    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" ;;

  --quiet | --silent)
    show=:
    ;;

  -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 test -z "$show_help"; then

  # Infer the operation mode.
  if test -z "$mode"; then
    case "$nonopt" in
    *cc | *++ | gcc* | *-gcc*)
      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=
    lastarg=
    srcfile="$nonopt"
    suppress_output=

    user_target=no
    for arg
    do
      # Accept any command-line options.
      case "$arg" in
      -o)
    if test "$user_target" != "no"; then
      $echo "$modename: you cannot specify \`-o' more than once" 1>&2
      exit 1
    fi
    user_target=next
    ;;

      -static)
    build_old_libs=yes
    continue
    ;;
      esac

      case "$user_target" in
      next)
    # The next one is the -o target name
    user_target=yes
    continue
    ;;
      yes)
    # We got the output file
    user_target=set
    libobj="$arg"
    continue
    ;;
      esac

      # Accept the current argument as the source file.
      lastarg="$srcfile"
      srcfile="$arg"

      # Aesthetically quote the previous argument.

      # Backslashify any backslashes, double quotes, and dollar signs.
      # These are the only characters that are still specially
      # interpreted inside of double-quoted scrings.
      lastarg=`$echo "X$lastarg" | $Xsed -e "$sed_quote_subst"`

      # Double-quote args containing other shell metacharacters.
      # Many Bourne shells cannot handle close brackets correctly in scan
      # sets, so we specify it separately.
      case "$lastarg" in
      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*)
    lastarg="\"$lastarg\""
    ;;
      esac

      # Add the previous argument to base_compile.
      if test -z "$base_compile"; then
    base_compile="$lastarg"
      else
    base_compile="$base_compile $lastarg"
      fi
    done

    case "$user_target" in
    set)
      ;;
    no)
      # Get the name of the library object.
      libobj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%'`
      ;;
    *)
      $echo "$modename: you must specify a target with \`-o'" 1>&2
      exit 1
      ;;
    esac

    # Recognize several different file suffixes.
    # If the user specifies -o file.o, it is replaced with file.lo
    xform='[cCFSfmso]'
    case "$libobj" in
    *.ada) xform=ada ;;
    *.adb) xform=adb ;;
    *.ads) xform=ads ;;
    *.asm) xform=asm ;;
    *.c++) xform=c++ ;;
    *.cc) xform=cc ;;
    *.cpp) xform=cpp ;;
    *.cxx) xform=cxx ;;
    *.f90) xform=f90 ;;
    *.for) xform=for ;;
    esac

    libobj=`$echo "X$libobj" | $Xsed -e "s/\.$xform$/.lo/"`

    case "$libobj" in
    *.lo) obj=`$echo "X$libobj" | $Xsed -e "$lo2o"` ;;
    *)
      $echo "$modename: cannot determine name of library object from \`$libobj'" 1>&2
      exit 1
      ;;
    esac

    if test -z "$base_compile"; then
      $echo "$modename: you must specify a compilation command" 1>&2
      $echo "$help" 1>&2
      exit 1
    fi

    # Delete any leftover library objects.
    if test "$build_old_libs" = yes; then
      removelist="$obj $libobj"
    else
      removelist="$libobj"
    fi

    $run $rm $removelist
    trap "$run $rm $removelist; exit 1" 1 2 15

    # Calculate the filename of the output object if compiler does
    # not support -o with -c
    if test "$compiler_c_o" = no; then
      output_obj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%' -e 's%\..*$%%'`.${objext}
      lockfile="$output_obj.lock"
      removelist="$removelist $output_obj $lockfile"
      trap "$run $rm $removelist; exit 1" 1 2 15
    else
      need_locks=no
      lockfile=
    fi

    # Lock this critical section if it is needed
    # We use this script file to make the link, it avoids creating a new file
    if test "$need_locks" = yes; then
      until ln "$0" "$lockfile" 2>/dev/null; do
    $show "Waiting for $lockfile to be removed"
    sleep 2
      done
    elif test "$need_locks" = warn; then
      if test -f "$lockfile"; then
    echo "\
*** ERROR, $lockfile exists and contains:
`cat $lockfile 2>/dev/null`

This indicates that another process is trying to use the same
temporary object file, and libtool could not work around it because
your compiler does not support \`-c' and \`-o' together.  If you
repeat this compilation, it may succeed, by chance, but you had better
avoid parallel builds (make -j) in this platform, or get a better
compiler."

    $run $rm $removelist
    exit 1
      fi
      echo $srcfile > "$lockfile"
    fi

    if test -n "$fix_srcfile_path"; then
      eval srcfile=\"$fix_srcfile_path\"
    fi

    # Only build a PIC object if we are building libtool libraries.
    if test "$build_libtool_libs" = yes; then
      # Without this assignment, base_compile gets emptied.
      fbsd_hideous_sh_bug=$base_compile

      if test "$pic_mode" != no; then
    # All platforms use -DPIC, to notify preprocessed assembler code.
    command="$base_compile $pic_flag -DPIC $srcfile"
      else
    # Don't build PIC code
    command="$base_compile $srcfile"
      fi
      if test "$build_old_libs" = yes; then
    lo_libobj="$libobj"
    dir=`$echo "X$libobj" | $Xsed -e 's%/[^/]*$%%'`
    if test "X$dir" = "X$libobj"; then
      dir="$objdir"
    else
      dir="$dir/$objdir"
    fi
    libobj="$dir/"`$echo "X$libobj" | $Xsed -e 's%^.*/%%'`

    if test -d "$dir"; then
      $show "$rm $libobj"
      $run $rm $libobj
    else
      $show "$mkdir $dir"
      $run $mkdir $dir
      status=$?
      if test $status -ne 0 && test ! -d $dir; then
        exit $status
      fi
    fi
      fi
      if test "$compiler_o_lo" = yes; then
    output_obj="$libobj"
    command="$command -o $output_obj"
      elif test "$compiler_c_o" = yes; then
    output_obj="$obj"
    command="$command -o $output_obj"
      fi

      $run $rm "$output_obj"
      $show "$command"
      if $run eval "$command"; then :
      else
    test -n "$output_obj" && $run $rm $removelist
    exit 1
      fi

      if test "$need_locks" = warn &&
     test x"`cat $lockfile 2>/dev/null`" != x"$srcfile"; then
    echo "\
*** ERROR, $lockfile contains:
`cat $lockfile 2>/dev/null`

but it should contain:
$srcfile

This indicates that another process is trying to use the same
temporary object file, and libtool could not work around it because
your compiler does not support \`-c' and \`-o' together.  If you
repeat this compilation, it may succeed, by chance, but you had better
avoid parallel builds (make -j) in this platform, or get a better
compiler."

    $run $rm $removelist
    exit 1
      fi

      # Just move the object if needed, then go on to compile the next one
      if test x"$output_obj" != x"$libobj"; then
    $show "$mv $output_obj $libobj"
    if $run $mv $output_obj $libobj; then :
    else
      error=$?
      $run $rm $removelist
      exit $error
    fi
      fi

      # If we have no pic_flag, then copy the object into place and finish.
      if (test -z "$pic_flag" || test "$pic_mode" != default) &&
     test "$build_old_libs" = yes; then
    # Rename the .lo from within objdir to obj
    if test -f $obj; then
      $show $rm $obj
      $run $rm $obj
    fi

    $show "$mv $libobj $obj"
    if $run $mv $libobj $obj; then :
    else
      error=$?
      $run $rm $removelist
      exit $error
    fi

    xdir=`$echo "X$obj" | $Xsed -e 's%/[^/]*$%%'`
    if test "X$xdir" = "X$obj"; then
      xdir="."
    else
      xdir="$xdir"
    fi
    baseobj=`$echo "X$obj" | $Xsed -e "s%.*/%%"`
    libobj=`$echo "X$baseobj" | $Xsed -e "$o2lo"`
      fi

      # Allow error messages only from the first compilation.
      suppress_output=' >/dev/null 2>&1'
    fi

    # Only build a position-dependent object if we build old libraries.
    if test "$build_old_libs" = yes; then
      if test "$pic_mode" != yes; then
    # Don't build PIC code
    command="$base_compile $srcfile"
      else
    # All platforms use -DPIC, to notify preprocessed assembler code.
    command="$base_compile $pic_flag -DPIC $srcfile"
      fi
      if test "$compiler_c_o" = yes; then
    command="$command -o $obj"
    output_obj="$obj"
      fi

      # Suppress compiler output if we already did a PIC compilation.
      command="$command$suppress_output"
      $run $rm "$output_obj"
      $show "$command"
      if $run eval "$command"; then :
      else
    $run $rm $removelist
    exit 1
      fi

      if test "$need_locks" = warn &&
     test x"`cat $lockfile 2>/dev/null`" != x"$srcfile"; then
    echo "\
*** ERROR, $lockfile contains:
`cat $lockfile 2>/dev/null`

but it should contain:
$srcfile

This indicates that another process is trying to use the same
temporary object file, and libtool could not work around it because
your compiler does not support \`-c' and \`-o' together.  If you
repeat this compilation, it may succeed, by chance, but you had better
avoid parallel builds (make -j) in this platform, or get a better
compiler."

    $run $rm $removelist
    exit 1
      fi

      # Just move the object if needed
      if test x"$output_obj" != x"$obj"; then
    $show "$mv $output_obj $obj"
    if $run $mv $output_obj $obj; then :
    else
      error=$?
      $run $rm $removelist
      exit $error
    fi
      fi

      # Create an invalid libtool object if no PIC, so that we do not
      # accidentally link it into a program.
      if test "$build_libtool_libs" != yes; then
    $show "echo timestamp > $libobj"
    $run eval "echo timestamp > \$libobj" || exit $?
      else
    # Move the .lo from within objdir
    $show "$mv $libobj $lo_libobj"
    if $run $mv $libobj $lo_libobj; then :
    else
      error=$?
      $run $rm $removelist
      exit $error
    fi
      fi
    fi

    # Unlock the critical section if it was locked
    if test "$need_locks" != no; then
      $rm "$lockfile"
    fi

    exit 0
    ;;

  # libtool link mode
  link | relink)
    modename="$modename: link"
    relink=no
    test "$mode" = "relink" && relink=yes
    case "$host" in
    *-*-cygwin* | *-*-mingw* | *-*-os2*)
      # It is impossible to link a dll without this setting, and
      # we shouldn't force the makefile maintainer to figure out
      # which system we are compiling for in order to pass an extra
      # flag for every libtool invokation.
      # allow_undefined=no

      # FIXME: Unfortunately, there are problems with the above when trying
      # to make a dll which has undefined symbols, in which case not
      # even a static library is built.  For now, we need to specify
      # -no-undefined on the libtool link line when we can be certain
      # that all symbols are satisfied, otherwise we get a static library.
      allow_undefined=yes
      ;;
    *)
      allow_undefined=yes
      ;;
    esac
    libtool_args="$nonopt"
    compile_command="$nonopt"
    finalize_command="$nonopt"

    compile_rpath=
    finalize_rpath=
    compile_shlibpath=
    finalize_shlibpath=
    convenience=
    old_convenience=
    deplibs=
    old_deplibs=
    compiler_flags=
    linker_flags=
    dllsearchpath=
    lib_search_path=`pwd`

    avoid_version=no
    dlfiles=
    dlprefiles=
    dlself=no
    export_dynamic=no
    export_symbols=
    export_symbols_regex=
    generated=
    libobjs=
    ltlibs=
    module=no
    no_install=no
    objs=
    prefer_static_libs=no
    preload=no
    prev=
    prevarg=
    release=
    rpath=
    xrpath=
    perm_rpath=
    temp_rpath=
    thread_safe=no
    vinfo=

    # We need to know -static, to get the right output filenames.
    for arg
    do
      case "$arg" in
      -all-static | -static)
    if test "X$arg" = "X-all-static"; then
      if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then
        $echo "$modename: warning: complete static linking is impossible in this configuration" 1>&2
      fi
      if test -n "$link_static_flag"; then
        dlopen_self=$dlopen_self_static
      fi
    else
      if test -z "$pic_flag" && test -n "$link_static_flag"; then
        dlopen_self=$dlopen_self_static
      fi
    fi
    build_libtool_libs=no
    build_old_libs=yes
    prefer_static_libs=yes
    break
    ;;
      esac
    done

    # See if our shared archives depend on static archives.
    test -n "$old_archive_from_new_cmds" && build_old_libs=yes

    # Go through the arguments, transforming them on the way.
    while test $# -gt 0; do
      arg="$1"
      shift
      libtool_args="$libtool_args $arg"

      # If the previous option needs an argument, assign it.
      if test -n "$prev"; then
    case "$prev" in
    output)
      compile_command="$compile_command @OUTPUT@"
      finalize_command="$finalize_command @OUTPUT@"
      ;;
    esac

    case "$prev" in
    dlfiles|dlprefiles)
      if test "$preload" = no; then
        # Add the symbol object into the linking commands.
        compile_command="$compile_command @SYMFILE@"
        finalize_command="$finalize_command @SYMFILE@"
        preload=yes
      fi
      case "$arg" in
      *.la | *.lo) ;;  # We handle these cases below.
      force)
        if test "$dlself" = no; then
          dlself=needless
          export_dynamic=yes
        fi
        prev=
        continue
        ;;
      self)
        if test "$prev" = dlprefiles; then
          dlself=yes
        elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then
          dlself=yes
        else
          dlself=needless
          export_dynamic=yes
        fi
        prev=
        continue
        ;;
      *)
        if test "$prev" = dlfiles; then
          dlfiles="$dlfiles $arg"
        else
          dlprefiles="$dlprefiles $arg"
        fi
        prev=
        ;;
      esac
      ;;
    expsyms)
      export_symbols="$arg"
      if test ! -f "$arg"; then
        $echo "$modename: symbol file \`$arg' does not exist"
        exit 1
      fi
      prev=
      continue
      ;;
    expsyms_regex)
      export_symbols_regex="$arg"
      prev=
      continue
      ;;
    release)
      release="-$arg"
      prev=
      continue
      ;;
    rpath | xrpath)
      # We need an absolute path.
      case "$arg" in
      [\\/]* | [A-Za-z]:[\\/]*) ;;
      *)
        $echo "$modename: only absolute run-paths are allowed" 1>&2
        exit 1
        ;;
      esac
      if test "$prev" = rpath; then
        case "$rpath " in
        *" $arg "*) ;;
        *) rpath="$rpath $arg" ;;
        esac
      else
        case "$xrpath " in
        *" $arg "*) ;;
        *) xrpath="$xrpath $arg" ;;
        esac
      fi
      prev=
      continue
      ;;
    xcompiler)
      arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
      case "$arg" in
      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*)
        arg="\"$arg\""
        ;;
      esac
      compiler_flags="$compiler_flags $arg"
      prev=
      continue
      ;;
    xlinker)
      arg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`
      case "$arg" in
      *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*)
        arg="\"$arg\""
        ;;
      esac
      linker_flags="$linker_flags $arg"
      compiler_flags="$compiler_flags $wl$arg"
      prev=
      continue
      ;;
    *)
      eval "$prev=\"\$arg\""
      prev=
      continue
      ;;
    esac
      fi

      prevarg="$arg"