libtool

PPP协议的实现演示

#! /bin/sh

# libtool - Provide generalized library-building support services.
# Generated automatically by ltconfig (GNU libtool 1.3c (1.695 2000/02/24 02:15:35))
# NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
#
# Copyright (C) 1996-2000 Free Software Foundation, Inc.
# Originally by Gordon Matzigkeit <[e-mail]>, 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.

# Sed that helps us avoid accidentally triggering echo(1) options like -n.
Xsed="sed -e s/^X//"

# 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; fi

### BEGIN LIBTOOL CONFIG
# Libtool was configured as follows, on host ns2:
#
# AR="" CC="g++" CFLAGS="-D_REENTRANT" CPPFLAGS="" \
# MAGIC="" LD="/usr/bin/ld" LDFLAGS="-s" LIBS="" \
# LN_S="ln -s" NM="/usr/bin/nm -B" RANLIB="ranlib" STRIP="strip" \
# AS="" DLLTOOL="" OBJDUMP="" \
# objext="" exeext="" reload_flag="" \
# deplibs_check_method="pass_all" file_magic_cmd="\${MAGIC}" \
#   ./ltconfig --cache-file=./config.cache --disable-static --with-gcc --with-gnu-ld --enable-dlopen --no-verify --build=i386-pc-none ./ltmain.sh i386-pc-none
#
# Compiler and other test output produced by ltconfig, useful for
# debugging ltconfig, is in ./config.log if it exists.
# The version of ltconfig that generated this script.
LTCONFIG_VERSION="1.3c"

# Shell to use when invoking shell scripts.
SHELL="/bin/sh"

# Whether or not to build shared libraries.
build_libtool_libs=no

# Whether or not to build static libraries.
build_old_libs=yes

# Whether or not to optimize for fast installation.
fast_install=needless

# The host system.
host_alias=i386-pc-none
host=i386-pc-none

# An echo program that does not interpret backslashes.
echo="echo"

# The archiver.
AR="ar"

# The default C compiler.
CC="g++"

# The linker used to build libraries.
LD="/usr/bin/ld"

# Whether we need hard or soft links.
LN_S="ln -s"

# A BSD-compatible nm program.
NM="/usr/bin/nm -B"

# A symbol stripping program
STRIP=strip

# Used to examine libraries when file_magic_cmd begins "file"
MAGIC=file

# Used on cygwin: DLL creation program.
DLLTOOL="dlltool"

# Used on cygwin: object dumper.
OBJDUMP="objdump"

# Used on cygwin: assembler.
AS="as"

# The name of the directory that contains temporary libtool files.
objdir=.libs

# How to create reloadable object files.
reload_flag=" -r"
reload_cmds="\$LD\$reload_flag -o \$output\$reload_objs"

# How to pass a linker flag through the compiler.
wl="-Wl,"

# Object file suffix (normally "o").
objext="o"

# Old archive suffix (normally "a").
libext="a"

# Executable file suffix (normally "").
exeext=""

# Additional compiler flags for building library objects.
pic_flag=" -fPIC"
pic_mode=default

# Does compiler simultaneously support -c and -o options?
compiler_c_o="yes"

# Can we write directly to a .lo ?
compiler_o_lo="yes"

# Must we lock files when doing compilation ?
need_locks="no"

# Do we need the lib prefix for modules?
need_lib_prefix=unknown

# Do we need a version for libraries?
need_version=unknown

# Whether dlopen is supported.
dlopen_support=yes

# Whether dlopen of programs is supported.
dlopen_self=no

# Whether dlopen of statically linked programs is supported.
dlopen_self_static=unknown

# Compiler flag to prevent dynamic linking.
link_static_flag="-static"

# Compiler flag to turn off builtin functions.
no_builtin_flag=" -fno-builtin -fno-rtti -fno-exceptions"

# Compiler flag to allow reflexive dlopens.
export_dynamic_flag_spec="\${wl}--export-dynamic"

# Compiler flag to generate shared objects directly from archives.
whole_archive_flag_spec="\${wl}--whole-archive\$convenience \${wl}--no-whole-archive"

# Compiler flag to generate thread-safe objects.
thread_safe_flag_spec=""

# Library versioning type.
version_type=none

# Format of library name prefix.
libname_spec="lib\$name"

# List of archive names.  First name is the real one, the rest are links.
# The last name is the one that the linker finds with -lNAME.
library_names_spec=""

# The coded name of the library, if different from the real name.
soname_spec=""

# Commands used to build and install an old-style archive.
RANLIB="ranlib"
old_archive_cmds="\$AR cru \$oldlib\$oldobjs\$old_deplibs"
old_postinstall_cmds="chmod 644 \$oldlib"
old_postuninstall_cmds=""

# Create an old-style archive from a shared archive.
old_archive_from_new_cmds=""

# Create a temporary old-style archive to link instead of a shared archive.
old_archive_from_expsyms_cmds=""

# Commands used to build and install a shared archive.
archive_cmds="\$CC -shared \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname -o \$lib"
archive_expsym_cmds="\$CC -shared \$libobjs \$deplibs \$compiler_flags \${wl}-soname \$wl\$soname \${wl}-retain-symbols-file \$wl\$export_symbols -o \$lib"
postinstall_cmds=""
postuninstall_cmds=""

# Commands to strip libraries.
old_striplib="strip --strip-debug"
striplib="strip --strip-unneeded"

# Method to check whether dependent libraries are shared objects.
deplibs_check_method="pass_all"

# Command to use when deplibs_check_method == file_magic.
file_magic_cmd="\${MAGIC}"

# Flag that allows shared libraries with undefined symbols to be built.
allow_undefined_flag=""

# Flag that forces no undefined symbols.
no_undefined_flag=""

# Commands used to finish a libtool library installation in a directory.
finish_cmds=""

# Same as above, but a single script fragment to be evaled but not shown.
finish_eval=""

# Take the output of nm and produce a listing of raw symbols and C names.
global_symbol_pipe="sed -n -e 's/^.*[ 	]\\([ABCDGISTW]\\)[ 	][ 	]*\\(\\)\\([_A-Za-z][_A-Za-z0-9]*\\)\$/\\1 \\2\\3 \\3/p'"

# Transform the output of nm in a proper C declaration
global_symbol_to_cdecl="sed -n -e 's/^. .* \\(.*\\)\$/extern char \\1;/p'"

# This is the shared library runtime path variable.
runpath_var=LD_RUN_PATH

# This is the shared library path variable.
shlibpath_var=

# Is shlibpath searched before the hard-coded library search path?
shlibpath_overrides_runpath=unknown

# How to hardcode a shared library path into an executable.
hardcode_action=immediate

# Whether we should hardcode library paths into libraries.
hardcode_into_libs=no

# Flag to hardcode $libdir into a binary during linking.
# This must work even if $libdir does not exist.
hardcode_libdir_flag_spec="\${wl}--rpath \${wl}\$libdir"

# Whether we need a single -rpath flag with a separated argument.
hardcode_libdir_separator=""

# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
# resulting binary.
hardcode_direct=no

# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
# resulting binary.
hardcode_minus_L=no

# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
# the resulting binary.
hardcode_shlibpath_var=unsupported

# Whether libtool must link a program against all its dependency libraries.
link_all_deplibs=unknown

# Compile-time system search path for libraries
sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"

# Run-time system search path for libraries
sys_lib_dlsearch_path_spec="/lib /usr/lib"

# Fix the shell variable $srcfile for the compiler.
fix_srcfile_path=""

# Set to yes if exported symbols are required.
always_export_symbols=no

# The commands to list exported symbols.
export_symbols_cmds="\$NM \$libobjs \$convenience | \$global_symbol_pipe | sed 's/.* //' | sort | uniq > \$export_symbols"

# The commands to extract the exported symbol list from a shared archive.
extract_expsyms_cmds=""

# Symbols that should not be listed in the preloaded symbols.
exclude_expsyms="_GLOBAL_OFFSET_TABLE_"

# Symbols that must always be exported.
include_expsyms=""

### END LIBTOOL CONFIG

# ltmain.sh - Provide generalized library-building support services.
# NOTE: Changing this file will not affect anything until you rerun ltconfig.
#
# Copyright (C) 1996-2000 Free Software Foundation, Inc.
# Originally by Gordon Matzigkeit <[e-mail]>, 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=" (1.695 2000/02/24 02:15:35)"

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