# 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# 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.  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, and then maybe $echo will work.  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 name of this program.progname=`$echo "$0" | sed 's%^.*/%%'`modename="$progname"# Constants.PROGRAM=ltmain.shPACKAGE=libtoolVERSION=1.4TIMESTAMP=" (1.920 2001/04/24 23:26:18)"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_ALLfiif test "${LANG+set}" = set; then  save_LANG="$LANG"; LANG=C; export LANGfiif 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 $PACKAGE docs for more information." 1>&2  exit 1fi# Global variables.mode=$default_modenonopt=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 0do  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 $arg"      ;;    *)      eval "$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="$arg"    break    ;;  esacdoneif test -n "$prevopt"; then  $echo "$modename: option \`$prevopt' requires an argument" 1>&2  $echo "$help" 1>&2  exit 1fiif 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=    prev=    lastarg=    srcfile="$nonopt"    suppress_output=    user_target=no    for arg    do      case $prev in      "") ;;      xcompiler)	# Aesthetically quote the previous argument.	prev=	lastarg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"`	case $arg in	# Double-quote args containing other shell metacharacters.	# Many Bourne shells cannot handle close brackets correctly	# in scan sets, so we specify it separately.	*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \	]*|*]*|"")	  arg="\"$arg\""	  ;;	esac	# Add the previous argument to base_compile.	if test -z "$base_compile"; then	  base_compile="$lastarg"	else	  base_compile="$base_compile $lastarg"	fi	continue	;;      esac      # 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	;;      -prefer-pic)	pic_mode=yes	continue	;;      -prefer-non-pic)	pic_mode=no	continue	;;      -Xcompiler)	prev=xcompiler	continue	;;      -Wc,*)	args=`$echo "X$arg" | $Xsed -e "s/^-Wc,//"`	lastarg=	IFS="${IFS= 	}"; 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" | $Xsed -e "s/^ //"`	# Add the arguments to base_compile.	if test -z "$base_compile"; then	  base_compile="$lastarg"	else	  base_compile="$base_compile $lastarg"	fi	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    # On Cygwin there's no "real" PIC flag so we must build both object types    case $host_os in    cygwin* | mingw* | pw32* | os2*)      pic_mode=default      ;;    esac    if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then      # non-PIC code in shared libraries is not supported      pic_mode=default    fi    # Calculate the filename of the output object if compiler does    # not support -o with -c    if test "$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 $run 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 sametemporary object file, and libtool could not work around it becauseyour compiler does not support \`-c' and \`-o' together.  If yourepeat this compilation, it may succeed, by chance, but you had betteravoid parallel builds (make -j) in this platform, or get a bettercompiler."