libtool

基于minigui开发的一套图形控件系统

  *)
    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=
    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 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 $srcfile $pic_flag -DPIC"
      else
	# Don't build PIC code
	command="$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"`
	# Now arrange that obj and lo_libobj become the same file
	$show "(cd $xdir && $LN_S $baseobj $libobj)"
	if $run eval '(cd $xdir && $LN_S $baseobj $libobj)'; then
	  exit 0
	else
	  error=$?
	  $run $rm $removelist
	  exit $error
	fi
      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 $srcfile $pic_flag -DPIC"
      fi
      if test "$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