ltmain.sh

Linux下fuse用户文件系统的的源代码

lt_${my_prefix}_LTX_preloaded_symbols[] =
{\
  { \"$my_originator\", (void *) 0 },
"

	  eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms"

	  $ECHO >> "$output_objdir/$my_dlsyms" "\
  {0, (void *) 0}
};

/* This works around a problem in FreeBSD linker */
#ifdef FREEBSD_WORKAROUND
static const void *lt_preloaded_setup() {
  return lt_${my_prefix}_LTX_preloaded_symbols;
}
#endif

#ifdef __cplusplus
}
#endif\
"
	} # !$opt_dry_run

  	pic_flag_for_symtable=
	case "$compile_command " in
	*" -static "*) ;;
	*)
	  case $host in
	  # compiling the symbol table file with pic_flag works around
	  # a FreeBSD bug that causes programs to crash when -lm is
	  # linked before any other PIC object.  But we must not use
	  # pic_flag when linking with -static.  The problem exists in
	  # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1.
	  *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*)
	    pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;;
	  *-*-hpux*)
	    pic_flag_for_symtable=" $pic_flag"  ;;
	  *)
	    if test "X$my_pic_p" != Xno; then
	      pic_flag_for_symtable=" $pic_flag"
	    fi
	    ;;
	  esac
	  ;;
	esac
	symtab_cflags=
	for arg in $LTCFLAGS; do
	  case $arg in
	  -pie | -fpie | -fPIE) ;;
	  *) symtab_cflags="$symtab_cflags $arg" ;;
	  esac
	done

	# Now compile the dynamic symbol file.
	func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?'

	# Clean up the generated files.
	func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"'

	# Transform the symbol file into the correct name.
	symfileobj="$output_objdir/${my_outputname}S.$objext"
	case $host in
	*cygwin* | *mingw* )
	  if test -f "$output_objdir/$my_outputname.def"; then
	    compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
	    finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"`
	  else
	    compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
	    finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
	  fi
	  ;;
	*)
	  compile_command=`$ECHO "X$compile_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
	  finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s%@SYMFILE@%$symfileobj%"`
	  ;;
	esac
	;;
      *)
	func_fatal_error "unknown suffix for \`$my_dlsyms'"
	;;
      esac
    else
      # We keep going just in case the user didn't refer to
      # lt_preloaded_symbols.  The linker will fail if global_symbol_pipe
      # really was required.

      # Nullify the symbol file.
      compile_command=`$ECHO "X$compile_command" | $Xsed -e "s% @SYMFILE@%%"`
      finalize_command=`$ECHO "X$finalize_command" | $Xsed -e "s% @SYMFILE@%%"`
    fi
}

# func_extract_an_archive dir oldlib
func_extract_an_archive ()
{
    $opt_debug
    f_ex_an_ar_dir="$1"; shift
    f_ex_an_ar_oldlib="$1"
    func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \$f_ex_an_ar_oldlib)" 'exit $?'
    if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then
     :
    else
      func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib"
    fi
}


# func_extract_archives gentop oldlib ...
func_extract_archives ()
{
    $opt_debug
    my_gentop="$1"; shift
    my_oldlibs=${1+"$@"}
    my_oldobjs=""
    my_xlib=""
    my_xabs=""
    my_xdir=""

    for my_xlib in $my_oldlibs; do
      # Extract the objects.
      case $my_xlib in
	[\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;;
	*) my_xabs=`pwd`"/$my_xlib" ;;
      esac
      func_basename "$my_xlib"
      my_xlib="$func_basename_result"
      my_xdir="$my_gentop/$my_xlib"

      func_mkdir_p "$my_xdir"

      case $host in
      *-darwin*)
	func_echo "Extracting $my_xabs"
	# Do not bother doing anything if just a dry run
	$opt_dry_run || {
	  darwin_orig_dir=`pwd`
	  cd $my_xdir || exit $?
	  darwin_archive=$my_xabs
	  darwin_curdir=`pwd`
	  darwin_base_archive=`basename $darwin_archive`
	  darwin_arches=`lipo -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true`
	  if test -n "$darwin_arches"; then
	    darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'`
	    darwin_arch=
	    func_echo "$darwin_base_archive has multiple architectures $darwin_arches"
	    for darwin_arch in  $darwin_arches ; do
	      func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}"
	      lipo -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}"
	      cd "unfat-$$/${darwin_base_archive}-${darwin_arch}"
	      func_extract_an_archive "`pwd`" "${darwin_base_archive}"
	      cd "$darwin_curdir"
	      $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}"
	    done # $darwin_arches
            ## Okay now we've a bunch of thin objects, gotta fatten them up :)
	    darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print| xargs basename | sort -u | $NL2SP`
	    darwin_file=
	    darwin_files=
	    for darwin_file in $darwin_filelist; do
	      darwin_files=`find unfat-$$ -name $darwin_file -print | $NL2SP`
	      lipo -create -output "$darwin_file" $darwin_files
	    done # $darwin_filelist
	    $RM -rf unfat-$$
	    cd "$darwin_orig_dir"
	  else
	    cd $darwin_orig_dir
	    func_extract_an_archive "$my_xdir" "$my_xabs"
	  fi # $darwin_arches
	} # !$opt_dry_run
	;;
      *)
        func_extract_an_archive "$my_xdir" "$my_xabs"
	;;
      esac
      my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | $NL2SP`
    done

    func_extract_archives_result="$my_oldobjs"
}


# func_mode_compile arg...
func_mode_compile ()
{
    $opt_debug
    # Get the compilation command and the source file.
    base_compile=
    srcfile="$nonopt"  #  always keep a non-empty value in "srcfile"
    suppress_opt=yes
    suppress_output=
    arg_mode=normal
    libobj=
    later=
    pie_flag=

    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 $arg in
	-o)
	  test -n "$libobj" && \
	    func_fatal_error "you cannot specify \`-o' more than once"
	  arg_mode=target
	  continue
	  ;;

	-pie | -fpie | -fPIE)
          pie_flag="$pie_flag $arg"
	  continue
	  ;;

	-shared | -static | -prefer-pic | -prefer-non-pic)
	  later="$later $arg"
	  continue
	  ;;

	-no-suppress)
	  suppress_opt=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,*)
	  func_stripname '-Wc,' '' "$arg"
	  args=$func_stripname_result
	  lastarg=
	  save_ifs="$IFS"; IFS=','
	  for arg in $args; do
	    IFS="$save_ifs"
	    func_quote_for_eval "$arg"
	    lastarg="$lastarg $func_quote_for_eval_result"
	  done
	  IFS="$save_ifs"
	  func_stripname ' ' '' "$lastarg"
	  lastarg=$func_stripname_result

	  # 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.
      func_quote_for_eval "$lastarg"
      base_compile="$base_compile $func_quote_for_eval_result"
    done # for arg

    case $arg_mode in
    arg)
      func_fatal_error "you must specify an argument for -Xcompile"
      ;;
    target)
      func_fatal_error "you must specify a target with \`-o'"
      ;;
    *)
      # Get the name of the library object.
      test -z "$libobj" && {
	func_basename "$srcfile"
	libobj="$func_basename_result"
      }
      ;;
    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

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

    case $libobj in
    *.lo) obj=`$ECHO "X$libobj" | $Xsed -e "$lo2o"` ;;
    *)
      func_fatal_error "cannot determine name of library object from \`$libobj'"
      ;;
    esac

    func_infer_tag $base_compile

    for arg in $later; do
      case $arg in
      -shared)
	test "$build_libtool_libs" != yes && \
	  func_fatal_configuration "can not build a shared library"
	build_old_libs=no
	continue
	;;

      -static)
	build_libtool_libs=no
	build_old_libs=yes
	continue
	;;

      -prefer-pic)
	pic_mode=yes
	continue
	;;

      -prefer-non-pic)
	pic_mode=no
	continue
	;;
      esac
    done

    func_quote_for_eval "$libobj"
    test "X$libobj" != "X$func_quote_for_eval_result" \
      && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' 	&()|`$[]' \
      && func_warning "libobj name \`$libobj' may not contain shell special characters."
    func_basename "$obj"
    objname="$func_basename_result"
    func_dirname "$obj" "/" ""
    xdir="$func_dirname_result"
    lobj=${xdir}$objdir/$objname

    test -z "$base_compile" && \
      func_fatal_help "you must specify a compilation command"

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

    $opt_dry_run || $RM $removelist
    trap "$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE" 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 $lockfile"
      trap "$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE" 1 2 15
    else
      output_obj=
      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 $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do
	func_echo "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."

	$opt_dry_run || $RM $removelist
	exit $EXIT_FAILURE
      fi
      $ECHO "$srcfile" > "$lockfile"
    fi

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

    $opt_dry_run || $RM "$libobj" "${libobj}T"

    # Create a libtool object file (analogous to a ".la" file),
    # but don't create it if we're doing a dry run.
    $opt_dry_run || cat > ${libobj}T <<EOF
# $libobj - a libtool object file
# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION
#
# Please DO NOT delete this file!
# It is necessary for linking the library.

# Name of the PIC object.
EOF

    # 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 "$pic_mode" != no; then
	command="$base_compile $qsrcfile $pic_flag"
      else
	# Don't build PIC code
	command="$base_compile $qsrcfile"
      fi

      func_mkdir_p "$xdir$objdir"

      if test -z "$output_obj"; then
	# Place PIC objects in $objdir