ltmain.sh

在Linux下实现magnification功能

      eval shlib_search_path=\`\$echo \"X\${$shlibpath_var}\" \| \$Xsed -e \'s/:/ /g\'\`
    else
      shlib_search_path=
    fi
    eval sys_lib_search_path=\"$sys_lib_search_path_spec\"
    eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\"

    output_objdir=`$echo "X$output" | $Xsed -e 's%/[^/]*$%%'`
    if test "X$output_objdir" = "X$output"; then
      output_objdir="$objdir"
    else
      output_objdir="$output_objdir/$objdir"
    fi
    # Create the object directory.
    if test ! -d "$output_objdir"; then
      $show "$mkdir $output_objdir"
      $run $mkdir $output_objdir
      exit_status=$?
      if test "$exit_status" -ne 0 && test ! -d "$output_objdir"; then
	exit $exit_status
      fi
    fi

    # Determine the type of output
    case $output in
    "")
      $echo "$modename: you must specify an output file" 1>&2
      $echo "$help" 1>&2
      exit $EXIT_FAILURE
      ;;
    *.$libext) linkmode=oldlib ;;
    *.lo | *.$objext) linkmode=obj ;;
    *.la) linkmode=lib ;;
    *) linkmode=prog ;; # Anything else should be a program.
    esac

    case $host in
    *cygwin* | *mingw* | *pw32*)
      # don't eliminate duplications in $postdeps and $predeps
      duplicate_compiler_generated_deps=yes
      ;;
    *)
      duplicate_compiler_generated_deps=$duplicate_deps
      ;;
    esac
    specialdeplibs=

    libs=
    # Find all interdependent deplibs by searching for libraries
    # that are linked more than once (e.g. -la -lb -la)
    for deplib in $deplibs; do
      if test "X$duplicate_deps" = "Xyes" ; then
	case "$libs " in
	*" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
	esac
      fi
      libs="$libs $deplib"
    done

    if test "$linkmode" = lib; then
      libs="$predeps $libs $compiler_lib_search_path $postdeps"

      # Compute libraries that are listed more than once in $predeps
      # $postdeps and mark them as special (i.e., whose duplicates are
      # not to be eliminated).
      pre_post_deps=
      if test "X$duplicate_compiler_generated_deps" = "Xyes" ; then
	for pre_post_dep in $predeps $postdeps; do
	  case "$pre_post_deps " in
	  *" $pre_post_dep "*) specialdeplibs="$specialdeplibs $pre_post_deps" ;;
	  esac
	  pre_post_deps="$pre_post_deps $pre_post_dep"
	done
      fi
      pre_post_deps=
    fi

    deplibs=
    newdependency_libs=
    newlib_search_path=
    need_relink=no # whether we're linking any uninstalled libtool libraries
    notinst_deplibs= # not-installed libtool libraries
    case $linkmode in
    lib)
	passes="conv link"
	for file in $dlfiles $dlprefiles; do
	  case $file in
	  *.la) ;;
	  *)
	    $echo "$modename: libraries can \`-dlopen' only libtool libraries: $file" 1>&2
	    exit $EXIT_FAILURE
	    ;;
	  esac
	done
	;;
    prog)
	compile_deplibs=
	finalize_deplibs=
	alldeplibs=no
	newdlfiles=
	newdlprefiles=
	passes="conv scan dlopen dlpreopen link"
	;;
    *)  passes="conv"
	;;
    esac
    for pass in $passes; do
      if test "$linkmode,$pass" = "lib,link" ||
	 test "$linkmode,$pass" = "prog,scan"; then
	libs="$deplibs"
	deplibs=
      fi
      if test "$linkmode" = prog; then
	case $pass in
	dlopen) libs="$dlfiles" ;;
	dlpreopen) libs="$dlprefiles" ;;
	link) libs="$deplibs %DEPLIBS% $dependency_libs" ;;
	esac
      fi
      if test "$pass" = dlopen; then
	# Collect dlpreopened libraries
	save_deplibs="$deplibs"
	deplibs=
      fi
      for deplib in $libs; do
	lib=
	found=no
	case $deplib in
	-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe)
	  if test "$linkmode,$pass" = "prog,link"; then
	    compile_deplibs="$deplib $compile_deplibs"
	    finalize_deplibs="$deplib $finalize_deplibs"
	  else
	    compiler_flags="$compiler_flags $deplib"
	  fi
	  continue
	  ;;
	-l*)
	  if test "$linkmode" != lib && test "$linkmode" != prog; then
	    $echo "$modename: warning: \`-l' is ignored for archives/objects" 1>&2
	    continue
	  fi
	  name=`$echo "X$deplib" | $Xsed -e 's/^-l//'`
	  for searchdir in $newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path; do
	    for search_ext in .la $std_shrext .so .a; do
	      # Search the libtool library
	      lib="$searchdir/lib${name}${search_ext}"
	      if test -f "$lib"; then
		if test "$search_ext" = ".la"; then
		  found=yes
		else
		  found=no
		fi
		break 2
	      fi
	    done
	  done
	  if test "$found" != yes; then
	    # deplib doesn't seem to be a libtool library
	    if test "$linkmode,$pass" = "prog,link"; then
	      compile_deplibs="$deplib $compile_deplibs"
	      finalize_deplibs="$deplib $finalize_deplibs"
	    else
	      deplibs="$deplib $deplibs"
	      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
	    fi
	    continue
	  else # deplib is a libtool library
	    # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib,
	    # We need to do some special things here, and not later.
	    if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then
	      case " $predeps $postdeps " in
	      *" $deplib "*)
		if (${SED} -e '2q' $lib |
                    grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then
		  library_names=
		  old_library=
		  case $lib in
		  */* | *\\*) . $lib ;;
		  *) . ./$lib ;;
		  esac
		  for l in $old_library $library_names; do
		    ll="$l"
		  done
		  if test "X$ll" = "X$old_library" ; then # only static version available
		    found=no
		    ladir=`$echo "X$lib" | $Xsed -e 's%/[^/]*$%%'`
		    test "X$ladir" = "X$lib" && ladir="."
		    lib=$ladir/$old_library
		    if test "$linkmode,$pass" = "prog,link"; then
		      compile_deplibs="$deplib $compile_deplibs"
		      finalize_deplibs="$deplib $finalize_deplibs"
		    else
		      deplibs="$deplib $deplibs"
		      test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs"
		    fi
		    continue
		  fi
		fi
	        ;;
	      *) ;;
	      esac
	    fi
	  fi
	  ;; # -l
	-L*)
	  case $linkmode in
	  lib)
	    deplibs="$deplib $deplibs"
	    test "$pass" = conv && continue
	    newdependency_libs="$deplib $newdependency_libs"
	    newlib_search_path="$newlib_search_path "`$echo "X$deplib" | $Xsed -e 's/^-L//'`
	    ;;
	  prog)
	    if test "$pass" = conv; then
	      deplibs="$deplib $deplibs"
	      continue
	    fi
	    if test "$pass" = scan; then
	      deplibs="$deplib $deplibs"
	    else
	      compile_deplibs="$deplib $compile_deplibs"
	      finalize_deplibs="$deplib $finalize_deplibs"
	    fi
	    newlib_search_path="$newlib_search_path "`$echo "X$deplib" | $Xsed -e 's/^-L//'`
	    ;;
	  *)
	    $echo "$modename: warning: \`-L' is ignored for archives/objects" 1>&2
	    ;;
	  esac # linkmode
	  continue
	  ;; # -L
	-R*)
	  if test "$pass" = link; then
	    dir=`$echo "X$deplib" | $Xsed -e 's/^-R//'`
	    # Make sure the xrpath contains only unique directories.
	    case "$xrpath " in
	    *" $dir "*) ;;
	    *) xrpath="$xrpath $dir" ;;
	    esac
	  fi
	  deplibs="$deplib $deplibs"
	  continue
	  ;;
	*.la) lib="$deplib" ;;
	*.$libext)
	  if test "$pass" = conv; then
	    deplibs="$deplib $deplibs"
	    continue
	  fi
	  case $linkmode in
	  lib)
	    valid_a_lib=no
	    case $deplibs_check_method in
	      match_pattern*)
		set dummy $deplibs_check_method
	        match_pattern_regex=`expr "$deplibs_check_method" : "$2 \(.*\)"`
		if eval $echo \"$deplib\" 2>/dev/null \
		    | $SED 10q \
		    | $EGREP "$match_pattern_regex" > /dev/null; then
		  valid_a_lib=yes
		fi
		;;
	      pass_all)
		valid_a_lib=yes
		;;
            esac
	    if test "$valid_a_lib" != yes; then
	      $echo
	      $echo "*** Warning: Trying to link with static lib archive $deplib."
	      $echo "*** I have the capability to make that library automatically link in when"
	      $echo "*** you link to this library.  But I can only do this if you have a"
	      $echo "*** shared version of the library, which you do not appear to have"
	      $echo "*** because the file extensions .$libext of this argument makes me believe"
	      $echo "*** that it is just a static archive that I should not used here."
	    else
	      $echo
	      $echo "*** Warning: Linking the shared library $output against the"
	      $echo "*** static library $deplib is not portable!"
	      deplibs="$deplib $deplibs"
	    fi
	    continue
	    ;;
	  prog)
	    if test "$pass" != link; then
	      deplibs="$deplib $deplibs"
	    else
	      compile_deplibs="$deplib $compile_deplibs"
	      finalize_deplibs="$deplib $finalize_deplibs"
	    fi
	    continue
	    ;;
	  esac # linkmode
	  ;; # *.$libext
	*.lo | *.$objext)
	  if test "$pass" = conv; then
	    deplibs="$deplib $deplibs"
	  elif test "$linkmode" = prog; then
	    if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then
	      # If there is no dlopen support or we're linking statically,
	      # we need to preload.
	      newdlprefiles="$newdlprefiles $deplib"
	      compile_deplibs="$deplib $compile_deplibs"
	      finalize_deplibs="$deplib $finalize_deplibs"
	    else
	      newdlfiles="$newdlfiles $deplib"
	    fi
	  fi
	  continue
	  ;;
	%DEPLIBS%)
	  alldeplibs=yes
	  continue
	  ;;
	esac # case $deplib
	if test "$found" = yes || test -f "$lib"; then :
	else
	  $echo "$modename: cannot find the library \`$lib' or unhandled argument \`$deplib'" 1>&2
	  exit $EXIT_FAILURE
	fi

	# Check to see that this really is a libtool archive.
	if (${SED} -e '2q' $lib | grep "^# Generated by .*$PACKAGE") >/dev/null 2>&1; then :
	else
	  $echo "$modename: \`$lib' is not a valid libtool archive" 1>&2
	  exit $EXIT_FAILURE
	fi

	ladir=`$echo "X$lib" | $Xsed -e 's%/[^/]*$%%'`
	test "X$ladir" = "X$lib" && ladir="."

	dlname=
	dlopen=
	dlpreopen=
	libdir=
	library_names=
	old_library=
	# If the library was installed with an old release of libtool,
	# it will not redefine variables installed, or shouldnotlink
	installed=yes
	shouldnotlink=no
	avoidtemprpath=


	# Read the .la file
	case $lib in
	*/* | *\\*) . $lib ;;
	*) . ./$lib ;;
	esac

	if test "$linkmode,$pass" = "lib,link" ||
	   test "$linkmode,$pass" = "prog,scan" ||
	   { test "$linkmode" != prog && test "$linkmode" != lib; }; then
	  test -n "$dlopen" && dlfiles="$dlfiles $dlopen"
	  test -n "$dlpreopen" && dlprefiles="$dlprefiles $dlpreopen"
	fi

	if test "$pass" = conv; then
	  # Only check for convenience libraries
	  deplibs="$lib $deplibs"
	  if test -z "$libdir"; then
	    if test -z "$old_library"; then
	      $echo "$modename: cannot find name of link library for \`$lib'" 1>&2
	      exit $EXIT_FAILURE
	    fi
	    # It is a libtool convenience library, so add in its objects.
	    convenience="$convenience $ladir/$objdir/$old_library"
	    old_convenience="$old_convenience $ladir/$objdir/$old_library"
	    tmp_libs=
	    for deplib in $dependency_libs; do
	      deplibs="$deplib $deplibs"
              if test "X$duplicate_deps" = "Xyes" ; then
	        case "$tmp_libs " in
	        *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;;
	        esac
              fi
	      tmp_libs="$tmp_libs $deplib"
	    done
	  elif test "$linkmode" != prog && test "$linkmode" != lib; then
	    $echo "$modename: \`$lib' is not a convenience library" 1>&2
	    exit $EXIT_FAILURE
	  fi
	  continue
	fi # $pass = conv


	# Get the name of the library we link against.
	linklib=
	for l in $old_library $library_names; do
	  linklib="$l"
	done
	if test -z "$linklib"; then
	  $echo "$modename: cannot find name of link library for \`$lib'" 1>&2
	  exit $EXIT_FAILURE
	fi

	# This library was specified with -dlopen.
	if test "$pass" = dlopen; then
	  if test -z "$libdir"; then
	    $echo "$modename: cannot -dlopen a convenience library: \`$lib'" 1>&2
	    exit $EXIT_FAILURE
	  fi
	  if test -z "$dlname" ||
	     test "$dlopen_support" != yes ||
	     test "$build_libtool_libs" = no; then
	    # If there is no dlname, no dlopen support or we're linking
	    # statically, we need to preload.  We also need to preload any
	    # dependent libraries so libltdl's deplib preloader doesn't
	    # bomb out in the load deplibs phase.
	    dlprefiles="$dlprefiles $lib $dependency_libs"
	  else
	    newdlfiles="$newdlfiles $lib"
	  fi
	  continue
	fi # $pass = dlopen

	# We need an absolute path.
	case $ladir in
	[\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;;
	*)
	  abs_ladir=`cd "$ladir" && pwd`
	  if test -z "$abs_ladir"; then
	    $echo "$modename: warning: cannot determine absolute directory name of \`$ladir'" 1>&2
	    $echo "$modename: passing it literally to the linker, although it might fail" 1>&2
	    abs_ladir="$ladir"
	  fi
	  ;;
	esac
	laname=`$echo "X$lib" | $Xsed -e 's%^.*/%%'`

	# Find the relevant object directory and library name.
	if test "X$installed" = Xyes; then
	  if test ! -f "$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then
	    $echo "$modename: warning: library \`$lib' was moved." 1>&2
	    dir="$ladir"
	    absdir="$abs_ladir"
	    libdir="$abs_ladir"
	  else
	    dir="$libdir"
	    absdir="$libdir"
	  fi
	  test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes
	else
	  if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then
	    dir="$ladir"
	    absdir="$abs_ladir"
	    # Remove this search path later
	    notinst_path="$notinst_path $abs_ladir"
	  else
	    dir="$ladir/$objdir"
	    absdir="$abs_ladir/$objdir"
	    # Remove this search path later
	    notinst_path="$notinst_path $abs_ladir"
	  fi
	fi # $installed = yes
	name=`$echo "X$laname" | $Xsed -e 's/\.la$//' -e 's/^lib//'`

	# This library was specified with -dlpreopen.
	if test "$pass" = dlpreopen; then
	  if test -z "$libdir"; then
	    $echo "$modename: cannot -dlpreopen a convenience library: \`$lib'" 1>&2
	    exit $EXIT_FAILURE
	  fi
	  # Prefer using a static library (so that no silly _DYNAMIC symbols
	  # are required to link).
	  if test -n "$old_library"; then
	    newdlprefiles="$newdlprefiles $dir/$old_library"
	  # Otherwise, use the dlname, so that lt_dlopen finds it.
	  elif test -n "$dlname"; then
	    newdlprefiles="$newdlprefiles $dir/$dlname"
	  else
	    newdlprefiles="$newdlprefiles $dir/$linklib"
	  fi
	fi # $pass = dlpreopen

	if test -z "$libdir"; then
	  # Link the convenience library
	  if test "$linkmode" = lib; then
	    deplibs="$dir/$old_library $deplibs"
	  elif test "$linkmode,$pass" = "prog,link"; then
	    compile_deplibs="$dir/$old_library $compile_deplibs"
	    finalize_deplibs="$dir/$old_library $finalize_deplibs"
	  else
	    deplibs="$lib $deplibs" # used for prog,scan pass
	  fi
	  continue
	fi


	if test "$linkmode" = prog && test "$pass" != link; then
	  newlib_search_path="$newlib_search_path $ladir"
	  deplibs="$lib