get 'libtool --tag CXX' to work

[Marc Espie <espie_(_at_)_nerim_(_dot_)_net>]

The preserve_args fragment was missing, thus the generated relink commands
were bogus.

Okay ?

Index: Makefile
===================================================================
RCS file: /cvs/ports/devel/libtool/Makefile,v
retrieving revision 1.44
diff -u -p -r1.44 Makefile
--- Makefile	2 Nov 2005 02:47:09 -0000	1.44
+++ Makefile	6 Dec 2005 19:01:26 -0000
@@ -6,7 +6,7 @@ COMMENT-ltdl=	"GNU libtool system indepe
 
 VERSION=	1.5.20
 DISTNAME=	libtool-${VERSION}
-PKGNAME=	${DISTNAME}p1
+PKGNAME=	${DISTNAME}p2
 PKGNAME-ltdl=	libltdl-${VERSION}p1
 CATEGORIES=	devel
 MASTER_SITES=	${MASTER_SITE_GNU:=libtool/}
Index: patches/patch-ltmain_in
===================================================================
RCS file: /cvs/ports/devel/libtool/patches/patch-ltmain_in,v
retrieving revision 1.13
diff -u -p -r1.13 patch-ltmain_in
--- patches/patch-ltmain_in	2 Nov 2005 02:47:09 -0000	1.13
+++ patches/patch-ltmain_in	6 Dec 2005 19:01:26 -0000
@@ -1,7 +1,18 @@
 $OpenBSD: patch-ltmain_in,v 1.13 2005/11/02 02:47:09 brad Exp $
---- ltmain.in.orig	Wed Aug 31 14:25:28 2005
-+++ ltmain.in	Tue Nov  1 15:13:43 2005
-@@ -1089,14 +1089,15 @@ EOF
+--- ltmain.in.orig	Wed Aug 31 20:25:28 2005
++++ ltmain.in	Tue Dec  6 19:57:56 2005
+@@ -468,7 +468,9 @@ do
+     preserve_args="$preserve_args $arg"
+     ;;
+ 
+-  --tag) prevopt="--tag" prev=tag ;;
++  --tag) prevopt="--tag" prev=tag
++    preserve_args="$preserve_args --tag"
++    ;;
+   --tag=*)
+     set tag "$optarg" ${1+"$@"}
+     shift
+@@ -1089,14 +1091,15 @@ EOF
  	  if test -n "$link_static_flag"; then
  	    dlopen_self=$dlopen_self_static
  	  fi
@@ -18,7 +29,7 @@ $OpenBSD: patch-ltmain_in,v 1.13 2005/11
  	break
  	;;
        esac
-@@ -1984,6 +1985,17 @@ EOF
+@@ -1984,6 +1987,17 @@ EOF
  	;;
      esac
      for pass in $passes; do
@@ -36,7 +47,7 @@ $OpenBSD: patch-ltmain_in,v 1.13 2005/11
        if test "$linkmode,$pass" = "lib,link" ||
  	 test "$linkmode,$pass" = "prog,scan"; then
  	libs="$deplibs"
-@@ -2245,20 +2257,20 @@ EOF
+@@ -2245,20 +2259,20 @@ EOF
  	    # 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"
@@ -67,7 +78,7 @@ $OpenBSD: patch-ltmain_in,v 1.13 2005/11
  	  continue
  	fi # $pass = conv
  
-@@ -2445,8 +2457,12 @@ EOF
+@@ -2445,8 +2459,12 @@ EOF
  	fi
  
  	link_static=no # Whether the deplib will be linked statically
@@ -81,7 +92,7 @@ $OpenBSD: patch-ltmain_in,v 1.13 2005/11
  	  if test "$installed" = no; then
  	    notinst_deplibs="$notinst_deplibs $lib"
  	    need_relink=yes
-@@ -2644,7 +2660,7 @@ EOF
+@@ -2644,7 +2662,7 @@ EOF
  	    add_dir=
  	    add=
  	    # Finalize command for both is simple: just hardcode it.
@@ -90,7 +101,7 @@ $OpenBSD: patch-ltmain_in,v 1.13 2005/11
  	      add="$libdir/$linklib"
  	    elif test "$hardcode_minus_L" = yes; then
  	      add_dir="-L$libdir"
-@@ -5932,40 +5948,6 @@ relink_command=\"$relink_command\""
+@@ -5932,40 +5950,6 @@ relink_command=\"$relink_command\""
      # Exit here if they wanted silent mode.
      test "$show" = : && exit $EXIT_SUCCESS